Merge branch 'next' into for-linus

Prepare first set of updates for 3.10 merge window.

100 files changed, 4898 insertions, 657 deletions

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 19c03ab2bdc..79fbe3832df 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -20,14 +20,24 @@ if RTC_CLASS
 config RTC_HCTOSYS
 	bool "Set system time from RTC on startup and resume"
 	default y
+	depends on !ALWAYS_USE_PERSISTENT_CLOCK
 	help
 	  If you say yes here, the system time (wall clock) will be set using
 	  the value read from a specified RTC device. This is useful to avoid
 	  unnecessary fsck runs at boot time, and to network better.
 
+config RTC_SYSTOHC
+	bool "Set the RTC time based on NTP synchronization"
+	default y
+	depends on !ALWAYS_USE_PERSISTENT_CLOCK
+	help
+	  If you say yes here, the system time (wall clock) will be stored
+	  in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
+	  minutes if userspace reports synchronized NTP status.
+
 config RTC_HCTOSYS_DEVICE
 	string "RTC used to set the system time"
-	depends on RTC_HCTOSYS = y
+	depends on RTC_HCTOSYS = y || RTC_SYSTOHC = y
 	default "rtc0"
 	help
 	  The RTC device that will be used to (re)initialize the system
@@ -194,6 +204,12 @@ config RTC_DRV_DS3232
 	  This driver can also be built as a module.  If so, the module
 	  will be called rtc-ds3232.
 
+config RTC_DRV_LP8788
+	tristate "TI LP8788 RTC driver"
+	depends on MFD_LP8788
+	help
+	  Say Y to enable support for the LP8788 RTC/ALARM driver.
+
 config RTC_DRV_MAX6900
 	tristate "Maxim MAX6900"
 	help
@@ -233,6 +249,26 @@ config RTC_DRV_MAX8998
 	  This driver can also be built as a module. If so, the module
 	  will be called rtc-max8998.
 
+config RTC_DRV_MAX8997
+	tristate "Maxim MAX8997"
+	depends on MFD_MAX8997
+	help
+	  If you say yes here you will get support for the
+	  RTC of Maxim MAX8997 PMIC.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called rtc-max8997.
+
+config RTC_DRV_MAX77686
+	tristate "Maxim MAX77686"
+	depends on MFD_MAX77686
+	help
+	  If you say yes here you will get support for the
+	  RTC of Maxim MAX77686 PMIC.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called rtc-max77686.
+
 config RTC_DRV_RS5C372
 	tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
 	help
@@ -269,6 +305,25 @@ config RTC_DRV_X1205
 	  This driver can also be built as a module. If so, the module
 	  will be called rtc-x1205.
 
+config RTC_DRV_PALMAS
+	tristate "TI Palmas RTC driver"
+	depends on MFD_PALMAS
+	help
+	  If you say yes here you get support for the RTC of TI PALMA series PMIC
+	  chips.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called rtc-palma.
+
+config RTC_DRV_PCF8523
+	tristate "NXP PCF8523"
+	help
+	  If you say yes here you get support for the NXP PCF8523 RTC
+	  chips.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called rtc-pcf8523.
+
 config RTC_DRV_PCF8563
 	tristate "Philips PCF8563/Epson RTC8564"
 	help
@@ -343,6 +398,14 @@ config RTC_DRV_TWL4030
 	  This driver can also be built as a module. If so, the module
 	  will be called rtc-twl.
 
+config RTC_DRV_TPS6586X
+	tristate "TI TPS6586X RTC driver"
+	depends on MFD_TPS6586X
+	help
+	  TI Power Managment IC TPS6586X supports RTC functionality
+	  along with alarm. This driver supports the RTC driver for
+	  the TPS6586X RTC module.
+
 config RTC_DRV_TPS65910
 	tristate "TI TPS65910 RTC driver"
 	depends on RTC_CLASS && MFD_TPS65910
@@ -353,6 +416,14 @@ config RTC_DRV_TPS65910
 	  This driver can also be built as a module. If so, the module
 	  will be called rtc-tps65910.
 
+config RTC_DRV_TPS80031
+	tristate "TI TPS80031/TPS80032 RTC driver"
+	depends on MFD_TPS80031
+	help
+	  TI Power Managment IC TPS80031 supports RTC functionality
+	  along with alarm. This driver supports the RTC driver for
+	  the TPS80031 RTC module.
+
 config RTC_DRV_RC5T583
 	tristate "RICOH 5T583 RTC driver"
 	depends on MFD_RC5T583
@@ -510,6 +581,14 @@ config RTC_DRV_PCF2123
 	  This driver can also be built as a module. If so, the module
 	  will be called rtc-pcf2123.
 
+config RTC_DRV_RX4581
+	tristate "Epson RX-4581"
+	help
+	  If you say yes here you will get support for the Epson RX-4581.
+
+	  This driver can also be built as a module. If so the module
+	  will be called rtc-rx4581.
+
 endif # SPI_MASTER
 
 comment "Platform RTC drivers"
@@ -600,6 +679,16 @@ config RTC_DRV_DA9052
 	  Say y here to support the RTC driver for Dialog Semiconductor
 	  DA9052-BC and DA9053-AA/Bx PMICs.
 
+config RTC_DRV_DA9055
+	tristate "Dialog Semiconductor DA9055 RTC"
+	depends on MFD_DA9055
+	help
+	  If you say yes here you will get support for the
+	  RTC of the Dialog DA9055 PMIC.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called rtc-da9055
+
 config RTC_DRV_EFI
 	tristate "EFI RTC"
 	depends on IA64
@@ -768,7 +857,7 @@ config RTC_DRV_DAVINCI
 
 config RTC_DRV_IMXDI
 	tristate "Freescale IMX DryIce Real Time Clock"
-	depends on SOC_IMX25
+	depends on ARCH_MXC
 	help
 	   Support for Freescale IMX DryIce RTC
 
@@ -777,11 +866,13 @@ config RTC_DRV_IMXDI
 
 config RTC_DRV_OMAP
 	tristate "TI OMAP1"
-	depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX
+	depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX || SOC_AM33XX
 	help
-	  Say "yes" here to support the real time clock on TI OMAP1 and
-	  DA8xx/OMAP-L13x chips.  This driver can also be built as a
-	  module called rtc-omap.
+	  Say "yes" here to support the on chip real time clock
+	  present on TI OMAP1, AM33xx and DA8xx/OMAP-L13x.
+
+	  This driver can also be built as a module, if so, module
+	  will be called rtc-omap.
 
 config HAVE_S3C_RTC
 	bool
@@ -994,7 +1085,7 @@ config RTC_DRV_TX4939
 
 config RTC_DRV_MV
 	tristate "Marvell SoC RTC"
-	depends on ARCH_KIRKWOOD || ARCH_DOVE
+	depends on ARCH_KIRKWOOD || ARCH_DOVE || ARCH_MVEBU
 	help
 	  If you say yes here you will get support for the in-chip RTC
 	  that can be found in some of Marvell's SoC devices, such as
@@ -1144,4 +1235,20 @@ config RTC_DRV_SNVS
 	   This driver can also be built as a module, if so, the module
 	   will be called "rtc-snvs".
 
+comment "HID Sensor RTC drivers"
+
+config RTC_DRV_HID_SENSOR_TIME
+	tristate "HID Sensor Time"
+	depends on USB_HID
+	select IIO
+	select HID_SENSOR_HUB
+	select HID_SENSOR_IIO_COMMON
+	help
+	  Say yes here to build support for the HID Sensors of type Time.
+	  This drivers makes such sensors available as RTCs.
+
+	  If this driver is compiled as a module, it will be named
+	  rtc-hid-sensor-time.
+
+
 endif # RTC_CLASS
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 56297f0fd38..c33f86f1a69 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -6,6 +6,7 @@ ccflags-$(CONFIG_RTC_DEBUG)	:= -DDEBUG
 
 obj-$(CONFIG_RTC_LIB)		+= rtc-lib.o
 obj-$(CONFIG_RTC_HCTOSYS)	+= hctosys.o
+obj-$(CONFIG_RTC_SYSTOHC)	+= systohc.o
 obj-$(CONFIG_RTC_CLASS)		+= rtc-core.o
 rtc-core-y			:= class.o interface.o
 
@@ -29,6 +30,7 @@ obj-$(CONFIG_RTC_DRV_BQ4802)	+= rtc-bq4802.o
 obj-$(CONFIG_RTC_DRV_CMOS)	+= rtc-cmos.o
 obj-$(CONFIG_RTC_DRV_COH901331)	+= rtc-coh901331.o
 obj-$(CONFIG_RTC_DRV_DA9052)	+= rtc-da9052.o
+obj-$(CONFIG_RTC_DRV_DA9055)	+= rtc-da9055.o
 obj-$(CONFIG_RTC_DRV_DAVINCI)	+= rtc-davinci.o
 obj-$(CONFIG_RTC_DRV_DM355EVM)	+= rtc-dm355evm.o
 obj-$(CONFIG_RTC_DRV_VRTC)	+= rtc-mrst.o
@@ -51,10 +53,12 @@ obj-$(CONFIG_RTC_DRV_EM3027)	+= rtc-em3027.o
 obj-$(CONFIG_RTC_DRV_EP93XX)	+= rtc-ep93xx.o
 obj-$(CONFIG_RTC_DRV_FM3130)	+= rtc-fm3130.o
 obj-$(CONFIG_RTC_DRV_GENERIC)	+= rtc-generic.o
+obj-$(CONFIG_RTC_DRV_HID_SENSOR_TIME) += rtc-hid-sensor-time.o
 obj-$(CONFIG_RTC_DRV_IMXDI)	+= rtc-imxdi.o
 obj-$(CONFIG_RTC_DRV_ISL1208)	+= rtc-isl1208.o
 obj-$(CONFIG_RTC_DRV_ISL12022)	+= rtc-isl12022.o
 obj-$(CONFIG_RTC_DRV_JZ4740)	+= rtc-jz4740.o
+obj-$(CONFIG_RTC_DRV_LP8788)	+= rtc-lp8788.o
 obj-$(CONFIG_RTC_DRV_LPC32XX)	+= rtc-lpc32xx.o
 obj-$(CONFIG_RTC_DRV_LOONGSON1)	+= rtc-ls1x.o
 obj-$(CONFIG_RTC_DRV_M41T80)	+= rtc-m41t80.o
@@ -68,14 +72,18 @@ obj-$(CONFIG_RTC_DRV_MAX6900)	+= rtc-max6900.o
 obj-$(CONFIG_RTC_DRV_MAX8907)	+= rtc-max8907.o
 obj-$(CONFIG_RTC_DRV_MAX8925)	+= rtc-max8925.o
 obj-$(CONFIG_RTC_DRV_MAX8998)	+= rtc-max8998.o
+obj-$(CONFIG_RTC_DRV_MAX8997)	+= rtc-max8997.o
 obj-$(CONFIG_RTC_DRV_MAX6902)	+= rtc-max6902.o
+obj-$(CONFIG_RTC_DRV_MAX77686)	+= rtc-max77686.o
 obj-$(CONFIG_RTC_DRV_MC13XXX)	+= rtc-mc13xxx.o
 obj-$(CONFIG_RTC_DRV_MSM6242)	+= rtc-msm6242.o
 obj-$(CONFIG_RTC_DRV_MPC5121)	+= rtc-mpc5121.o
 obj-$(CONFIG_RTC_DRV_MV)	+= rtc-mv.o
 obj-$(CONFIG_RTC_DRV_NUC900)	+= rtc-nuc900.o
 obj-$(CONFIG_RTC_DRV_OMAP)	+= rtc-omap.o
+obj-$(CONFIG_RTC_DRV_PALMAS)	+= rtc-palmas.o
 obj-$(CONFIG_RTC_DRV_PCAP)	+= rtc-pcap.o
+obj-$(CONFIG_RTC_DRV_PCF8523)	+= rtc-pcf8523.o
 obj-$(CONFIG_RTC_DRV_PCF8563)	+= rtc-pcf8563.o
 obj-$(CONFIG_RTC_DRV_PCF8583)	+= rtc-pcf8583.o
 obj-$(CONFIG_RTC_DRV_PCF2123)	+= rtc-pcf2123.o
@@ -93,6 +101,7 @@ obj-$(CONFIG_RTC_DRV_RS5C313)	+= rtc-rs5c313.o
 obj-$(CONFIG_RTC_DRV_RS5C348)	+= rtc-rs5c348.o
 obj-$(CONFIG_RTC_DRV_RS5C372)	+= rtc-rs5c372.o
 obj-$(CONFIG_RTC_DRV_RV3029C2)	+= rtc-rv3029c2.o
+obj-$(CONFIG_RTC_DRV_RX4581)	+= rtc-rx4581.o
 obj-$(CONFIG_RTC_DRV_RX8025)	+= rtc-rx8025.o
 obj-$(CONFIG_RTC_DRV_RX8581)	+= rtc-rx8581.o
 obj-$(CONFIG_RTC_DRV_S35390A)	+= rtc-s35390a.o
@@ -109,7 +118,9 @@ obj-$(CONFIG_RTC_DRV_TEGRA)	+= rtc-tegra.o
 obj-$(CONFIG_RTC_DRV_TEST)	+= rtc-test.o
 obj-$(CONFIG_RTC_DRV_TILE)	+= rtc-tile.o
 obj-$(CONFIG_RTC_DRV_TWL4030)	+= rtc-twl.o
+obj-$(CONFIG_RTC_DRV_TPS6586X)	+= rtc-tps6586x.o
 obj-$(CONFIG_RTC_DRV_TPS65910)	+= rtc-tps65910.o
+obj-$(CONFIG_RTC_DRV_TPS80031)	+= rtc-tps80031.o
 obj-$(CONFIG_RTC_DRV_TX4939)	+= rtc-tx4939.o
 obj-$(CONFIG_RTC_DRV_V3020)	+= rtc-v3020.o
 obj-$(CONFIG_RTC_DRV_VR41XX)	+= rtc-vr41xx.o
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index f8a0aab218c..9b742d3ffb9 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -11,6 +11,8 @@
  * published by the Free Software Foundation.
 */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/rtc.h>
 #include <linux/kdev_t.h>
@@ -50,6 +52,10 @@ static int rtc_suspend(struct device *dev, pm_message_t mesg)
 	struct rtc_device	*rtc = to_rtc_device(dev);
 	struct rtc_time		tm;
 	struct timespec		delta, delta_delta;
+
+	if (has_persistent_clock())
+		return 0;
+
 	if (strcmp(dev_name(&rtc->dev), CONFIG_RTC_HCTOSYS_DEVICE) != 0)
 		return 0;
 
@@ -88,6 +94,9 @@ static int rtc_resume(struct device *dev)
 	struct timespec		new_system, new_rtc;
 	struct timespec		sleep_time;
 
+	if (has_persistent_clock())
+		return 0;
+
 	rtc_hctosys_ret = -ENODEV;
 	if (strcmp(dev_name(&rtc->dev), CONFIG_RTC_HCTOSYS_DEVICE) != 0)
 		return 0;
@@ -244,7 +253,6 @@ void rtc_device_unregister(struct rtc_device *rtc)
 		rtc_proc_del_device(rtc);
 		device_unregister(&rtc->dev);
 		rtc->ops = NULL;
-		ida_simple_remove(&rtc_ida, rtc->id);
 		mutex_unlock(&rtc->ops_lock);
 		put_device(&rtc->dev);
 	}
@@ -255,7 +263,7 @@ static int __init rtc_init(void)
 {
 	rtc_class = class_create(THIS_MODULE, "rtc");
 	if (IS_ERR(rtc_class)) {
-		printk(KERN_ERR "%s: couldn't create class\n", __FILE__);
+		pr_err("couldn't create class\n");
 		return PTR_ERR(rtc_class);
 	}
 	rtc_class->suspend = rtc_suspend;
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 9592b936b71..42bd57da239 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -587,16 +587,16 @@ void rtc_update_irq(struct rtc_device *rtc,
 }
 EXPORT_SYMBOL_GPL(rtc_update_irq);
 
-static int __rtc_match(struct device *dev, void *data)
+static int __rtc_match(struct device *dev, const void *data)
 {
-	char *name = (char *)data;
+	const char *name = data;
 
 	if (strcmp(dev_name(dev), name) == 0)
 		return 1;
 	return 0;
 }
 
-struct rtc_device *rtc_class_open(char *name)
+struct rtc_device *rtc_class_open(const char *name)
 {
 	struct device *dev;
 	struct rtc_device *rtc = NULL;
diff --git a/drivers/rtc/rtc-88pm80x.c b/drivers/rtc/rtc-88pm80x.c
index 6367984e056..63b17ebe90e 100644
--- a/drivers/rtc/rtc-88pm80x.c
+++ b/drivers/rtc/rtc-88pm80x.c
@@ -248,7 +248,7 @@ static int pm80x_rtc_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(pm80x_rtc_pm_ops, pm80x_rtc_suspend, pm80x_rtc_resume);
 
-static int __devinit pm80x_rtc_probe(struct platform_device *pdev)
+static int pm80x_rtc_probe(struct platform_device *pdev)
 {
 	struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent);
 	struct pm80x_platform_data *pm80x_pdata;
@@ -342,7 +342,7 @@ out:
 	return ret;
 }
 
-static int __devexit pm80x_rtc_remove(struct platform_device *pdev)
+static int pm80x_rtc_remove(struct platform_device *pdev)
 {
 	struct pm80x_rtc_info *info = platform_get_drvdata(pdev);
 	platform_set_drvdata(pdev, NULL);
@@ -358,7 +358,7 @@ static struct platform_driver pm80x_rtc_driver = {
 		   .pm = &pm80x_rtc_pm_ops,
 		   },
 	.probe = pm80x_rtc_probe,
-	.remove = __devexit_p(pm80x_rtc_remove),
+	.remove = pm80x_rtc_remove,
 };
 
 module_platform_driver(pm80x_rtc_driver);
diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c
index de9e854b326..f663746f460 100644
--- a/drivers/rtc/rtc-88pm860x.c
+++ b/drivers/rtc/rtc-88pm860x.c
@@ -286,8 +286,8 @@ out:
 #endif
 
 #ifdef CONFIG_OF
-static int __devinit pm860x_rtc_dt_init(struct platform_device *pdev,
-					struct pm860x_rtc_info *info)
+static int pm860x_rtc_dt_init(struct platform_device *pdev,
+			      struct pm860x_rtc_info *info)
 {
 	struct device_node *np = pdev->dev.parent->of_node;
 	int ret;
@@ -307,7 +307,7 @@ static int __devinit pm860x_rtc_dt_init(struct platform_device *pdev,
 #define pm860x_rtc_dt_init(x, y)	(-1)
 #endif
 
-static int __devinit pm860x_rtc_probe(struct platform_device *pdev)
+static int pm860x_rtc_probe(struct platform_device *pdev)
 {
 	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
 	struct pm860x_rtc_pdata *pdata = NULL;
@@ -412,7 +412,7 @@ out:
 	return ret;
 }
 
-static int __devexit pm860x_rtc_remove(struct platform_device *pdev)
+static int pm860x_rtc_remove(struct platform_device *pdev)
 {
 	struct pm860x_rtc_info *info = platform_get_drvdata(pdev);
 
@@ -459,7 +459,7 @@ static struct platform_driver pm860x_rtc_driver = {
 		.pm	= &pm860x_rtc_pm_ops,
 	},
 	.probe		= pm860x_rtc_probe,
-	.remove		= __devexit_p(pm860x_rtc_remove),
+	.remove		= pm860x_rtc_remove,
 };
 
 module_platform_driver(pm860x_rtc_driver);
diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c
index 2e5970fe9ee..57cde2b061e 100644
--- a/drivers/rtc/rtc-ab8500.c
+++ b/drivers/rtc/rtc-ab8500.c
@@ -389,7 +389,7 @@ static const struct rtc_class_ops ab8500_rtc_ops = {
 	.alarm_irq_enable	= ab8500_rtc_irq_enable,
 };
 
-static int __devinit ab8500_rtc_probe(struct platform_device *pdev)
+static int ab8500_rtc_probe(struct platform_device *pdev)
 {
 	int err;
 	struct rtc_device *rtc;
@@ -448,7 +448,7 @@ static int __devinit ab8500_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __devexit ab8500_rtc_remove(struct platform_device *pdev)
+static int ab8500_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(pdev);
 	int irq = platform_get_irq_byname(pdev, "ALARM");
@@ -468,7 +468,7 @@ static struct platform_driver ab8500_rtc_driver = {
 		.owner = THIS_MODULE,
 	},
 	.probe	= ab8500_rtc_probe,
-	.remove = __devexit_p(ab8500_rtc_remove),
+	.remove = ab8500_rtc_remove,
 };
 
 module_platform_driver(ab8500_rtc_driver);
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index fca9790c7de..434ebc3a99d 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -31,7 +31,7 @@
 
 #include <asm/uaccess.h>
 
-#include <mach/at91_rtc.h>
+#include "rtc-at91rm9200.h"
 
 #define at91_rtc_read(field) \
 	__raw_readl(at91_rtc_regs + field)
@@ -86,7 +86,7 @@ static int at91_rtc_readtime(struct device *dev, struct rtc_time *tm)
 	tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year);
 	tm->tm_year = tm->tm_year - 1900;
 
-	pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
+	dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
 		1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
 		tm->tm_hour, tm->tm_min, tm->tm_sec);
 
@@ -100,7 +100,7 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
 {
 	unsigned long cr;
 
-	pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
+	dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
 		1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
 		tm->tm_hour, tm->tm_min, tm->tm_sec);
 
@@ -145,7 +145,7 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	alrm->enabled = (at91_rtc_read(AT91_RTC_IMR) & AT91_RTC_ALARM)
 			? 1 : 0;
 
-	pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
+	dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
 		1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
 		tm->tm_hour, tm->tm_min, tm->tm_sec);
 
@@ -183,7 +183,7 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 		at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM);
 	}
 
-	pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
+	dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
 		at91_alarm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour,
 		tm.tm_min, tm.tm_sec);
 
@@ -192,7 +192,7 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
-	pr_debug("%s(): cmd=%08x\n", __func__, enabled);
+	dev_dbg(dev, "%s(): cmd=%08x\n", __func__, enabled);
 
 	if (enabled) {
 		at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
@@ -240,7 +240,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
 
 		rtc_update_irq(rtc, 1, events);
 
-		pr_debug("%s(): num=%ld, events=0x%02lx\n", __func__,
+		dev_dbg(&pdev->dev, "%s(): num=%ld, events=0x%02lx\n", __func__,
 			events >> 8, events & 0x000000FF);
 
 		return IRQ_HANDLED;
@@ -296,8 +296,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
 				IRQF_SHARED,
 				"at91_rtc", pdev);
 	if (ret) {
-		printk(KERN_ERR "at91_rtc: IRQ %d already in use.\n",
-				irq);
+		dev_err(&pdev->dev, "IRQ %d already in use.\n", irq);
 		return ret;
 	}
 
@@ -315,7 +314,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
 	}
 	platform_set_drvdata(pdev, rtc);
 
-	printk(KERN_INFO "AT91 Real Time Clock driver.\n");
+	dev_info(&pdev->dev, "AT91 Real Time Clock driver.\n");
 	return 0;
 }
 
diff --git a/drivers/rtc/rtc-at91rm9200.h b/drivers/rtc/rtc-at91rm9200.h
new file mode 100644
index 00000000000..da1945e5f71
--- /dev/null
+++ b/drivers/rtc/rtc-at91rm9200.h
@@ -0,0 +1,75 @@
+/*
+ * arch/arm/mach-at91/include/mach/at91_rtc.h
+ *
+ * Copyright (C) 2005 Ivan Kokshaysky
+ * Copyright (C) SAN People
+ *
+ * Real Time Clock (RTC) - System peripheral registers.
+ * Based on AT91RM9200 datasheet revision E.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef AT91_RTC_H
+#define AT91_RTC_H
+
+#define	AT91_RTC_CR		0x00			/* Control Register */
+#define		AT91_RTC_UPDTIM		(1 <<  0)		/* Update Request Time Register */
+#define		AT91_RTC_UPDCAL		(1 <<  1)		/* Update Request Calendar Register */
+#define		AT91_RTC_TIMEVSEL	(3 <<  8)		/* Time Event Selection */
+#define			AT91_RTC_TIMEVSEL_MINUTE	(0 << 8)
+#define			AT91_RTC_TIMEVSEL_HOUR		(1 << 8)
+#define			AT91_RTC_TIMEVSEL_DAY24		(2 << 8)
+#define			AT91_RTC_TIMEVSEL_DAY12		(3 << 8)
+#define		AT91_RTC_CALEVSEL	(3 << 16)		/* Calendar Event Selection */
+#define			AT91_RTC_CALEVSEL_WEEK		(0 << 16)
+#define			AT91_RTC_CALEVSEL_MONTH		(1 << 16)
+#define			AT91_RTC_CALEVSEL_YEAR		(2 << 16)
+
+#define	AT91_RTC_MR		0x04			/* Mode Register */
+#define			AT91_RTC_HRMOD		(1 <<  0)		/* 12/24 Hour Mode */
+
+#define	AT91_RTC_TIMR		0x08			/* Time Register */
+#define		AT91_RTC_SEC		(0x7f <<  0)		/* Current Second */
+#define		AT91_RTC_MIN		(0x7f <<  8)		/* Current Minute */
+#define		AT91_RTC_HOUR		(0x3f << 16)		/* Current Hour */
+#define		AT91_RTC_AMPM		(1    << 22)		/* Ante Meridiem Post Meridiem Indicator */
+
+#define	AT91_RTC_CALR		0x0c			/* Calendar Register */
+#define		AT91_RTC_CENT		(0x7f <<  0)		/* Current Century */
+#define		AT91_RTC_YEAR		(0xff <<  8)		/* Current Year */
+#define		AT91_RTC_MONTH		(0x1f << 16)		/* Current Month */
+#define		AT91_RTC_DAY		(7    << 21)		/* Current Day */
+#define		AT91_RTC_DATE		(0x3f << 24)		/* Current Date */
+
+#define	AT91_RTC_TIMALR		0x10			/* Time Alarm Register */
+#define		AT91_RTC_SECEN		(1 <<  7)		/* Second Alarm Enable */
+#define		AT91_RTC_MINEN		(1 << 15)		/* Minute Alarm Enable */
+#define		AT91_RTC_HOUREN		(1 << 23)		/* Hour Alarm Enable */
+
+#define	AT91_RTC_CALALR		0x14			/* Calendar Alarm Register */
+#define		AT91_RTC_MTHEN		(1 << 23)		/* Month Alarm Enable */
+#define		AT91_RTC_DATEEN		(1 << 31)		/* Date Alarm Enable */
+
+#define	AT91_RTC_SR		0x18			/* Status Register */
+#define		AT91_RTC_ACKUPD		(1 <<  0)		/* Acknowledge for Update */
+#define		AT91_RTC_ALARM		(1 <<  1)		/* Alarm Flag */
+#define		AT91_RTC_SECEV		(1 <<  2)		/* Second Event */
+#define		AT91_RTC_TIMEV		(1 <<  3)		/* Time Event */
+#define		AT91_RTC_CALEV		(1 <<  4)		/* Calendar Event */
+
+#define	AT91_RTC_SCCR		0x1c			/* Status Clear Command Register */
+#define	AT91_RTC_IER		0x20			/* Interrupt Enable Register */
+#define	AT91_RTC_IDR		0x24			/* Interrupt Disable Register */
+#define	AT91_RTC_IMR		0x28			/* Interrupt Mask Register */
+
+#define	AT91_RTC_VER		0x2c			/* Valid Entry Register */
+#define		AT91_RTC_NVTIM		(1 <<  0)		/* Non valid Time */
+#define		AT91_RTC_NVCAL		(1 <<  1)		/* Non valid Calendar */
+#define		AT91_RTC_NVTIMALR	(1 <<  2)		/* Non valid Time Alarm */
+#define		AT91_RTC_NVCALALR	(1 <<  3)		/* Non valid Calendar Alarm */
+
+#endif
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 2dfe7a2fb99..39cfd2ee004 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -19,8 +19,8 @@
 #include <linux/interrupt.h>
 #include <linux/ioctl.h>
 #include <linux/slab.h>
+#include <linux/platform_data/atmel.h>
 
-#include <mach/board.h>
 #include <mach/at91_rtt.h>
 #include <mach/cpu.h>
 
@@ -289,7 +289,7 @@ static const struct rtc_class_ops at91_rtc_ops = {
 /*
  * Initialize and install RTC driver
  */
-static int __devinit at91_rtc_probe(struct platform_device *pdev)
+static int at91_rtc_probe(struct platform_device *pdev)
 {
 	struct resource	*r, *r_gpbr;
 	struct sam9_rtc	*rtc;
@@ -387,7 +387,7 @@ fail:
 /*
  * Disable and remove the RTC driver
  */
-static int __devexit at91_rtc_remove(struct platform_device *pdev)
+static int at91_rtc_remove(struct platform_device *pdev)
 {
 	struct sam9_rtc	*rtc = platform_get_drvdata(pdev);
 	u32		mr = rtt_readl(rtc, MR);
@@ -463,7 +463,7 @@ static int at91_rtc_resume(struct platform_device *pdev)
 
 static struct platform_driver at91_rtc_driver = {
 	.probe		= at91_rtc_probe,
-	.remove		= __devexit_p(at91_rtc_remove),
+	.remove		= at91_rtc_remove,
 	.shutdown	= at91_rtc_shutdown,
 	.suspend	= at91_rtc_suspend,
 	.resume		= at91_rtc_resume,
diff --git a/drivers/rtc/rtc-au1xxx.c b/drivers/rtc/rtc-au1xxx.c
index 979ed0406ce..b309da4ec74 100644
--- a/drivers/rtc/rtc-au1xxx.c
+++ b/drivers/rtc/rtc-au1xxx.c
@@ -62,7 +62,7 @@ static struct rtc_class_ops au1xtoy_rtc_ops = {
 	.set_time	= au1xtoy_rtc_set_time,
 };
 
-static int __devinit au1xtoy_rtc_probe(struct platform_device *pdev)
+static int au1xtoy_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtcdev;
 	unsigned long t;
@@ -116,7 +116,7 @@ out_err:
 	return ret;
 }
 
-static int __devexit au1xtoy_rtc_remove(struct platform_device *pdev)
+static int au1xtoy_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_device *rtcdev = platform_get_drvdata(pdev);
 
@@ -131,7 +131,7 @@ static struct platform_driver au1xrtc_driver = {
 		.name	= "rtc-au1xxx",
 		.owner	= THIS_MODULE,
 	},
-	.remove		= __devexit_p(au1xtoy_rtc_remove),
+	.remove		= au1xtoy_rtc_remove,
 };
 
 static int __init au1xtoy_rtc_init(void)
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index abfc1a0c07d..4ec614b0954 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -342,7 +342,7 @@ static struct rtc_class_ops bfin_rtc_ops = {
 	.alarm_irq_enable = bfin_rtc_alarm_irq_enable,
 };
 
-static int __devinit bfin_rtc_probe(struct platform_device *pdev)
+static int bfin_rtc_probe(struct platform_device *pdev)
 {
 	struct bfin_rtc *rtc;
 	struct device *dev = &pdev->dev;
@@ -388,7 +388,7 @@ err:
 	return ret;
 }
 
-static int __devexit bfin_rtc_remove(struct platform_device *pdev)
+static int bfin_rtc_remove(struct platform_device *pdev)
 {
 	struct bfin_rtc *rtc = platform_get_drvdata(pdev);
 	struct device *dev = &pdev->dev;
@@ -451,7 +451,7 @@ static struct platform_driver bfin_rtc_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= bfin_rtc_probe,
-	.remove		= __devexit_p(bfin_rtc_remove),
+	.remove		= bfin_rtc_remove,
 	.suspend	= bfin_rtc_suspend,
 	.resume		= bfin_rtc_resume,
 };
diff --git a/drivers/rtc/rtc-bq32k.c b/drivers/rtc/rtc-bq32k.c
index f090159dce4..036cb89f818 100644
--- a/drivers/rtc/rtc-bq32k.c
+++ b/drivers/rtc/rtc-bq32k.c
@@ -163,7 +163,7 @@ static int bq32k_probe(struct i2c_client *client,
 	return 0;
 }
 
-static int __devexit bq32k_remove(struct i2c_client *client)
+static int bq32k_remove(struct i2c_client *client)
 {
 	struct rtc_device *rtc = i2c_get_clientdata(client);
 
@@ -183,7 +183,7 @@ static struct i2c_driver bq32k_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= bq32k_probe,
-	.remove		= __devexit_p(bq32k_remove),
+	.remove		= bq32k_remove,
 	.id_table	= bq32k_id,
 };
 
diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c
index bf612ef2294..693be71b5b1 100644
--- a/drivers/rtc/rtc-bq4802.c
+++ b/drivers/rtc/rtc-bq4802.c
@@ -140,7 +140,7 @@ static const struct rtc_class_ops bq4802_ops = {
 	.set_time	= bq4802_set_time,
 };
 
-static int __devinit bq4802_probe(struct platform_device *pdev)
+static int bq4802_probe(struct platform_device *pdev)
 {
 	struct bq4802 *p = kzalloc(sizeof(*p), GFP_KERNEL);
 	int err = -ENOMEM;
@@ -191,7 +191,7 @@ out_free:
 	goto out;
 }
 
-static int __devexit bq4802_remove(struct platform_device *pdev)
+static int bq4802_remove(struct platform_device *pdev)
 {
 	struct bq4802 *p = platform_get_drvdata(pdev);
 
@@ -215,7 +215,7 @@ static struct platform_driver bq4802_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= bq4802_probe,
-	.remove		= __devexit_p(bq4802_remove),
+	.remove		= bq4802_remove,
 };
 
 module_platform_driver(bq4802_driver);
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 4267789ca99..af97c94e8a3 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -706,7 +706,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 			rtc_cmos_int_handler = hpet_rtc_interrupt;
 			err = hpet_register_irq_handler(cmos_interrupt);
 			if (err != 0) {
-				printk(KERN_WARNING "hpet_register_irq_handler "
+				dev_warn(dev, "hpet_register_irq_handler "
 						" failed in rtc_init().");
 				goto cleanup1;
 			}
@@ -731,8 +731,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 		goto cleanup2;
 	}
 
-	pr_info("%s: %s%s, %zd bytes nvram%s\n",
-		dev_name(&cmos_rtc.rtc->dev),
+	dev_info(dev, "%s%s, %zd bytes nvram%s\n",
 		!is_valid_irq(rtc_irq) ? "no alarms" :
 			cmos_rtc.mon_alrm ? "alarms up to one year" :
 			cmos_rtc.day_alrm ? "alarms up to one month" :
@@ -820,8 +819,7 @@ static int cmos_suspend(struct device *dev)
 			enable_irq_wake(cmos->irq);
 	}
 
-	pr_debug("%s: suspend%s, ctrl %02x\n",
-			dev_name(&cmos_rtc.rtc->dev),
+	dev_dbg(dev, "suspend%s, ctrl %02x\n",
 			(tmp & RTC_AIE) ? ", alarm may wake" : "",
 			tmp);
 
@@ -876,9 +874,7 @@ static int cmos_resume(struct device *dev)
 		spin_unlock_irq(&rtc_lock);
 	}
 
-	pr_debug("%s: resume, ctrl %02x\n",
-			dev_name(&cmos_rtc.rtc->dev),
-			tmp);
+	dev_dbg(dev, "resume, ctrl %02x\n", tmp);
 
 	return 0;
 }
@@ -947,8 +943,7 @@ static void rtc_wake_off(struct device *dev)
  */
 static struct cmos_rtc_board_info acpi_rtc_info;
 
-static void __devinit
-cmos_wake_setup(struct device *dev)
+static void cmos_wake_setup(struct device *dev)
 {
 	if (acpi_disabled)
 		return;
@@ -980,8 +975,7 @@ cmos_wake_setup(struct device *dev)
 
 #else
 
-static void __devinit
-cmos_wake_setup(struct device *dev)
+static void cmos_wake_setup(struct device *dev)
 {
 }
 
@@ -991,8 +985,7 @@ cmos_wake_setup(struct device *dev)
 
 #include <linux/pnp.h>
 
-static int __devinit
-cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id)
+static int cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id)
 {
 	cmos_wake_setup(&pnp->dev);
 
@@ -1101,7 +1094,6 @@ static __init void cmos_of_init(struct platform_device *pdev)
 }
 #else
 static inline void cmos_of_init(struct platform_device *pdev) {}
-#define of_cmos_match NULL
 #endif
 /*----------------------------------------------------------------*/
 
@@ -1143,7 +1135,7 @@ static struct platform_driver cmos_platform_driver = {
 #ifdef CONFIG_PM
 		.pm		= &cmos_pm_ops,
 #endif
-		.of_match_table = of_cmos_match,
+		.of_match_table = of_match_ptr(of_cmos_match),
 	}
 };
 
diff --git a/drivers/rtc/rtc-coh901331.c b/drivers/rtc/rtc-coh901331.c
index c8115b83e5a..2d28ec1aa1c 100644
--- a/drivers/rtc/rtc-coh901331.c
+++ b/drivers/rtc/rtc-coh901331.c
@@ -157,7 +157,6 @@ static int __exit coh901331_remove(struct platform_device *pdev)
 	if (rtap) {
 		rtc_device_unregister(rtap->rtc);
 		clk_unprepare(rtap->clk);
-		clk_put(rtap->clk);
 		platform_set_drvdata(pdev, NULL);
 	}
 
@@ -196,7 +195,7 @@ static int __init coh901331_probe(struct platform_device *pdev)
 			     "RTC COH 901 331 Alarm", rtap))
 		return -EIO;
 
-	rtap->clk = clk_get(&pdev->dev, NULL);
+	rtap->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(rtap->clk)) {
 		ret = PTR_ERR(rtap->clk);
 		dev_err(&pdev->dev, "could not get clock\n");
@@ -207,7 +206,7 @@ static int __init coh901331_probe(struct platform_device *pdev)
 	ret = clk_prepare_enable(rtap->clk);
 	if (ret) {
 		dev_err(&pdev->dev, "could not enable clock\n");
-		goto out_no_clk_prepenable;
+		return ret;
 	}
 	clk_disable(rtap->clk);
 
@@ -224,8 +223,6 @@ static int __init coh901331_probe(struct platform_device *pdev)
  out_no_rtc:
 	platform_set_drvdata(pdev, NULL);
 	clk_unprepare(rtap->clk);
- out_no_clk_prepenable:
-	clk_put(rtap->clk);
 	return ret;
 }
 
diff --git a/drivers/rtc/rtc-da9052.c b/drivers/rtc/rtc-da9052.c
index 78070255bd3..0dde688ca09 100644
--- a/drivers/rtc/rtc-da9052.c
+++ b/drivers/rtc/rtc-da9052.c
@@ -228,7 +228,7 @@ static const struct rtc_class_ops da9052_rtc_ops = {
 	.alarm_irq_enable = da9052_rtc_alarm_irq_enable,
 };
 
-static int __devinit da9052_rtc_probe(struct platform_device *pdev)
+static int da9052_rtc_probe(struct platform_device *pdev)
 {
 	struct da9052_rtc *rtc;
 	int ret;
@@ -240,9 +240,10 @@ static int __devinit da9052_rtc_probe(struct platform_device *pdev)
 	rtc->da9052 = dev_get_drvdata(pdev->dev.parent);
 	platform_set_drvdata(pdev, rtc);
 	rtc->irq = platform_get_irq_byname(pdev, "ALM");
-	ret = request_threaded_irq(rtc->irq, NULL, da9052_rtc_irq,
-				   IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-				   "ALM", rtc);
+	ret = devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL,
+				da9052_rtc_irq,
+				IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+				"ALM", rtc);
 	if (ret != 0) {
 		rtc_err(rtc->da9052, "irq registration failed: %d\n", ret);
 		return ret;
@@ -250,24 +251,17 @@ static int __devinit da9052_rtc_probe(struct platform_device *pdev)
 
 	rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
 				       &da9052_rtc_ops, THIS_MODULE);
-	if (IS_ERR(rtc->rtc)) {
-		ret = PTR_ERR(rtc->rtc);
-		goto err_free_irq;
-	}
+	if (IS_ERR(rtc->rtc))
+		return PTR_ERR(rtc->rtc);
 
 	return 0;
-
-err_free_irq:
-	free_irq(rtc->irq, rtc);
-	return ret;
 }
 
-static int __devexit da9052_rtc_remove(struct platform_device *pdev)
+static int da9052_rtc_remove(struct platform_device *pdev)
 {
 	struct da9052_rtc *rtc = pdev->dev.platform_data;
 
 	rtc_device_unregister(rtc->rtc);
-	free_irq(rtc->irq, rtc);
 	platform_set_drvdata(pdev, NULL);
 
 	return 0;
@@ -275,7 +269,7 @@ static int __devexit da9052_rtc_remove(struct platform_device *pdev)
 
 static struct platform_driver da9052_rtc_driver = {
 	.probe	= da9052_rtc_probe,
-	.remove	= __devexit_p(da9052_rtc_remove),
+	.remove	= da9052_rtc_remove,
 	.driver = {
 		.name	= "da9052-rtc",
 		.owner	= THIS_MODULE,
diff --git a/drivers/rtc/rtc-da9055.c b/drivers/rtc/rtc-da9055.c
new file mode 100644
index 00000000000..8f0dcfedb83
--- /dev/null
+++ b/drivers/rtc/rtc-da9055.c
@@ -0,0 +1,413 @@
+/*
+ * Real time clock driver for DA9055
+ *
+ * Copyright(c) 2012 Dialog Semiconductor Ltd.
+ *
+ * Author: Dajun Dajun Chen <dajun.chen@diasemi.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+
+#include <linux/mfd/da9055/core.h>
+#include <linux/mfd/da9055/reg.h>
+#include <linux/mfd/da9055/pdata.h>
+
+struct da9055_rtc {
+	struct rtc_device *rtc;
+	struct da9055 *da9055;
+	int alarm_enable;
+};
+
+static int da9055_rtc_enable_alarm(struct da9055_rtc *rtc, bool enable)
+{
+	int ret;
+	if (enable) {
+		ret = da9055_reg_update(rtc->da9055, DA9055_REG_ALARM_Y,
+					DA9055_RTC_ALM_EN,
+					DA9055_RTC_ALM_EN);
+		if (ret != 0)
+			dev_err(rtc->da9055->dev, "Failed to enable ALM: %d\n",
+				ret);
+		rtc->alarm_enable = 1;
+	} else {
+		ret = da9055_reg_update(rtc->da9055, DA9055_REG_ALARM_Y,
+					DA9055_RTC_ALM_EN, 0);
+		if (ret != 0)
+			dev_err(rtc->da9055->dev,
+				"Failed to disable ALM: %d\n", ret);
+		rtc->alarm_enable = 0;
+	}
+	return ret;
+}
+
+static irqreturn_t da9055_rtc_alm_irq(int irq, void *data)
+{
+	struct da9055_rtc *rtc = data;
+
+	da9055_rtc_enable_alarm(rtc, 0);
+	rtc_update_irq(rtc->rtc, 1, RTC_IRQF | RTC_AF);
+
+	return IRQ_HANDLED;
+}
+
+static int da9055_read_alarm(struct da9055 *da9055, struct rtc_time *rtc_tm)
+{
+	int ret;
+	uint8_t v[5];
+
+	ret = da9055_group_read(da9055, DA9055_REG_ALARM_MI, 5, v);
+	if (ret != 0) {
+		dev_err(da9055->dev, "Failed to group read ALM: %d\n", ret);
+		return ret;
+	}
+
+	rtc_tm->tm_year = (v[4] & DA9055_RTC_ALM_YEAR) + 100;
+	rtc_tm->tm_mon  = (v[3] & DA9055_RTC_ALM_MONTH) - 1;
+	rtc_tm->tm_mday = v[2] & DA9055_RTC_ALM_DAY;
+	rtc_tm->tm_hour = v[1] & DA9055_RTC_ALM_HOUR;
+	rtc_tm->tm_min  = v[0] & DA9055_RTC_ALM_MIN;
+
+	return rtc_valid_tm(rtc_tm);
+}
+
+static int da9055_set_alarm(struct da9055 *da9055, struct rtc_time *rtc_tm)
+{
+	int ret;
+	uint8_t v[2];
+
+	rtc_tm->tm_year -= 100;
+	rtc_tm->tm_mon += 1;
+
+	ret = da9055_reg_update(da9055, DA9055_REG_ALARM_MI,
+				DA9055_RTC_ALM_MIN, rtc_tm->tm_min);
+	if (ret != 0) {
+		dev_err(da9055->dev, "Failed to write ALRM MIN: %d\n", ret);
+		return ret;
+	}
+
+	v[0] = rtc_tm->tm_hour;
+	v[1] = rtc_tm->tm_mday;
+
+	ret = da9055_group_write(da9055, DA9055_REG_ALARM_H, 2, v);
+	if (ret < 0)
+		return ret;
+
+	ret = da9055_reg_update(da9055, DA9055_REG_ALARM_MO,
+				DA9055_RTC_ALM_MONTH, rtc_tm->tm_mon);
+	if (ret < 0)
+		dev_err(da9055->dev, "Failed to write ALM Month:%d\n", ret);
+
+	ret = da9055_reg_update(da9055, DA9055_REG_ALARM_Y,
+				DA9055_RTC_ALM_YEAR, rtc_tm->tm_year);
+	if (ret < 0)
+		dev_err(da9055->dev, "Failed to write ALM Year:%d\n", ret);
+
+	return ret;
+}
+
+static int da9055_rtc_get_alarm_status(struct da9055 *da9055)
+{
+	int ret;
+
+	ret = da9055_reg_read(da9055, DA9055_REG_ALARM_Y);
+	if (ret < 0) {
+		dev_err(da9055->dev, "Failed to read ALM: %d\n", ret);
+		return ret;
+	}
+	ret &= DA9055_RTC_ALM_EN;
+	return (ret > 0) ? 1 : 0;
+}
+
+static int da9055_rtc_read_time(struct device *dev, struct rtc_time *rtc_tm)
+{
+	struct da9055_rtc *rtc = dev_get_drvdata(dev);
+	uint8_t v[6];
+	int ret;
+
+	ret = da9055_reg_read(rtc->da9055, DA9055_REG_COUNT_S);
+	if (ret < 0)
+		return ret;
+
+	/*
+	 * Registers are only valid when RTC_READ
+	 * status bit is asserted
+	 */
+	if (!(ret & DA9055_RTC_READ))
+		return -EBUSY;
+
+	ret = da9055_group_read(rtc->da9055, DA9055_REG_COUNT_S, 6, v);
+	if (ret < 0) {
+		dev_err(rtc->da9055->dev, "Failed to read RTC time : %d\n",
+			ret);
+		return ret;
+	}
+
+	rtc_tm->tm_year = (v[5] & DA9055_RTC_YEAR) + 100;
+	rtc_tm->tm_mon  = (v[4] & DA9055_RTC_MONTH) - 1;
+	rtc_tm->tm_mday = v[3] & DA9055_RTC_DAY;
+	rtc_tm->tm_hour = v[2] & DA9055_RTC_HOUR;
+	rtc_tm->tm_min  = v[1] & DA9055_RTC_MIN;
+	rtc_tm->tm_sec  = v[0] & DA9055_RTC_SEC;
+
+	return rtc_valid_tm(rtc_tm);
+}
+
+static int da9055_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct da9055_rtc *rtc;
+	uint8_t v[6];
+
+	rtc = dev_get_drvdata(dev);
+
+	v[0] = tm->tm_sec;
+	v[1] = tm->tm_min;
+	v[2] = tm->tm_hour;
+	v[3] = tm->tm_mday;
+	v[4] = tm->tm_mon + 1;
+	v[5] = tm->tm_year - 100;
+
+	return da9055_group_write(rtc->da9055, DA9055_REG_COUNT_S, 6, v);
+}
+
+static int da9055_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	int ret;
+	struct rtc_time *tm = &alrm->time;
+	struct da9055_rtc *rtc = dev_get_drvdata(dev);
+
+	ret = da9055_read_alarm(rtc->da9055, tm);
+
+	if (ret)
+		return ret;
+
+	alrm->enabled = da9055_rtc_get_alarm_status(rtc->da9055);
+
+	return 0;
+}
+
+static int da9055_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	int ret;
+	struct rtc_time *tm = &alrm->time;
+	struct da9055_rtc *rtc = dev_get_drvdata(dev);
+
+	ret = da9055_rtc_enable_alarm(rtc, 0);
+	if (ret < 0)
+		return ret;
+
+	ret = da9055_set_alarm(rtc->da9055, tm);
+	if (ret)
+		return ret;
+
+	ret = da9055_rtc_enable_alarm(rtc, 1);
+
+	return ret;
+}
+
+static int da9055_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	struct da9055_rtc *rtc = dev_get_drvdata(dev);
+
+	return da9055_rtc_enable_alarm(rtc, enabled);
+}
+
+static const struct rtc_class_ops da9055_rtc_ops = {
+	.read_time	= da9055_rtc_read_time,
+	.set_time	= da9055_rtc_set_time,
+	.read_alarm	= da9055_rtc_read_alarm,
+	.set_alarm	= da9055_rtc_set_alarm,
+	.alarm_irq_enable = da9055_rtc_alarm_irq_enable,
+};
+
+static int da9055_rtc_device_init(struct da9055 *da9055,
+					struct da9055_pdata *pdata)
+{
+	int ret;
+
+	/* Enable RTC and the internal Crystal */
+	ret = da9055_reg_update(da9055, DA9055_REG_CONTROL_B,
+				DA9055_RTC_EN, DA9055_RTC_EN);
+	if (ret < 0)
+		return ret;
+	ret = da9055_reg_update(da9055, DA9055_REG_EN_32K,
+				DA9055_CRYSTAL_EN, DA9055_CRYSTAL_EN);
+	if (ret < 0)
+		return ret;
+
+	/* Enable RTC in Power Down mode */
+	ret = da9055_reg_update(da9055, DA9055_REG_CONTROL_B,
+				DA9055_RTC_MODE_PD, DA9055_RTC_MODE_PD);
+	if (ret < 0)
+		return ret;
+
+	/* Enable RTC in Reset mode */
+	if (pdata && pdata->reset_enable) {
+		ret = da9055_reg_update(da9055, DA9055_REG_CONTROL_B,
+					DA9055_RTC_MODE_SD,
+					DA9055_RTC_MODE_SD <<
+					DA9055_RTC_MODE_SD_SHIFT);
+		if (ret < 0)
+			return ret;
+	}
+
+	/* Disable the RTC TICK ALM */
+	ret = da9055_reg_update(da9055, DA9055_REG_ALARM_MO,
+				DA9055_RTC_TICK_WAKE_MASK, 0);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int da9055_rtc_probe(struct platform_device *pdev)
+{
+	struct da9055_rtc *rtc;
+	struct da9055_pdata *pdata = NULL;
+	int ret, alm_irq;
+
+	rtc = devm_kzalloc(&pdev->dev, sizeof(struct da9055_rtc), GFP_KERNEL);
+	if (!rtc)
+		return -ENOMEM;
+
+	rtc->da9055 = dev_get_drvdata(pdev->dev.parent);
+	pdata = rtc->da9055->dev->platform_data;
+	platform_set_drvdata(pdev, rtc);
+
+	ret = da9055_rtc_device_init(rtc->da9055, pdata);
+	if (ret < 0)
+		goto err_rtc;
+
+	ret = da9055_reg_read(rtc->da9055, DA9055_REG_ALARM_Y);
+	if (ret < 0)
+		goto err_rtc;
+
+	if (ret & DA9055_RTC_ALM_EN)
+		rtc->alarm_enable = 1;
+
+	device_init_wakeup(&pdev->dev, 1);
+
+	rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
+					&da9055_rtc_ops, THIS_MODULE);
+	if (IS_ERR(rtc->rtc)) {
+		ret = PTR_ERR(rtc->rtc);
+		goto err_rtc;
+	}
+
+	alm_irq = platform_get_irq_byname(pdev, "ALM");
+	alm_irq = regmap_irq_get_virq(rtc->da9055->irq_data, alm_irq);
+	ret = devm_request_threaded_irq(&pdev->dev, alm_irq, NULL,
+					da9055_rtc_alm_irq,
+					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+					"ALM", rtc);
+	if (ret != 0)
+		dev_err(rtc->da9055->dev, "irq registration failed: %d\n", ret);
+
+err_rtc:
+	return ret;
+
+}
+
+static int da9055_rtc_remove(struct platform_device *pdev)
+{
+	struct da9055_rtc *rtc = pdev->dev.platform_data;
+
+	rtc_device_unregister(rtc->rtc);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+/* Turn off the alarm if it should not be a wake source. */
+static int da9055_rtc_suspend(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct da9055_rtc *rtc = dev_get_drvdata(&pdev->dev);
+	int ret;
+
+	if (!device_may_wakeup(&pdev->dev)) {
+		/* Disable the ALM IRQ */
+		ret = da9055_rtc_enable_alarm(rtc, 0);
+		if (ret < 0)
+			dev_err(&pdev->dev, "Failed to disable RTC ALM\n");
+	}
+
+	return 0;
+}
+
+/* Enable the alarm if it should be enabled (in case it was disabled to
+ * prevent use as a wake source).
+ */
+static int da9055_rtc_resume(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct da9055_rtc *rtc = dev_get_drvdata(&pdev->dev);
+	int ret;
+
+	if (!device_may_wakeup(&pdev->dev)) {
+		if (rtc->alarm_enable) {
+			ret = da9055_rtc_enable_alarm(rtc, 1);
+			if (ret < 0)
+				dev_err(&pdev->dev,
+					"Failed to restart RTC ALM\n");
+		}
+	}
+
+	return 0;
+}
+
+/* Unconditionally disable the alarm */
+static int da9055_rtc_freeze(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct da9055_rtc *rtc = dev_get_drvdata(&pdev->dev);
+	int ret;
+
+	ret = da9055_rtc_enable_alarm(rtc, 0);
+	if (ret < 0)
+		dev_err(&pdev->dev, "Failed to freeze RTC ALMs\n");
+
+	return 0;
+
+}
+#else
+#define da9055_rtc_suspend NULL
+#define da9055_rtc_resume NULL
+#define da9055_rtc_freeze NULL
+#endif
+
+static const struct dev_pm_ops da9055_rtc_pm_ops = {
+	.suspend = da9055_rtc_suspend,
+	.resume = da9055_rtc_resume,
+
+	.freeze = da9055_rtc_freeze,
+	.thaw = da9055_rtc_resume,
+	.restore = da9055_rtc_resume,
+
+	.poweroff = da9055_rtc_suspend,
+};
+
+static struct platform_driver da9055_rtc_driver = {
+	.probe  = da9055_rtc_probe,
+	.remove = da9055_rtc_remove,
+	.driver = {
+		.name   = "da9055-rtc",
+		.owner  = THIS_MODULE,
+		.pm = &da9055_rtc_pm_ops,
+	},
+};
+
+module_platform_driver(da9055_rtc_driver);
+
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
+MODULE_DESCRIPTION("RTC driver for Dialog DA9055 PMIC");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:da9055-rtc");
diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c
index 14c2109dbaa..56b73089bb2 100644
--- a/drivers/rtc/rtc-davinci.c
+++ b/drivers/rtc/rtc-davinci.c
@@ -485,7 +485,7 @@ static int __init davinci_rtc_probe(struct platform_device *pdev)
 	struct resource *res, *mem;
 	int ret = 0;
 
-	davinci_rtc = kzalloc(sizeof(struct davinci_rtc), GFP_KERNEL);
+	davinci_rtc = devm_kzalloc(&pdev->dev, sizeof(struct davinci_rtc), GFP_KERNEL);
 	if (!davinci_rtc) {
 		dev_dbg(dev, "could not allocate memory for private data\n");
 		return -ENOMEM;
@@ -494,34 +494,31 @@ static int __init davinci_rtc_probe(struct platform_device *pdev)
 	davinci_rtc->irq = platform_get_irq(pdev, 0);
 	if (davinci_rtc->irq < 0) {
 		dev_err(dev, "no RTC irq\n");
-		ret = davinci_rtc->irq;
-		goto fail1;
+		return davinci_rtc->irq;
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
 		dev_err(dev, "no mem resource\n");
-		ret = -EINVAL;
-		goto fail1;
+		return -EINVAL;
 	}
 
 	davinci_rtc->pbase = res->start;
 	davinci_rtc->base_size = resource_size(res);
 
-	mem = request_mem_region(davinci_rtc->pbase, davinci_rtc->base_size,
-				 pdev->name);
+	mem = devm_request_mem_region(dev, davinci_rtc->pbase,
+				davinci_rtc->base_size, pdev->name);
 	if (!mem) {
 		dev_err(dev, "RTC registers at %08x are not free\n",
 			davinci_rtc->pbase);
-		ret = -EBUSY;
-		goto fail1;
+		return -EBUSY;
 	}
 
-	davinci_rtc->base = ioremap(davinci_rtc->pbase, davinci_rtc->base_size);
+	davinci_rtc->base = devm_ioremap(dev, davinci_rtc->pbase,
+					davinci_rtc->base_size);
 	if (!davinci_rtc->base) {
 		dev_err(dev, "unable to ioremap MEM resource\n");
-		ret = -ENOMEM;
-		goto fail2;
+		return -ENOMEM;
 	}
 
 	platform_set_drvdata(pdev, davinci_rtc);
@@ -529,9 +526,10 @@ static int __init davinci_rtc_probe(struct platform_device *pdev)
 	davinci_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
 				    &davinci_rtc_ops, THIS_MODULE);
 	if (IS_ERR(davinci_rtc->rtc)) {
-		dev_err(dev, "unable to register RTC device, err %ld\n",
-				PTR_ERR(davinci_rtc->rtc));
-		goto fail3;
+		ret = PTR_ERR(davinci_rtc->rtc);
+		dev_err(dev, "unable to register RTC device, err %d\n",
+				ret);
+		goto fail1;
 	}
 
 	rtcif_write(davinci_rtc, PRTCIF_INTFLG_RTCSS, PRTCIF_INTFLG);
@@ -541,11 +539,11 @@ static int __init davinci_rtc_probe(struct platform_device *pdev)
 	rtcss_write(davinci_rtc, 0, PRTCSS_RTC_CTRL);
 	rtcss_write(davinci_rtc, 0, PRTCSS_RTC_CCTRL);
 
-	ret = request_irq(davinci_rtc->irq, davinci_rtc_interrupt,
+	ret = devm_request_irq(dev, davinci_rtc->irq, davinci_rtc_interrupt,
 			  0, "davinci_rtc", davinci_rtc);
 	if (ret < 0) {
 		dev_err(dev, "unable to register davinci RTC interrupt\n");
-		goto fail4;
+		goto fail2;
 	}
 
 	/* Enable interrupts */
@@ -559,20 +557,14 @@ static int __init davinci_rtc_probe(struct platform_device *pdev)
 
 	return 0;
 
-fail4:
-	rtc_device_unregister(davinci_rtc->rtc);
-fail3:
-	platform_set_drvdata(pdev, NULL);
-	iounmap(davinci_rtc->base);
 fail2:
-	release_mem_region(davinci_rtc->pbase, davinci_rtc->base_size);
+	rtc_device_unregister(davinci_rtc->rtc);
 fail1:
-	kfree(davinci_rtc);
-
+	platform_set_drvdata(pdev, NULL);
 	return ret;
 }
 
-static int __devexit davinci_rtc_remove(struct platform_device *pdev)
+static int davinci_rtc_remove(struct platform_device *pdev)
 {
 	struct davinci_rtc *davinci_rtc = platform_get_drvdata(pdev);
 
@@ -580,23 +572,16 @@ static int __devexit davinci_rtc_remove(struct platform_device *pdev)
 
 	rtcif_write(davinci_rtc, 0, PRTCIF_INTEN);
 
-	free_irq(davinci_rtc->irq, davinci_rtc);
-
 	rtc_device_unregister(davinci_rtc->rtc);
 
-	iounmap(davinci_rtc->base);
-	release_mem_region(davinci_rtc->pbase, davinci_rtc->base_size);
-
 	platform_set_drvdata(pdev, NULL);
 
-	kfree(davinci_rtc);
-
 	return 0;
 }
 
 static struct platform_driver davinci_rtc_driver = {
 	.probe		= davinci_rtc_probe,
-	.remove		= __devexit_p(davinci_rtc_remove),
+	.remove		= davinci_rtc_remove,
 	.driver		= {
 		.name = "rtc_davinci",
 		.owner = THIS_MODULE,
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index cace6d3aed9..d0493936925 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -11,6 +11,8 @@
  * published by the Free Software Foundation.
 */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/rtc.h>
 #include <linux/sched.h>
@@ -379,25 +381,6 @@ static long rtc_dev_ioctl(struct file *file,
 		err = put_user(rtc->irq_freq, (unsigned long __user *)uarg);
 		break;
 
-#if 0
-	case RTC_EPOCH_SET:
-#ifndef rtc_epoch
-		/*
-		 * There were no RTC clocks before 1900.
-		 */
-		if (arg < 1900) {
-			err = -EINVAL;
-			break;
-		}
-		rtc_epoch = arg;
-		err = 0;
-#endif
-		break;
-
-	case RTC_EPOCH_READ:
-		err = put_user(rtc_epoch, (unsigned long __user *)uarg);
-		break;
-#endif
 	case RTC_WKALM_SET:
 		mutex_unlock(&rtc->ops_lock);
 		if (copy_from_user(&alarm, uarg, sizeof(alarm)))
@@ -481,7 +464,7 @@ void rtc_dev_prepare(struct rtc_device *rtc)
 		return;
 
 	if (rtc->id >= RTC_DEV_MAX) {
-		pr_debug("%s: too many RTC devices\n", rtc->name);
+		dev_dbg(&rtc->dev, "%s: too many RTC devices\n", rtc->name);
 		return;
 	}
 
@@ -499,10 +482,10 @@ void rtc_dev_prepare(struct rtc_device *rtc)
 void rtc_dev_add_device(struct rtc_device *rtc)
 {
 	if (cdev_add(&rtc->char_dev, rtc->dev.devt, 1))
-		printk(KERN_WARNING "%s: failed to add char device %d:%d\n",
+		dev_warn(&rtc->dev, "%s: failed to add char device %d:%d\n",
 			rtc->name, MAJOR(rtc_devt), rtc->id);
 	else
-		pr_debug("%s: dev (%d:%d)\n", rtc->name,
+		dev_dbg(&rtc->dev, "%s: dev (%d:%d)\n", rtc->name,
 			MAJOR(rtc_devt), rtc->id);
 }
 
@@ -518,8 +501,7 @@ void __init rtc_dev_init(void)
 
 	err = alloc_chrdev_region(&rtc_devt, 0, RTC_DEV_MAX, "rtc");
 	if (err < 0)
-		printk(KERN_ERR "%s: failed to allocate char dev region\n",
-			__FILE__);
+		pr_err("failed to allocate char dev region\n");
 }
 
 void __exit rtc_dev_exit(void)
diff --git a/drivers/rtc/rtc-dm355evm.c b/drivers/rtc/rtc-dm355evm.c
index d4457afcba8..b2ed2c94b08 100644
--- a/drivers/rtc/rtc-dm355evm.c
+++ b/drivers/rtc/rtc-dm355evm.c
@@ -123,7 +123,7 @@ static struct rtc_class_ops dm355evm_rtc_ops = {
 
 /*----------------------------------------------------------------------*/
 
-static int __devinit dm355evm_rtc_probe(struct platform_device *pdev)
+static int dm355evm_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 
@@ -139,7 +139,7 @@ static int __devinit dm355evm_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __devexit dm355evm_rtc_remove(struct platform_device *pdev)
+static int dm355evm_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(pdev);
 
@@ -154,7 +154,7 @@ static int __devexit dm355evm_rtc_remove(struct platform_device *pdev)
  */
 static struct platform_driver rtc_dm355evm_driver = {
 	.probe		= dm355evm_rtc_probe,
-	.remove		= __devexit_p(dm355evm_rtc_remove),
+	.remove		= dm355evm_rtc_remove,
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "rtc-dm355evm",
diff --git a/drivers/rtc/rtc-ds1286.c b/drivers/rtc/rtc-ds1286.c
index 990c3ff489b..d989412a348 100644
--- a/drivers/rtc/rtc-ds1286.c
+++ b/drivers/rtc/rtc-ds1286.c
@@ -329,7 +329,7 @@ static const struct rtc_class_ops ds1286_ops = {
 	.alarm_irq_enable = ds1286_alarm_irq_enable,
 };
 
-static int __devinit ds1286_probe(struct platform_device *pdev)
+static int ds1286_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 	struct resource *res;
@@ -376,7 +376,7 @@ out:
 	return ret;
 }
 
-static int __devexit ds1286_remove(struct platform_device *pdev)
+static int ds1286_remove(struct platform_device *pdev)
 {
 	struct ds1286_priv *priv = platform_get_drvdata(pdev);
 
@@ -393,7 +393,7 @@ static struct platform_driver ds1286_platform_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= ds1286_probe,
-	.remove		= __devexit_p(ds1286_remove),
+	.remove		= ds1286_remove,
 };
 
 module_platform_driver(ds1286_platform_driver);
diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c
index f0d63892264..fdbcdb289d6 100644
--- a/drivers/rtc/rtc-ds1302.c
+++ b/drivers/rtc/rtc-ds1302.c
@@ -234,7 +234,7 @@ static int __init ds1302_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __devexit ds1302_rtc_remove(struct platform_device *pdev)
+static int ds1302_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(pdev);
 
@@ -249,7 +249,7 @@ static struct platform_driver ds1302_platform_driver = {
 		.name	= DRV_NAME,
 		.owner	= THIS_MODULE,
 	},
-	.remove		= __devexit_p(ds1302_rtc_remove),
+	.remove		= ds1302_rtc_remove,
 };
 
 static int __init ds1302_rtc_init(void)
diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index 686a865913e..b05a6dc9640 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -601,7 +601,7 @@ static struct bin_attribute nvram = {
  * Interface to SPI stack
  */
 
-static int __devinit ds1305_probe(struct spi_device *spi)
+static int ds1305_probe(struct spi_device *spi)
 {
 	struct ds1305			*ds1305;
 	int				status;
@@ -635,9 +635,7 @@ static int __devinit ds1305_probe(struct spi_device *spi)
 		goto fail0;
 	}
 
-	dev_dbg(&spi->dev, "ctrl %s: %02x %02x %02x\n",
-			"read", ds1305->ctrl[0],
-			ds1305->ctrl[1], ds1305->ctrl[2]);
+	dev_dbg(&spi->dev, "ctrl %s: %3ph\n", "read", ds1305->ctrl);
 
 	/* Sanity check register values ... partially compensating for the
 	 * fact that SPI has no device handshake.  A pullup on MISO would
@@ -723,9 +721,7 @@ static int __devinit ds1305_probe(struct spi_device *spi)
 			goto fail0;
 		}
 
-		dev_dbg(&spi->dev, "ctrl %s: %02x %02x %02x\n",
-				"write", ds1305->ctrl[0],
-				ds1305->ctrl[1], ds1305->ctrl[2]);
+		dev_dbg(&spi->dev, "ctrl %s: %3ph\n", "write", ds1305->ctrl);
 	}
 
 	/* see if non-Linux software set up AM/PM mode */
@@ -787,7 +783,7 @@ fail0:
 	return status;
 }
 
-static int __devexit ds1305_remove(struct spi_device *spi)
+static int ds1305_remove(struct spi_device *spi)
 {
 	struct ds1305 *ds1305 = spi_get_drvdata(spi);
 
@@ -810,7 +806,7 @@ static struct spi_driver ds1305_driver = {
 	.driver.name	= "rtc-ds1305",
 	.driver.owner	= THIS_MODULE,
 	.probe		= ds1305_probe,
-	.remove		= __devexit_p(ds1305_remove),
+	.remove		= ds1305_remove,
 	/* REVISIT add suspend/resume */
 };
 
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 836710ce750..970a236b147 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -322,12 +322,7 @@ static int ds1307_get_time(struct device *dev, struct rtc_time *t)
 		return -EIO;
 	}
 
-	dev_dbg(dev, "%s: %02x %02x %02x %02x %02x %02x %02x\n",
-			"read",
-			ds1307->regs[0], ds1307->regs[1],
-			ds1307->regs[2], ds1307->regs[3],
-			ds1307->regs[4], ds1307->regs[5],
-			ds1307->regs[6]);
+	dev_dbg(dev, "%s: %7ph\n", "read", ds1307->regs);
 
 	t->tm_sec = bcd2bin(ds1307->regs[DS1307_REG_SECS] & 0x7f);
 	t->tm_min = bcd2bin(ds1307->regs[DS1307_REG_MIN] & 0x7f);
@@ -398,9 +393,7 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t)
 		break;
 	}
 
-	dev_dbg(dev, "%s: %02x %02x %02x %02x %02x %02x %02x\n",
-		"write", buf[0], buf[1], buf[2], buf[3],
-		buf[4], buf[5], buf[6]);
+	dev_dbg(dev, "%s: %7ph\n", "write", buf);
 
 	result = ds1307->write_block_data(ds1307->client,
 		ds1307->offset, 7, buf);
@@ -617,8 +610,8 @@ ds1307_nvram_write(struct file *filp, struct kobject *kobj,
 
 /*----------------------------------------------------------------------*/
 
-static int __devinit ds1307_probe(struct i2c_client *client,
-				  const struct i2c_device_id *id)
+static int ds1307_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
 	struct ds1307		*ds1307;
 	int			err = -ENODEV;
@@ -938,7 +931,7 @@ exit_free:
 	return err;
 }
 
-static int __devexit ds1307_remove(struct i2c_client *client)
+static int ds1307_remove(struct i2c_client *client)
 {
 	struct ds1307 *ds1307 = i2c_get_clientdata(client);
 
@@ -963,7 +956,7 @@ static struct i2c_driver ds1307_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= ds1307_probe,
-	.remove		= __devexit_p(ds1307_remove),
+	.remove		= ds1307_remove,
 	.id_table	= ds1307_id,
 };
 
diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c
index 966316088b7..fef76868aae 100644
--- a/drivers/rtc/rtc-ds1374.c
+++ b/drivers/rtc/rtc-ds1374.c
@@ -391,7 +391,7 @@ out_free:
 	return ret;
 }
 
-static int __devexit ds1374_remove(struct i2c_client *client)
+static int ds1374_remove(struct i2c_client *client)
 {
 	struct ds1374 *ds1374 = i2c_get_clientdata(client);
 
@@ -442,7 +442,7 @@ static struct i2c_driver ds1374_driver = {
 		.pm = DS1374_PM,
 	},
 	.probe = ds1374_probe,
-	.remove = __devexit_p(ds1374_remove),
+	.remove = ds1374_remove,
 	.id_table = ds1374_id,
 };
 
diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c
index b0a99e1b25b..f994257981a 100644
--- a/drivers/rtc/rtc-ds1390.c
+++ b/drivers/rtc/rtc-ds1390.c
@@ -121,7 +121,7 @@ static const struct rtc_class_ops ds1390_rtc_ops = {
 	.set_time	= ds1390_set_time,
 };
 
-static int __devinit ds1390_probe(struct spi_device *spi)
+static int ds1390_probe(struct spi_device *spi)
 {
 	unsigned char tmp;
 	struct ds1390 *chip;
@@ -156,7 +156,7 @@ static int __devinit ds1390_probe(struct spi_device *spi)
 	return res;
 }
 
-static int __devexit ds1390_remove(struct spi_device *spi)
+static int ds1390_remove(struct spi_device *spi)
 {
 	struct ds1390 *chip = spi_get_drvdata(spi);
 
@@ -172,7 +172,7 @@ static struct spi_driver ds1390_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe	= ds1390_probe,
-	.remove = __devexit_p(ds1390_remove),
+	.remove = ds1390_remove,
 };
 
 module_spi_driver(ds1390_driver);
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 1f675f5294f..6a3fcfe3b0e 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -476,8 +476,7 @@ static struct bin_attribute ds1511_nvram_attr = {
 	.write = ds1511_nvram_write,
 };
 
- static int __devinit
-ds1511_rtc_probe(struct platform_device *pdev)
+static int ds1511_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 	struct resource *res;
@@ -551,8 +550,7 @@ ds1511_rtc_probe(struct platform_device *pdev)
 	return ret;
 }
 
- static int __devexit
-ds1511_rtc_remove(struct platform_device *pdev)
+static int ds1511_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
@@ -573,7 +571,7 @@ MODULE_ALIAS("platform:ds1511");
 
 static struct platform_driver ds1511_rtc_driver = {
 	.probe		= ds1511_rtc_probe,
-	.remove		= __devexit_p(ds1511_rtc_remove),
+	.remove		= ds1511_rtc_remove,
 	.driver		= {
 		.name	= "ds1511",
 		.owner	= THIS_MODULE,
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 6ccedbbf923..25ce0621ade 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -276,7 +276,7 @@ static struct bin_attribute ds1553_nvram_attr = {
 	.write = ds1553_nvram_write,
 };
 
-static int __devinit ds1553_rtc_probe(struct platform_device *pdev)
+static int ds1553_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 	struct resource *res;
@@ -338,7 +338,7 @@ static int __devinit ds1553_rtc_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int __devexit ds1553_rtc_remove(struct platform_device *pdev)
+static int ds1553_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
@@ -354,7 +354,7 @@ MODULE_ALIAS("platform:rtc-ds1553");
 
 static struct platform_driver ds1553_rtc_driver = {
 	.probe		= ds1553_rtc_probe,
-	.remove		= __devexit_p(ds1553_rtc_remove),
+	.remove		= ds1553_rtc_remove,
 	.driver		= {
 		.name	= "rtc-ds1553",
 		.owner	= THIS_MODULE,
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 76112667c50..609c870e2cc 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -159,7 +159,7 @@ static ssize_t ds1742_nvram_write(struct file *filp, struct kobject *kobj,
 	return count;
 }
 
-static int __devinit ds1742_rtc_probe(struct platform_device *pdev)
+static int ds1742_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 	struct resource *res;
@@ -222,7 +222,7 @@ static int __devinit ds1742_rtc_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int __devexit ds1742_rtc_remove(struct platform_device *pdev)
+static int ds1742_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
@@ -233,7 +233,7 @@ static int __devexit ds1742_rtc_remove(struct platform_device *pdev)
 
 static struct platform_driver ds1742_rtc_driver = {
 	.probe		= ds1742_rtc_probe,
-	.remove		= __devexit_p(ds1742_rtc_remove),
+	.remove		= ds1742_rtc_remove,
 	.driver		= {
 		.name	= "rtc-ds1742",
 		.owner	= THIS_MODULE,
diff --git a/drivers/rtc/rtc-ds2404.c b/drivers/rtc/rtc-ds2404.c
index 5ea9df7c8c3..b04fc4272fb 100644
--- a/drivers/rtc/rtc-ds2404.c
+++ b/drivers/rtc/rtc-ds2404.c
@@ -70,7 +70,7 @@ static int ds2404_gpio_map(struct ds2404 *chip, struct platform_device *pdev,
 	for (i = 0; i < ARRAY_SIZE(ds2404_gpio); i++) {
 		err = gpio_request(ds2404_gpio[i].gpio, ds2404_gpio[i].name);
 		if (err) {
-			printk(KERN_ERR "error mapping gpio %s: %d\n",
+			dev_err(&pdev->dev, "error mapping gpio %s: %d\n",
 				ds2404_gpio[i].name, err);
 			goto err_request;
 		}
@@ -177,7 +177,7 @@ static void ds2404_write_memory(struct device *dev, u16 offset,
 
 	for (i = 0; i < length; i++) {
 		if (out[i] != ds2404_read_byte(dev)) {
-			printk(KERN_ERR "read invalid data\n");
+			dev_err(dev, "read invalid data\n");
 			return;
 		}
 	}
@@ -283,19 +283,7 @@ static struct platform_driver rtc_device_driver = {
 		.owner	= THIS_MODULE,
 	},
 };
-
-static __init int ds2404_init(void)
-{
-	return platform_driver_register(&rtc_device_driver);
-}
-
-static __exit void ds2404_exit(void)
-{
-	platform_driver_unregister(&rtc_device_driver);
-}
-
-module_init(ds2404_init);
-module_exit(ds2404_exit);
+module_platform_driver(rtc_device_driver);
 
 MODULE_DESCRIPTION("DS2404 RTC");
 MODULE_AUTHOR("Sven Schnelle");
diff --git a/drivers/rtc/rtc-ds3232.c b/drivers/rtc/rtc-ds3232.c
index e1945095814..db0ca08db31 100644
--- a/drivers/rtc/rtc-ds3232.c
+++ b/drivers/rtc/rtc-ds3232.c
@@ -391,8 +391,8 @@ static const struct rtc_class_ops ds3232_rtc_ops = {
 	.alarm_irq_enable = ds3232_alarm_irq_enable,
 };
 
-static int __devinit ds3232_probe(struct i2c_client *client,
-		const struct i2c_device_id *id)
+static int ds3232_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
 	struct ds3232 *ds3232;
 	int ret;
@@ -439,7 +439,7 @@ out_free:
 	return ret;
 }
 
-static int __devexit ds3232_remove(struct i2c_client *client)
+static int ds3232_remove(struct i2c_client *client)
 {
 	struct ds3232 *ds3232 = i2c_get_clientdata(client);
 
@@ -469,7 +469,7 @@ static struct i2c_driver ds3232_driver = {
 		.owner = THIS_MODULE,
 	},
 	.probe = ds3232_probe,
-	.remove = __devexit_p(ds3232_remove),
+	.remove = ds3232_remove,
 	.id_table = ds3232_id,
 };
 
diff --git a/drivers/rtc/rtc-ds3234.c b/drivers/rtc/rtc-ds3234.c
index fda707926f0..7a4495ef1c3 100644
--- a/drivers/rtc/rtc-ds3234.c
+++ b/drivers/rtc/rtc-ds3234.c
@@ -105,7 +105,7 @@ static const struct rtc_class_ops ds3234_rtc_ops = {
 	.set_time	= ds3234_set_time,
 };
 
-static int __devinit ds3234_probe(struct spi_device *spi)
+static int ds3234_probe(struct spi_device *spi)
 {
 	struct rtc_device *rtc;
 	unsigned char tmp;
@@ -156,7 +156,7 @@ static int __devinit ds3234_probe(struct spi_device *spi)
 	return 0;
 }
 
-static int __devexit ds3234_remove(struct spi_device *spi)
+static int ds3234_remove(struct spi_device *spi)
 {
 	struct rtc_device *rtc = spi_get_drvdata(spi);
 
@@ -170,7 +170,7 @@ static struct spi_driver ds3234_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe	 = ds3234_probe,
-	.remove = __devexit_p(ds3234_remove),
+	.remove = ds3234_remove,
 };
 
 module_spi_driver(ds3234_driver);
diff --git a/drivers/rtc/rtc-efi.c b/drivers/rtc/rtc-efi.c
index c9f890b088d..1a0c37c9152 100644
--- a/drivers/rtc/rtc-efi.c
+++ b/drivers/rtc/rtc-efi.c
@@ -13,6 +13,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/time.h>
@@ -47,7 +49,7 @@ compute_wday(efi_time_t *eft)
 	int ndays = 0;
 
 	if (eft->year < 1998) {
-		printk(KERN_ERR "efirtc: EFI year < 1998, invalid date\n");
+		pr_err("EFI year < 1998, invalid date\n");
 		return -1;
 	}
 
@@ -70,7 +72,7 @@ convert_to_efi_time(struct rtc_time *wtime, efi_time_t *eft)
 	eft->day	= wtime->tm_mday;
 	eft->hour	= wtime->tm_hour;
 	eft->minute	= wtime->tm_min;
-	eft->second 	= wtime->tm_sec;
+	eft->second	= wtime->tm_sec;
 	eft->nanosecond = 0;
 	eft->daylight	= wtime->tm_isdst ? EFI_ISDST : 0;
 	eft->timezone	= EFI_UNSPECIFIED_TIMEZONE;
@@ -142,7 +144,7 @@ static int efi_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm)
 	 */
 	status = efi.set_wakeup_time((efi_bool_t)wkalrm->enabled, &eft);
 
-	printk(KERN_WARNING "write status is %d\n", (int)status);
+	dev_warn(dev, "write status is %d\n", (int)status);
 
 	return status == EFI_SUCCESS ? 0 : -EINVAL;
 }
@@ -157,7 +159,7 @@ static int efi_read_time(struct device *dev, struct rtc_time *tm)
 
 	if (status != EFI_SUCCESS) {
 		/* should never happen */
-		printk(KERN_ERR "efitime: can't read time\n");
+		dev_err(dev, "can't read time\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c
index 9602278ff98..1a4e5e4a70c 100644
--- a/drivers/rtc/rtc-ep93xx.c
+++ b/drivers/rtc/rtc-ep93xx.c
@@ -127,7 +127,7 @@ static const struct attribute_group ep93xx_rtc_sysfs_files = {
 	.attrs	= ep93xx_rtc_attrs,
 };
 
-static int __devinit ep93xx_rtc_probe(struct platform_device *pdev)
+static int ep93xx_rtc_probe(struct platform_device *pdev)
 {
 	struct ep93xx_rtc *ep93xx_rtc;
 	struct resource *res;
@@ -174,7 +174,7 @@ exit:
 	return err;
 }
 
-static int __devexit ep93xx_rtc_remove(struct platform_device *pdev)
+static int ep93xx_rtc_remove(struct platform_device *pdev)
 {
 	struct ep93xx_rtc *ep93xx_rtc = platform_get_drvdata(pdev);
 
@@ -192,7 +192,7 @@ static struct platform_driver ep93xx_rtc_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= ep93xx_rtc_probe,
-	.remove		= __devexit_p(ep93xx_rtc_remove),
+	.remove		= ep93xx_rtc_remove,
 };
 
 module_platform_driver(ep93xx_rtc_driver);
diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c
index 86b6ecce99f..bff3cdc5140 100644
--- a/drivers/rtc/rtc-fm3130.c
+++ b/drivers/rtc/rtc-fm3130.c
@@ -116,17 +116,7 @@ static int fm3130_get_time(struct device *dev, struct rtc_time *t)
 
 	fm3130_rtc_mode(dev, FM3130_MODE_NORMAL);
 
-	dev_dbg(dev, "%s: %02x %02x %02x %02x %02x %02x %02x %02x"
-			"%02x %02x %02x %02x %02x %02x %02x\n",
-			"read",
-			fm3130->regs[0], fm3130->regs[1],
-			fm3130->regs[2], fm3130->regs[3],
-			fm3130->regs[4], fm3130->regs[5],
-			fm3130->regs[6], fm3130->regs[7],
-			fm3130->regs[8], fm3130->regs[9],
-			fm3130->regs[0xa], fm3130->regs[0xb],
-			fm3130->regs[0xc], fm3130->regs[0xd],
-			fm3130->regs[0xe]);
+	dev_dbg(dev, "%s: %15ph\n", "read", fm3130->regs);
 
 	t->tm_sec = bcd2bin(fm3130->regs[FM3130_RTC_SECONDS] & 0x7f);
 	t->tm_min = bcd2bin(fm3130->regs[FM3130_RTC_MINUTES] & 0x7f);
@@ -175,12 +165,7 @@ static int fm3130_set_time(struct device *dev, struct rtc_time *t)
 	tmp = t->tm_year - 100;
 	buf[FM3130_RTC_YEARS] = bin2bcd(tmp);
 
-	dev_dbg(dev, "%s: %02x %02x %02x %02x %02x %02x %02x"
-		"%02x %02x %02x %02x %02x %02x %02x %02x\n",
-		"write", buf[0], buf[1], buf[2], buf[3],
-		buf[4], buf[5], buf[6], buf[7],
-		buf[8], buf[9], buf[0xa], buf[0xb],
-		buf[0xc], buf[0xd], buf[0xe]);
+	dev_dbg(dev, "%s: %15ph\n", "write", buf);
 
 	fm3130_rtc_mode(dev, FM3130_MODE_WRITE);
 
@@ -361,8 +346,8 @@ static const struct rtc_class_ops fm3130_rtc_ops = {
 
 static struct i2c_driver fm3130_driver;
 
-static int __devinit fm3130_probe(struct i2c_client *client,
-				  const struct i2c_device_id *id)
+static int fm3130_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
 	struct fm3130		*fm3130;
 	int			err = -ENODEV;
@@ -517,18 +502,8 @@ bad_alarm:
 bad_clock:
 
 	if (!fm3130->data_valid || !fm3130->alarm_valid)
-		dev_dbg(&client->dev,
-				"%s: %02x %02x %02x %02x %02x %02x %02x %02x"
-				"%02x %02x %02x %02x %02x %02x %02x\n",
-			"bogus registers",
-			fm3130->regs[0], fm3130->regs[1],
-			fm3130->regs[2], fm3130->regs[3],
-			fm3130->regs[4], fm3130->regs[5],
-			fm3130->regs[6], fm3130->regs[7],
-			fm3130->regs[8], fm3130->regs[9],
-			fm3130->regs[0xa], fm3130->regs[0xb],
-			fm3130->regs[0xc], fm3130->regs[0xd],
-			fm3130->regs[0xe]);
+		dev_dbg(&client->dev, "%s: %15ph\n", "bogus registers",
+			fm3130->regs);
 
 	/* We won't bail out here because we just got invalid data.
 	   Time setting from u-boot doesn't work anyway */
@@ -546,7 +521,7 @@ exit_free:
 	return err;
 }
 
-static int __devexit fm3130_remove(struct i2c_client *client)
+static int fm3130_remove(struct i2c_client *client)
 {
 	struct fm3130 *fm3130 = i2c_get_clientdata(client);
 
@@ -561,7 +536,7 @@ static struct i2c_driver fm3130_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= fm3130_probe,
-	.remove		= __devexit_p(fm3130_remove),
+	.remove		= fm3130_remove,
 	.id_table	= fm3130_id,
 };
 
diff --git a/drivers/rtc/rtc-hid-sensor-time.c b/drivers/rtc/rtc-hid-sensor-time.c
new file mode 100644
index 00000000000..31c5728ef62
--- /dev/null
+++ b/drivers/rtc/rtc-hid-sensor-time.c
@@ -0,0 +1,292 @@
+/*
+ * HID Sensor Time Driver
+ * Copyright (c) 2012, Alexander Holler.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/hid-sensor-hub.h>
+#include <linux/iio/iio.h>
+#include <linux/rtc.h>
+
+/* Format: HID-SENSOR-usage_id_in_hex */
+/* Usage ID from spec for Time: 0x2000A0 */
+#define DRIVER_NAME "HID-SENSOR-2000a0" /* must be lowercase */
+
+enum hid_time_channel {
+	CHANNEL_SCAN_INDEX_YEAR,
+	CHANNEL_SCAN_INDEX_MONTH,
+	CHANNEL_SCAN_INDEX_DAY,
+	CHANNEL_SCAN_INDEX_HOUR,
+	CHANNEL_SCAN_INDEX_MINUTE,
+	CHANNEL_SCAN_INDEX_SECOND,
+	TIME_RTC_CHANNEL_MAX,
+};
+
+struct hid_time_state {
+	struct hid_sensor_hub_callbacks callbacks;
+	struct hid_sensor_common common_attributes;
+	struct hid_sensor_hub_attribute_info info[TIME_RTC_CHANNEL_MAX];
+	struct rtc_time last_time;
+	spinlock_t lock_last_time;
+	struct completion comp_last_time;
+	struct rtc_time time_buf;
+	struct rtc_device *rtc;
+};
+
+static const u32 hid_time_addresses[TIME_RTC_CHANNEL_MAX] = {
+	HID_USAGE_SENSOR_TIME_YEAR,
+	HID_USAGE_SENSOR_TIME_MONTH,
+	HID_USAGE_SENSOR_TIME_DAY,
+	HID_USAGE_SENSOR_TIME_HOUR,
+	HID_USAGE_SENSOR_TIME_MINUTE,
+	HID_USAGE_SENSOR_TIME_SECOND,
+};
+
+/* Channel names for verbose error messages */
+static const char * const hid_time_channel_names[TIME_RTC_CHANNEL_MAX] = {
+	"year", "month", "day", "hour", "minute", "second",
+};
+
+/* Callback handler to send event after all samples are received and captured */
+static int hid_time_proc_event(struct hid_sensor_hub_device *hsdev,
+				unsigned usage_id, void *priv)
+{
+	unsigned long flags;
+	struct hid_time_state *time_state = platform_get_drvdata(priv);
+
+	spin_lock_irqsave(&time_state->lock_last_time, flags);
+	time_state->last_time = time_state->time_buf;
+	spin_unlock_irqrestore(&time_state->lock_last_time, flags);
+	complete(&time_state->comp_last_time);
+	return 0;
+}
+
+static int hid_time_capture_sample(struct hid_sensor_hub_device *hsdev,
+				unsigned usage_id, size_t raw_len,
+				char *raw_data, void *priv)
+{
+	struct hid_time_state *time_state = platform_get_drvdata(priv);
+	struct rtc_time *time_buf = &time_state->time_buf;
+
+	switch (usage_id) {
+	case HID_USAGE_SENSOR_TIME_YEAR:
+		time_buf->tm_year = *(u8 *)raw_data;
+		if (time_buf->tm_year < 70)
+			/* assume we are in 1970...2069 */
+			time_buf->tm_year += 100;
+		break;
+	case HID_USAGE_SENSOR_TIME_MONTH:
+		/* sensor sending the month as 1-12, we need 0-11 */
+		time_buf->tm_mon = *(u8 *)raw_data-1;
+		break;
+	case HID_USAGE_SENSOR_TIME_DAY:
+		time_buf->tm_mday = *(u8 *)raw_data;
+		break;
+	case HID_USAGE_SENSOR_TIME_HOUR:
+		time_buf->tm_hour = *(u8 *)raw_data;
+		break;
+	case HID_USAGE_SENSOR_TIME_MINUTE:
+		time_buf->tm_min = *(u8 *)raw_data;
+		break;
+	case HID_USAGE_SENSOR_TIME_SECOND:
+		time_buf->tm_sec = *(u8 *)raw_data;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+/* small helper, haven't found any other way */
+static const char *hid_time_attrib_name(u32 attrib_id)
+{
+	static const char unknown[] = "unknown";
+	unsigned i;
+
+	for (i = 0; i < TIME_RTC_CHANNEL_MAX; ++i) {
+		if (hid_time_addresses[i] == attrib_id)
+			return hid_time_channel_names[i];
+	}
+	return unknown; /* should never happen */
+}
+
+static int hid_time_parse_report(struct platform_device *pdev,
+				struct hid_sensor_hub_device *hsdev,
+				unsigned usage_id,
+				struct hid_time_state *time_state)
+{
+	int report_id, i;
+
+	for (i = 0; i < TIME_RTC_CHANNEL_MAX; ++i)
+		if (sensor_hub_input_get_attribute_info(hsdev,
+				HID_INPUT_REPORT, usage_id,
+				hid_time_addresses[i],
+				&time_state->info[i]) < 0)
+			return -EINVAL;
+	/* Check the (needed) attributes for sanity */
+	report_id = time_state->info[0].report_id;
+	if (report_id < 0) {
+		dev_err(&pdev->dev, "bad report ID!\n");
+		return -EINVAL;
+	}
+	for (i = 0; i < TIME_RTC_CHANNEL_MAX; ++i) {
+		if (time_state->info[i].report_id != report_id) {
+			dev_err(&pdev->dev,
+				"not all needed attributes inside the same report!\n");
+			return -EINVAL;
+		}
+		if (time_state->info[i].size != 1) {
+			dev_err(&pdev->dev,
+				"attribute '%s' not 8 bits wide!\n",
+				hid_time_attrib_name(
+					time_state->info[i].attrib_id));
+			return -EINVAL;
+		}
+		if (time_state->info[i].units !=
+				HID_USAGE_SENSOR_UNITS_NOT_SPECIFIED &&
+				/* allow attribute seconds with unit seconds */
+				!(time_state->info[i].attrib_id ==
+				HID_USAGE_SENSOR_TIME_SECOND &&
+				time_state->info[i].units ==
+				HID_USAGE_SENSOR_UNITS_SECOND)) {
+			dev_err(&pdev->dev,
+				"attribute '%s' hasn't a unit of type 'none'!\n",
+				hid_time_attrib_name(
+					time_state->info[i].attrib_id));
+			return -EINVAL;
+		}
+		if (time_state->info[i].unit_expo) {
+			dev_err(&pdev->dev,
+				"attribute '%s' hasn't a unit exponent of 1!\n",
+				hid_time_attrib_name(
+					time_state->info[i].attrib_id));
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+static int hid_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	unsigned long flags;
+	struct hid_time_state *time_state =
+		platform_get_drvdata(to_platform_device(dev));
+	int ret;
+
+	INIT_COMPLETION(time_state->comp_last_time);
+	/* get a report with all values through requesting one value */
+	sensor_hub_input_attr_get_raw_value(time_state->common_attributes.hsdev,
+			HID_USAGE_SENSOR_TIME, hid_time_addresses[0],
+			time_state->info[0].report_id);
+	/* wait for all values (event) */
+	ret = wait_for_completion_killable_timeout(
+			&time_state->comp_last_time, HZ*6);
+	if (ret > 0) {
+		/* no error */
+		spin_lock_irqsave(&time_state->lock_last_time, flags);
+		*tm = time_state->last_time;
+		spin_unlock_irqrestore(&time_state->lock_last_time, flags);
+		return 0;
+	}
+	if (!ret)
+		return -EIO; /* timeouted */
+	return ret; /* killed (-ERESTARTSYS) */
+}
+
+static const struct rtc_class_ops hid_time_rtc_ops = {
+	.read_time = hid_rtc_read_time,
+};
+
+static int hid_time_probe(struct platform_device *pdev)
+{
+	int ret = 0;
+	struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
+	struct hid_time_state *time_state = devm_kzalloc(&pdev->dev,
+		sizeof(struct hid_time_state), GFP_KERNEL);
+
+	if (time_state == NULL)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, time_state);
+
+	spin_lock_init(&time_state->lock_last_time);
+	init_completion(&time_state->comp_last_time);
+	time_state->common_attributes.hsdev = hsdev;
+	time_state->common_attributes.pdev = pdev;
+
+	ret = hid_sensor_parse_common_attributes(hsdev,
+				HID_USAGE_SENSOR_TIME,
+				&time_state->common_attributes);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to setup common attributes!\n");
+		return ret;
+	}
+
+	ret = hid_time_parse_report(pdev, hsdev, HID_USAGE_SENSOR_TIME,
+					time_state);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to setup attributes!\n");
+		return ret;
+	}
+
+	time_state->callbacks.send_event = hid_time_proc_event;
+	time_state->callbacks.capture_sample = hid_time_capture_sample;
+	time_state->callbacks.pdev = pdev;
+	ret = sensor_hub_register_callback(hsdev, HID_USAGE_SENSOR_TIME,
+					&time_state->callbacks);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "register callback failed!\n");
+		return ret;
+	}
+
+	time_state->rtc = rtc_device_register("hid-sensor-time",
+				&pdev->dev, &hid_time_rtc_ops, THIS_MODULE);
+
+	if (IS_ERR(time_state->rtc)) {
+		dev_err(&pdev->dev, "rtc device register failed!\n");
+		return PTR_ERR(time_state->rtc);
+	}
+
+	return ret;
+}
+
+static int hid_time_remove(struct platform_device *pdev)
+{
+	struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
+	struct hid_time_state *time_state = platform_get_drvdata(pdev);
+
+	rtc_device_unregister(time_state->rtc);
+	sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_TIME);
+
+	return 0;
+}
+
+static struct platform_driver hid_time_platform_driver = {
+	.driver = {
+		.name	= DRIVER_NAME,
+		.owner	= THIS_MODULE,
+	},
+	.probe		= hid_time_probe,
+	.remove		= hid_time_remove,
+};
+module_platform_driver(hid_time_platform_driver);
+
+MODULE_DESCRIPTION("HID Sensor Time");
+MODULE_AUTHOR("Alexander Holler <holler@ahsoftware.de>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index 4eed51044c5..82aad695979 100644
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -36,7 +36,9 @@
 #include <linux/platform_device.h>
 #include <linux/rtc.h>
 #include <linux/sched.h>
+#include <linux/spinlock.h>
 #include <linux/workqueue.h>
+#include <linux/of.h>
 
 /* DryIce Register Definitions */
 
@@ -404,7 +406,7 @@ static int dryice_rtc_probe(struct platform_device *pdev)
 
 	mutex_init(&imxdi->write_mutex);
 
-	imxdi->clk = clk_get(&pdev->dev, NULL);
+	imxdi->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(imxdi->clk))
 		return PTR_ERR(imxdi->clk);
 	clk_prepare_enable(imxdi->clk);
@@ -473,12 +475,11 @@ static int dryice_rtc_probe(struct platform_device *pdev)
 
 err:
 	clk_disable_unprepare(imxdi->clk);
-	clk_put(imxdi->clk);
 
 	return rc;
 }
 
-static int __devexit dryice_rtc_remove(struct platform_device *pdev)
+static int dryice_rtc_remove(struct platform_device *pdev)
 {
 	struct imxdi_dev *imxdi = platform_get_drvdata(pdev);
 
@@ -490,17 +491,26 @@ static int __devexit dryice_rtc_remove(struct platform_device *pdev)
 	rtc_device_unregister(imxdi->rtc);
 
 	clk_disable_unprepare(imxdi->clk);
-	clk_put(imxdi->clk);
 
 	return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id dryice_dt_ids[] = {
+	{ .compatible = "fsl,imx25-rtc" },
+	{ /* sentinel */ }
+};
+
+MODULE_DEVICE_TABLE(of, dryice_dt_ids);
+#endif
+
 static struct platform_driver dryice_rtc_driver = {
 	.driver = {
 		   .name = "imxdi_rtc",
 		   .owner = THIS_MODULE,
+		   .of_match_table = of_match_ptr(dryice_dt_ids),
 		   },
-	.remove = __devexit_p(dryice_rtc_remove),
+	.remove = dryice_rtc_remove,
 };
 
 static int __init dryice_rtc_init(void)
diff --git a/drivers/rtc/rtc-isl12022.c b/drivers/rtc/rtc-isl12022.c
index 1850104705c..6b4298ea683 100644
--- a/drivers/rtc/rtc-isl12022.c
+++ b/drivers/rtc/rtc-isl12022.c
@@ -227,7 +227,7 @@ static int isl12022_set_datetime(struct i2c_client *client, struct rtc_time *tm)
 					 buf[ISL12022_REG_SC + i]);
 		if (ret)
 			return -EIO;
-	};
+	}
 
 	return 0;
 }
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index 26c81f23360..c016ad81767 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -118,7 +118,7 @@ isl1208_i2c_set_regs(struct i2c_client *client, u8 reg, u8 const buf[],
 	return ret;
 }
 
-/* simple check to see wether we have a isl1208 */
+/* simple check to see whether we have a isl1208 */
 static int
 isl1208_i2c_validate_client(struct i2c_client *client)
 {
@@ -506,6 +506,7 @@ isl1208_rtc_interrupt(int irq, void *data)
 {
 	unsigned long timeout = jiffies + msecs_to_jiffies(1000);
 	struct i2c_client *client = data;
+	struct rtc_device *rtc = i2c_get_clientdata(client);
 	int handled = 0, sr, err;
 
 	/*
@@ -528,6 +529,8 @@ isl1208_rtc_interrupt(int irq, void *data)
 	if (sr & ISL1208_REG_SR_ALM) {
 		dev_dbg(&client->dev, "alarm!\n");
 
+		rtc_update_irq(rtc, 1, RTC_IRQF | RTC_AF);
+
 		/* Clear the alarm */
 		sr &= ~ISL1208_REG_SR_ALM;
 		sr = i2c_smbus_write_byte_data(client, ISL1208_REG_SR, sr);
diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index 1224182d3ea..1e48686ca6d 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c
@@ -210,7 +210,7 @@ void jz4740_rtc_poweroff(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(jz4740_rtc_poweroff);
 
-static int __devinit jz4740_rtc_probe(struct platform_device *pdev)
+static int jz4740_rtc_probe(struct platform_device *pdev)
 {
 	int ret;
 	struct jz4740_rtc *rtc;
@@ -297,7 +297,7 @@ err_free:
 	return ret;
 }
 
-static int __devexit jz4740_rtc_remove(struct platform_device *pdev)
+static int jz4740_rtc_remove(struct platform_device *pdev)
 {
 	struct jz4740_rtc *rtc = platform_get_drvdata(pdev);
 
@@ -347,7 +347,7 @@ static const struct dev_pm_ops jz4740_pm_ops = {
 
 static struct platform_driver jz4740_rtc_driver = {
 	.probe	 = jz4740_rtc_probe,
-	.remove	 = __devexit_p(jz4740_rtc_remove),
+	.remove	 = jz4740_rtc_remove,
 	.driver	 = {
 		.name  = "jz4740-rtc",
 		.owner = THIS_MODULE,
diff --git a/drivers/rtc/rtc-lp8788.c b/drivers/rtc/rtc-lp8788.c
new file mode 100644
index 00000000000..9a4631218f4
--- /dev/null
+++ b/drivers/rtc/rtc-lp8788.c
@@ -0,0 +1,338 @@
+/*
+ * TI LP8788 MFD - rtc driver
+ *
+ * Copyright 2012 Texas Instruments
+ *
+ * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/err.h>
+#include <linux/irqdomain.h>
+#include <linux/mfd/lp8788.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+#include <linux/slab.h>
+
+/* register address */
+#define LP8788_INTEN_3			0x05
+#define LP8788_RTC_UNLOCK		0x64
+#define LP8788_RTC_SEC			0x70
+#define LP8788_ALM1_SEC			0x77
+#define LP8788_ALM1_EN			0x7D
+#define LP8788_ALM2_SEC			0x7E
+#define LP8788_ALM2_EN			0x84
+
+/* mask/shift bits */
+#define LP8788_INT_RTC_ALM1_M		BIT(1)	/* Addr 05h */
+#define LP8788_INT_RTC_ALM1_S		1
+#define LP8788_INT_RTC_ALM2_M		BIT(2)	/* Addr 05h */
+#define LP8788_INT_RTC_ALM2_S		2
+#define LP8788_ALM_EN_M			BIT(7)	/* Addr 7Dh or 84h */
+#define LP8788_ALM_EN_S			7
+
+#define DEFAULT_ALARM_SEL		LP8788_ALARM_1
+#define LP8788_MONTH_OFFSET		1
+#define LP8788_BASE_YEAR		2000
+#define MAX_WDAY_BITS			7
+#define LP8788_WDAY_SET			1
+#define RTC_UNLOCK			0x1
+#define RTC_LATCH			0x2
+#define ALARM_IRQ_FLAG			(RTC_IRQF | RTC_AF)
+
+enum lp8788_time {
+	LPTIME_SEC,
+	LPTIME_MIN,
+	LPTIME_HOUR,
+	LPTIME_MDAY,
+	LPTIME_MON,
+	LPTIME_YEAR,
+	LPTIME_WDAY,
+	LPTIME_MAX,
+};
+
+struct lp8788_rtc {
+	struct lp8788 *lp;
+	struct rtc_device *rdev;
+	enum lp8788_alarm_sel alarm;
+	int irq;
+};
+
+static const u8 addr_alarm_sec[LP8788_ALARM_MAX] = {
+	LP8788_ALM1_SEC,
+	LP8788_ALM2_SEC,
+};
+
+static const u8 addr_alarm_en[LP8788_ALARM_MAX] = {
+	LP8788_ALM1_EN,
+	LP8788_ALM2_EN,
+};
+
+static const u8 mask_alarm_en[LP8788_ALARM_MAX] = {
+	LP8788_INT_RTC_ALM1_M,
+	LP8788_INT_RTC_ALM2_M,
+};
+
+static const u8 shift_alarm_en[LP8788_ALARM_MAX] = {
+	LP8788_INT_RTC_ALM1_S,
+	LP8788_INT_RTC_ALM2_S,
+};
+
+static int _to_tm_wday(u8 lp8788_wday)
+{
+	int i;
+
+	if (lp8788_wday == 0)
+		return 0;
+
+	/* lookup defined weekday from read register value */
+	for (i = 0; i < MAX_WDAY_BITS; i++) {
+		if ((lp8788_wday >> i) == LP8788_WDAY_SET)
+			break;
+	}
+
+	return i + 1;
+}
+
+static inline int _to_lp8788_wday(int tm_wday)
+{
+	return LP8788_WDAY_SET << (tm_wday - 1);
+}
+
+static void lp8788_rtc_unlock(struct lp8788 *lp)
+{
+	lp8788_write_byte(lp, LP8788_RTC_UNLOCK, RTC_UNLOCK);
+	lp8788_write_byte(lp, LP8788_RTC_UNLOCK, RTC_LATCH);
+}
+
+static int lp8788_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct lp8788_rtc *rtc = dev_get_drvdata(dev);
+	struct lp8788 *lp = rtc->lp;
+	u8 data[LPTIME_MAX];
+	int ret;
+
+	lp8788_rtc_unlock(lp);
+
+	ret = lp8788_read_multi_bytes(lp, LP8788_RTC_SEC, data,	LPTIME_MAX);
+	if (ret)
+		return ret;
+
+	tm->tm_sec  = data[LPTIME_SEC];
+	tm->tm_min  = data[LPTIME_MIN];
+	tm->tm_hour = data[LPTIME_HOUR];
+	tm->tm_mday = data[LPTIME_MDAY];
+	tm->tm_mon  = data[LPTIME_MON] - LP8788_MONTH_OFFSET;
+	tm->tm_year = data[LPTIME_YEAR] + LP8788_BASE_YEAR - 1900;
+	tm->tm_wday = _to_tm_wday(data[LPTIME_WDAY]);
+
+	return 0;
+}
+
+static int lp8788_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct lp8788_rtc *rtc = dev_get_drvdata(dev);
+	struct lp8788 *lp = rtc->lp;
+	u8 data[LPTIME_MAX - 1];
+	int ret, i, year;
+
+	year = tm->tm_year + 1900 - LP8788_BASE_YEAR;
+	if (year < 0) {
+		dev_err(lp->dev, "invalid year: %d\n", year);
+		return -EINVAL;
+	}
+
+	/* because rtc weekday is a readonly register, do not update */
+	data[LPTIME_SEC]  = tm->tm_sec;
+	data[LPTIME_MIN]  = tm->tm_min;
+	data[LPTIME_HOUR] = tm->tm_hour;
+	data[LPTIME_MDAY] = tm->tm_mday;
+	data[LPTIME_MON]  = tm->tm_mon + LP8788_MONTH_OFFSET;
+	data[LPTIME_YEAR] = year;
+
+	for (i = 0; i < ARRAY_SIZE(data); i++) {
+		ret = lp8788_write_byte(lp, LP8788_RTC_SEC + i, data[i]);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int lp8788_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
+{
+	struct lp8788_rtc *rtc = dev_get_drvdata(dev);
+	struct lp8788 *lp = rtc->lp;
+	struct rtc_time *tm = &alarm->time;
+	u8 addr, data[LPTIME_MAX];
+	int ret;
+
+	addr = addr_alarm_sec[rtc->alarm];
+	ret = lp8788_read_multi_bytes(lp, addr, data, LPTIME_MAX);
+	if (ret)
+		return ret;
+
+	tm->tm_sec  = data[LPTIME_SEC];
+	tm->tm_min  = data[LPTIME_MIN];
+	tm->tm_hour = data[LPTIME_HOUR];
+	tm->tm_mday = data[LPTIME_MDAY];
+	tm->tm_mon  = data[LPTIME_MON] - LP8788_MONTH_OFFSET;
+	tm->tm_year = data[LPTIME_YEAR] + LP8788_BASE_YEAR - 1900;
+	tm->tm_wday = _to_tm_wday(data[LPTIME_WDAY]);
+	alarm->enabled = data[LPTIME_WDAY] & LP8788_ALM_EN_M;
+
+	return 0;
+}
+
+static int lp8788_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
+{
+	struct lp8788_rtc *rtc = dev_get_drvdata(dev);
+	struct lp8788 *lp = rtc->lp;
+	struct rtc_time *tm = &alarm->time;
+	u8 addr, data[LPTIME_MAX];
+	int ret, i, year;
+
+	year = tm->tm_year + 1900 - LP8788_BASE_YEAR;
+	if (year < 0) {
+		dev_err(lp->dev, "invalid year: %d\n", year);
+		return -EINVAL;
+	}
+
+	data[LPTIME_SEC]  = tm->tm_sec;
+	data[LPTIME_MIN]  = tm->tm_min;
+	data[LPTIME_HOUR] = tm->tm_hour;
+	data[LPTIME_MDAY] = tm->tm_mday;
+	data[LPTIME_MON]  = tm->tm_mon + LP8788_MONTH_OFFSET;
+	data[LPTIME_YEAR] = year;
+	data[LPTIME_WDAY] = _to_lp8788_wday(tm->tm_wday);
+
+	for (i = 0; i < ARRAY_SIZE(data); i++) {
+		addr = addr_alarm_sec[rtc->alarm] + i;
+		ret = lp8788_write_byte(lp, addr, data[i]);
+		if (ret)
+			return ret;
+	}
+
+	alarm->enabled = 1;
+	addr = addr_alarm_en[rtc->alarm];
+
+	return lp8788_update_bits(lp, addr, LP8788_ALM_EN_M,
+				alarm->enabled << LP8788_ALM_EN_S);
+}
+
+static int lp8788_alarm_irq_enable(struct device *dev, unsigned int enable)
+{
+	struct lp8788_rtc *rtc = dev_get_drvdata(dev);
+	struct lp8788 *lp = rtc->lp;
+	u8 mask, shift;
+
+	if (!rtc->irq)
+		return -EIO;
+
+	mask = mask_alarm_en[rtc->alarm];
+	shift = shift_alarm_en[rtc->alarm];
+
+	return lp8788_update_bits(lp, LP8788_INTEN_3, mask, enable << shift);
+}
+
+static const struct rtc_class_ops lp8788_rtc_ops = {
+	.read_time = lp8788_rtc_read_time,
+	.set_time = lp8788_rtc_set_time,
+	.read_alarm = lp8788_read_alarm,
+	.set_alarm = lp8788_set_alarm,
+	.alarm_irq_enable = lp8788_alarm_irq_enable,
+};
+
+static irqreturn_t lp8788_alarm_irq_handler(int irq, void *ptr)
+{
+	struct lp8788_rtc *rtc = ptr;
+
+	rtc_update_irq(rtc->rdev, 1, ALARM_IRQ_FLAG);
+	return IRQ_HANDLED;
+}
+
+static int lp8788_alarm_irq_register(struct platform_device *pdev,
+				struct lp8788_rtc *rtc)
+{
+	struct resource *r;
+	struct lp8788 *lp = rtc->lp;
+	struct irq_domain *irqdm = lp->irqdm;
+	int irq;
+
+	rtc->irq = 0;
+
+	/* even the alarm IRQ number is not specified, rtc time should work */
+	r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, LP8788_ALM_IRQ);
+	if (!r)
+		return 0;
+
+	if (rtc->alarm == LP8788_ALARM_1)
+		irq = r->start;
+	else
+		irq = r->end;
+
+	rtc->irq = irq_create_mapping(irqdm, irq);
+
+	return devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL,
+				lp8788_alarm_irq_handler,
+				0, LP8788_ALM_IRQ, rtc);
+}
+
+static int lp8788_rtc_probe(struct platform_device *pdev)
+{
+	struct lp8788 *lp = dev_get_drvdata(pdev->dev.parent);
+	struct lp8788_rtc *rtc;
+	struct device *dev = &pdev->dev;
+
+	rtc = devm_kzalloc(dev, sizeof(struct lp8788_rtc), GFP_KERNEL);
+	if (!rtc)
+		return -ENOMEM;
+
+	rtc->lp = lp;
+	rtc->alarm = lp->pdata ? lp->pdata->alarm_sel : DEFAULT_ALARM_SEL;
+	platform_set_drvdata(pdev, rtc);
+
+	device_init_wakeup(dev, 1);
+
+	rtc->rdev = rtc_device_register("lp8788_rtc", dev,
+					&lp8788_rtc_ops, THIS_MODULE);
+	if (IS_ERR(rtc->rdev)) {
+		dev_err(dev, "can not register rtc device\n");
+		return PTR_ERR(rtc->rdev);
+	}
+
+	if (lp8788_alarm_irq_register(pdev, rtc))
+		dev_warn(lp->dev, "no rtc irq handler\n");
+
+	return 0;
+}
+
+static int lp8788_rtc_remove(struct platform_device *pdev)
+{
+	struct lp8788_rtc *rtc = platform_get_drvdata(pdev);
+
+	rtc_device_unregister(rtc->rdev);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver lp8788_rtc_driver = {
+	.probe = lp8788_rtc_probe,
+	.remove = lp8788_rtc_remove,
+	.driver = {
+		.name = LP8788_DEV_RTC,
+		.owner = THIS_MODULE,
+	},
+};
+module_platform_driver(lp8788_rtc_driver);
+
+MODULE_DESCRIPTION("Texas Instruments LP8788 RTC Driver");
+MODULE_AUTHOR("Milo Kim");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:lp8788-rtc");
diff --git a/drivers/rtc/rtc-lpc32xx.c b/drivers/rtc/rtc-lpc32xx.c
index d5218553741..40a598332ba 100644
--- a/drivers/rtc/rtc-lpc32xx.c
+++ b/drivers/rtc/rtc-lpc32xx.c
@@ -197,7 +197,7 @@ static const struct rtc_class_ops lpc32xx_rtc_ops = {
 	.alarm_irq_enable	= lpc32xx_rtc_alarm_irq_enable,
 };
 
-static int __devinit lpc32xx_rtc_probe(struct platform_device *pdev)
+static int lpc32xx_rtc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct lpc32xx_rtc *rtc;
@@ -299,7 +299,7 @@ static int __devinit lpc32xx_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __devexit lpc32xx_rtc_remove(struct platform_device *pdev)
+static int lpc32xx_rtc_remove(struct platform_device *pdev)
 {
 	struct lpc32xx_rtc *rtc = platform_get_drvdata(pdev);
 
@@ -397,7 +397,7 @@ MODULE_DEVICE_TABLE(of, lpc32xx_rtc_match);
 
 static struct platform_driver lpc32xx_rtc_driver = {
 	.probe		= lpc32xx_rtc_probe,
-	.remove		= __devexit_p(lpc32xx_rtc_remove),
+	.remove		= lpc32xx_rtc_remove,
 	.driver = {
 		.name	= RTC_NAME,
 		.owner	= THIS_MODULE,
diff --git a/drivers/rtc/rtc-ls1x.c b/drivers/rtc/rtc-ls1x.c
index 07e81c5f824..f59b6349551 100644
--- a/drivers/rtc/rtc-ls1x.c
+++ b/drivers/rtc/rtc-ls1x.c
@@ -143,7 +143,7 @@ static struct rtc_class_ops  ls1x_rtc_ops = {
 	.set_time	= ls1x_rtc_set_time,
 };
 
-static int __devinit ls1x_rtc_probe(struct platform_device *pdev)
+static int ls1x_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtcdev;
 	unsigned long v;
@@ -185,7 +185,7 @@ err:
 	return ret;
 }
 
-static int __devexit ls1x_rtc_remove(struct platform_device *pdev)
+static int ls1x_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_device *rtcdev = platform_get_drvdata(pdev);
 
@@ -200,7 +200,7 @@ static struct platform_driver  ls1x_rtc_driver = {
 		.name	= "ls1x-rtc",
 		.owner	= THIS_MODULE,
 	},
-	.remove		= __devexit_p(ls1x_rtc_remove),
+	.remove		= ls1x_rtc_remove,
 	.probe		= ls1x_rtc_probe,
 };
 
diff --git a/drivers/rtc/rtc-m41t93.c b/drivers/rtc/rtc-m41t93.c
index efab3d48cb1..49169680786 100644
--- a/drivers/rtc/rtc-m41t93.c
+++ b/drivers/rtc/rtc-m41t93.c
@@ -170,7 +170,7 @@ static const struct rtc_class_ops m41t93_rtc_ops = {
 
 static struct spi_driver m41t93_driver;
 
-static int __devinit m41t93_probe(struct spi_device *spi)
+static int m41t93_probe(struct spi_device *spi)
 {
 	struct rtc_device *rtc;
 	int res;
@@ -195,7 +195,7 @@ static int __devinit m41t93_probe(struct spi_device *spi)
 }
 
 
-static int __devexit m41t93_remove(struct spi_device *spi)
+static int m41t93_remove(struct spi_device *spi)
 {
 	struct rtc_device *rtc = spi_get_drvdata(spi);
 
@@ -211,7 +211,7 @@ static struct spi_driver m41t93_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe	= m41t93_probe,
-	.remove = __devexit_p(m41t93_remove),
+	.remove = m41t93_remove,
 };
 
 module_spi_driver(m41t93_driver);
diff --git a/drivers/rtc/rtc-m41t94.c b/drivers/rtc/rtc-m41t94.c
index 6e78193e026..89266c6764b 100644
--- a/drivers/rtc/rtc-m41t94.c
+++ b/drivers/rtc/rtc-m41t94.c
@@ -110,7 +110,7 @@ static const struct rtc_class_ops m41t94_rtc_ops = {
 
 static struct spi_driver m41t94_driver;
 
-static int __devinit m41t94_probe(struct spi_device *spi)
+static int m41t94_probe(struct spi_device *spi)
 {
 	struct rtc_device *rtc;
 	int res;
@@ -134,7 +134,7 @@ static int __devinit m41t94_probe(struct spi_device *spi)
 	return 0;
 }
 
-static int __devexit m41t94_remove(struct spi_device *spi)
+static int m41t94_remove(struct spi_device *spi)
 {
 	struct rtc_device *rtc = spi_get_drvdata(spi);
 
@@ -150,7 +150,7 @@ static struct spi_driver m41t94_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe	= m41t94_probe,
-	.remove = __devexit_p(m41t94_remove),
+	.remove = m41t94_remove,
 };
 
 module_spi_driver(m41t94_driver);
diff --git a/drivers/rtc/rtc-m48t35.c b/drivers/rtc/rtc-m48t35.c
index f9e3b358373..31c9190a1fc 100644
--- a/drivers/rtc/rtc-m48t35.c
+++ b/drivers/rtc/rtc-m48t35.c
@@ -141,7 +141,7 @@ static const struct rtc_class_ops m48t35_ops = {
 	.set_time	= m48t35_set_time,
 };
 
-static int __devinit m48t35_probe(struct platform_device *pdev)
+static int m48t35_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct m48t35_priv *priv;
@@ -194,7 +194,7 @@ out:
 	return ret;
 }
 
-static int __devexit m48t35_remove(struct platform_device *pdev)
+static int m48t35_remove(struct platform_device *pdev)
 {
 	struct m48t35_priv *priv = platform_get_drvdata(pdev);
 
@@ -213,7 +213,7 @@ static struct platform_driver m48t35_platform_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= m48t35_probe,
-	.remove		= __devexit_p(m48t35_remove),
+	.remove		= m48t35_remove,
 };
 
 module_platform_driver(m48t35_platform_driver);
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index 30ebfec9fd2..130f29af386 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -383,7 +383,7 @@ static struct bin_attribute m48t59_nvram_attr = {
 	.write = m48t59_nvram_write,
 };
 
-static int __devinit m48t59_rtc_probe(struct platform_device *pdev)
+static int m48t59_rtc_probe(struct platform_device *pdev)
 {
 	struct m48t59_plat_data *pdata = pdev->dev.platform_data;
 	struct m48t59_private *m48t59 = NULL;
@@ -501,7 +501,7 @@ out:
 	return ret;
 }
 
-static int __devexit m48t59_rtc_remove(struct platform_device *pdev)
+static int m48t59_rtc_remove(struct platform_device *pdev)
 {
 	struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
 	struct m48t59_plat_data *pdata = pdev->dev.platform_data;
@@ -527,7 +527,7 @@ static struct platform_driver m48t59_rtc_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= m48t59_rtc_probe,
-	.remove		= __devexit_p(m48t59_rtc_remove),
+	.remove		= m48t59_rtc_remove,
 };
 
 module_platform_driver(m48t59_rtc_driver);
diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index 863fb3363aa..2ffbcacd243 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -144,7 +144,7 @@ static const struct rtc_class_ops m48t86_rtc_ops = {
 	.proc		= m48t86_rtc_proc,
 };
 
-static int __devinit m48t86_rtc_probe(struct platform_device *dev)
+static int m48t86_rtc_probe(struct platform_device *dev)
 {
 	unsigned char reg;
 	struct m48t86_ops *ops = dev->dev.platform_data;
@@ -164,7 +164,7 @@ static int __devinit m48t86_rtc_probe(struct platform_device *dev)
 	return 0;
 }
 
-static int __devexit m48t86_rtc_remove(struct platform_device *dev)
+static int m48t86_rtc_remove(struct platform_device *dev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(dev);
 
@@ -182,7 +182,7 @@ static struct platform_driver m48t86_rtc_platform_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= m48t86_rtc_probe,
-	.remove		= __devexit_p(m48t86_rtc_remove),
+	.remove		= m48t86_rtc_remove,
 };
 
 module_platform_driver(m48t86_rtc_platform_driver);
diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c
index 36c74d22e8b..7d0bf698b79 100644
--- a/drivers/rtc/rtc-max6902.c
+++ b/drivers/rtc/rtc-max6902.c
@@ -120,7 +120,7 @@ static const struct rtc_class_ops max6902_rtc_ops = {
 	.set_time	= max6902_set_time,
 };
 
-static int __devinit max6902_probe(struct spi_device *spi)
+static int max6902_probe(struct spi_device *spi)
 {
 	struct rtc_device *rtc;
 	unsigned char tmp;
@@ -143,7 +143,7 @@ static int __devinit max6902_probe(struct spi_device *spi)
 	return 0;
 }
 
-static int __devexit max6902_remove(struct spi_device *spi)
+static int max6902_remove(struct spi_device *spi)
 {
 	struct rtc_device *rtc = dev_get_drvdata(&spi->dev);
 
@@ -157,7 +157,7 @@ static struct spi_driver max6902_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe	= max6902_probe,
-	.remove = __devexit_p(max6902_remove),
+	.remove = max6902_remove,
 };
 
 module_spi_driver(max6902_driver);
diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c
new file mode 100644
index 00000000000..6b1337f9baf
--- /dev/null
+++ b/drivers/rtc/rtc-max77686.c
@@ -0,0 +1,641 @@
+/*
+ * RTC driver for Maxim MAX77686
+ *
+ * Copyright (C) 2012 Samsung Electronics Co.Ltd
+ *
+ *  based on rtc-max8997.c
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/slab.h>
+#include <linux/rtc.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/max77686-private.h>
+#include <linux/irqdomain.h>
+#include <linux/regmap.h>
+
+/* RTC Control Register */
+#define BCD_EN_SHIFT			0
+#define BCD_EN_MASK				(1 << BCD_EN_SHIFT)
+#define MODEL24_SHIFT			1
+#define MODEL24_MASK			(1 << MODEL24_SHIFT)
+/* RTC Update Register1 */
+#define RTC_UDR_SHIFT			0
+#define RTC_UDR_MASK			(1 << RTC_UDR_SHIFT)
+#define RTC_RBUDR_SHIFT			4
+#define RTC_RBUDR_MASK			(1 << RTC_RBUDR_SHIFT)
+/* WTSR and SMPL Register */
+#define WTSRT_SHIFT				0
+#define SMPLT_SHIFT				2
+#define WTSR_EN_SHIFT			6
+#define SMPL_EN_SHIFT			7
+#define WTSRT_MASK				(3 << WTSRT_SHIFT)
+#define SMPLT_MASK				(3 << SMPLT_SHIFT)
+#define WTSR_EN_MASK			(1 << WTSR_EN_SHIFT)
+#define SMPL_EN_MASK			(1 << SMPL_EN_SHIFT)
+/* RTC Hour register */
+#define HOUR_PM_SHIFT			6
+#define HOUR_PM_MASK			(1 << HOUR_PM_SHIFT)
+/* RTC Alarm Enable */
+#define ALARM_ENABLE_SHIFT		7
+#define ALARM_ENABLE_MASK		(1 << ALARM_ENABLE_SHIFT)
+
+#define MAX77686_RTC_UPDATE_DELAY	16
+#undef MAX77686_RTC_WTSR_SMPL
+
+enum {
+	RTC_SEC = 0,
+	RTC_MIN,
+	RTC_HOUR,
+	RTC_WEEKDAY,
+	RTC_MONTH,
+	RTC_YEAR,
+	RTC_DATE,
+	RTC_NR_TIME
+};
+
+struct max77686_rtc_info {
+	struct device		*dev;
+	struct max77686_dev	*max77686;
+	struct i2c_client	*rtc;
+	struct rtc_device	*rtc_dev;
+	struct mutex		lock;
+
+	struct regmap		*regmap;
+
+	int virq;
+	int rtc_24hr_mode;
+};
+
+enum MAX77686_RTC_OP {
+	MAX77686_RTC_WRITE,
+	MAX77686_RTC_READ,
+};
+
+static inline int max77686_rtc_calculate_wday(u8 shifted)
+{
+	int counter = -1;
+	while (shifted) {
+		shifted >>= 1;
+		counter++;
+	}
+	return counter;
+}
+
+static void max77686_rtc_data_to_tm(u8 *data, struct rtc_time *tm,
+				   int rtc_24hr_mode)
+{
+	tm->tm_sec = data[RTC_SEC] & 0x7f;
+	tm->tm_min = data[RTC_MIN] & 0x7f;
+	if (rtc_24hr_mode)
+		tm->tm_hour = data[RTC_HOUR] & 0x1f;
+	else {
+		tm->tm_hour = data[RTC_HOUR] & 0x0f;
+		if (data[RTC_HOUR] & HOUR_PM_MASK)
+			tm->tm_hour += 12;
+	}
+
+	tm->tm_wday = max77686_rtc_calculate_wday(data[RTC_WEEKDAY] & 0x7f);
+	tm->tm_mday = data[RTC_DATE] & 0x1f;
+	tm->tm_mon = (data[RTC_MONTH] & 0x0f) - 1;
+	tm->tm_year = (data[RTC_YEAR] & 0x7f) + 100;
+	tm->tm_yday = 0;
+	tm->tm_isdst = 0;
+}
+
+static int max77686_rtc_tm_to_data(struct rtc_time *tm, u8 *data)
+{
+	data[RTC_SEC] = tm->tm_sec;
+	data[RTC_MIN] = tm->tm_min;
+	data[RTC_HOUR] = tm->tm_hour;
+	data[RTC_WEEKDAY] = 1 << tm->tm_wday;
+	data[RTC_DATE] = tm->tm_mday;
+	data[RTC_MONTH] = tm->tm_mon + 1;
+	data[RTC_YEAR] = tm->tm_year > 100 ? (tm->tm_year - 100) : 0 ;
+
+	if (tm->tm_year < 100) {
+		pr_warn("%s: MAX77686 RTC cannot handle the year %d."
+			"Assume it's 2000.\n", __func__, 1900 + tm->tm_year);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int max77686_rtc_update(struct max77686_rtc_info *info,
+	enum MAX77686_RTC_OP op)
+{
+	int ret;
+	unsigned int data;
+
+	if (op == MAX77686_RTC_WRITE)
+		data = 1 << RTC_UDR_SHIFT;
+	else
+		data = 1 << RTC_RBUDR_SHIFT;
+
+	ret = regmap_update_bits(info->max77686->rtc_regmap,
+				 MAX77686_RTC_UPDATE0, data, data);
+	if (ret < 0)
+		dev_err(info->dev, "%s: fail to write update reg(ret=%d, data=0x%x)\n",
+				__func__, ret, data);
+	else {
+		/* Minimum 16ms delay required before RTC update. */
+		msleep(MAX77686_RTC_UPDATE_DELAY);
+	}
+
+	return ret;
+}
+
+static int max77686_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct max77686_rtc_info *info = dev_get_drvdata(dev);
+	u8 data[RTC_NR_TIME];
+	int ret;
+
+	mutex_lock(&info->lock);
+
+	ret = max77686_rtc_update(info, MAX77686_RTC_READ);
+	if (ret < 0)
+		goto out;
+
+	ret = regmap_bulk_read(info->max77686->rtc_regmap,
+				MAX77686_RTC_SEC, data, RTC_NR_TIME);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to read time reg(%d)\n", __func__,	ret);
+		goto out;
+	}
+
+	max77686_rtc_data_to_tm(data, tm, info->rtc_24hr_mode);
+
+	ret = rtc_valid_tm(tm);
+
+out:
+	mutex_unlock(&info->lock);
+	return ret;
+}
+
+static int max77686_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct max77686_rtc_info *info = dev_get_drvdata(dev);
+	u8 data[RTC_NR_TIME];
+	int ret;
+
+	ret = max77686_rtc_tm_to_data(tm, data);
+	if (ret < 0)
+		return ret;
+
+	mutex_lock(&info->lock);
+
+	ret = regmap_bulk_write(info->max77686->rtc_regmap,
+				 MAX77686_RTC_SEC, data, RTC_NR_TIME);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to write time reg(%d)\n", __func__,
+				ret);
+		goto out;
+	}
+
+	ret = max77686_rtc_update(info, MAX77686_RTC_WRITE);
+
+out:
+	mutex_unlock(&info->lock);
+	return ret;
+}
+
+static int max77686_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct max77686_rtc_info *info = dev_get_drvdata(dev);
+	u8 data[RTC_NR_TIME];
+	unsigned int val;
+	int i, ret;
+
+	mutex_lock(&info->lock);
+
+	ret = max77686_rtc_update(info, MAX77686_RTC_READ);
+	if (ret < 0)
+		goto out;
+
+	ret = regmap_bulk_read(info->max77686->rtc_regmap,
+				 MAX77686_ALARM1_SEC, data, RTC_NR_TIME);
+	if (ret < 0) {
+		dev_err(info->dev, "%s:%d fail to read alarm reg(%d)\n",
+				__func__, __LINE__, ret);
+		goto out;
+	}
+
+	max77686_rtc_data_to_tm(data, &alrm->time, info->rtc_24hr_mode);
+
+	alrm->enabled = 0;
+	for (i = 0; i < RTC_NR_TIME; i++) {
+		if (data[i] & ALARM_ENABLE_MASK) {
+			alrm->enabled = 1;
+			break;
+		}
+	}
+
+	alrm->pending = 0;
+	ret = regmap_read(info->max77686->regmap, MAX77686_REG_STATUS1, &val);
+	if (ret < 0) {
+		dev_err(info->dev, "%s:%d fail to read status1 reg(%d)\n",
+				__func__, __LINE__, ret);
+		goto out;
+	}
+
+	if (val & (1 << 4)) /* RTCA1 */
+		alrm->pending = 1;
+
+out:
+	mutex_unlock(&info->lock);
+	return 0;
+}
+
+static int max77686_rtc_stop_alarm(struct max77686_rtc_info *info)
+{
+	u8 data[RTC_NR_TIME];
+	int ret, i;
+	struct rtc_time tm;
+
+	if (!mutex_is_locked(&info->lock))
+		dev_warn(info->dev, "%s: should have mutex locked\n", __func__);
+
+	ret = max77686_rtc_update(info, MAX77686_RTC_READ);
+	if (ret < 0)
+		goto out;
+
+	ret = regmap_bulk_read(info->max77686->rtc_regmap,
+				 MAX77686_ALARM1_SEC, data, RTC_NR_TIME);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to read alarm reg(%d)\n",
+				__func__, ret);
+		goto out;
+	}
+
+	max77686_rtc_data_to_tm(data, &tm, info->rtc_24hr_mode);
+
+	for (i = 0; i < RTC_NR_TIME; i++)
+		data[i] &= ~ALARM_ENABLE_MASK;
+
+	ret = regmap_bulk_write(info->max77686->rtc_regmap,
+				 MAX77686_ALARM1_SEC, data, RTC_NR_TIME);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to write alarm reg(%d)\n",
+				__func__, ret);
+		goto out;
+	}
+
+	ret = max77686_rtc_update(info, MAX77686_RTC_WRITE);
+out:
+	return ret;
+}
+
+static int max77686_rtc_start_alarm(struct max77686_rtc_info *info)
+{
+	u8 data[RTC_NR_TIME];
+	int ret;
+	struct rtc_time tm;
+
+	if (!mutex_is_locked(&info->lock))
+		dev_warn(info->dev, "%s: should have mutex locked\n", __func__);
+
+	ret = max77686_rtc_update(info, MAX77686_RTC_READ);
+	if (ret < 0)
+		goto out;
+
+	ret = regmap_bulk_read(info->max77686->rtc_regmap,
+				 MAX77686_ALARM1_SEC, data, RTC_NR_TIME);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to read alarm reg(%d)\n",
+				__func__, ret);
+		goto out;
+	}
+
+	max77686_rtc_data_to_tm(data, &tm, info->rtc_24hr_mode);
+
+	data[RTC_SEC] |= (1 << ALARM_ENABLE_SHIFT);
+	data[RTC_MIN] |= (1 << ALARM_ENABLE_SHIFT);
+	data[RTC_HOUR] |= (1 << ALARM_ENABLE_SHIFT);
+	data[RTC_WEEKDAY] &= ~ALARM_ENABLE_MASK;
+	if (data[RTC_MONTH] & 0xf)
+		data[RTC_MONTH] |= (1 << ALARM_ENABLE_SHIFT);
+	if (data[RTC_YEAR] & 0x7f)
+		data[RTC_YEAR] |= (1 << ALARM_ENABLE_SHIFT);
+	if (data[RTC_DATE] & 0x1f)
+		data[RTC_DATE] |= (1 << ALARM_ENABLE_SHIFT);
+
+	ret = regmap_bulk_write(info->max77686->rtc_regmap,
+				 MAX77686_ALARM1_SEC, data, RTC_NR_TIME);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to write alarm reg(%d)\n",
+				__func__, ret);
+		goto out;
+	}
+
+	ret = max77686_rtc_update(info, MAX77686_RTC_WRITE);
+out:
+	return ret;
+}
+
+static int max77686_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct max77686_rtc_info *info = dev_get_drvdata(dev);
+	u8 data[RTC_NR_TIME];
+	int ret;
+
+	ret = max77686_rtc_tm_to_data(&alrm->time, data);
+	if (ret < 0)
+		return ret;
+
+	mutex_lock(&info->lock);
+
+	ret = max77686_rtc_stop_alarm(info);
+	if (ret < 0)
+		goto out;
+
+	ret = regmap_bulk_write(info->max77686->rtc_regmap,
+				 MAX77686_ALARM1_SEC, data, RTC_NR_TIME);
+
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to write alarm reg(%d)\n",
+				__func__, ret);
+		goto out;
+	}
+
+	ret = max77686_rtc_update(info, MAX77686_RTC_WRITE);
+	if (ret < 0)
+		goto out;
+
+	if (alrm->enabled)
+		ret = max77686_rtc_start_alarm(info);
+out:
+	mutex_unlock(&info->lock);
+	return ret;
+}
+
+static int max77686_rtc_alarm_irq_enable(struct device *dev,
+					unsigned int enabled)
+{
+	struct max77686_rtc_info *info = dev_get_drvdata(dev);
+	int ret;
+
+	mutex_lock(&info->lock);
+	if (enabled)
+		ret = max77686_rtc_start_alarm(info);
+	else
+		ret = max77686_rtc_stop_alarm(info);
+	mutex_unlock(&info->lock);
+
+	return ret;
+}
+
+static irqreturn_t max77686_rtc_alarm_irq(int irq, void *data)
+{
+	struct max77686_rtc_info *info = data;
+
+	dev_info(info->dev, "%s:irq(%d)\n", __func__, irq);
+
+	rtc_update_irq(info->rtc_dev, 1, RTC_IRQF | RTC_AF);
+
+	return IRQ_HANDLED;
+}
+
+static const struct rtc_class_ops max77686_rtc_ops = {
+	.read_time = max77686_rtc_read_time,
+	.set_time = max77686_rtc_set_time,
+	.read_alarm = max77686_rtc_read_alarm,
+	.set_alarm = max77686_rtc_set_alarm,
+	.alarm_irq_enable = max77686_rtc_alarm_irq_enable,
+};
+
+#ifdef MAX77686_RTC_WTSR_SMPL
+static void max77686_rtc_enable_wtsr(struct max77686_rtc_info *info, bool enable)
+{
+	int ret;
+	unsigned int val, mask;
+
+	if (enable)
+		val = (1 << WTSR_EN_SHIFT) | (3 << WTSRT_SHIFT);
+	else
+		val = 0;
+
+	mask = WTSR_EN_MASK | WTSRT_MASK;
+
+	dev_info(info->dev, "%s: %s WTSR\n", __func__,
+			enable ? "enable" : "disable");
+
+	ret = regmap_update_bits(info->max77686->rtc_regmap,
+				 MAX77686_WTSR_SMPL_CNTL, mask, val);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to update WTSR reg(%d)\n",
+				__func__, ret);
+		return;
+	}
+
+	max77686_rtc_update(info, MAX77686_RTC_WRITE);
+}
+
+static void max77686_rtc_enable_smpl(struct max77686_rtc_info *info, bool enable)
+{
+	int ret;
+	unsigned int val, mask;
+
+	if (enable)
+		val = (1 << SMPL_EN_SHIFT) | (0 << SMPLT_SHIFT);
+	else
+		val = 0;
+
+	mask = SMPL_EN_MASK | SMPLT_MASK;
+
+	dev_info(info->dev, "%s: %s SMPL\n", __func__,
+			enable ? "enable" : "disable");
+
+	ret = regmap_update_bits(info->max77686->rtc_regmap,
+				 MAX77686_WTSR_SMPL_CNTL, mask, val);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to update SMPL reg(%d)\n",
+				__func__, ret);
+		return;
+	}
+
+	max77686_rtc_update(info, MAX77686_RTC_WRITE);
+
+	val = 0;
+	regmap_read(info->max77686->rtc_regmap, MAX77686_WTSR_SMPL_CNTL, &val);
+	pr_info("%s: WTSR_SMPL(0x%02x)\n", __func__, val);
+}
+#endif /* MAX77686_RTC_WTSR_SMPL */
+
+static int max77686_rtc_init_reg(struct max77686_rtc_info *info)
+{
+	u8 data[2];
+	int ret;
+
+	/* Set RTC control register : Binary mode, 24hour mdoe */
+	data[0] = (1 << BCD_EN_SHIFT) | (1 << MODEL24_SHIFT);
+	data[1] = (0 << BCD_EN_SHIFT) | (1 << MODEL24_SHIFT);
+
+	info->rtc_24hr_mode = 1;
+
+	ret = regmap_bulk_write(info->max77686->rtc_regmap, MAX77686_RTC_CONTROLM, data, 2);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to write controlm reg(%d)\n",
+				__func__, ret);
+		return ret;
+	}
+
+	ret = max77686_rtc_update(info, MAX77686_RTC_WRITE);
+	return ret;
+}
+
+static struct regmap_config max77686_rtc_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+};
+
+static int max77686_rtc_probe(struct platform_device *pdev)
+{
+	struct max77686_dev *max77686 = dev_get_drvdata(pdev->dev.parent);
+	struct max77686_rtc_info *info;
+	int ret, virq;
+
+	dev_info(&pdev->dev, "%s\n", __func__);
+
+	info = kzalloc(sizeof(struct max77686_rtc_info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	mutex_init(&info->lock);
+	info->dev = &pdev->dev;
+	info->max77686 = max77686;
+	info->rtc = max77686->rtc;
+	info->max77686->rtc_regmap = regmap_init_i2c(info->max77686->rtc,
+					 &max77686_rtc_regmap_config);
+	if (IS_ERR(info->max77686->rtc_regmap)) {
+		ret = PTR_ERR(info->max77686->rtc_regmap);
+		dev_err(info->max77686->dev, "Failed to allocate register map: %d\n",
+				ret);
+		kfree(info);
+		return ret;
+	}
+	platform_set_drvdata(pdev, info);
+
+	ret = max77686_rtc_init_reg(info);
+
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to initialize RTC reg:%d\n", ret);
+		goto err_rtc;
+	}
+
+#ifdef MAX77686_RTC_WTSR_SMPL
+	max77686_rtc_enable_wtsr(info, true);
+	max77686_rtc_enable_smpl(info, true);
+#endif
+
+	device_init_wakeup(&pdev->dev, 1);
+
+	info->rtc_dev = rtc_device_register("max77686-rtc", &pdev->dev,
+			&max77686_rtc_ops, THIS_MODULE);
+
+	if (IS_ERR(info->rtc_dev)) {
+		dev_info(&pdev->dev, "%s: fail\n", __func__);
+
+		ret = PTR_ERR(info->rtc_dev);
+		dev_err(&pdev->dev, "Failed to register RTC device: %d\n", ret);
+		if (ret == 0)
+			ret = -EINVAL;
+		goto err_rtc;
+	}
+	virq = irq_create_mapping(max77686->irq_domain, MAX77686_RTCIRQ_RTCA1);
+	if (!virq)
+		goto err_rtc;
+	info->virq = virq;
+
+	ret = request_threaded_irq(virq, NULL, max77686_rtc_alarm_irq, 0,
+			"rtc-alarm0", info);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
+			info->virq, ret);
+		goto err_rtc;
+	}
+
+	goto out;
+err_rtc:
+	kfree(info);
+	return ret;
+out:
+	return ret;
+}
+
+static int max77686_rtc_remove(struct platform_device *pdev)
+{
+	struct max77686_rtc_info *info = platform_get_drvdata(pdev);
+
+	if (info) {
+		free_irq(info->virq, info);
+		rtc_device_unregister(info->rtc_dev);
+		kfree(info);
+	}
+
+	return 0;
+}
+
+static void max77686_rtc_shutdown(struct platform_device *pdev)
+{
+#ifdef MAX77686_RTC_WTSR_SMPL
+	struct max77686_rtc_info *info = platform_get_drvdata(pdev);
+	int i;
+	u8 val = 0;
+
+	for (i = 0; i < 3; i++) {
+		max77686_rtc_enable_wtsr(info, false);
+		regmap_read(info->max77686->rtc_regmap, MAX77686_WTSR_SMPL_CNTL, &val);
+		pr_info("%s: WTSR_SMPL reg(0x%02x)\n", __func__, val);
+		if (val & WTSR_EN_MASK)
+			pr_emerg("%s: fail to disable WTSR\n", __func__);
+		else {
+			pr_info("%s: success to disable WTSR\n", __func__);
+			break;
+		}
+	}
+
+	/* Disable SMPL when power off */
+	max77686_rtc_enable_smpl(info, false);
+#endif /* MAX77686_RTC_WTSR_SMPL */
+}
+
+static const struct platform_device_id rtc_id[] = {
+	{ "max77686-rtc", 0 },
+	{},
+};
+
+static struct platform_driver max77686_rtc_driver = {
+	.driver		= {
+		.name	= "max77686-rtc",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= max77686_rtc_probe,
+	.remove		= max77686_rtc_remove,
+	.shutdown	= max77686_rtc_shutdown,
+	.id_table	= rtc_id,
+};
+
+static int __init max77686_rtc_init(void)
+{
+	return platform_driver_register(&max77686_rtc_driver);
+}
+module_init(max77686_rtc_init);
+
+static void __exit max77686_rtc_exit(void)
+{
+	platform_driver_unregister(&max77686_rtc_driver);
+}
+module_exit(max77686_rtc_exit);
+
+MODULE_DESCRIPTION("Maxim MAX77686 RTC driver");
+MODULE_AUTHOR("<woong.byun@samsung.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-max8907.c b/drivers/rtc/rtc-max8907.c
index e094ffa434f..31ca8faf9f0 100644
--- a/drivers/rtc/rtc-max8907.c
+++ b/drivers/rtc/rtc-max8907.c
@@ -176,7 +176,7 @@ static const struct rtc_class_ops max8907_rtc_ops = {
 	.set_alarm	= max8907_rtc_set_alarm,
 };
 
-static int __devinit max8907_rtc_probe(struct platform_device *pdev)
+static int max8907_rtc_probe(struct platform_device *pdev)
 {
 	struct max8907 *max8907 = dev_get_drvdata(pdev->dev.parent);
 	struct max8907_rtc *rtc;
@@ -205,8 +205,9 @@ static int __devinit max8907_rtc_probe(struct platform_device *pdev)
 		goto err_unregister;
 	}
 
-	ret = request_threaded_irq(rtc->irq, NULL, max8907_irq_handler,
-				   IRQF_ONESHOT, "max8907-alarm0", rtc);
+	ret = devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL,
+				max8907_irq_handler,
+				IRQF_ONESHOT, "max8907-alarm0", rtc);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to request IRQ%d: %d\n",
 			rtc->irq, ret);
@@ -220,11 +221,10 @@ err_unregister:
 	return ret;
 }
 
-static int __devexit max8907_rtc_remove(struct platform_device *pdev)
+static int max8907_rtc_remove(struct platform_device *pdev)
 {
 	struct max8907_rtc *rtc = platform_get_drvdata(pdev);
 
-	free_irq(rtc->irq, rtc);
 	rtc_device_unregister(rtc->rtc_dev);
 
 	return 0;
@@ -236,7 +236,7 @@ static struct platform_driver max8907_rtc_driver = {
 		.owner = THIS_MODULE,
 	},
 	.probe = max8907_rtc_probe,
-	.remove = __devexit_p(max8907_rtc_remove),
+	.remove = max8907_rtc_remove,
 };
 module_platform_driver(max8907_rtc_driver);
 
diff --git a/drivers/rtc/rtc-max8925.c b/drivers/rtc/rtc-max8925.c
index 34e4349611d..a0c8265646d 100644
--- a/drivers/rtc/rtc-max8925.c
+++ b/drivers/rtc/rtc-max8925.c
@@ -247,7 +247,7 @@ static const struct rtc_class_ops max8925_rtc_ops = {
 	.set_alarm	= max8925_rtc_set_alarm,
 };
 
-static int __devinit max8925_rtc_probe(struct platform_device *pdev)
+static int max8925_rtc_probe(struct platform_device *pdev)
 {
 	struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
 	struct max8925_rtc_info *info;
@@ -292,7 +292,7 @@ out_irq:
 	return ret;
 }
 
-static int __devexit max8925_rtc_remove(struct platform_device *pdev)
+static int max8925_rtc_remove(struct platform_device *pdev)
 {
 	struct max8925_rtc_info *info = platform_get_drvdata(pdev);
 
@@ -334,7 +334,7 @@ static struct platform_driver max8925_rtc_driver = {
 		.pm     = &max8925_rtc_pm_ops,
 	},
 	.probe		= max8925_rtc_probe,
-	.remove		= __devexit_p(max8925_rtc_remove),
+	.remove		= max8925_rtc_remove,
 };
 
 module_platform_driver(max8925_rtc_driver);
diff --git a/drivers/rtc/rtc-max8997.c b/drivers/rtc/rtc-max8997.c
new file mode 100644
index 00000000000..00e505b6bee
--- /dev/null
+++ b/drivers/rtc/rtc-max8997.c
@@ -0,0 +1,552 @@
+/*
+ * RTC driver for Maxim MAX8997
+ *
+ * Copyright (C) 2013 Samsung Electronics Co.Ltd
+ *
+ *  based on rtc-max8998.c
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/slab.h>
+#include <linux/rtc.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/max8997-private.h>
+#include <linux/irqdomain.h>
+
+/* Module parameter for WTSR function control */
+static int wtsr_en = 1;
+module_param(wtsr_en, int, 0444);
+MODULE_PARM_DESC(wtsr_en, "Wachdog Timeout & Sofware Reset (default=on)");
+/* Module parameter for SMPL function control */
+static int smpl_en = 1;
+module_param(smpl_en, int, 0444);
+MODULE_PARM_DESC(smpl_en, "Sudden Momentary Power Loss (default=on)");
+
+/* RTC Control Register */
+#define BCD_EN_SHIFT			0
+#define BCD_EN_MASK			(1 << BCD_EN_SHIFT)
+#define MODEL24_SHIFT			1
+#define MODEL24_MASK			(1 << MODEL24_SHIFT)
+/* RTC Update Register1 */
+#define RTC_UDR_SHIFT			0
+#define RTC_UDR_MASK			(1 << RTC_UDR_SHIFT)
+/* WTSR and SMPL Register */
+#define WTSRT_SHIFT			0
+#define SMPLT_SHIFT			2
+#define WTSR_EN_SHIFT			6
+#define SMPL_EN_SHIFT			7
+#define WTSRT_MASK			(3 << WTSRT_SHIFT)
+#define SMPLT_MASK			(3 << SMPLT_SHIFT)
+#define WTSR_EN_MASK			(1 << WTSR_EN_SHIFT)
+#define SMPL_EN_MASK			(1 << SMPL_EN_SHIFT)
+/* RTC Hour register */
+#define HOUR_PM_SHIFT			6
+#define HOUR_PM_MASK			(1 << HOUR_PM_SHIFT)
+/* RTC Alarm Enable */
+#define ALARM_ENABLE_SHIFT		7
+#define ALARM_ENABLE_MASK		(1 << ALARM_ENABLE_SHIFT)
+
+enum {
+	RTC_SEC = 0,
+	RTC_MIN,
+	RTC_HOUR,
+	RTC_WEEKDAY,
+	RTC_MONTH,
+	RTC_YEAR,
+	RTC_DATE,
+	RTC_NR_TIME
+};
+
+struct max8997_rtc_info {
+	struct device		*dev;
+	struct max8997_dev	*max8997;
+	struct i2c_client	*rtc;
+	struct rtc_device	*rtc_dev;
+	struct mutex		lock;
+	int virq;
+	int rtc_24hr_mode;
+};
+
+static void max8997_rtc_data_to_tm(u8 *data, struct rtc_time *tm,
+				   int rtc_24hr_mode)
+{
+	tm->tm_sec = data[RTC_SEC] & 0x7f;
+	tm->tm_min = data[RTC_MIN] & 0x7f;
+	if (rtc_24hr_mode)
+		tm->tm_hour = data[RTC_HOUR] & 0x1f;
+	else {
+		tm->tm_hour = data[RTC_HOUR] & 0x0f;
+		if (data[RTC_HOUR] & HOUR_PM_MASK)
+			tm->tm_hour += 12;
+	}
+
+	tm->tm_wday = fls(data[RTC_WEEKDAY] & 0x7f) - 1;
+	tm->tm_mday = data[RTC_DATE] & 0x1f;
+	tm->tm_mon = (data[RTC_MONTH] & 0x0f) - 1;
+	tm->tm_year = (data[RTC_YEAR] & 0x7f) + 100;
+	tm->tm_yday = 0;
+	tm->tm_isdst = 0;
+}
+
+static int max8997_rtc_tm_to_data(struct rtc_time *tm, u8 *data)
+{
+	data[RTC_SEC] = tm->tm_sec;
+	data[RTC_MIN] = tm->tm_min;
+	data[RTC_HOUR] = tm->tm_hour;
+	data[RTC_WEEKDAY] = 1 << tm->tm_wday;
+	data[RTC_DATE] = tm->tm_mday;
+	data[RTC_MONTH] = tm->tm_mon + 1;
+	data[RTC_YEAR] = tm->tm_year > 100 ? (tm->tm_year - 100) : 0 ;
+
+	if (tm->tm_year < 100) {
+		pr_warn("%s: MAX8997 RTC cannot handle the year %d."
+			"Assume it's 2000.\n", __func__, 1900 + tm->tm_year);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static inline int max8997_rtc_set_update_reg(struct max8997_rtc_info *info)
+{
+	int ret;
+
+	ret = max8997_write_reg(info->rtc, MAX8997_RTC_UPDATE1,
+						RTC_UDR_MASK);
+	if (ret < 0)
+		dev_err(info->dev, "%s: fail to write update reg(%d)\n",
+				__func__, ret);
+	else {
+		/* Minimum 16ms delay required before RTC update.
+		 * Otherwise, we may read and update based on out-of-date
+		 * value */
+		msleep(20);
+	}
+
+	return ret;
+}
+
+static int max8997_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct max8997_rtc_info *info = dev_get_drvdata(dev);
+	u8 data[RTC_NR_TIME];
+	int ret;
+
+	mutex_lock(&info->lock);
+	ret = max8997_bulk_read(info->rtc, MAX8997_RTC_SEC, RTC_NR_TIME, data);
+	mutex_unlock(&info->lock);
+
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to read time reg(%d)\n", __func__,
+				ret);
+		return ret;
+	}
+
+	max8997_rtc_data_to_tm(data, tm, info->rtc_24hr_mode);
+
+	return rtc_valid_tm(tm);
+}
+
+static int max8997_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct max8997_rtc_info *info = dev_get_drvdata(dev);
+	u8 data[RTC_NR_TIME];
+	int ret;
+
+	ret = max8997_rtc_tm_to_data(tm, data);
+	if (ret < 0)
+		return ret;
+
+	mutex_lock(&info->lock);
+
+	ret = max8997_bulk_write(info->rtc, MAX8997_RTC_SEC, RTC_NR_TIME, data);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to write time reg(%d)\n", __func__,
+				ret);
+		goto out;
+	}
+
+	ret = max8997_rtc_set_update_reg(info);
+out:
+	mutex_unlock(&info->lock);
+	return ret;
+}
+
+static int max8997_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct max8997_rtc_info *info = dev_get_drvdata(dev);
+	u8 data[RTC_NR_TIME];
+	u8 val;
+	int i, ret;
+
+	mutex_lock(&info->lock);
+
+	ret = max8997_bulk_read(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME,
+			data);
+	if (ret < 0) {
+		dev_err(info->dev, "%s:%d fail to read alarm reg(%d)\n",
+				__func__, __LINE__, ret);
+		goto out;
+	}
+
+	max8997_rtc_data_to_tm(data, &alrm->time, info->rtc_24hr_mode);
+
+	alrm->enabled = 0;
+	for (i = 0; i < RTC_NR_TIME; i++) {
+		if (data[i] & ALARM_ENABLE_MASK) {
+			alrm->enabled = 1;
+			break;
+		}
+	}
+
+	alrm->pending = 0;
+	ret = max8997_read_reg(info->max8997->i2c, MAX8997_REG_STATUS1, &val);
+	if (ret < 0) {
+		dev_err(info->dev, "%s:%d fail to read status1 reg(%d)\n",
+				__func__, __LINE__, ret);
+		goto out;
+	}
+
+	if (val & (1 << 4)) /* RTCA1 */
+		alrm->pending = 1;
+
+out:
+	mutex_unlock(&info->lock);
+	return 0;
+}
+
+static int max8997_rtc_stop_alarm(struct max8997_rtc_info *info)
+{
+	u8 data[RTC_NR_TIME];
+	int ret, i;
+
+	if (!mutex_is_locked(&info->lock))
+		dev_warn(info->dev, "%s: should have mutex locked\n", __func__);
+
+	ret = max8997_bulk_read(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME,
+				data);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to read alarm reg(%d)\n",
+				__func__, ret);
+		goto out;
+	}
+
+	for (i = 0; i < RTC_NR_TIME; i++)
+		data[i] &= ~ALARM_ENABLE_MASK;
+
+	ret = max8997_bulk_write(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME,
+				 data);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to write alarm reg(%d)\n",
+				__func__, ret);
+		goto out;
+	}
+
+	ret = max8997_rtc_set_update_reg(info);
+out:
+	return ret;
+}
+
+static int max8997_rtc_start_alarm(struct max8997_rtc_info *info)
+{
+	u8 data[RTC_NR_TIME];
+	int ret;
+
+	if (!mutex_is_locked(&info->lock))
+		dev_warn(info->dev, "%s: should have mutex locked\n", __func__);
+
+	ret = max8997_bulk_read(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME,
+				data);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to read alarm reg(%d)\n",
+				__func__, ret);
+		goto out;
+	}
+
+	data[RTC_SEC] |= (1 << ALARM_ENABLE_SHIFT);
+	data[RTC_MIN] |= (1 << ALARM_ENABLE_SHIFT);
+	data[RTC_HOUR] |= (1 << ALARM_ENABLE_SHIFT);
+	data[RTC_WEEKDAY] &= ~ALARM_ENABLE_MASK;
+	if (data[RTC_MONTH] & 0xf)
+		data[RTC_MONTH] |= (1 << ALARM_ENABLE_SHIFT);
+	if (data[RTC_YEAR] & 0x7f)
+		data[RTC_YEAR] |= (1 << ALARM_ENABLE_SHIFT);
+	if (data[RTC_DATE] & 0x1f)
+		data[RTC_DATE] |= (1 << ALARM_ENABLE_SHIFT);
+
+	ret = max8997_bulk_write(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME,
+				 data);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to write alarm reg(%d)\n",
+				__func__, ret);
+		goto out;
+	}
+
+	ret = max8997_rtc_set_update_reg(info);
+out:
+	return ret;
+}
+static int max8997_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct max8997_rtc_info *info = dev_get_drvdata(dev);
+	u8 data[RTC_NR_TIME];
+	int ret;
+
+	ret = max8997_rtc_tm_to_data(&alrm->time, data);
+	if (ret < 0)
+		return ret;
+
+	dev_info(info->dev, "%s: %d-%02d-%02d %02d:%02d:%02d\n", __func__,
+			data[RTC_YEAR] + 2000, data[RTC_MONTH], data[RTC_DATE],
+			data[RTC_HOUR], data[RTC_MIN], data[RTC_SEC]);
+
+	mutex_lock(&info->lock);
+
+	ret = max8997_rtc_stop_alarm(info);
+	if (ret < 0)
+		goto out;
+
+	ret = max8997_bulk_write(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME,
+				data);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to write alarm reg(%d)\n",
+				__func__, ret);
+		goto out;
+	}
+
+	ret = max8997_rtc_set_update_reg(info);
+	if (ret < 0)
+		goto out;
+
+	if (alrm->enabled)
+		ret = max8997_rtc_start_alarm(info);
+out:
+	mutex_unlock(&info->lock);
+	return ret;
+}
+
+static int max8997_rtc_alarm_irq_enable(struct device *dev,
+					unsigned int enabled)
+{
+	struct max8997_rtc_info *info = dev_get_drvdata(dev);
+	int ret;
+
+	mutex_lock(&info->lock);
+	if (enabled)
+		ret = max8997_rtc_start_alarm(info);
+	else
+		ret = max8997_rtc_stop_alarm(info);
+	mutex_unlock(&info->lock);
+
+	return ret;
+}
+
+static irqreturn_t max8997_rtc_alarm_irq(int irq, void *data)
+{
+	struct max8997_rtc_info *info = data;
+
+	dev_info(info->dev, "%s:irq(%d)\n", __func__, irq);
+
+	rtc_update_irq(info->rtc_dev, 1, RTC_IRQF | RTC_AF);
+
+	return IRQ_HANDLED;
+}
+
+static const struct rtc_class_ops max8997_rtc_ops = {
+	.read_time = max8997_rtc_read_time,
+	.set_time = max8997_rtc_set_time,
+	.read_alarm = max8997_rtc_read_alarm,
+	.set_alarm = max8997_rtc_set_alarm,
+	.alarm_irq_enable = max8997_rtc_alarm_irq_enable,
+};
+
+static void max8997_rtc_enable_wtsr(struct max8997_rtc_info *info, bool enable)
+{
+	int ret;
+	u8 val, mask;
+
+	if (!wtsr_en)
+		return;
+
+	if (enable)
+		val = (1 << WTSR_EN_SHIFT) | (3 << WTSRT_SHIFT);
+	else
+		val = 0;
+
+	mask = WTSR_EN_MASK | WTSRT_MASK;
+
+	dev_info(info->dev, "%s: %s WTSR\n", __func__,
+			enable ? "enable" : "disable");
+
+	ret = max8997_update_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, val, mask);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to update WTSR reg(%d)\n",
+				__func__, ret);
+		return;
+	}
+
+	max8997_rtc_set_update_reg(info);
+}
+
+static void max8997_rtc_enable_smpl(struct max8997_rtc_info *info, bool enable)
+{
+	int ret;
+	u8 val, mask;
+
+	if (!smpl_en)
+		return;
+
+	if (enable)
+		val = (1 << SMPL_EN_SHIFT) | (0 << SMPLT_SHIFT);
+	else
+		val = 0;
+
+	mask = SMPL_EN_MASK | SMPLT_MASK;
+
+	dev_info(info->dev, "%s: %s SMPL\n", __func__,
+			enable ? "enable" : "disable");
+
+	ret = max8997_update_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, val, mask);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to update SMPL reg(%d)\n",
+				__func__, ret);
+		return;
+	}
+
+	max8997_rtc_set_update_reg(info);
+
+	val = 0;
+	max8997_read_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, &val);
+	pr_info("%s: WTSR_SMPL(0x%02x)\n", __func__, val);
+}
+
+static int max8997_rtc_init_reg(struct max8997_rtc_info *info)
+{
+	u8 data[2];
+	int ret;
+
+	/* Set RTC control register : Binary mode, 24hour mdoe */
+	data[0] = (1 << BCD_EN_SHIFT) | (1 << MODEL24_SHIFT);
+	data[1] = (0 << BCD_EN_SHIFT) | (1 << MODEL24_SHIFT);
+
+	info->rtc_24hr_mode = 1;
+
+	ret = max8997_bulk_write(info->rtc, MAX8997_RTC_CTRLMASK, 2, data);
+	if (ret < 0) {
+		dev_err(info->dev, "%s: fail to write controlm reg(%d)\n",
+				__func__, ret);
+		return ret;
+	}
+
+	ret = max8997_rtc_set_update_reg(info);
+	return ret;
+}
+
+static int max8997_rtc_probe(struct platform_device *pdev)
+{
+	struct max8997_dev *max8997 = dev_get_drvdata(pdev->dev.parent);
+	struct max8997_rtc_info *info;
+	int ret, virq;
+
+	info = devm_kzalloc(&pdev->dev, sizeof(struct max8997_rtc_info),
+			GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	mutex_init(&info->lock);
+	info->dev = &pdev->dev;
+	info->max8997 = max8997;
+	info->rtc = max8997->rtc;
+
+	platform_set_drvdata(pdev, info);
+
+	ret = max8997_rtc_init_reg(info);
+
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to initialize RTC reg:%d\n", ret);
+		return ret;
+	}
+
+	max8997_rtc_enable_wtsr(info, true);
+	max8997_rtc_enable_smpl(info, true);
+
+	device_init_wakeup(&pdev->dev, 1);
+
+	info->rtc_dev = rtc_device_register("max8997-rtc", &pdev->dev,
+			&max8997_rtc_ops, THIS_MODULE);
+
+	if (IS_ERR(info->rtc_dev)) {
+		ret = PTR_ERR(info->rtc_dev);
+		dev_err(&pdev->dev, "Failed to register RTC device: %d\n", ret);
+		return ret;
+	}
+
+	virq = irq_create_mapping(max8997->irq_domain, MAX8997_PMICIRQ_RTCA1);
+	if (!virq) {
+		dev_err(&pdev->dev, "Failed to create mapping alarm IRQ\n");
+		goto err_out;
+	}
+	info->virq = virq;
+
+	ret = devm_request_threaded_irq(&pdev->dev, virq, NULL,
+				max8997_rtc_alarm_irq, 0,
+				"rtc-alarm0", info);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
+			info->virq, ret);
+		goto err_out;
+	}
+
+	return ret;
+
+err_out:
+	rtc_device_unregister(info->rtc_dev);
+	return ret;
+}
+
+static int max8997_rtc_remove(struct platform_device *pdev)
+{
+	struct max8997_rtc_info *info = platform_get_drvdata(pdev);
+
+	if (info)
+		rtc_device_unregister(info->rtc_dev);
+
+	return 0;
+}
+
+static void max8997_rtc_shutdown(struct platform_device *pdev)
+{
+	struct max8997_rtc_info *info = platform_get_drvdata(pdev);
+
+	max8997_rtc_enable_wtsr(info, false);
+	max8997_rtc_enable_smpl(info, false);
+}
+
+static const struct platform_device_id rtc_id[] = {
+	{ "max8997-rtc", 0 },
+	{},
+};
+
+static struct platform_driver max8997_rtc_driver = {
+	.driver		= {
+		.name	= "max8997-rtc",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= max8997_rtc_probe,
+	.remove		= max8997_rtc_remove,
+	.shutdown	= max8997_rtc_shutdown,
+	.id_table	= rtc_id,
+};
+
+module_platform_driver(max8997_rtc_driver);
+
+MODULE_DESCRIPTION("Maxim MAX8997 RTC driver");
+MODULE_AUTHOR("<ms925.kim@samsung.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-max8998.c b/drivers/rtc/rtc-max8998.c
index 7196f438c08..8f234a075e8 100644
--- a/drivers/rtc/rtc-max8998.c
+++ b/drivers/rtc/rtc-max8998.c
@@ -249,7 +249,7 @@ static const struct rtc_class_ops max8998_rtc_ops = {
 	.alarm_irq_enable = max8998_rtc_alarm_irq_enable,
 };
 
-static int __devinit max8998_rtc_probe(struct platform_device *pdev)
+static int max8998_rtc_probe(struct platform_device *pdev)
 {
 	struct max8998_dev *max8998 = dev_get_drvdata(pdev->dev.parent);
 	struct max8998_platform_data *pdata = dev_get_platdata(max8998->dev);
@@ -298,7 +298,7 @@ out_rtc:
 	return ret;
 }
 
-static int __devexit max8998_rtc_remove(struct platform_device *pdev)
+static int max8998_rtc_remove(struct platform_device *pdev)
 {
 	struct max8998_rtc_info *info = platform_get_drvdata(pdev);
 
@@ -323,7 +323,7 @@ static struct platform_driver max8998_rtc_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= max8998_rtc_probe,
-	.remove		= __devexit_p(max8998_rtc_remove),
+	.remove		= max8998_rtc_remove,
 	.id_table	= max8998_rtc_id,
 };
 
diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c
index 029e421baae..bdcc60830ae 100644
--- a/drivers/rtc/rtc-mpc5121.c
+++ b/drivers/rtc/rtc-mpc5121.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/rtc.h>
+#include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
 #include <linux/io.h>
@@ -306,7 +307,7 @@ static const struct rtc_class_ops mpc5200_rtc_ops = {
 	.alarm_irq_enable = mpc5121_rtc_alarm_irq_enable,
 };
 
-static int __devinit mpc5121_rtc_probe(struct platform_device *op)
+static int mpc5121_rtc_probe(struct platform_device *op)
 {
 	struct mpc5121_rtc_data *rtc;
 	int err = 0;
@@ -382,7 +383,7 @@ out_free:
 	return err;
 }
 
-static int __devexit mpc5121_rtc_remove(struct platform_device *op)
+static int mpc5121_rtc_remove(struct platform_device *op)
 {
 	struct mpc5121_rtc_data *rtc = dev_get_drvdata(&op->dev);
 	struct mpc5121_rtc_regs __iomem *regs = rtc->regs;
@@ -403,20 +404,22 @@ static int __devexit mpc5121_rtc_remove(struct platform_device *op)
 	return 0;
 }
 
-static struct of_device_id mpc5121_rtc_match[] __devinitdata = {
+#ifdef CONFIG_OF
+static struct of_device_id mpc5121_rtc_match[] = {
 	{ .compatible = "fsl,mpc5121-rtc", },
 	{ .compatible = "fsl,mpc5200-rtc", },
 	{},
 };
+#endif
 
 static struct platform_driver mpc5121_rtc_driver = {
 	.driver = {
 		.name = "mpc5121-rtc",
 		.owner = THIS_MODULE,
-		.of_match_table = mpc5121_rtc_match,
+		.of_match_table = of_match_ptr(mpc5121_rtc_match),
 	},
 	.probe = mpc5121_rtc_probe,
-	.remove = __devexit_p(mpc5121_rtc_remove),
+	.remove = mpc5121_rtc_remove,
 };
 
 module_platform_driver(mpc5121_rtc_driver);
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index f51719bf4a7..578baf9d972 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -322,8 +322,8 @@ static irqreturn_t mrst_rtc_irq(int irq, void *p)
 	return IRQ_NONE;
 }
 
-static int __devinit
-vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, int rtc_irq)
+static int vrtc_mrst_do_probe(struct device *dev, struct resource *iomem,
+			      int rtc_irq)
 {
 	int retval = 0;
 	unsigned char rtc_control;
@@ -394,7 +394,7 @@ static void rtc_mrst_do_shutdown(void)
 	spin_unlock_irq(&rtc_lock);
 }
 
-static void __devexit rtc_mrst_do_remove(struct device *dev)
+static void rtc_mrst_do_remove(struct device *dev)
 {
 	struct mrst_rtc	*mrst = dev_get_drvdata(dev);
 	struct resource *iomem;
@@ -503,14 +503,14 @@ static inline int mrst_poweroff(struct device *dev)
 
 #endif
 
-static int __devinit vrtc_mrst_platform_probe(struct platform_device *pdev)
+static int vrtc_mrst_platform_probe(struct platform_device *pdev)
 {
 	return vrtc_mrst_do_probe(&pdev->dev,
 			platform_get_resource(pdev, IORESOURCE_MEM, 0),
 			platform_get_irq(pdev, 0));
 }
 
-static int __devexit vrtc_mrst_platform_remove(struct platform_device *pdev)
+static int vrtc_mrst_platform_remove(struct platform_device *pdev)
 {
 	rtc_mrst_do_remove(&pdev->dev);
 	return 0;
@@ -528,7 +528,7 @@ MODULE_ALIAS("platform:vrtc_mrst");
 
 static struct platform_driver vrtc_mrst_platform_driver = {
 	.probe		= vrtc_mrst_platform_probe,
-	.remove		= __devexit_p(vrtc_mrst_platform_remove),
+	.remove		= vrtc_mrst_platform_remove,
 	.shutdown	= vrtc_mrst_platform_shutdown,
 	.driver = {
 		.name		= (char *) driver_name,
diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c
index ebc1649d45d..8f87fec27ce 100644
--- a/drivers/rtc/rtc-mv.c
+++ b/drivers/rtc/rtc-mv.c
@@ -14,6 +14,7 @@
 #include <linux/platform_device.h>
 #include <linux/of.h>
 #include <linux/delay.h>
+#include <linux/clk.h>
 #include <linux/gfp.h>
 #include <linux/module.h>
 
@@ -41,6 +42,7 @@ struct rtc_plat_data {
 	struct rtc_device *rtc;
 	void __iomem *ioaddr;
 	int		irq;
+	struct clk	*clk;
 };
 
 static int mv_rtc_set_time(struct device *dev, struct rtc_time *tm)
@@ -215,12 +217,13 @@ static const struct rtc_class_ops mv_rtc_alarm_ops = {
 	.alarm_irq_enable = mv_rtc_alarm_irq_enable,
 };
 
-static int __devinit mv_rtc_probe(struct platform_device *pdev)
+static int mv_rtc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct rtc_plat_data *pdata;
 	resource_size_t size;
 	u32 rtc_time;
+	int ret = 0;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
@@ -239,11 +242,17 @@ static int __devinit mv_rtc_probe(struct platform_device *pdev)
 	if (!pdata->ioaddr)
 		return -ENOMEM;
 
+	pdata->clk = devm_clk_get(&pdev->dev, NULL);
+	/* Not all SoCs require a clock.*/
+	if (!IS_ERR(pdata->clk))
+		clk_prepare_enable(pdata->clk);
+
 	/* make sure the 24 hours mode is enabled */
 	rtc_time = readl(pdata->ioaddr + RTC_TIME_REG_OFFS);
 	if (rtc_time & RTC_HOURS_12H_MODE) {
 		dev_err(&pdev->dev, "24 Hours mode not supported.\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out;
 	}
 
 	/* make sure it is actually functional */
@@ -252,7 +261,8 @@ static int __devinit mv_rtc_probe(struct platform_device *pdev)
 		rtc_time = readl(pdata->ioaddr + RTC_TIME_REG_OFFS);
 		if (rtc_time == 0x01000000) {
 			dev_err(&pdev->dev, "internal RTC not ticking\n");
-			return -ENODEV;
+			ret = -ENODEV;
+			goto out;
 		}
 	}
 
@@ -268,8 +278,10 @@ static int __devinit mv_rtc_probe(struct platform_device *pdev)
 	} else
 		pdata->rtc = rtc_device_register(pdev->name, &pdev->dev,
 						 &mv_rtc_ops, THIS_MODULE);
-	if (IS_ERR(pdata->rtc))
-		return PTR_ERR(pdata->rtc);
+	if (IS_ERR(pdata->rtc)) {
+		ret = PTR_ERR(pdata->rtc);
+		goto out;
+	}
 
 	if (pdata->irq >= 0) {
 		writel(0, pdata->ioaddr + RTC_ALARM_INTERRUPT_MASK_REG_OFFS);
@@ -282,6 +294,11 @@ static int __devinit mv_rtc_probe(struct platform_device *pdev)
 	}
 
 	return 0;
+out:
+	if (!IS_ERR(pdata->clk))
+		clk_disable_unprepare(pdata->clk);
+
+	return ret;
 }
 
 static int __exit mv_rtc_remove(struct platform_device *pdev)
@@ -292,6 +309,9 @@ static int __exit mv_rtc_remove(struct platform_device *pdev)
 		device_init_wakeup(&pdev->dev, 0);
 
 	rtc_device_unregister(pdata->rtc);
+	if (!IS_ERR(pdata->clk))
+		clk_disable_unprepare(pdata->clk);
+
 	return 0;
 }
 
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index cd0106293a4..1c3ef728956 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -17,8 +17,6 @@
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 
-#include <mach/hardware.h>
-
 #define RTC_INPUT_CLK_32768HZ	(0x00 << 5)
 #define RTC_INPUT_CLK_32000HZ	(0x01 << 5)
 #define RTC_INPUT_CLK_38400HZ	(0x02 << 5)
@@ -72,14 +70,38 @@ static const u32 PIE_BIT_DEF[MAX_PIE_NUM][2] = {
 #define RTC_TEST2	0x2C	/*  32bit rtc test reg 2 */
 #define RTC_TEST3	0x30	/*  32bit rtc test reg 3 */
 
+enum imx_rtc_type {
+	IMX1_RTC,
+	IMX21_RTC,
+};
+
 struct rtc_plat_data {
 	struct rtc_device *rtc;
 	void __iomem *ioaddr;
 	int irq;
 	struct clk *clk;
 	struct rtc_time g_rtc_alarm;
+	enum imx_rtc_type devtype;
 };
 
+static struct platform_device_id imx_rtc_devtype[] = {
+	{
+		.name = "imx1-rtc",
+		.driver_data = IMX1_RTC,
+	}, {
+		.name = "imx21-rtc",
+		.driver_data = IMX21_RTC,
+	}, {
+		/* sentinel */
+	}
+};
+MODULE_DEVICE_TABLE(platform, imx_rtc_devtype);
+
+static inline int is_imx1_rtc(struct rtc_plat_data *data)
+{
+	return data->devtype == IMX1_RTC;
+}
+
 /*
  * This function is used to obtain the RTC time or the alarm value in
  * second.
@@ -278,10 +300,13 @@ static int mxc_rtc_read_time(struct device *dev, struct rtc_time *tm)
  */
 static int mxc_rtc_set_mmss(struct device *dev, unsigned long time)
 {
+	struct platform_device *pdev = to_platform_device(dev);
+	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
+
 	/*
 	 * TTC_DAYR register is 9-bit in MX1 SoC, save time and day of year only
 	 */
-	if (cpu_is_mx1()) {
+	if (is_imx1_rtc(pdata)) {
 		struct rtc_time tm;
 
 		rtc_time_to_tm(time, &tm);
@@ -343,7 +368,7 @@ static struct rtc_class_ops mxc_rtc_ops = {
 	.alarm_irq_enable	= mxc_rtc_alarm_irq_enable,
 };
 
-static int __devinit mxc_rtc_probe(struct platform_device *pdev)
+static int mxc_rtc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct rtc_device *rtc;
@@ -360,6 +385,8 @@ static int __devinit mxc_rtc_probe(struct platform_device *pdev)
 	if (!pdata)
 		return -ENOMEM;
 
+	pdata->devtype = pdev->id_entry->driver_data;
+
 	if (!devm_request_mem_region(&pdev->dev, res->start,
 				     resource_size(res), pdev->name))
 		return -EBUSY;
@@ -433,7 +460,7 @@ exit_free_pdata:
 	return ret;
 }
 
-static int __devexit mxc_rtc_remove(struct platform_device *pdev)
+static int mxc_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
@@ -480,8 +507,9 @@ static struct platform_driver mxc_rtc_driver = {
 #endif
 		   .owner	= THIS_MODULE,
 	},
+	.id_table = imx_rtc_devtype,
 	.probe = mxc_rtc_probe,
-	.remove = __devexit_p(mxc_rtc_remove),
+	.remove = mxc_rtc_remove,
 };
 
 module_platform_driver(mxc_rtc_driver)
diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c
index b79010987d1..a63680850fe 100644
--- a/drivers/rtc/rtc-nuc900.c
+++ b/drivers/rtc/rtc-nuc900.c
@@ -222,7 +222,7 @@ static struct rtc_class_ops nuc900_rtc_ops = {
 	.alarm_irq_enable = nuc900_alarm_irq_enable,
 };
 
-static int __devinit nuc900_rtc_probe(struct platform_device *pdev)
+static int nuc900_rtc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct nuc900_rtc *nuc900_rtc;
@@ -284,7 +284,7 @@ fail1:	kfree(nuc900_rtc);
 	return err;
 }
 
-static int __devexit nuc900_rtc_remove(struct platform_device *pdev)
+static int nuc900_rtc_remove(struct platform_device *pdev)
 {
 	struct nuc900_rtc *nuc900_rtc = platform_get_drvdata(pdev);
 	struct resource *res;
@@ -304,7 +304,7 @@ static int __devexit nuc900_rtc_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver nuc900_rtc_driver = {
-	.remove		= __devexit_p(nuc900_rtc_remove),
+	.remove		= nuc900_rtc_remove,
 	.driver		= {
 		.name	= "nuc900-rtc",
 		.owner	= THIS_MODULE,
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index 0b614e32653..600971407aa 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -20,6 +20,9 @@
 #include <linux/rtc.h>
 #include <linux/bcd.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/pm_runtime.h>
 
 #include <asm/io.h>
 
@@ -38,6 +41,8 @@
  * the SoC). See the BOARD-SPECIFIC CUSTOMIZATION comment.
  */
 
+#define	DRIVER_NAME			"omap_rtc"
+
 #define OMAP_RTC_BASE			0xfffb4800
 
 /* RTC registers */
@@ -64,6 +69,9 @@
 #define OMAP_RTC_COMP_MSB_REG		0x50
 #define OMAP_RTC_OSC_REG		0x54
 
+#define OMAP_RTC_KICK0_REG		0x6c
+#define OMAP_RTC_KICK1_REG		0x70
+
 /* OMAP_RTC_CTRL_REG bit fields: */
 #define OMAP_RTC_CTRL_SPLIT		(1<<7)
 #define OMAP_RTC_CTRL_DISABLE		(1<<6)
@@ -88,10 +96,18 @@
 #define OMAP_RTC_INTERRUPTS_IT_ALARM    (1<<3)
 #define OMAP_RTC_INTERRUPTS_IT_TIMER    (1<<2)
 
+/* OMAP_RTC_KICKER values */
+#define	KICK0_VALUE			0x83e70b13
+#define	KICK1_VALUE			0x95a4f1e0
+
+#define	OMAP_RTC_HAS_KICKER		0x1
+
 static void __iomem	*rtc_base;
 
-#define rtc_read(addr)		__raw_readb(rtc_base + (addr))
-#define rtc_write(val, addr)	__raw_writeb(val, rtc_base + (addr))
+#define rtc_read(addr)		readb(rtc_base + (addr))
+#define rtc_write(val, addr)	writeb(val, rtc_base + (addr))
+
+#define rtc_writel(val, addr)	writel(val, rtc_base + (addr))
 
 
 /* we rely on the rtc framework to handle locking (rtc->ops_lock),
@@ -285,11 +301,38 @@ static struct rtc_class_ops omap_rtc_ops = {
 static int omap_rtc_alarm;
 static int omap_rtc_timer;
 
+#define	OMAP_RTC_DATA_DA830_IDX	1
+
+static struct platform_device_id omap_rtc_devtype[] = {
+	{
+		.name	= DRIVER_NAME,
+	}, {
+		.name	= "da830-rtc",
+		.driver_data = OMAP_RTC_HAS_KICKER,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(platform, omap_rtc_devtype);
+
+static const struct of_device_id omap_rtc_of_match[] = {
+	{	.compatible	= "ti,da830-rtc",
+		.data		= &omap_rtc_devtype[OMAP_RTC_DATA_DA830_IDX],
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, omap_rtc_of_match);
+
 static int __init omap_rtc_probe(struct platform_device *pdev)
 {
 	struct resource		*res, *mem;
 	struct rtc_device	*rtc;
 	u8			reg, new_ctrl;
+	const struct platform_device_id *id_entry;
+	const struct of_device_id *of_id;
+
+	of_id = of_match_device(omap_rtc_of_match, &pdev->dev);
+	if (of_id)
+		pdev->id_entry = of_id->data;
 
 	omap_rtc_timer = platform_get_irq(pdev, 0);
 	if (omap_rtc_timer <= 0) {
@@ -322,6 +365,16 @@ static int __init omap_rtc_probe(struct platform_device *pdev)
 		goto fail;
 	}
 
+	/* Enable the clock/module so that we can access the registers */
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_get_sync(&pdev->dev);
+
+	id_entry = platform_get_device_id(pdev);
+	if (id_entry && (id_entry->driver_data & OMAP_RTC_HAS_KICKER)) {
+		rtc_writel(KICK0_VALUE, OMAP_RTC_KICK0_REG);
+		rtc_writel(KICK1_VALUE, OMAP_RTC_KICK1_REG);
+	}
+
 	rtc = rtc_device_register(pdev->name, &pdev->dev,
 			&omap_rtc_ops, THIS_MODULE);
 	if (IS_ERR(rtc)) {
@@ -398,6 +451,10 @@ fail2:
 fail1:
 	rtc_device_unregister(rtc);
 fail0:
+	if (id_entry && (id_entry->driver_data & OMAP_RTC_HAS_KICKER))
+		rtc_writel(0, OMAP_RTC_KICK0_REG);
+	pm_runtime_put_sync(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
 	iounmap(rtc_base);
 fail:
 	release_mem_region(mem->start, resource_size(mem));
@@ -408,6 +465,8 @@ static int __exit omap_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_device	*rtc = platform_get_drvdata(pdev);
 	struct resource		*mem = dev_get_drvdata(&rtc->dev);
+	const struct platform_device_id *id_entry =
+				platform_get_device_id(pdev);
 
 	device_init_wakeup(&pdev->dev, 0);
 
@@ -420,6 +479,13 @@ static int __exit omap_rtc_remove(struct platform_device *pdev)
 		free_irq(omap_rtc_alarm, rtc);
 
 	rtc_device_unregister(rtc);
+	if (id_entry && (id_entry->driver_data & OMAP_RTC_HAS_KICKER))
+		rtc_writel(0, OMAP_RTC_KICK0_REG);
+
+	/* Disable the clock/module */
+	pm_runtime_put_sync(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
+
 	iounmap(rtc_base);
 	release_mem_region(mem->start, resource_size(mem));
 	return 0;
@@ -442,11 +508,17 @@ static int omap_rtc_suspend(struct platform_device *pdev, pm_message_t state)
 	else
 		rtc_write(0, OMAP_RTC_INTERRUPTS_REG);
 
+	/* Disable the clock/module */
+	pm_runtime_put_sync(&pdev->dev);
+
 	return 0;
 }
 
 static int omap_rtc_resume(struct platform_device *pdev)
 {
+	/* Enable the clock/module so that we can access the registers */
+	pm_runtime_get_sync(&pdev->dev);
+
 	if (device_may_wakeup(&pdev->dev))
 		disable_irq_wake(omap_rtc_alarm);
 	else
@@ -471,9 +543,11 @@ static struct platform_driver omap_rtc_driver = {
 	.resume		= omap_rtc_resume,
 	.shutdown	= omap_rtc_shutdown,
 	.driver		= {
-		.name	= "omap_rtc",
+		.name	= DRIVER_NAME,
 		.owner	= THIS_MODULE,
+		.of_match_table = of_match_ptr(omap_rtc_of_match),
 	},
+	.id_table	= omap_rtc_devtype,
 };
 
 static int __init rtc_init(void)
diff --git a/drivers/rtc/rtc-palmas.c b/drivers/rtc/rtc-palmas.c
new file mode 100644
index 00000000000..59c42986254
--- /dev/null
+++ b/drivers/rtc/rtc-palmas.c
@@ -0,0 +1,339 @@
+/*
+ * rtc-palmas.c -- Palmas Real Time Clock driver.
+
+ * RTC driver for TI Palma series devices like TPS65913,
+ * TPS65914 power management IC.
+ *
+ * Copyright (c) 2012, NVIDIA Corporation.
+ *
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
+ * whether express or implied; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307, USA
+ */
+
+#include <linux/bcd.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mfd/palmas.h>
+#include <linux/module.h>
+#include <linux/rtc.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+
+struct palmas_rtc {
+	struct rtc_device	*rtc;
+	struct device		*dev;
+	unsigned int		irq;
+};
+
+/* Total number of RTC registers needed to set time*/
+#define PALMAS_NUM_TIME_REGS	(PALMAS_YEARS_REG - PALMAS_SECONDS_REG + 1)
+
+static int palmas_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	unsigned char rtc_data[PALMAS_NUM_TIME_REGS];
+	struct palmas *palmas = dev_get_drvdata(dev->parent);
+	int ret;
+
+	/* Copy RTC counting registers to static registers or latches */
+	ret = palmas_update_bits(palmas, PALMAS_RTC_BASE, PALMAS_RTC_CTRL_REG,
+		PALMAS_RTC_CTRL_REG_GET_TIME, PALMAS_RTC_CTRL_REG_GET_TIME);
+	if (ret < 0) {
+		dev_err(dev, "RTC CTRL reg update failed, err: %d\n", ret);
+		return ret;
+	}
+
+	ret = palmas_bulk_read(palmas, PALMAS_RTC_BASE, PALMAS_SECONDS_REG,
+			rtc_data, PALMAS_NUM_TIME_REGS);
+	if (ret < 0) {
+		dev_err(dev, "RTC_SECONDS reg read failed, err = %d\n", ret);
+		return ret;
+	}
+
+	tm->tm_sec = bcd2bin(rtc_data[0]);
+	tm->tm_min = bcd2bin(rtc_data[1]);
+	tm->tm_hour = bcd2bin(rtc_data[2]);
+	tm->tm_mday = bcd2bin(rtc_data[3]);
+	tm->tm_mon = bcd2bin(rtc_data[4]) - 1;
+	tm->tm_year = bcd2bin(rtc_data[5]) + 100;
+
+	return ret;
+}
+
+static int palmas_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	unsigned char rtc_data[PALMAS_NUM_TIME_REGS];
+	struct palmas *palmas = dev_get_drvdata(dev->parent);
+	int ret;
+
+	rtc_data[0] = bin2bcd(tm->tm_sec);
+	rtc_data[1] = bin2bcd(tm->tm_min);
+	rtc_data[2] = bin2bcd(tm->tm_hour);
+	rtc_data[3] = bin2bcd(tm->tm_mday);
+	rtc_data[4] = bin2bcd(tm->tm_mon + 1);
+	rtc_data[5] = bin2bcd(tm->tm_year - 100);
+
+	/* Stop RTC while updating the RTC time registers */
+	ret = palmas_update_bits(palmas, PALMAS_RTC_BASE, PALMAS_RTC_CTRL_REG,
+		PALMAS_RTC_CTRL_REG_STOP_RTC, 0);
+	if (ret < 0) {
+		dev_err(dev, "RTC stop failed, err = %d\n", ret);
+		return ret;
+	}
+
+	ret = palmas_bulk_write(palmas, PALMAS_RTC_BASE, PALMAS_SECONDS_REG,
+		rtc_data, PALMAS_NUM_TIME_REGS);
+	if (ret < 0) {
+		dev_err(dev, "RTC_SECONDS reg write failed, err = %d\n", ret);
+		return ret;
+	}
+
+	/* Start back RTC */
+	ret = palmas_update_bits(palmas, PALMAS_RTC_BASE, PALMAS_RTC_CTRL_REG,
+		PALMAS_RTC_CTRL_REG_STOP_RTC, PALMAS_RTC_CTRL_REG_STOP_RTC);
+	if (ret < 0)
+		dev_err(dev, "RTC start failed, err = %d\n", ret);
+	return ret;
+}
+
+static int palmas_rtc_alarm_irq_enable(struct device *dev, unsigned enabled)
+{
+	struct palmas *palmas = dev_get_drvdata(dev->parent);
+	u8 val;
+
+	val = enabled ? PALMAS_RTC_INTERRUPTS_REG_IT_ALARM : 0;
+	return palmas_write(palmas, PALMAS_RTC_BASE,
+		PALMAS_RTC_INTERRUPTS_REG, val);
+}
+
+static int palmas_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
+{
+	unsigned char alarm_data[PALMAS_NUM_TIME_REGS];
+	u32 int_val;
+	struct palmas *palmas = dev_get_drvdata(dev->parent);
+	int ret;
+
+	ret = palmas_bulk_read(palmas, PALMAS_RTC_BASE,
+			PALMAS_ALARM_SECONDS_REG,
+			alarm_data, PALMAS_NUM_TIME_REGS);
+	if (ret < 0) {
+		dev_err(dev, "RTC_ALARM_SECONDS read failed, err = %d\n", ret);
+		return ret;
+	}
+
+	alm->time.tm_sec = bcd2bin(alarm_data[0]);
+	alm->time.tm_min = bcd2bin(alarm_data[1]);
+	alm->time.tm_hour = bcd2bin(alarm_data[2]);
+	alm->time.tm_mday = bcd2bin(alarm_data[3]);
+	alm->time.tm_mon = bcd2bin(alarm_data[4]) - 1;
+	alm->time.tm_year = bcd2bin(alarm_data[5]) + 100;
+
+	ret = palmas_read(palmas, PALMAS_RTC_BASE, PALMAS_RTC_INTERRUPTS_REG,
+			&int_val);
+	if (ret < 0) {
+		dev_err(dev, "RTC_INTERRUPTS reg read failed, err = %d\n", ret);
+		return ret;
+	}
+
+	if (int_val & PALMAS_RTC_INTERRUPTS_REG_IT_ALARM)
+		alm->enabled = 1;
+	return ret;
+}
+
+static int palmas_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
+{
+	unsigned char alarm_data[PALMAS_NUM_TIME_REGS];
+	struct palmas *palmas = dev_get_drvdata(dev->parent);
+	int ret;
+
+	ret = palmas_rtc_alarm_irq_enable(dev, 0);
+	if (ret < 0) {
+		dev_err(dev, "Disable RTC alarm failed\n");
+		return ret;
+	}
+
+	alarm_data[0] = bin2bcd(alm->time.tm_sec);
+	alarm_data[1] = bin2bcd(alm->time.tm_min);
+	alarm_data[2] = bin2bcd(alm->time.tm_hour);
+	alarm_data[3] = bin2bcd(alm->time.tm_mday);
+	alarm_data[4] = bin2bcd(alm->time.tm_mon + 1);
+	alarm_data[5] = bin2bcd(alm->time.tm_year - 100);
+
+	ret = palmas_bulk_write(palmas, PALMAS_RTC_BASE,
+		PALMAS_ALARM_SECONDS_REG, alarm_data, PALMAS_NUM_TIME_REGS);
+	if (ret < 0) {
+		dev_err(dev, "ALARM_SECONDS_REG write failed, err = %d\n", ret);
+		return ret;
+	}
+
+	if (alm->enabled)
+		ret = palmas_rtc_alarm_irq_enable(dev, 1);
+	return ret;
+}
+
+static int palmas_clear_interrupts(struct device *dev)
+{
+	struct palmas *palmas = dev_get_drvdata(dev->parent);
+	unsigned int rtc_reg;
+	int ret;
+
+	ret = palmas_read(palmas, PALMAS_RTC_BASE, PALMAS_RTC_STATUS_REG,
+				&rtc_reg);
+	if (ret < 0) {
+		dev_err(dev, "RTC_STATUS read failed, err = %d\n", ret);
+		return ret;
+	}
+
+	ret = palmas_write(palmas, PALMAS_RTC_BASE, PALMAS_RTC_STATUS_REG,
+			rtc_reg);
+	if (ret < 0) {
+		dev_err(dev, "RTC_STATUS write failed, err = %d\n", ret);
+		return ret;
+	}
+	return 0;
+}
+
+static irqreturn_t palmas_rtc_interrupt(int irq, void *context)
+{
+	struct palmas_rtc *palmas_rtc = context;
+	struct device *dev = palmas_rtc->dev;
+	int ret;
+
+	ret = palmas_clear_interrupts(dev);
+	if (ret < 0) {
+		dev_err(dev, "RTC interrupt clear failed, err = %d\n", ret);
+		return IRQ_NONE;
+	}
+
+	rtc_update_irq(palmas_rtc->rtc, 1, RTC_IRQF | RTC_AF);
+	return IRQ_HANDLED;
+}
+
+static struct rtc_class_ops palmas_rtc_ops = {
+	.read_time	= palmas_rtc_read_time,
+	.set_time	= palmas_rtc_set_time,
+	.read_alarm	= palmas_rtc_read_alarm,
+	.set_alarm	= palmas_rtc_set_alarm,
+	.alarm_irq_enable = palmas_rtc_alarm_irq_enable,
+};
+
+static int palmas_rtc_probe(struct platform_device *pdev)
+{
+	struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
+	struct palmas_rtc *palmas_rtc = NULL;
+	int ret;
+
+	palmas_rtc = devm_kzalloc(&pdev->dev, sizeof(struct palmas_rtc),
+			GFP_KERNEL);
+	if (!palmas_rtc)
+		return -ENOMEM;
+
+	/* Clear pending interrupts */
+	ret = palmas_clear_interrupts(&pdev->dev);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "clear RTC int failed, err = %d\n", ret);
+		return ret;
+	}
+
+	palmas_rtc->dev = &pdev->dev;
+	platform_set_drvdata(pdev, palmas_rtc);
+
+	/* Start RTC */
+	ret = palmas_update_bits(palmas, PALMAS_RTC_BASE, PALMAS_RTC_CTRL_REG,
+			PALMAS_RTC_CTRL_REG_STOP_RTC,
+			PALMAS_RTC_CTRL_REG_STOP_RTC);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "RTC_CTRL write failed, err = %d\n", ret);
+		return ret;
+	}
+
+	palmas_rtc->irq = platform_get_irq(pdev, 0);
+
+	palmas_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
+				&palmas_rtc_ops, THIS_MODULE);
+	if (IS_ERR(palmas_rtc->rtc)) {
+		ret = PTR_ERR(palmas_rtc->rtc);
+		dev_err(&pdev->dev, "RTC register failed, err = %d\n", ret);
+		return ret;
+	}
+
+	ret = request_threaded_irq(palmas_rtc->irq, NULL,
+			palmas_rtc_interrupt,
+			IRQF_TRIGGER_LOW | IRQF_ONESHOT |
+			IRQF_EARLY_RESUME,
+			dev_name(&pdev->dev), palmas_rtc);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "IRQ request failed, err = %d\n", ret);
+		rtc_device_unregister(palmas_rtc->rtc);
+		return ret;
+	}
+
+	device_set_wakeup_capable(&pdev->dev, 1);
+	return 0;
+}
+
+static int palmas_rtc_remove(struct platform_device *pdev)
+{
+	struct palmas_rtc *palmas_rtc = platform_get_drvdata(pdev);
+
+	palmas_rtc_alarm_irq_enable(&pdev->dev, 0);
+	free_irq(palmas_rtc->irq, palmas_rtc);
+	rtc_device_unregister(palmas_rtc->rtc);
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int palmas_rtc_suspend(struct device *dev)
+{
+	struct palmas_rtc *palmas_rtc = dev_get_drvdata(dev);
+
+	if (device_may_wakeup(dev))
+		enable_irq_wake(palmas_rtc->irq);
+	return 0;
+}
+
+static int palmas_rtc_resume(struct device *dev)
+{
+	struct palmas_rtc *palmas_rtc = dev_get_drvdata(dev);
+
+	if (device_may_wakeup(dev))
+		disable_irq_wake(palmas_rtc->irq);
+	return 0;
+}
+#endif
+
+static const struct dev_pm_ops palmas_rtc_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(palmas_rtc_suspend, palmas_rtc_resume)
+};
+
+static struct platform_driver palmas_rtc_driver = {
+	.probe		= palmas_rtc_probe,
+	.remove		= palmas_rtc_remove,
+	.driver		= {
+		.owner	= THIS_MODULE,
+		.name	= "palmas-rtc",
+		.pm	= &palmas_rtc_pm_ops,
+	},
+};
+
+module_platform_driver(palmas_rtc_driver);
+
+MODULE_ALIAS("platform:palmas_rtc");
+MODULE_DESCRIPTION("TI PALMAS series RTC driver");
+MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/rtc/rtc-pcap.c b/drivers/rtc/rtc-pcap.c
index cd4f198cc2e..e0019cd0bf7 100644
--- a/drivers/rtc/rtc-pcap.c
+++ b/drivers/rtc/rtc-pcap.c
@@ -139,7 +139,7 @@ static const struct rtc_class_ops pcap_rtc_ops = {
 	.alarm_irq_enable = pcap_rtc_alarm_irq_enable,
 };
 
-static int __devinit pcap_rtc_probe(struct platform_device *pdev)
+static int pcap_rtc_probe(struct platform_device *pdev)
 {
 	struct pcap_rtc *pcap_rtc;
 	int timer_irq, alarm_irq;
@@ -183,7 +183,7 @@ fail_rtc:
 	return err;
 }
 
-static int __devexit pcap_rtc_remove(struct platform_device *pdev)
+static int pcap_rtc_remove(struct platform_device *pdev)
 {
 	struct pcap_rtc *pcap_rtc = platform_get_drvdata(pdev);
 
@@ -196,7 +196,7 @@ static int __devexit pcap_rtc_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver pcap_rtc_driver = {
-	.remove = __devexit_p(pcap_rtc_remove),
+	.remove = pcap_rtc_remove,
 	.driver = {
 		.name  = "pcap-rtc",
 		.owner = THIS_MODULE,
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index 13e4df63974..02b742afa76 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -219,7 +219,7 @@ static const struct rtc_class_ops pcf2123_rtc_ops = {
 	.set_time	= pcf2123_rtc_set_time,
 };
 
-static int __devinit pcf2123_probe(struct spi_device *spi)
+static int pcf2123_probe(struct spi_device *spi)
 {
 	struct rtc_device *rtc;
 	struct pcf2123_plat_data *pdata;
@@ -319,7 +319,7 @@ kfree_exit:
 	return ret;
 }
 
-static int __devexit pcf2123_remove(struct spi_device *spi)
+static int pcf2123_remove(struct spi_device *spi)
 {
 	struct pcf2123_plat_data *pdata = spi->dev.platform_data;
 	int i;
@@ -345,7 +345,7 @@ static struct spi_driver pcf2123_driver = {
 			.owner	= THIS_MODULE,
 	},
 	.probe	= pcf2123_probe,
-	.remove	= __devexit_p(pcf2123_remove),
+	.remove	= pcf2123_remove,
 };
 
 module_spi_driver(pcf2123_driver);
diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c
index a20202f9ee5..e9f3135d305 100644
--- a/drivers/rtc/rtc-pcf50633.c
+++ b/drivers/rtc/rtc-pcf50633.c
@@ -248,7 +248,7 @@ static void pcf50633_rtc_irq(int irq, void *data)
 	rtc->alarm_pending = 1;
 }
 
-static int __devinit pcf50633_rtc_probe(struct platform_device *pdev)
+static int pcf50633_rtc_probe(struct platform_device *pdev)
 {
 	struct pcf50633_rtc *rtc;
 
@@ -272,7 +272,7 @@ static int __devinit pcf50633_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __devexit pcf50633_rtc_remove(struct platform_device *pdev)
+static int pcf50633_rtc_remove(struct platform_device *pdev)
 {
 	struct pcf50633_rtc *rtc;
 
@@ -291,7 +291,7 @@ static struct platform_driver pcf50633_rtc_driver = {
 		.name = "pcf50633-rtc",
 	},
 	.probe = pcf50633_rtc_probe,
-	.remove = __devexit_p(pcf50633_rtc_remove),
+	.remove = pcf50633_rtc_remove,
 };
 
 module_platform_driver(pcf50633_rtc_driver);
diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c
new file mode 100644
index 00000000000..889e3160e70
--- /dev/null
+++ b/drivers/rtc/rtc-pcf8523.c
@@ -0,0 +1,357 @@
+/*
+ * Copyright (C) 2012 Avionic Design GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/bcd.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/rtc.h>
+#include <linux/of.h>
+
+#define DRIVER_NAME "rtc-pcf8523"
+
+#define REG_CONTROL1 0x00
+#define REG_CONTROL1_CAP_SEL (1 << 7)
+#define REG_CONTROL1_STOP    (1 << 5)
+
+#define REG_CONTROL3 0x02
+#define REG_CONTROL3_PM_BLD (1 << 7) /* battery low detection disabled */
+#define REG_CONTROL3_PM_VDD (1 << 6) /* switch-over disabled */
+#define REG_CONTROL3_PM_DSM (1 << 5) /* direct switching mode */
+#define REG_CONTROL3_PM_MASK 0xe0
+#define REG_CONTROL3_BLF (1 << 2) /* battery low bit, read-only */
+
+#define REG_SECONDS  0x03
+#define REG_SECONDS_OS (1 << 7)
+
+#define REG_MINUTES  0x04
+#define REG_HOURS    0x05
+#define REG_DAYS     0x06
+#define REG_WEEKDAYS 0x07
+#define REG_MONTHS   0x08
+#define REG_YEARS    0x09
+
+struct pcf8523 {
+	struct rtc_device *rtc;
+};
+
+static int pcf8523_read(struct i2c_client *client, u8 reg, u8 *valuep)
+{
+	struct i2c_msg msgs[2];
+	u8 value = 0;
+	int err;
+
+	msgs[0].addr = client->addr;
+	msgs[0].flags = 0;
+	msgs[0].len = sizeof(reg);
+	msgs[0].buf = &reg;
+
+	msgs[1].addr = client->addr;
+	msgs[1].flags = I2C_M_RD;
+	msgs[1].len = sizeof(value);
+	msgs[1].buf = &value;
+
+	err = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+	if (err < 0)
+		return err;
+
+	*valuep = value;
+
+	return 0;
+}
+
+static int pcf8523_write(struct i2c_client *client, u8 reg, u8 value)
+{
+	u8 buffer[2] = { reg, value };
+	struct i2c_msg msg;
+	int err;
+
+	msg.addr = client->addr;
+	msg.flags = 0;
+	msg.len = sizeof(buffer);
+	msg.buf = buffer;
+
+	err = i2c_transfer(client->adapter, &msg, 1);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int pcf8523_select_capacitance(struct i2c_client *client, bool high)
+{
+	u8 value;
+	int err;
+
+	err = pcf8523_read(client, REG_CONTROL1, &value);
+	if (err < 0)
+		return err;
+
+	if (!high)
+		value &= ~REG_CONTROL1_CAP_SEL;
+	else
+		value |= REG_CONTROL1_CAP_SEL;
+
+	err = pcf8523_write(client, REG_CONTROL1, value);
+	if (err < 0)
+		return err;
+
+	return err;
+}
+
+static int pcf8523_set_pm(struct i2c_client *client, u8 pm)
+{
+	u8 value;
+	int err;
+
+	err = pcf8523_read(client, REG_CONTROL3, &value);
+	if (err < 0)
+		return err;
+
+	value = (value & ~REG_CONTROL3_PM_MASK) | pm;
+
+	err = pcf8523_write(client, REG_CONTROL3, value);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int pcf8523_stop_rtc(struct i2c_client *client)
+{
+	u8 value;
+	int err;
+
+	err = pcf8523_read(client, REG_CONTROL1, &value);
+	if (err < 0)
+		return err;
+
+	value |= REG_CONTROL1_STOP;
+
+	err = pcf8523_write(client, REG_CONTROL1, value);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int pcf8523_start_rtc(struct i2c_client *client)
+{
+	u8 value;
+	int err;
+
+	err = pcf8523_read(client, REG_CONTROL1, &value);
+	if (err < 0)
+		return err;
+
+	value &= ~REG_CONTROL1_STOP;
+
+	err = pcf8523_write(client, REG_CONTROL1, value);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int pcf8523_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	u8 start = REG_SECONDS, regs[7];
+	struct i2c_msg msgs[2];
+	int err;
+
+	msgs[0].addr = client->addr;
+	msgs[0].flags = 0;
+	msgs[0].len = 1;
+	msgs[0].buf = &start;
+
+	msgs[1].addr = client->addr;
+	msgs[1].flags = I2C_M_RD;
+	msgs[1].len = sizeof(regs);
+	msgs[1].buf = regs;
+
+	err = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+	if (err < 0)
+		return err;
+
+	if (regs[0] & REG_SECONDS_OS) {
+		/*
+		 * If the oscillator was stopped, try to clear the flag. Upon
+		 * power-up the flag is always set, but if we cannot clear it
+		 * the oscillator isn't running properly for some reason. The
+		 * sensible thing therefore is to return an error, signalling
+		 * that the clock cannot be assumed to be correct.
+		 */
+
+		regs[0] &= ~REG_SECONDS_OS;
+
+		err = pcf8523_write(client, REG_SECONDS, regs[0]);
+		if (err < 0)
+			return err;
+
+		err = pcf8523_read(client, REG_SECONDS, &regs[0]);
+		if (err < 0)
+			return err;
+
+		if (regs[0] & REG_SECONDS_OS)
+			return -EAGAIN;
+	}
+
+	tm->tm_sec = bcd2bin(regs[0] & 0x7f);
+	tm->tm_min = bcd2bin(regs[1] & 0x7f);
+	tm->tm_hour = bcd2bin(regs[2] & 0x3f);
+	tm->tm_mday = bcd2bin(regs[3] & 0x3f);
+	tm->tm_wday = regs[4] & 0x7;
+	tm->tm_mon = bcd2bin(regs[5] & 0x1f);
+	tm->tm_year = bcd2bin(regs[6]) + 100;
+
+	return rtc_valid_tm(tm);
+}
+
+static int pcf8523_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct i2c_msg msg;
+	u8 regs[8];
+	int err;
+
+	err = pcf8523_stop_rtc(client);
+	if (err < 0)
+		return err;
+
+	regs[0] = REG_SECONDS;
+	regs[1] = bin2bcd(tm->tm_sec);
+	regs[2] = bin2bcd(tm->tm_min);
+	regs[3] = bin2bcd(tm->tm_hour);
+	regs[4] = bin2bcd(tm->tm_mday);
+	regs[5] = tm->tm_wday;
+	regs[6] = bin2bcd(tm->tm_mon);
+	regs[7] = bin2bcd(tm->tm_year - 100);
+
+	msg.addr = client->addr;
+	msg.flags = 0;
+	msg.len = sizeof(regs);
+	msg.buf = regs;
+
+	err = i2c_transfer(client->adapter, &msg, 1);
+	if (err < 0) {
+		/*
+		 * If the time cannot be set, restart the RTC anyway. Note
+		 * that errors are ignored if the RTC cannot be started so
+		 * that we have a chance to propagate the original error.
+		 */
+		pcf8523_start_rtc(client);
+		return err;
+	}
+
+	return pcf8523_start_rtc(client);
+}
+
+#ifdef CONFIG_RTC_INTF_DEV
+static int pcf8523_rtc_ioctl(struct device *dev, unsigned int cmd,
+			     unsigned long arg)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	u8 value;
+	int ret = 0, err;
+
+	switch (cmd) {
+	case RTC_VL_READ:
+		err = pcf8523_read(client, REG_CONTROL3, &value);
+		if (err < 0)
+			return err;
+
+		if (value & REG_CONTROL3_BLF)
+			ret = 1;
+
+		if (copy_to_user((void __user *)arg, &ret, sizeof(int)))
+			return -EFAULT;
+
+		return 0;
+	default:
+		return -ENOIOCTLCMD;
+	}
+}
+#else
+#define pcf8523_rtc_ioctl NULL
+#endif
+
+static const struct rtc_class_ops pcf8523_rtc_ops = {
+	.read_time = pcf8523_rtc_read_time,
+	.set_time = pcf8523_rtc_set_time,
+	.ioctl = pcf8523_rtc_ioctl,
+};
+
+static int pcf8523_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
+{
+	struct pcf8523 *pcf;
+	int err;
+
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
+		return -ENODEV;
+
+	pcf = devm_kzalloc(&client->dev, sizeof(*pcf), GFP_KERNEL);
+	if (!pcf)
+		return -ENOMEM;
+
+	err = pcf8523_select_capacitance(client, true);
+	if (err < 0)
+		return err;
+
+	err = pcf8523_set_pm(client, 0);
+	if (err < 0)
+		return err;
+
+	pcf->rtc = rtc_device_register(DRIVER_NAME, &client->dev,
+				       &pcf8523_rtc_ops, THIS_MODULE);
+	if (IS_ERR(pcf->rtc))
+		return PTR_ERR(pcf->rtc);
+
+	i2c_set_clientdata(client, pcf);
+
+	return 0;
+}
+
+static int pcf8523_remove(struct i2c_client *client)
+{
+	struct pcf8523 *pcf = i2c_get_clientdata(client);
+
+	rtc_device_unregister(pcf->rtc);
+
+	return 0;
+}
+
+static const struct i2c_device_id pcf8523_id[] = {
+	{ "pcf8523", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, pcf8523_id);
+
+#ifdef CONFIG_OF
+static const struct of_device_id pcf8523_of_match[] = {
+	{ .compatible = "nxp,pcf8523" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, pcf8523_of_match);
+#endif
+
+static struct i2c_driver pcf8523_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(pcf8523_of_match),
+	},
+	.probe = pcf8523_probe,
+	.remove = pcf8523_remove,
+	.id_table = pcf8523_id,
+};
+module_i2c_driver(pcf8523_driver);
+
+MODULE_AUTHOR("Thierry Reding <thierry.reding@avionic-design.de>");
+MODULE_DESCRIPTION("NXP PCF8523 RTC driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 98e3a2b681e..f7daf18a112 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -181,7 +181,7 @@ static int pcf8563_set_datetime(struct i2c_client *client, struct rtc_time *tm)
 				__func__, err, data[0], data[1]);
 			return -EIO;
 		}
-	};
+	}
 
 	return 0;
 }
@@ -296,7 +296,7 @@ static const struct i2c_device_id pcf8563_id[] = {
 MODULE_DEVICE_TABLE(i2c, pcf8563_id);
 
 #ifdef CONFIG_OF
-static const struct of_device_id pcf8563_of_match[] __devinitconst = {
+static const struct of_device_id pcf8563_of_match[] = {
 	{ .compatible = "nxp,pcf8563" },
 	{}
 };
diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c
index 019ff357116..5f97c61247d 100644
--- a/drivers/rtc/rtc-pcf8583.c
+++ b/drivers/rtc/rtc-pcf8583.c
@@ -185,8 +185,8 @@ static int pcf8583_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	if (ctrl & (CTRL_STOP | CTRL_HOLD)) {
 		unsigned char new_ctrl = ctrl & ~(CTRL_STOP | CTRL_HOLD);
 
-		printk(KERN_WARNING "RTC: resetting control %02x -> %02x\n",
-		       ctrl, new_ctrl);
+		dev_warn(dev, "resetting control %02x -> %02x\n",
+			ctrl, new_ctrl);
 
 		if ((err = pcf8583_set_ctrl(client, &new_ctrl)) < 0)
 			return err;
@@ -294,7 +294,7 @@ exit_kfree:
 	return err;
 }
 
-static int __devexit pcf8583_remove(struct i2c_client *client)
+static int pcf8583_remove(struct i2c_client *client)
 {
 	struct pcf8583 *pcf8583 = i2c_get_clientdata(client);
 
@@ -316,7 +316,7 @@ static struct i2c_driver pcf8583_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= pcf8583_probe,
-	.remove		= __devexit_p(pcf8583_remove),
+	.remove		= pcf8583_remove,
 	.id_table	= pcf8583_id,
 };
 
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 08378e3cc21..8900ea78481 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -44,6 +44,7 @@
 #define RTC_YMR		0x34	/* Year match register */
 #define RTC_YLR		0x38	/* Year data load register */
 
+#define RTC_CR_EN	(1 << 0)	/* counter enable bit */
 #define RTC_CR_CWEN	(1 << 26)	/* Clockwatch enable bit */
 
 #define RTC_TCR_EN	(1 << 1) /* Periodic timer enable bit */
@@ -320,7 +321,7 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
 	struct pl031_local *ldata;
 	struct pl031_vendor_data *vendor = id->data;
 	struct rtc_class_ops *ops = &vendor->ops;
-	unsigned long time;
+	unsigned long time, data;
 
 	ret = amba_request_regions(adev, NULL);
 	if (ret)
@@ -345,10 +346,13 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
 	dev_dbg(&adev->dev, "designer ID = 0x%02x\n", amba_manf(adev));
 	dev_dbg(&adev->dev, "revision = 0x%01x\n", amba_rev(adev));
 
+	data = readl(ldata->base + RTC_CR);
 	/* Enable the clockwatch on ST Variants */
 	if (vendor->clockwatch)
-		writel(readl(ldata->base + RTC_CR) | RTC_CR_CWEN,
-		       ldata->base + RTC_CR);
+		data |= RTC_CR_CWEN;
+	else
+		data |= RTC_CR_EN;
+	writel(data, ldata->base + RTC_CR);
 
 	/*
 	 * On ST PL031 variants, the RTC reset value does not provide correct
@@ -380,6 +384,8 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
 		goto out_no_irq;
 	}
 
+	device_init_wakeup(&adev->dev, 1);
+
 	return 0;
 
 out_no_irq:
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
index d00bd24342a..f1a6557261f 100644
--- a/drivers/rtc/rtc-pm8xxx.c
+++ b/drivers/rtc/rtc-pm8xxx.c
@@ -382,7 +382,7 @@ rtc_alarm_handled:
 	return IRQ_HANDLED;
 }
 
-static int __devinit pm8xxx_rtc_probe(struct platform_device *pdev)
+static int pm8xxx_rtc_probe(struct platform_device *pdev)
 {
 	int rc;
 	u8 ctrl_reg;
@@ -485,7 +485,7 @@ fail_rtc_enable:
 	return rc;
 }
 
-static int __devexit pm8xxx_rtc_remove(struct platform_device *pdev)
+static int pm8xxx_rtc_remove(struct platform_device *pdev)
 {
 	struct pm8xxx_rtc *rtc_dd = platform_get_drvdata(pdev);
 
@@ -524,7 +524,7 @@ static SIMPLE_DEV_PM_OPS(pm8xxx_rtc_pm_ops, pm8xxx_rtc_suspend, pm8xxx_rtc_resum
 
 static struct platform_driver pm8xxx_rtc_driver = {
 	.probe		= pm8xxx_rtc_probe,
-	.remove		= __devexit_p(pm8xxx_rtc_remove),
+	.remove		= pm8xxx_rtc_remove,
 	.driver	= {
 		.name	= PM8XXX_RTC_DEV_NAME,
 		.owner	= THIS_MODULE,
diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c
index ab0acaeb237..0407e13d4de 100644
--- a/drivers/rtc/rtc-puv3.c
+++ b/drivers/rtc/rtc-puv3.c
@@ -220,7 +220,7 @@ static void puv3_rtc_enable(struct platform_device *pdev, int en)
 	}
 }
 
-static int __devexit puv3_rtc_remove(struct platform_device *dev)
+static int puv3_rtc_remove(struct platform_device *dev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(dev);
 
@@ -236,7 +236,7 @@ static int __devexit puv3_rtc_remove(struct platform_device *dev)
 	return 0;
 }
 
-static int __devinit puv3_rtc_probe(struct platform_device *pdev)
+static int puv3_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 	struct resource *res;
@@ -328,7 +328,7 @@ static int puv3_rtc_resume(struct platform_device *pdev)
 
 static struct platform_driver puv3_rtc_driver = {
 	.probe		= puv3_rtc_probe,
-	.remove		= __devexit_p(puv3_rtc_remove),
+	.remove		= puv3_rtc_remove,
 	.suspend	= puv3_rtc_suspend,
 	.resume		= puv3_rtc_resume,
 	.driver		= {
diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c
index f771b2ee4b1..03c85ee719a 100644
--- a/drivers/rtc/rtc-pxa.c
+++ b/drivers/rtc/rtc-pxa.c
@@ -62,6 +62,10 @@
 #define RYxR_MONTH_S	5
 #define RYxR_MONTH_MASK	(0xf << RYxR_MONTH_S)
 #define RYxR_DAY_MASK	0x1f
+#define RDxR_WOM_S     20
+#define RDxR_WOM_MASK  (0x7 << RDxR_WOM_S)
+#define RDxR_DOW_S     17
+#define RDxR_DOW_MASK  (0x7 << RDxR_DOW_S)
 #define RDxR_HOUR_S	12
 #define RDxR_HOUR_MASK	(0x1f << RDxR_HOUR_S)
 #define RDxR_MIN_S	6
@@ -91,6 +95,7 @@ struct pxa_rtc {
 	spinlock_t		lock;		/* Protects this structure */
 };
 
+
 static u32 ryxr_calc(struct rtc_time *tm)
 {
 	return ((tm->tm_year + 1900) << RYxR_YEAR_S)
@@ -100,7 +105,10 @@ static u32 ryxr_calc(struct rtc_time *tm)
 
 static u32 rdxr_calc(struct rtc_time *tm)
 {
-	return (tm->tm_hour << RDxR_HOUR_S) | (tm->tm_min << RDxR_MIN_S)
+	return ((((tm->tm_mday + 6) / 7) << RDxR_WOM_S) & RDxR_WOM_MASK)
+		| (((tm->tm_wday + 1) << RDxR_DOW_S) & RDxR_DOW_MASK)
+		| (tm->tm_hour << RDxR_HOUR_S)
+		| (tm->tm_min << RDxR_MIN_S)
 		| tm->tm_sec;
 }
 
@@ -109,6 +117,7 @@ static void tm_calc(u32 rycr, u32 rdcr, struct rtc_time *tm)
 	tm->tm_year = ((rycr & RYxR_YEAR_MASK) >> RYxR_YEAR_S) - 1900;
 	tm->tm_mon = (((rycr & RYxR_MONTH_MASK) >> RYxR_MONTH_S)) - 1;
 	tm->tm_mday = (rycr & RYxR_DAY_MASK);
+	tm->tm_wday = ((rycr & RDxR_DOW_MASK) >> RDxR_DOW_S) - 1;
 	tm->tm_hour = (rdcr & RDxR_HOUR_MASK) >> RDxR_HOUR_S;
 	tm->tm_min = (rdcr & RDxR_MIN_MASK) >> RDxR_MIN_S;
 	tm->tm_sec = rdcr & RDxR_SEC_MASK;
@@ -300,8 +309,6 @@ static int pxa_rtc_proc(struct device *dev, struct seq_file *seq)
 }
 
 static const struct rtc_class_ops pxa_rtc_ops = {
-	.open = pxa_rtc_open,
-	.release = pxa_rtc_release,
 	.read_time = pxa_rtc_read_time,
 	.set_time = pxa_rtc_set_time,
 	.read_alarm = pxa_rtc_read_alarm,
@@ -341,7 +348,7 @@ static int __init pxa_rtc_probe(struct platform_device *pdev)
 		dev_err(dev, "No alarm IRQ resource defined\n");
 		goto err_ress;
 	}
-
+	pxa_rtc_open(dev);
 	ret = -ENOMEM;
 	pxa_rtc->base = ioremap(pxa_rtc->ress->start,
 				resource_size(pxa_rtc->ress));
@@ -387,6 +394,9 @@ static int __exit pxa_rtc_remove(struct platform_device *pdev)
 {
 	struct pxa_rtc *pxa_rtc = platform_get_drvdata(pdev);
 
+	struct device *dev = &pdev->dev;
+	pxa_rtc_release(dev);
+
 	rtc_device_unregister(pxa_rtc->rtc);
 
 	spin_lock_irq(&pxa_rtc->lock);
@@ -444,10 +454,7 @@ static struct platform_driver pxa_rtc_driver = {
 
 static int __init pxa_rtc_init(void)
 {
-	if (cpu_is_pxa27x() || cpu_is_pxa3xx())
-		return platform_driver_probe(&pxa_rtc_driver, pxa_rtc_probe);
-
-	return -ENODEV;
+	return platform_driver_probe(&pxa_rtc_driver, pxa_rtc_probe);
 }
 
 static void __exit pxa_rtc_exit(void)
diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c
index 2c183ebff71..7726f4a4f2d 100644
--- a/drivers/rtc/rtc-r9701.c
+++ b/drivers/rtc/rtc-r9701.c
@@ -119,7 +119,7 @@ static const struct rtc_class_ops r9701_rtc_ops = {
 	.set_time	= r9701_set_datetime,
 };
 
-static int __devinit r9701_probe(struct spi_device *spi)
+static int r9701_probe(struct spi_device *spi)
 {
 	struct rtc_device *rtc;
 	struct rtc_time dt;
@@ -164,7 +164,7 @@ static int __devinit r9701_probe(struct spi_device *spi)
 	return 0;
 }
 
-static int __devexit r9701_remove(struct spi_device *spi)
+static int r9701_remove(struct spi_device *spi)
 {
 	struct rtc_device *rtc = dev_get_drvdata(&spi->dev);
 
@@ -178,7 +178,7 @@ static struct spi_driver r9701_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe	= r9701_probe,
-	.remove = __devexit_p(r9701_remove),
+	.remove = r9701_remove,
 };
 
 module_spi_driver(r9701_driver);
diff --git a/drivers/rtc/rtc-rc5t583.c b/drivers/rtc/rtc-rc5t583.c
index cdb140c29c5..eb3194d664a 100644
--- a/drivers/rtc/rtc-rc5t583.c
+++ b/drivers/rtc/rtc-rc5t583.c
@@ -211,7 +211,7 @@ static const struct rtc_class_ops rc5t583_rtc_ops = {
 	.alarm_irq_enable = rc5t583_rtc_alarm_irq_enable,
 };
 
-static int __devinit rc5t583_rtc_probe(struct platform_device *pdev)
+static int rc5t583_rtc_probe(struct platform_device *pdev)
 {
 	struct rc5t583 *rc5t583 = dev_get_drvdata(pdev->dev.parent);
 	struct rc5t583_rtc *ricoh_rtc;
@@ -271,7 +271,7 @@ static int __devinit rc5t583_rtc_probe(struct platform_device *pdev)
  * Disable rc5t583 RTC interrupts.
  * Sets status flag to free.
  */
-static int __devexit rc5t583_rtc_remove(struct platform_device *pdev)
+static int rc5t583_rtc_remove(struct platform_device *pdev)
 {
 	struct rc5t583_rtc *rc5t583_rtc = dev_get_drvdata(&pdev->dev);
 
@@ -317,7 +317,7 @@ static const struct dev_pm_ops rc5t583_rtc_pm_ops = {
 
 static struct platform_driver rc5t583_rtc_driver = {
 	.probe		= rc5t583_rtc_probe,
-	.remove		= __devexit_p(rc5t583_rtc_remove),
+	.remove		= rc5t583_rtc_remove,
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "rtc-rc5t583",
diff --git a/drivers/rtc/rtc-rs5c313.c b/drivers/rtc/rtc-rs5c313.c
index e3ff179b99c..d98ea5b759c 100644
--- a/drivers/rtc/rtc-rs5c313.c
+++ b/drivers/rtc/rtc-rs5c313.c
@@ -39,6 +39,8 @@
  *	1.13	Nobuhiro Iwamatsu: Updata driver.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/err.h>
 #include <linux/rtc.h>
@@ -352,8 +354,7 @@ static void rs5c313_check_xstp_bit(void)
 		tm.tm_year 	= 2000 - 1900;
 
 		rs5c313_rtc_set_time(NULL, &tm);
-		printk(KERN_ERR "RICHO RS5C313: invalid value, resetting to "
-				"1 Jan 2000\n");
+		pr_err("invalid value, resetting to 1 Jan 2000\n");
 	}
 	RS5C313_CEDISABLE;
 	ndelay(700);		/* CE:L */
@@ -377,7 +378,7 @@ static int rs5c313_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __devexit rs5c313_rtc_remove(struct platform_device *pdev)
+static int rs5c313_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_device *rtc = platform_get_drvdata( pdev );
 
@@ -392,7 +393,7 @@ static struct platform_driver rs5c313_rtc_platform_driver = {
 		.owner  = THIS_MODULE,
 	},
 	.probe 	= rs5c313_rtc_probe,
-	.remove = __devexit_p( rs5c313_rtc_remove ),
+	.remove = rs5c313_rtc_remove,
 };
 
 static int __init rs5c313_rtc_init(void)
diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c
index fd5c7af04ae..72ef10be866 100644
--- a/drivers/rtc/rtc-rs5c348.c
+++ b/drivers/rtc/rtc-rs5c348.c
@@ -152,7 +152,7 @@ static const struct rtc_class_ops rs5c348_rtc_ops = {
 
 static struct spi_driver rs5c348_driver;
 
-static int __devinit rs5c348_probe(struct spi_device *spi)
+static int rs5c348_probe(struct spi_device *spi)
 {
 	int ret;
 	struct rtc_device *rtc;
@@ -218,7 +218,7 @@ static int __devinit rs5c348_probe(struct spi_device *spi)
 	return ret;
 }
 
-static int __devexit rs5c348_remove(struct spi_device *spi)
+static int rs5c348_remove(struct spi_device *spi)
 {
 	struct rs5c348_plat_data *pdata = spi->dev.platform_data;
 	struct rtc_device *rtc = pdata->rtc;
@@ -235,7 +235,7 @@ static struct spi_driver rs5c348_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe	= rs5c348_probe,
-	.remove	= __devexit_p(rs5c348_remove),
+	.remove	= rs5c348_remove,
 };
 
 module_spi_driver(rs5c348_driver);
diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c
index 76f565ae384..581739f4009 100644
--- a/drivers/rtc/rtc-rs5c372.c
+++ b/drivers/rtc/rtc-rs5c372.c
@@ -311,8 +311,7 @@ static int rs5c_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 		buf &= ~RS5C_CTRL1_AALE;
 
 	if (i2c_smbus_write_byte_data(client, addr, buf) < 0) {
-		printk(KERN_WARNING "%s: can't update alarm\n",
-			rs5c->rtc->name);
+		dev_warn(dev, "can't update alarm\n");
 		status = -EIO;
 	} else
 		rs5c->regs[RS5C_REG_CTRL1] = buf;
@@ -381,7 +380,7 @@ static int rs5c_set_alarm(struct device *dev, struct rtc_wkalrm *t)
 		addr = RS5C_ADDR(RS5C_REG_CTRL1);
 		buf[0] = rs5c->regs[RS5C_REG_CTRL1] & ~RS5C_CTRL1_AALE;
 		if (i2c_smbus_write_byte_data(client, addr, buf[0]) < 0) {
-			pr_debug("%s: can't disable alarm\n", rs5c->rtc->name);
+			dev_dbg(dev, "can't disable alarm\n");
 			return -EIO;
 		}
 		rs5c->regs[RS5C_REG_CTRL1] = buf[0];
@@ -395,7 +394,7 @@ static int rs5c_set_alarm(struct device *dev, struct rtc_wkalrm *t)
 	for (i = 0; i < sizeof(buf); i++) {
 		addr = RS5C_ADDR(RS5C_REG_ALARM_A_MIN + i);
 		if (i2c_smbus_write_byte_data(client, addr, buf[i]) < 0) {
-			pr_debug("%s: can't set alarm time\n", rs5c->rtc->name);
+			dev_dbg(dev, "can't set alarm time\n");
 			return -EIO;
 		}
 	}
@@ -405,8 +404,7 @@ static int rs5c_set_alarm(struct device *dev, struct rtc_wkalrm *t)
 		addr = RS5C_ADDR(RS5C_REG_CTRL1);
 		buf[0] = rs5c->regs[RS5C_REG_CTRL1] | RS5C_CTRL1_AALE;
 		if (i2c_smbus_write_byte_data(client, addr, buf[0]) < 0)
-			printk(KERN_WARNING "%s: can't enable alarm\n",
-				rs5c->rtc->name);
+			dev_warn(dev, "can't enable alarm\n");
 		rs5c->regs[RS5C_REG_CTRL1] = buf[0];
 	}
 
diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c
index 0fbe57b2f6d..f8ee8ad7825 100644
--- a/drivers/rtc/rtc-rv3029c2.c
+++ b/drivers/rtc/rtc-rv3029c2.c
@@ -385,8 +385,8 @@ static struct i2c_device_id rv3029c2_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, rv3029c2_id);
 
-static int __devinit
-rv3029c2_probe(struct i2c_client *client, const struct i2c_device_id *id)
+static int rv3029c2_probe(struct i2c_client *client,
+			  const struct i2c_device_id *id)
 {
 	struct rtc_device *rtc;
 	int rc = 0;
@@ -418,7 +418,7 @@ exit_unregister:
 	return rc;
 }
 
-static int __devexit rv3029c2_remove(struct i2c_client *client)
+static int rv3029c2_remove(struct i2c_client *client)
 {
 	struct rtc_device *rtc = i2c_get_clientdata(client);
 
@@ -432,7 +432,7 @@ static struct i2c_driver rv3029c2_driver = {
 		.name = "rtc-rv3029c2",
 	},
 	.probe = rv3029c2_probe,
-	.remove = __devexit_p(rv3029c2_remove),
+	.remove = rv3029c2_remove,
 	.id_table = rv3029c2_id,
 };
 
diff --git a/drivers/rtc/rtc-rx4581.c b/drivers/rtc/rtc-rx4581.c
new file mode 100644
index 00000000000..599ec73ec88
--- /dev/null
+++ b/drivers/rtc/rtc-rx4581.c
@@ -0,0 +1,314 @@
+/* drivers/rtc/rtc-rx4581.c
+ *
+ * written by Torben Hohn <torbenh@linutronix.de>
+ *
+ * Based on:
+ * drivers/rtc/rtc-max6902.c
+ *
+ * Copyright (C) 2006 8D Technologies inc.
+ * Copyright (C) 2004 Compulab Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Driver for MAX6902 spi RTC
+ *
+ * and based on:
+ * drivers/rtc/rtc-rx8581.c
+ *
+ * An I2C driver for the Epson RX8581 RTC
+ *
+ * Author: Martyn Welch <martyn.welch@ge.com>
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Based on: rtc-pcf8563.c (An I2C driver for the Philips PCF8563 RTC)
+ * Copyright 2005-06 Tower Technologies
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/rtc.h>
+#include <linux/spi/spi.h>
+#include <linux/bcd.h>
+
+#define RX4581_REG_SC		0x00 /* Second in BCD */
+#define RX4581_REG_MN		0x01 /* Minute in BCD */
+#define RX4581_REG_HR		0x02 /* Hour in BCD */
+#define RX4581_REG_DW		0x03 /* Day of Week */
+#define RX4581_REG_DM		0x04 /* Day of Month in BCD */
+#define RX4581_REG_MO		0x05 /* Month in BCD */
+#define RX4581_REG_YR		0x06 /* Year in BCD */
+#define RX4581_REG_RAM		0x07 /* RAM */
+#define RX4581_REG_AMN		0x08 /* Alarm Min in BCD*/
+#define RX4581_REG_AHR		0x09 /* Alarm Hour in BCD */
+#define RX4581_REG_ADM		0x0A
+#define RX4581_REG_ADW		0x0A
+#define RX4581_REG_TMR0		0x0B
+#define RX4581_REG_TMR1		0x0C
+#define RX4581_REG_EXT		0x0D /* Extension Register */
+#define RX4581_REG_FLAG		0x0E /* Flag Register */
+#define RX4581_REG_CTRL		0x0F /* Control Register */
+
+
+/* Flag Register bit definitions */
+#define RX4581_FLAG_UF		0x20 /* Update */
+#define RX4581_FLAG_TF		0x10 /* Timer */
+#define RX4581_FLAG_AF		0x08 /* Alarm */
+#define RX4581_FLAG_VLF		0x02 /* Voltage Low */
+
+/* Control Register bit definitions */
+#define RX4581_CTRL_UIE		0x20 /* Update Interrupt Enable */
+#define RX4581_CTRL_TIE		0x10 /* Timer Interrupt Enable */
+#define RX4581_CTRL_AIE		0x08 /* Alarm Interrupt Enable */
+#define RX4581_CTRL_STOP	0x02 /* STOP bit */
+#define RX4581_CTRL_RESET	0x01 /* RESET bit */
+
+static int rx4581_set_reg(struct device *dev, unsigned char address,
+				unsigned char data)
+{
+	struct spi_device *spi = to_spi_device(dev);
+	unsigned char buf[2];
+
+	/* high nibble must be '0' to write */
+	buf[0] = address & 0x0f;
+	buf[1] = data;
+
+	return spi_write_then_read(spi, buf, 2, NULL, 0);
+}
+
+static int rx4581_get_reg(struct device *dev, unsigned char address,
+				unsigned char *data)
+{
+	struct spi_device *spi = to_spi_device(dev);
+
+	/* Set MSB to indicate read */
+	*data = address | 0x80;
+
+	return spi_write_then_read(spi, data, 1, data, 1);
+}
+
+/*
+ * In the routines that deal directly with the rx8581 hardware, we use
+ * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch.
+ */
+static int rx4581_get_datetime(struct device *dev, struct rtc_time *tm)
+{
+	struct spi_device *spi = to_spi_device(dev);
+	unsigned char date[7];
+	unsigned char data;
+	int err;
+
+	/* First we ensure that the "update flag" is not set, we read the
+	 * time and date then re-read the "update flag". If the update flag
+	 * has been set, we know that the time has changed during the read so
+	 * we repeat the whole process again.
+	 */
+	err = rx4581_get_reg(dev, RX4581_REG_FLAG, &data);
+	if (err != 0) {
+		dev_err(dev, "Unable to read device flags\n");
+		return -EIO;
+	}
+
+	do {
+		/* If update flag set, clear it */
+		if (data & RX4581_FLAG_UF) {
+			err = rx4581_set_reg(dev,
+				RX4581_REG_FLAG, (data & ~RX4581_FLAG_UF));
+			if (err != 0) {
+				dev_err(dev, "Unable to write device "
+					"flags\n");
+				return -EIO;
+			}
+		}
+
+		/* Now read time and date */
+		date[0] = 0x80;
+		err = spi_write_then_read(spi, date, 1, date, 7);
+		if (err < 0) {
+			dev_err(dev, "Unable to read date\n");
+			return -EIO;
+		}
+
+		/* Check flag register */
+		err = rx4581_get_reg(dev, RX4581_REG_FLAG, &data);
+		if (err != 0) {
+			dev_err(dev, "Unable to read device flags\n");
+			return -EIO;
+		}
+	} while (data & RX4581_FLAG_UF);
+
+	if (data & RX4581_FLAG_VLF)
+		dev_info(dev,
+			"low voltage detected, date/time is not reliable.\n");
+
+	dev_dbg(dev,
+		"%s: raw data is sec=%02x, min=%02x, hr=%02x, "
+		"wday=%02x, mday=%02x, mon=%02x, year=%02x\n",
+		__func__,
+		date[0], date[1], date[2], date[3], date[4], date[5], date[6]);
+
+	tm->tm_sec = bcd2bin(date[RX4581_REG_SC] & 0x7F);
+	tm->tm_min = bcd2bin(date[RX4581_REG_MN] & 0x7F);
+	tm->tm_hour = bcd2bin(date[RX4581_REG_HR] & 0x3F); /* rtc hr 0-23 */
+	tm->tm_wday = ilog2(date[RX4581_REG_DW] & 0x7F);
+	tm->tm_mday = bcd2bin(date[RX4581_REG_DM] & 0x3F);
+	tm->tm_mon = bcd2bin(date[RX4581_REG_MO] & 0x1F) - 1; /* rtc mn 1-12 */
+	tm->tm_year = bcd2bin(date[RX4581_REG_YR]);
+	if (tm->tm_year < 70)
+		tm->tm_year += 100;	/* assume we are in 1970...2069 */
+
+
+	dev_dbg(dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
+		"mday=%d, mon=%d, year=%d, wday=%d\n",
+		__func__,
+		tm->tm_sec, tm->tm_min, tm->tm_hour,
+		tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
+
+	err = rtc_valid_tm(tm);
+	if (err < 0)
+		dev_err(dev, "retrieved date/time is not valid.\n");
+
+	return err;
+}
+
+static int rx4581_set_datetime(struct device *dev, struct rtc_time *tm)
+{
+	struct spi_device *spi = to_spi_device(dev);
+	int err;
+	unsigned char buf[8], data;
+
+	dev_dbg(dev, "%s: secs=%d, mins=%d, hours=%d, "
+		"mday=%d, mon=%d, year=%d, wday=%d\n",
+		__func__,
+		tm->tm_sec, tm->tm_min, tm->tm_hour,
+		tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
+
+	buf[0] = 0x00;
+	/* hours, minutes and seconds */
+	buf[RX4581_REG_SC+1] = bin2bcd(tm->tm_sec);
+	buf[RX4581_REG_MN+1] = bin2bcd(tm->tm_min);
+	buf[RX4581_REG_HR+1] = bin2bcd(tm->tm_hour);
+
+	buf[RX4581_REG_DM+1] = bin2bcd(tm->tm_mday);
+
+	/* month, 1 - 12 */
+	buf[RX4581_REG_MO+1] = bin2bcd(tm->tm_mon + 1);
+
+	/* year and century */
+	buf[RX4581_REG_YR+1] = bin2bcd(tm->tm_year % 100);
+	buf[RX4581_REG_DW+1] = (0x1 << tm->tm_wday);
+
+	/* Stop the clock */
+	err = rx4581_get_reg(dev, RX4581_REG_CTRL, &data);
+	if (err != 0) {
+		dev_err(dev, "Unable to read control register\n");
+		return -EIO;
+	}
+
+	err = rx4581_set_reg(dev, RX4581_REG_CTRL,
+		(data | RX4581_CTRL_STOP));
+	if (err != 0) {
+		dev_err(dev, "Unable to write control register\n");
+		return -EIO;
+	}
+
+	/* write register's data */
+	err = spi_write_then_read(spi, buf, 8, NULL, 0);
+	if (err != 0) {
+		dev_err(dev, "Unable to write to date registers\n");
+		return -EIO;
+	}
+
+	/* get VLF and clear it */
+	err = rx4581_get_reg(dev, RX4581_REG_FLAG, &data);
+	if (err != 0) {
+		dev_err(dev, "Unable to read flag register\n");
+		return -EIO;
+	}
+
+	err = rx4581_set_reg(dev, RX4581_REG_FLAG,
+		(data & ~(RX4581_FLAG_VLF)));
+	if (err != 0) {
+		dev_err(dev, "Unable to write flag register\n");
+		return -EIO;
+	}
+
+	/* Restart the clock */
+	err = rx4581_get_reg(dev, RX4581_REG_CTRL, &data);
+	if (err != 0) {
+		dev_err(dev, "Unable to read control register\n");
+		return -EIO;
+	}
+
+	err = rx4581_set_reg(dev, RX4581_REG_CTRL,
+		(data & ~(RX4581_CTRL_STOP)));
+	if (err != 0) {
+		dev_err(dev, "Unable to write control register\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static const struct rtc_class_ops rx4581_rtc_ops = {
+	.read_time	= rx4581_get_datetime,
+	.set_time	= rx4581_set_datetime,
+};
+
+static int rx4581_probe(struct spi_device *spi)
+{
+	struct rtc_device *rtc;
+	unsigned char tmp;
+	int res;
+
+	res = rx4581_get_reg(&spi->dev, RX4581_REG_SC, &tmp);
+	if (res != 0)
+		return res;
+
+	rtc = rtc_device_register("rx4581",
+				&spi->dev, &rx4581_rtc_ops, THIS_MODULE);
+	if (IS_ERR(rtc))
+		return PTR_ERR(rtc);
+
+	dev_set_drvdata(&spi->dev, rtc);
+	return 0;
+}
+
+static int rx4581_remove(struct spi_device *spi)
+{
+	struct rtc_device *rtc = dev_get_drvdata(&spi->dev);
+
+	rtc_device_unregister(rtc);
+	return 0;
+}
+
+static const struct spi_device_id rx4581_id[] = {
+	{ "rx4581", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(spi, rx4581_id);
+
+static struct spi_driver rx4581_driver = {
+	.driver = {
+		.name	= "rtc-rx4581",
+		.owner	= THIS_MODULE,
+	},
+	.probe	= rx4581_probe,
+	.remove = rx4581_remove,
+	.id_table = rx4581_id,
+};
+
+module_spi_driver(rx4581_driver);
+
+MODULE_DESCRIPTION("rx4581 spi RTC driver");
+MODULE_AUTHOR("Torben Hohn");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("spi:rtc-rx4581");
diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c
index 0de902dc1cd..0722d36b9c9 100644
--- a/drivers/rtc/rtc-rx8025.c
+++ b/drivers/rtc/rtc-rx8025.c
@@ -534,8 +534,8 @@ static void rx8025_sysfs_unregister(struct device *dev)
 	device_remove_file(dev, &dev_attr_clock_adjust_ppb);
 }
 
-static int __devinit rx8025_probe(struct i2c_client *client,
-				  const struct i2c_device_id *id)
+static int rx8025_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
 	struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
 	struct rx8025_data *rx8025;
@@ -614,7 +614,7 @@ errout:
 	return err;
 }
 
-static int __devexit rx8025_remove(struct i2c_client *client)
+static int rx8025_remove(struct i2c_client *client)
 {
 	struct rx8025_data *rx8025 = i2c_get_clientdata(client);
 	struct mutex *lock = &rx8025->rtc->ops_lock;
@@ -640,7 +640,7 @@ static struct i2c_driver rx8025_driver = {
 		.owner = THIS_MODULE,
 	},
 	.probe		= rx8025_probe,
-	.remove		= __devexit_p(rx8025_remove),
+	.remove		= rx8025_remove,
 	.id_table	= rx8025_id,
 };
 
diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c
index d84825124a7..b0c272658fa 100644
--- a/drivers/rtc/rtc-rx8581.c
+++ b/drivers/rtc/rtc-rx8581.c
@@ -228,8 +228,8 @@ static const struct rtc_class_ops rx8581_rtc_ops = {
 	.set_time	= rx8581_rtc_set_time,
 };
 
-static int __devinit rx8581_probe(struct i2c_client *client,
-				const struct i2c_device_id *id)
+static int rx8581_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
 	struct rtc_device *rtc;
 
@@ -251,7 +251,7 @@ static int __devinit rx8581_probe(struct i2c_client *client,
 	return 0;
 }
 
-static int __devexit rx8581_remove(struct i2c_client *client)
+static int rx8581_remove(struct i2c_client *client)
 {
 	struct rtc_device *rtc = i2c_get_clientdata(client);
 
@@ -272,7 +272,7 @@ static struct i2c_driver rx8581_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= rx8581_probe,
-	.remove		= __devexit_p(rx8581_remove),
+	.remove		= rx8581_remove,
 	.id_table	= rx8581_id,
 };
 
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 77823d21d31..fb994e9ddc1 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -47,8 +47,6 @@ struct s3c_rtc_drv_data {
 /* I have yet to find an S3C implementation with more than one
  * of these rtc blocks in */
 
-static struct resource *s3c_rtc_mem;
-
 static struct clk *rtc_clk;
 static void __iomem *s3c_rtc_base;
 static int s3c_rtc_alarmno = NO_IRQ;
@@ -117,7 +115,7 @@ static int s3c_rtc_setaie(struct device *dev, unsigned int enabled)
 {
 	unsigned int tmp;
 
-	pr_debug("%s: aie=%d\n", __func__, enabled);
+	dev_dbg(dev, "%s: aie=%d\n", __func__, enabled);
 
 	clk_enable(rtc_clk);
 	tmp = readb(s3c_rtc_base + S3C2410_RTCALM) & ~S3C2410_RTCALM_ALMEN;
@@ -186,7 +184,7 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
 	rtc_tm->tm_year = readb(base + S3C2410_RTCYEAR);
 	rtc_tm->tm_sec  = readb(base + S3C2410_RTCSEC);
 
-	/* the only way to work out wether the system was mid-update
+	/* the only way to work out whether the system was mid-update
 	 * when we read it is to check the second counter, and if it
 	 * is zero, then we re-try the entire read
 	 */
@@ -205,7 +203,7 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
 
 	rtc_tm->tm_year += 100;
 
-	pr_debug("read time %04d.%02d.%02d %02d:%02d:%02d\n",
+	dev_dbg(dev, "read time %04d.%02d.%02d %02d:%02d:%02d\n",
 		 1900 + rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday,
 		 rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec);
 
@@ -220,7 +218,7 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
 	void __iomem *base = s3c_rtc_base;
 	int year = tm->tm_year - 100;
 
-	pr_debug("set time %04d.%02d.%02d %02d:%02d:%02d\n",
+	dev_dbg(dev, "set time %04d.%02d.%02d %02d:%02d:%02d\n",
 		 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
 		 tm->tm_hour, tm->tm_min, tm->tm_sec);
 
@@ -261,7 +259,7 @@ static int s3c_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 	alrm->enabled = (alm_en & S3C2410_RTCALM_ALMEN) ? 1 : 0;
 
-	pr_debug("read alarm %d, %04d.%02d.%02d %02d:%02d:%02d\n",
+	dev_dbg(dev, "read alarm %d, %04d.%02d.%02d %02d:%02d:%02d\n",
 		 alm_en,
 		 1900 + alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday,
 		 alm_tm->tm_hour, alm_tm->tm_min, alm_tm->tm_sec);
@@ -312,7 +310,7 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	unsigned int alrm_en;
 
 	clk_enable(rtc_clk);
-	pr_debug("s3c_rtc_setalarm: %d, %04d.%02d.%02d %02d:%02d:%02d\n",
+	dev_dbg(dev, "s3c_rtc_setalarm: %d, %04d.%02d.%02d %02d:%02d:%02d\n",
 		 alrm->enabled,
 		 1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
 		 tm->tm_hour, tm->tm_min, tm->tm_sec);
@@ -335,7 +333,7 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 		writeb(bin2bcd(tm->tm_hour), base + S3C2410_ALMHOUR);
 	}
 
-	pr_debug("setting S3C2410_RTCALM to %08x\n", alrm_en);
+	dev_dbg(dev, "setting S3C2410_RTCALM to %08x\n", alrm_en);
 
 	writeb(alrm_en, base + S3C2410_RTCALM);
 
@@ -423,25 +421,17 @@ static void s3c_rtc_enable(struct platform_device *pdev, int en)
 	clk_disable(rtc_clk);
 }
 
-static int __devexit s3c_rtc_remove(struct platform_device *dev)
+static int s3c_rtc_remove(struct platform_device *dev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(dev);
 
-	free_irq(s3c_rtc_alarmno, rtc);
-	free_irq(s3c_rtc_tickno, rtc);
-
 	platform_set_drvdata(dev, NULL);
 	rtc_device_unregister(rtc);
 
 	s3c_rtc_setaie(&dev->dev, 0);
 
-	clk_put(rtc_clk);
 	rtc_clk = NULL;
 
-	iounmap(s3c_rtc_base);
-	release_resource(s3c_rtc_mem);
-	kfree(s3c_rtc_mem);
-
 	return 0;
 }
 
@@ -461,7 +451,7 @@ static inline int s3c_rtc_get_driver_data(struct platform_device *pdev)
 	return platform_get_device_id(pdev)->driver_data;
 }
 
-static int __devinit s3c_rtc_probe(struct platform_device *pdev)
+static int s3c_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 	struct rtc_time rtc_tm;
@@ -469,7 +459,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 	int ret;
 	int tmp;
 
-	pr_debug("%s: probe=%p\n", __func__, pdev);
+	dev_dbg(&pdev->dev, "%s: probe=%p\n", __func__, pdev);
 
 	/* find the IRQs */
 
@@ -485,7 +475,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 		return s3c_rtc_alarmno;
 	}
 
-	pr_debug("s3c2410_rtc: tick irq %d, alarm irq %d\n",
+	dev_dbg(&pdev->dev, "s3c2410_rtc: tick irq %d, alarm irq %d\n",
 		 s3c_rtc_tickno, s3c_rtc_alarmno);
 
 	/* get the memory region */
@@ -496,28 +486,16 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 		return -ENOENT;
 	}
 
-	s3c_rtc_mem = request_mem_region(res->start, resource_size(res),
-					 pdev->name);
-
-	if (s3c_rtc_mem == NULL) {
-		dev_err(&pdev->dev, "failed to reserve memory region\n");
-		ret = -ENOENT;
-		goto err_nores;
-	}
-
-	s3c_rtc_base = ioremap(res->start, resource_size(res));
-	if (s3c_rtc_base == NULL) {
-		dev_err(&pdev->dev, "failed ioremap()\n");
-		ret = -EINVAL;
-		goto err_nomap;
-	}
+	s3c_rtc_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(s3c_rtc_base))
+		return PTR_ERR(s3c_rtc_base);
 
-	rtc_clk = clk_get(&pdev->dev, "rtc");
+	rtc_clk = devm_clk_get(&pdev->dev, "rtc");
 	if (IS_ERR(rtc_clk)) {
 		dev_err(&pdev->dev, "failed to find rtc clock source\n");
 		ret = PTR_ERR(rtc_clk);
 		rtc_clk = NULL;
-		goto err_clk;
+		return ret;
 	}
 
 	clk_enable(rtc_clk);
@@ -526,7 +504,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 
 	s3c_rtc_enable(pdev, 1);
 
-	pr_debug("s3c2410_rtc: RTCCON=%02x\n",
+	dev_dbg(&pdev->dev, "s3c2410_rtc: RTCCON=%02x\n",
 		 readw(s3c_rtc_base + S3C2410_RTCCON));
 
 	device_init_wakeup(&pdev->dev, 1);
@@ -576,28 +554,24 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 
 	s3c_rtc_setfreq(&pdev->dev, 1);
 
-	ret = request_irq(s3c_rtc_alarmno, s3c_rtc_alarmirq,
+	ret = devm_request_irq(&pdev->dev, s3c_rtc_alarmno, s3c_rtc_alarmirq,
 			  0,  "s3c2410-rtc alarm", rtc);
 	if (ret) {
 		dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_alarmno, ret);
 		goto err_alarm_irq;
 	}
 
-	ret = request_irq(s3c_rtc_tickno, s3c_rtc_tickirq,
+	ret = devm_request_irq(&pdev->dev, s3c_rtc_tickno, s3c_rtc_tickirq,
 			  0,  "s3c2410-rtc tick", rtc);
 	if (ret) {
 		dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_tickno, ret);
-		free_irq(s3c_rtc_alarmno, rtc);
-		goto err_tick_irq;
+		goto err_alarm_irq;
 	}
 
 	clk_disable(rtc_clk);
 
 	return 0;
 
- err_tick_irq:
-	free_irq(s3c_rtc_alarmno, rtc);
-
  err_alarm_irq:
 	platform_set_drvdata(pdev, NULL);
 	rtc_device_unregister(rtc);
@@ -605,15 +579,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
  err_nortc:
 	s3c_rtc_enable(pdev, 0);
 	clk_disable(rtc_clk);
-	clk_put(rtc_clk);
 
- err_clk:
-	iounmap(s3c_rtc_base);
-
- err_nomap:
-	release_resource(s3c_rtc_mem);
-
- err_nores:
 	return ret;
 }
 
@@ -695,8 +661,6 @@ static const struct of_device_id s3c_rtc_dt_match[] = {
 	{},
 };
 MODULE_DEVICE_TABLE(of, s3c_rtc_dt_match);
-#else
-#define s3c_rtc_dt_match NULL
 #endif
 
 static struct platform_device_id s3c_rtc_driver_ids[] = {
@@ -720,14 +684,14 @@ MODULE_DEVICE_TABLE(platform, s3c_rtc_driver_ids);
 
 static struct platform_driver s3c_rtc_driver = {
 	.probe		= s3c_rtc_probe,
-	.remove		= __devexit_p(s3c_rtc_remove),
+	.remove		= s3c_rtc_remove,
 	.suspend	= s3c_rtc_suspend,
 	.resume		= s3c_rtc_resume,
 	.id_table	= s3c_rtc_driver_ids,
 	.driver		= {
 		.name	= "s3c-rtc",
 		.owner	= THIS_MODULE,
-		.of_match_table	= s3c_rtc_dt_match,
+		.of_match_table	= of_match_ptr(s3c_rtc_dt_match),
 	},
 };
 
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 50a5c4adee4..5ec5036df0b 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -108,9 +108,6 @@ static int sa1100_rtc_open(struct device *dev)
 	struct rtc_device *rtc = info->rtc;
 	int ret;
 
-	ret = clk_prepare_enable(info->clk);
-	if (ret)
-		goto fail_clk;
 	ret = request_irq(info->irq_1hz, sa1100_rtc_interrupt, 0, "rtc 1Hz", dev);
 	if (ret) {
 		dev_err(dev, "IRQ %d already in use.\n", info->irq_1hz);
@@ -130,7 +127,6 @@ static int sa1100_rtc_open(struct device *dev)
 	free_irq(info->irq_1hz, dev);
  fail_ui:
 	clk_disable_unprepare(info->clk);
- fail_clk:
 	return ret;
 }
 
@@ -144,7 +140,6 @@ static void sa1100_rtc_release(struct device *dev)
 
 	free_irq(info->irq_alarm, dev);
 	free_irq(info->irq_1hz, dev);
-	clk_disable_unprepare(info->clk);
 }
 
 static int sa1100_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
@@ -253,6 +248,9 @@ static int sa1100_rtc_probe(struct platform_device *pdev)
 	spin_lock_init(&info->lock);
 	platform_set_drvdata(pdev, info);
 
+	ret = clk_prepare_enable(info->clk);
+	if (ret)
+		goto err_enable_clk;
 	/*
 	 * According to the manual we should be able to let RTTR be zero
 	 * and then a default diviser for a 32.768KHz clock is used.
@@ -305,6 +303,8 @@ static int sa1100_rtc_probe(struct platform_device *pdev)
 
 	return 0;
 err_dev:
+	clk_disable_unprepare(info->clk);
+err_enable_clk:
 	platform_set_drvdata(pdev, NULL);
 	clk_put(info->clk);
 err_clk:
@@ -318,6 +318,7 @@ static int sa1100_rtc_remove(struct platform_device *pdev)
 
 	if (info) {
 		rtc_device_unregister(info->rtc);
+		clk_disable_unprepare(info->clk);
 		clk_put(info->clk);
 		platform_set_drvdata(pdev, NULL);
 		kfree(info);
@@ -349,12 +350,14 @@ static const struct dev_pm_ops sa1100_rtc_pm_ops = {
 };
 #endif
 
+#ifdef CONFIG_OF
 static struct of_device_id sa1100_rtc_dt_ids[] = {
 	{ .compatible = "mrvl,sa1100-rtc", },
 	{ .compatible = "mrvl,mmp-rtc", },
 	{}
 };
 MODULE_DEVICE_TABLE(of, sa1100_rtc_dt_ids);
+#endif
 
 static struct platform_driver sa1100_rtc_driver = {
 	.probe		= sa1100_rtc_probe,
@@ -364,7 +367,7 @@ static struct platform_driver sa1100_rtc_driver = {
 #ifdef CONFIG_PM
 		.pm	= &sa1100_rtc_pm_ops,
 #endif
-		.of_match_table = sa1100_rtc_dt_ids,
+		.of_match_table = of_match_ptr(sa1100_rtc_dt_ids),
 	},
 };
 
diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c
index 3c0da333f46..f7d90703db5 100644
--- a/drivers/rtc/rtc-snvs.c
+++ b/drivers/rtc/rtc-snvs.c
@@ -241,7 +241,7 @@ static irqreturn_t snvs_rtc_irq_handler(int irq, void *dev_id)
 	return events ? IRQ_HANDLED : IRQ_NONE;
 }
 
-static int __devinit snvs_rtc_probe(struct platform_device *pdev)
+static int snvs_rtc_probe(struct platform_device *pdev)
 {
 	struct snvs_rtc_data *data;
 	struct resource *res;
@@ -252,9 +252,9 @@ static int __devinit snvs_rtc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	data->ioaddr = devm_request_and_ioremap(&pdev->dev, res);
-	if (!data->ioaddr)
-		return -EADDRNOTAVAIL;
+	data->ioaddr = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(data->ioaddr))
+		return PTR_ERR(data->ioaddr);
 
 	data->irq = platform_get_irq(pdev, 0);
 	if (data->irq < 0)
@@ -294,7 +294,7 @@ static int __devinit snvs_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __devexit snvs_rtc_remove(struct platform_device *pdev)
+static int snvs_rtc_remove(struct platform_device *pdev)
 {
 	struct snvs_rtc_data *data = platform_get_drvdata(pdev);
 
@@ -327,7 +327,7 @@ static int snvs_rtc_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(snvs_rtc_pm_ops, snvs_rtc_suspend, snvs_rtc_resume);
 
-static const struct of_device_id __devinitconst snvs_dt_ids[] = {
+static const struct of_device_id snvs_dt_ids[] = {
 	{ .compatible = "fsl,sec-v4.0-mon-rtc-lp", },
 	{ /* sentinel */ }
 };
@@ -338,10 +338,10 @@ static struct platform_driver snvs_rtc_driver = {
 		.name	= "snvs_rtc",
 		.owner	= THIS_MODULE,
 		.pm	= &snvs_rtc_pm_ops,
-		.of_match_table = snvs_dt_ids,
+		.of_match_table = of_match_ptr(snvs_dt_ids),
 	},
 	.probe		= snvs_rtc_probe,
-	.remove		= __devexit_p(snvs_rtc_remove),
+	.remove		= snvs_rtc_remove,
 };
 module_platform_driver(snvs_rtc_driver);
 
diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c
index bb507d23f6c..a18c3192ed4 100644
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -351,7 +351,7 @@ static struct rtc_class_ops spear_rtc_ops = {
 	.alarm_irq_enable = spear_alarm_irq_enable,
 };
 
-static int __devinit spear_rtc_probe(struct platform_device *pdev)
+static int spear_rtc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct spear_rtc_config *config;
@@ -363,35 +363,40 @@ static int __devinit spear_rtc_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "no resource defined\n");
 		return -EBUSY;
 	}
-	if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
-		dev_err(&pdev->dev, "rtc region already claimed\n");
-		return -EBUSY;
-	}
 
-	config = kzalloc(sizeof(*config), GFP_KERNEL);
+	config = devm_kzalloc(&pdev->dev, sizeof(*config), GFP_KERNEL);
 	if (!config) {
 		dev_err(&pdev->dev, "out of memory\n");
-		status = -ENOMEM;
-		goto err_release_region;
+		return -ENOMEM;
 	}
 
-	config->clk = clk_get(&pdev->dev, NULL);
-	if (IS_ERR(config->clk)) {
-		status = PTR_ERR(config->clk);
-		goto err_kfree;
+	/* alarm irqs */
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "no update irq?\n");
+		return irq;
 	}
 
-	status = clk_enable(config->clk);
-	if (status < 0)
-		goto err_clk_put;
-
-	config->ioaddr = ioremap(res->start, resource_size(res));
-	if (!config->ioaddr) {
-		dev_err(&pdev->dev, "ioremap fail\n");
-		status = -ENOMEM;
-		goto err_disable_clock;
+	status = devm_request_irq(&pdev->dev, irq, spear_rtc_irq, 0, pdev->name,
+			config);
+	if (status) {
+		dev_err(&pdev->dev, "Alarm interrupt IRQ%d already claimed\n",
+				irq);
+		return status;
 	}
 
+	config->ioaddr = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(config->ioaddr))
+		return PTR_ERR(config->ioaddr);
+
+	config->clk = devm_clk_get(&pdev->dev, NULL);
+	if (IS_ERR(config->clk))
+		return PTR_ERR(config->clk);
+
+	status = clk_prepare_enable(config->clk);
+	if (status < 0)
+		return status;
+
 	spin_lock_init(&config->lock);
 	platform_set_drvdata(pdev, config);
 
@@ -401,67 +406,31 @@ static int __devinit spear_rtc_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
 				PTR_ERR(config->rtc));
 		status = PTR_ERR(config->rtc);
-		goto err_iounmap;
-	}
-
-	/* alarm irqs */
-	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "no update irq?\n");
-		status = irq;
-		goto err_clear_platdata;
+		goto err_disable_clock;
 	}
 
-	status = request_irq(irq, spear_rtc_irq, 0, pdev->name, config);
-	if (status) {
-		dev_err(&pdev->dev, "Alarm interrupt IRQ%d already \
-				claimed\n", irq);
-		goto err_clear_platdata;
-	}
+	config->rtc->uie_unsupported = 1;
 
 	if (!device_can_wakeup(&pdev->dev))
 		device_init_wakeup(&pdev->dev, 1);
 
 	return 0;
 
-err_clear_platdata:
-	platform_set_drvdata(pdev, NULL);
-	rtc_device_unregister(config->rtc);
-err_iounmap:
-	iounmap(config->ioaddr);
 err_disable_clock:
-	clk_disable(config->clk);
-err_clk_put:
-	clk_put(config->clk);
-err_kfree:
-	kfree(config);
-err_release_region:
-	release_mem_region(res->start, resource_size(res));
+	platform_set_drvdata(pdev, NULL);
+	clk_disable_unprepare(config->clk);
 
 	return status;
 }
 
-static int __devexit spear_rtc_remove(struct platform_device *pdev)
+static int spear_rtc_remove(struct platform_device *pdev)
 {
 	struct spear_rtc_config *config = platform_get_drvdata(pdev);
-	int irq;
-	struct resource *res;
 
-	/* leave rtc running, but disable irqs */
+	rtc_device_unregister(config->rtc);
 	spear_rtc_disable_interrupt(config);
+	clk_disable_unprepare(config->clk);
 	device_init_wakeup(&pdev->dev, 0);
-	irq = platform_get_irq(pdev, 0);
-	if (irq)
-		free_irq(irq, pdev);
-	clk_disable(config->clk);
-	clk_put(config->clk);
-	iounmap(config->ioaddr);
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (res)
-		release_mem_region(res->start, resource_size(res));
-	platform_set_drvdata(pdev, NULL);
-	rtc_device_unregister(config->rtc);
-	kfree(config);
 
 	return 0;
 }
@@ -528,7 +497,7 @@ MODULE_DEVICE_TABLE(of, spear_rtc_id_table);
 
 static struct platform_driver spear_rtc_driver = {
 	.probe = spear_rtc_probe,
-	.remove = __devexit_p(spear_rtc_remove),
+	.remove = spear_rtc_remove,
 	.suspend = spear_rtc_suspend,
 	.resume = spear_rtc_resume,
 	.shutdown = spear_rtc_shutdown,
diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c
index 279f5cfa691..7e4a6f65cb9 100644
--- a/drivers/rtc/rtc-stk17ta8.c
+++ b/drivers/rtc/rtc-stk17ta8.c
@@ -285,7 +285,7 @@ static struct bin_attribute stk17ta8_nvram_attr = {
 	.write = stk17ta8_nvram_write,
 };
 
-static int __devinit stk17ta8_rtc_probe(struct platform_device *pdev)
+static int stk17ta8_rtc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	unsigned int cal;
@@ -347,7 +347,7 @@ static int __devinit stk17ta8_rtc_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int __devexit stk17ta8_rtc_remove(struct platform_device *pdev)
+static int stk17ta8_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
@@ -363,7 +363,7 @@ MODULE_ALIAS("platform:stk17ta8");
 
 static struct platform_driver stk17ta8_rtc_driver = {
 	.probe		= stk17ta8_rtc_probe,
-	.remove		= __devexit_p(stk17ta8_rtc_remove),
+	.remove		= stk17ta8_rtc_remove,
 	.driver		= {
 		.name	= "stk17ta8",
 		.owner	= THIS_MODULE,
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c
index 739ef55694f..98f0d3c3073 100644
--- a/drivers/rtc/rtc-stmp3xxx.c
+++ b/drivers/rtc/rtc-stmp3xxx.c
@@ -26,6 +26,9 @@
 #include <linux/rtc.h>
 #include <linux/slab.h>
 #include <linux/of_device.h>
+#include <linux/of.h>
+#include <linux/stmp_device.h>
+#include <linux/stmp3xxx_rtc_wdt.h>
 
 #include <mach/common.h>
 
@@ -35,6 +38,7 @@
 #define STMP3XXX_RTC_CTRL_ALARM_IRQ_EN		0x00000001
 #define STMP3XXX_RTC_CTRL_ONEMSEC_IRQ_EN	0x00000002
 #define STMP3XXX_RTC_CTRL_ALARM_IRQ		0x00000004
+#define STMP3XXX_RTC_CTRL_WATCHDOGEN		0x00000010
 
 #define STMP3XXX_RTC_STAT			0x10
 #define STMP3XXX_RTC_STAT_STALE_SHIFT		16
@@ -44,6 +48,8 @@
 
 #define STMP3XXX_RTC_ALARM			0x40
 
+#define STMP3XXX_RTC_WATCHDOG			0x50
+
 #define STMP3XXX_RTC_PERSISTENT0		0x60
 #define STMP3XXX_RTC_PERSISTENT0_SET		0x64
 #define STMP3XXX_RTC_PERSISTENT0_CLR		0x68
@@ -51,12 +57,70 @@
 #define STMP3XXX_RTC_PERSISTENT0_ALARM_EN	0x00000004
 #define STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE	0x00000080
 
+#define STMP3XXX_RTC_PERSISTENT1		0x70
+/* missing bitmask in headers */
+#define STMP3XXX_RTC_PERSISTENT1_FORCE_UPDATER	0x80000000
+
 struct stmp3xxx_rtc_data {
 	struct rtc_device *rtc;
 	void __iomem *io;
 	int irq_alarm;
 };
 
+#if IS_ENABLED(CONFIG_STMP3XXX_RTC_WATCHDOG)
+/**
+ * stmp3xxx_wdt_set_timeout - configure the watchdog inside the STMP3xxx RTC
+ * @dev: the parent device of the watchdog (= the RTC)
+ * @timeout: the desired value for the timeout register of the watchdog.
+ *           0 disables the watchdog
+ *
+ * The watchdog needs one register and two bits which are in the RTC domain.
+ * To handle the resource conflict, the RTC driver will create another
+ * platform_device for the watchdog driver as a child of the RTC device.
+ * The watchdog driver is passed the below accessor function via platform_data
+ * to configure the watchdog. Locking is not needed because accessing SET/CLR
+ * registers is atomic.
+ */
+
+static void stmp3xxx_wdt_set_timeout(struct device *dev, u32 timeout)
+{
+	struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
+
+	if (timeout) {
+		writel(timeout, rtc_data->io + STMP3XXX_RTC_WATCHDOG);
+		writel(STMP3XXX_RTC_CTRL_WATCHDOGEN,
+		       rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_SET);
+		writel(STMP3XXX_RTC_PERSISTENT1_FORCE_UPDATER,
+		       rtc_data->io + STMP3XXX_RTC_PERSISTENT1 + STMP_OFFSET_REG_SET);
+	} else {
+		writel(STMP3XXX_RTC_CTRL_WATCHDOGEN,
+		       rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_CLR);
+		writel(STMP3XXX_RTC_PERSISTENT1_FORCE_UPDATER,
+		       rtc_data->io + STMP3XXX_RTC_PERSISTENT1 + STMP_OFFSET_REG_CLR);
+	}
+}
+
+static struct stmp3xxx_wdt_pdata wdt_pdata = {
+	.wdt_set_timeout = stmp3xxx_wdt_set_timeout,
+};
+
+static void stmp3xxx_wdt_register(struct platform_device *rtc_pdev)
+{
+	struct platform_device *wdt_pdev =
+		platform_device_alloc("stmp3xxx_rtc_wdt", rtc_pdev->id);
+
+	if (wdt_pdev) {
+		wdt_pdev->dev.parent = &rtc_pdev->dev;
+		wdt_pdev->dev.platform_data = &wdt_pdata;
+		platform_device_add(wdt_pdev);
+	}
+}
+#else
+static void stmp3xxx_wdt_register(struct platform_device *rtc_pdev)
+{
+}
+#endif /* CONFIG_STMP3XXX_RTC_WATCHDOG */
+
 static void stmp3xxx_wait_time(struct stmp3xxx_rtc_data *rtc_data)
 {
 	/*
@@ -232,6 +296,7 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev)
 		goto out_irq_alarm;
 	}
 
+	stmp3xxx_wdt_register(pdev);
 	return 0;
 
 out_irq_alarm:
@@ -280,7 +345,7 @@ static struct platform_driver stmp3xxx_rtcdrv = {
 	.driver		= {
 		.name	= "stmp3xxx-rtc",
 		.owner	= THIS_MODULE,
-		.of_match_table = rtc_dt_ids,
+		.of_match_table = of_match_ptr(rtc_dt_ids),
 	},
 };
 
diff --git a/drivers/rtc/rtc-sun4v.c b/drivers/rtc/rtc-sun4v.c
index 5b2261052a6..59b5c2dcb58 100644
--- a/drivers/rtc/rtc-sun4v.c
+++ b/drivers/rtc/rtc-sun4v.c
@@ -3,6 +3,8 @@
  * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/delay.h>
@@ -26,10 +28,10 @@ retry:
 			udelay(100);
 			goto retry;
 		}
-		printk(KERN_WARNING "SUN4V: tod_get() timed out.\n");
+		pr_warn("tod_get() timed out.\n");
 		return 0;
 	}
-	printk(KERN_WARNING "SUN4V: tod_get() not supported.\n");
+	pr_warn("tod_get() not supported.\n");
 	return 0;
 }
 
@@ -53,10 +55,10 @@ retry:
 			udelay(100);
 			goto retry;
 		}
-		printk(KERN_WARNING "SUN4V: tod_set() timed out.\n");
+		pr_warn("tod_set() timed out.\n");
 		return -EAGAIN;
 	}
-	printk(KERN_WARNING "SUN4V: tod_set() not supported.\n");
+	pr_warn("tod_set() not supported.\n");
 	return -EOPNOTSUPP;
 }
 
diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c
index c006025cecc..7c033756d6b 100644
--- a/drivers/rtc/rtc-tegra.c
+++ b/drivers/rtc/rtc-tegra.c
@@ -303,7 +303,13 @@ static struct rtc_class_ops tegra_rtc_ops = {
 	.alarm_irq_enable = tegra_rtc_alarm_irq_enable,
 };
 
-static int __devinit tegra_rtc_probe(struct platform_device *pdev)
+static const struct of_device_id tegra_rtc_dt_match[] = {
+	{ .compatible = "nvidia,tegra20-rtc", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, tegra_rtc_dt_match);
+
+static int tegra_rtc_probe(struct platform_device *pdev)
 {
 	struct tegra_rtc_info *info;
 	struct resource *res;
@@ -321,11 +327,9 @@ static int __devinit tegra_rtc_probe(struct platform_device *pdev)
 		return -EBUSY;
 	}
 
-	info->rtc_base = devm_request_and_ioremap(&pdev->dev, res);
-	if (!info->rtc_base) {
-		dev_err(&pdev->dev, "Unable to request mem region and grab IOs for device.\n");
-		return -EBUSY;
-	}
+	info->rtc_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(info->rtc_base))
+		return PTR_ERR(info->rtc_base);
 
 	info->tegra_rtc_irq = platform_get_irq(pdev, 0);
 	if (info->tegra_rtc_irq <= 0)
@@ -375,7 +379,7 @@ err_dev_unreg:
 	return ret;
 }
 
-static int __devexit tegra_rtc_remove(struct platform_device *pdev)
+static int tegra_rtc_remove(struct platform_device *pdev)
 {
 	struct tegra_rtc_info *info = platform_get_drvdata(pdev);
 
@@ -435,11 +439,12 @@ static void tegra_rtc_shutdown(struct platform_device *pdev)
 
 MODULE_ALIAS("platform:tegra_rtc");
 static struct platform_driver tegra_rtc_driver = {
-	.remove		= __devexit_p(tegra_rtc_remove),
+	.remove		= tegra_rtc_remove,
 	.shutdown	= tegra_rtc_shutdown,
 	.driver		= {
 		.name	= "tegra_rtc",
 		.owner	= THIS_MODULE,
+		.of_match_table = tegra_rtc_dt_match,
 	},
 #ifdef CONFIG_PM
 	.suspend	= tegra_rtc_suspend,
diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c
index 7e96254bd36..b92e0f6383e 100644
--- a/drivers/rtc/rtc-test.c
+++ b/drivers/rtc/rtc-test.c
@@ -119,7 +119,7 @@ err:
 	return err;
 }
 
-static int __devexit test_remove(struct platform_device *plat_dev)
+static int test_remove(struct platform_device *plat_dev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(plat_dev);
 
@@ -131,7 +131,7 @@ static int __devexit test_remove(struct platform_device *plat_dev)
 
 static struct platform_driver test_driver = {
 	.probe	= test_probe,
-	.remove = __devexit_p(test_remove),
+	.remove = test_remove,
 	.driver = {
 		.name = "rtc-test",
 		.owner = THIS_MODULE,
@@ -152,24 +152,24 @@ static int __init test_init(void)
 
 	if ((test1 = platform_device_alloc("rtc-test", 1)) == NULL) {
 		err = -ENOMEM;
-		goto exit_free_test0;
+		goto exit_put_test0;
 	}
 
 	if ((err = platform_device_add(test0)))
-		goto exit_free_test1;
+		goto exit_put_test1;
 
 	if ((err = platform_device_add(test1)))
-		goto exit_device_unregister;
+		goto exit_del_test0;
 
 	return 0;
 
-exit_device_unregister:
-	platform_device_unregister(test0);
+exit_del_test0:
+	platform_device_del(test0);
 
-exit_free_test1:
+exit_put_test1:
 	platform_device_put(test1);
 
-exit_free_test0:
+exit_put_test0:
 	platform_device_put(test0);
 
 exit_driver_unregister:
diff --git a/drivers/rtc/rtc-tile.c b/drivers/rtc/rtc-tile.c
index eb65dafee66..62db4841078 100644
--- a/drivers/rtc/rtc-tile.c
+++ b/drivers/rtc/rtc-tile.c
@@ -76,7 +76,7 @@ static const struct rtc_class_ops tile_rtc_ops = {
 /*
  * Device probe routine.
  */
-static int __devinit tile_rtc_probe(struct platform_device *dev)
+static int tile_rtc_probe(struct platform_device *dev)
 {
 	struct rtc_device *rtc;
 
@@ -94,7 +94,7 @@ static int __devinit tile_rtc_probe(struct platform_device *dev)
 /*
  * Device cleanup routine.
  */
-static int __devexit tile_rtc_remove(struct platform_device *dev)
+static int tile_rtc_remove(struct platform_device *dev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(dev);
 
@@ -112,7 +112,7 @@ static struct platform_driver tile_rtc_platform_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= tile_rtc_probe,
-	.remove		= __devexit_p(tile_rtc_remove),
+	.remove		= tile_rtc_remove,
 };
 
 /*
diff --git a/drivers/rtc/rtc-tps6586x.c b/drivers/rtc/rtc-tps6586x.c
new file mode 100644
index 00000000000..aab4e8c9362
--- /dev/null
+++ b/drivers/rtc/rtc-tps6586x.c
@@ -0,0 +1,356 @@
+/*
+ * rtc-tps6586x.c: RTC driver for TI PMIC TPS6586X
+ *
+ * Copyright (c) 2012, NVIDIA Corporation.
+ *
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
+ * whether express or implied; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307, USA
+ */
+
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mfd/tps6586x.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/rtc.h>
+#include <linux/slab.h>
+
+#define RTC_CTRL			0xc0
+#define POR_RESET_N			BIT(7)
+#define OSC_SRC_SEL			BIT(6)
+#define RTC_ENABLE			BIT(5)	/* enables alarm */
+#define RTC_BUF_ENABLE			BIT(4)	/* 32 KHz buffer enable */
+#define PRE_BYPASS			BIT(3)	/* 0=1KHz or 1=32KHz updates */
+#define CL_SEL_MASK			(BIT(2)|BIT(1))
+#define CL_SEL_POS			1
+#define RTC_ALARM1_HI			0xc1
+#define RTC_COUNT4			0xc6
+
+/* start a PMU RTC access by reading the register prior to the RTC_COUNT4 */
+#define RTC_COUNT4_DUMMYREAD		0xc5
+
+/*only 14-bits width in second*/
+#define ALM1_VALID_RANGE_IN_SEC		0x3FFF
+
+#define TPS6586X_RTC_CL_SEL_1_5PF	0x0
+#define TPS6586X_RTC_CL_SEL_6_5PF	0x1
+#define TPS6586X_RTC_CL_SEL_7_5PF	0x2
+#define TPS6586X_RTC_CL_SEL_12_5PF	0x3
+
+struct tps6586x_rtc {
+	struct device		*dev;
+	struct rtc_device	*rtc;
+	int			irq;
+	bool			irq_en;
+	unsigned long long	epoch_start;
+};
+
+static inline struct device *to_tps6586x_dev(struct device *dev)
+{
+	return dev->parent;
+}
+
+static int tps6586x_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct tps6586x_rtc *rtc = dev_get_drvdata(dev);
+	struct device *tps_dev = to_tps6586x_dev(dev);
+	unsigned long long ticks = 0;
+	unsigned long seconds;
+	u8 buff[6];
+	int ret;
+	int i;
+
+	ret = tps6586x_reads(tps_dev, RTC_COUNT4_DUMMYREAD, sizeof(buff), buff);
+	if (ret < 0) {
+		dev_err(dev, "read counter failed with err %d\n", ret);
+		return ret;
+	}
+
+	for (i = 1; i < sizeof(buff); i++) {
+		ticks <<= 8;
+		ticks |= buff[i];
+	}
+
+	seconds = ticks >> 10;
+	seconds += rtc->epoch_start;
+	rtc_time_to_tm(seconds, tm);
+	return rtc_valid_tm(tm);
+}
+
+static int tps6586x_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct tps6586x_rtc *rtc = dev_get_drvdata(dev);
+	struct device *tps_dev = to_tps6586x_dev(dev);
+	unsigned long long ticks;
+	unsigned long seconds;
+	u8 buff[5];
+	int ret;
+
+	rtc_tm_to_time(tm, &seconds);
+	if (seconds < rtc->epoch_start) {
+		dev_err(dev, "requested time unsupported\n");
+		return -EINVAL;
+	}
+	seconds -= rtc->epoch_start;
+
+	ticks = (unsigned long long)seconds << 10;
+	buff[0] = (ticks >> 32) & 0xff;
+	buff[1] = (ticks >> 24) & 0xff;
+	buff[2] = (ticks >> 16) & 0xff;
+	buff[3] = (ticks >> 8) & 0xff;
+	buff[4] = ticks & 0xff;
+
+	/* Disable RTC before changing time */
+	ret = tps6586x_clr_bits(tps_dev, RTC_CTRL, RTC_ENABLE);
+	if (ret < 0) {
+		dev_err(dev, "failed to clear RTC_ENABLE\n");
+		return ret;
+	}
+
+	ret = tps6586x_writes(tps_dev, RTC_COUNT4, sizeof(buff), buff);
+	if (ret < 0) {
+		dev_err(dev, "failed to program new time\n");
+		return ret;
+	}
+
+	/* Enable RTC */
+	ret = tps6586x_set_bits(tps_dev, RTC_CTRL, RTC_ENABLE);
+	if (ret < 0) {
+		dev_err(dev, "failed to set RTC_ENABLE\n");
+		return ret;
+	}
+	return 0;
+}
+
+static int tps6586x_rtc_alarm_irq_enable(struct device *dev,
+			 unsigned int enabled)
+{
+	struct tps6586x_rtc *rtc = dev_get_drvdata(dev);
+
+	if (enabled && !rtc->irq_en) {
+		enable_irq(rtc->irq);
+		rtc->irq_en = true;
+	} else if (!enabled && rtc->irq_en)  {
+		disable_irq(rtc->irq);
+		rtc->irq_en = false;
+	}
+	return 0;
+}
+
+static int tps6586x_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct tps6586x_rtc *rtc = dev_get_drvdata(dev);
+	struct device *tps_dev = to_tps6586x_dev(dev);
+	unsigned long seconds;
+	unsigned long ticks;
+	unsigned long rtc_current_time;
+	unsigned long long rticks = 0;
+	u8 buff[3];
+	u8 rbuff[6];
+	int ret;
+	int i;
+
+	rtc_tm_to_time(&alrm->time, &seconds);
+
+	if (alrm->enabled && (seconds < rtc->epoch_start)) {
+		dev_err(dev, "can't set alarm to requested time\n");
+		return -EINVAL;
+	}
+
+	ret = tps6586x_rtc_alarm_irq_enable(dev, alrm->enabled);
+	if (ret < 0) {
+		dev_err(dev, "can't set alarm irq, err %d\n", ret);
+		return ret;
+	}
+
+	seconds -= rtc->epoch_start;
+	ret = tps6586x_reads(tps_dev, RTC_COUNT4_DUMMYREAD,
+			sizeof(rbuff), rbuff);
+	if (ret < 0) {
+		dev_err(dev, "read counter failed with err %d\n", ret);
+		return ret;
+	}
+
+	for (i = 1; i < sizeof(rbuff); i++) {
+		rticks <<= 8;
+		rticks |= rbuff[i];
+	}
+
+	rtc_current_time = rticks >> 10;
+	if ((seconds - rtc_current_time) > ALM1_VALID_RANGE_IN_SEC)
+		seconds = rtc_current_time - 1;
+
+	ticks = (unsigned long long)seconds << 10;
+	buff[0] = (ticks >> 16) & 0xff;
+	buff[1] = (ticks >> 8) & 0xff;
+	buff[2] = ticks & 0xff;
+
+	ret = tps6586x_writes(tps_dev, RTC_ALARM1_HI, sizeof(buff), buff);
+	if (ret)
+		dev_err(dev, "programming alarm failed with err %d\n", ret);
+
+	return ret;
+}
+
+static int tps6586x_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct tps6586x_rtc *rtc = dev_get_drvdata(dev);
+	struct device *tps_dev = to_tps6586x_dev(dev);
+	unsigned long ticks;
+	unsigned long seconds;
+	u8 buff[3];
+	int ret;
+
+	ret = tps6586x_reads(tps_dev, RTC_ALARM1_HI, sizeof(buff), buff);
+	if (ret) {
+		dev_err(dev, "read RTC_ALARM1_HI failed with err %d\n", ret);
+		return ret;
+	}
+
+	ticks = (buff[0] << 16) | (buff[1] << 8) | buff[2];
+	seconds = ticks >> 10;
+	seconds += rtc->epoch_start;
+
+	rtc_time_to_tm(seconds, &alrm->time);
+	return 0;
+}
+
+static const struct rtc_class_ops tps6586x_rtc_ops = {
+	.read_time	= tps6586x_rtc_read_time,
+	.set_time	= tps6586x_rtc_set_time,
+	.set_alarm	= tps6586x_rtc_set_alarm,
+	.read_alarm	= tps6586x_rtc_read_alarm,
+	.alarm_irq_enable = tps6586x_rtc_alarm_irq_enable,
+};
+
+static irqreturn_t tps6586x_rtc_irq(int irq, void *data)
+{
+	struct tps6586x_rtc *rtc = data;
+
+	rtc_update_irq(rtc->rtc, 1, RTC_IRQF | RTC_AF);
+	return IRQ_HANDLED;
+}
+
+static int tps6586x_rtc_probe(struct platform_device *pdev)
+{
+	struct device *tps_dev = to_tps6586x_dev(&pdev->dev);
+	struct tps6586x_rtc *rtc;
+	int ret;
+
+	rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);
+	if (!rtc)
+		return -ENOMEM;
+
+	rtc->dev = &pdev->dev;
+	rtc->irq = platform_get_irq(pdev, 0);
+
+	/* Set epoch start as 00:00:00:01:01:2009 */
+	rtc->epoch_start = mktime(2009, 1, 1, 0, 0, 0);
+
+	/* 1 kHz tick mode, enable tick counting */
+	ret = tps6586x_update(tps_dev, RTC_CTRL,
+		RTC_ENABLE | OSC_SRC_SEL |
+		((TPS6586X_RTC_CL_SEL_1_5PF << CL_SEL_POS) & CL_SEL_MASK),
+		RTC_ENABLE | OSC_SRC_SEL | PRE_BYPASS | CL_SEL_MASK);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "unable to start counter\n");
+		return ret;
+	}
+
+	platform_set_drvdata(pdev, rtc);
+	rtc->rtc = rtc_device_register(dev_name(&pdev->dev), &pdev->dev,
+				       &tps6586x_rtc_ops, THIS_MODULE);
+	if (IS_ERR(rtc->rtc)) {
+		ret = PTR_ERR(rtc->rtc);
+		dev_err(&pdev->dev, "RTC device register: ret %d\n", ret);
+		goto fail_rtc_register;
+	}
+
+	ret = devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL,
+				tps6586x_rtc_irq,
+				IRQF_ONESHOT | IRQF_EARLY_RESUME,
+				dev_name(&pdev->dev), rtc);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "request IRQ(%d) failed with ret %d\n",
+				rtc->irq, ret);
+		goto fail_req_irq;
+	}
+	disable_irq(rtc->irq);
+	device_set_wakeup_capable(&pdev->dev, 1);
+	return 0;
+
+fail_req_irq:
+	rtc_device_unregister(rtc->rtc);
+
+fail_rtc_register:
+	tps6586x_update(tps_dev, RTC_CTRL, 0,
+		RTC_ENABLE | OSC_SRC_SEL | PRE_BYPASS | CL_SEL_MASK);
+	return ret;
+};
+
+static int tps6586x_rtc_remove(struct platform_device *pdev)
+{
+	struct tps6586x_rtc *rtc = platform_get_drvdata(pdev);
+	struct device *tps_dev = to_tps6586x_dev(&pdev->dev);
+
+	tps6586x_update(tps_dev, RTC_CTRL, 0,
+		RTC_ENABLE | OSC_SRC_SEL | PRE_BYPASS | CL_SEL_MASK);
+	rtc_device_unregister(rtc->rtc);
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int tps6586x_rtc_suspend(struct device *dev)
+{
+	struct tps6586x_rtc *rtc = dev_get_drvdata(dev);
+
+	if (device_may_wakeup(dev))
+		enable_irq_wake(rtc->irq);
+	return 0;
+}
+
+static int tps6586x_rtc_resume(struct device *dev)
+{
+	struct tps6586x_rtc *rtc = dev_get_drvdata(dev);
+
+	if (device_may_wakeup(dev))
+		disable_irq_wake(rtc->irq);
+	return 0;
+}
+#endif
+
+static const struct dev_pm_ops tps6586x_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(tps6586x_rtc_suspend, tps6586x_rtc_resume)
+};
+
+static struct platform_driver tps6586x_rtc_driver = {
+	.driver	= {
+		.name	= "tps6586x-rtc",
+		.owner	= THIS_MODULE,
+		.pm	= &tps6586x_pm_ops,
+	},
+	.probe	= tps6586x_rtc_probe,
+	.remove	= tps6586x_rtc_remove,
+};
+module_platform_driver(tps6586x_rtc_driver);
+
+MODULE_ALIAS("platform:rtc-tps6586x");
+MODULE_DESCRIPTION("TI TPS6586x RTC driver");
+MODULE_AUTHOR("Laxman dewangan <ldewangan@nvidia.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/rtc/rtc-tps65910.c b/drivers/rtc/rtc-tps65910.c
index 7a82337e4de..8bd8115329b 100644
--- a/drivers/rtc/rtc-tps65910.c
+++ b/drivers/rtc/rtc-tps65910.c
@@ -22,13 +22,13 @@
 #include <linux/rtc.h>
 #include <linux/bcd.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/interrupt.h>
 #include <linux/mfd/tps65910.h>
 
 struct tps65910_rtc {
 	struct rtc_device	*rtc;
-	/* To store the list of enabled interrupts */
-	u32 irqstat;
+	int irq;
 };
 
 /* Total number of RTC registers needed to set time*/
@@ -222,7 +222,7 @@ static const struct rtc_class_ops tps65910_rtc_ops = {
 	.alarm_irq_enable = tps65910_rtc_alarm_irq_enable,
 };
 
-static int __devinit tps65910_rtc_probe(struct platform_device *pdev)
+static int tps65910_rtc_probe(struct platform_device *pdev)
 {
 	struct tps65910 *tps65910 = NULL;
 	struct tps65910_rtc *tps_rtc = NULL;
@@ -247,6 +247,13 @@ static int __devinit tps65910_rtc_probe(struct platform_device *pdev)
 		return ret;
 
 	dev_dbg(&pdev->dev, "Enabling rtc-tps65910.\n");
+
+	/* Enable RTC digital power domain */
+	ret = regmap_update_bits(tps65910->regmap, TPS65910_DEVCTRL,
+		DEVCTRL_RTC_PWDN_MASK, 0 << DEVCTRL_RTC_PWDN_SHIFT);
+	if (ret < 0)
+		return ret;
+
 	rtc_reg = TPS65910_RTC_CTRL_STOP_RTC;
 	ret = regmap_write(tps65910->regmap, TPS65910_RTC_CTRL, rtc_reg);
 	if (ret < 0)
@@ -260,13 +267,14 @@ static int __devinit tps65910_rtc_probe(struct platform_device *pdev)
 	}
 
 	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
-		tps65910_rtc_interrupt, IRQF_TRIGGER_LOW,
-		"rtc-tps65910", &pdev->dev);
+		tps65910_rtc_interrupt, IRQF_TRIGGER_LOW | IRQF_EARLY_RESUME,
+		dev_name(&pdev->dev), &pdev->dev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "IRQ is not free.\n");
 		return ret;
 	}
-	device_init_wakeup(&pdev->dev, 1);
+	tps_rtc->irq = irq;
+	device_set_wakeup_capable(&pdev->dev, 1);
 
 	tps_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
 		&tps65910_rtc_ops, THIS_MODULE);
@@ -285,61 +293,48 @@ static int __devinit tps65910_rtc_probe(struct platform_device *pdev)
  * Disable tps65910 RTC interrupts.
  * Sets status flag to free.
  */
-static int __devexit tps65910_rtc_remove(struct platform_device *pdev)
+static int tps65910_rtc_remove(struct platform_device *pdev)
 {
 	/* leave rtc running, but disable irqs */
-	struct rtc_device *rtc = platform_get_drvdata(pdev);
+	struct tps65910_rtc *tps_rtc = platform_get_drvdata(pdev);
 
-	tps65910_rtc_alarm_irq_enable(&rtc->dev, 0);
+	tps65910_rtc_alarm_irq_enable(&pdev->dev, 0);
 
-	rtc_device_unregister(rtc);
+	rtc_device_unregister(tps_rtc->rtc);
 	return 0;
 }
 
 #ifdef CONFIG_PM_SLEEP
-
 static int tps65910_rtc_suspend(struct device *dev)
 {
-	struct tps65910 *tps = dev_get_drvdata(dev->parent);
-	u8 alarm = TPS65910_RTC_INTERRUPTS_IT_ALARM;
-	int ret;
-
-	/* Store current list of enabled interrupts*/
-	ret = regmap_read(tps->regmap, TPS65910_RTC_INTERRUPTS,
-		&tps->rtc->irqstat);
-	if (ret < 0)
-		return ret;
+	struct tps65910_rtc *tps_rtc = dev_get_drvdata(dev);
 
-	/* Enable RTC ALARM interrupt only */
-	return regmap_write(tps->regmap, TPS65910_RTC_INTERRUPTS, alarm);
+	if (device_may_wakeup(dev))
+		enable_irq_wake(tps_rtc->irq);
+	return 0;
 }
 
 static int tps65910_rtc_resume(struct device *dev)
 {
-	struct tps65910 *tps = dev_get_drvdata(dev->parent);
+	struct tps65910_rtc *tps_rtc = dev_get_drvdata(dev);
 
-	/* Restore list of enabled interrupts before suspend */
-	return regmap_write(tps->regmap, TPS65910_RTC_INTERRUPTS,
-		tps->rtc->irqstat);
+	if (device_may_wakeup(dev))
+		disable_irq_wake(tps_rtc->irq);
+	return 0;
 }
+#endif
 
 static const struct dev_pm_ops tps65910_rtc_pm_ops = {
-	.suspend	= tps65910_rtc_suspend,
-	.resume		= tps65910_rtc_resume,
+	SET_SYSTEM_SLEEP_PM_OPS(tps65910_rtc_suspend, tps65910_rtc_resume)
 };
 
-#define DEV_PM_OPS     (&tps65910_rtc_pm_ops)
-#else
-#define DEV_PM_OPS     NULL
-#endif
-
 static struct platform_driver tps65910_rtc_driver = {
 	.probe		= tps65910_rtc_probe,
-	.remove		= __devexit_p(tps65910_rtc_remove),
+	.remove		= tps65910_rtc_remove,
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "tps65910-rtc",
-		.pm	= DEV_PM_OPS,
+		.pm	= &tps65910_rtc_pm_ops,
 	},
 };
 
diff --git a/drivers/rtc/rtc-tps80031.c b/drivers/rtc/rtc-tps80031.c
new file mode 100644
index 00000000000..9aaf8aaebae
--- /dev/null
+++ b/drivers/rtc/rtc-tps80031.c
@@ -0,0 +1,349 @@
+/*
+ * rtc-tps80031.c -- TI TPS80031/TPS80032 RTC driver
+ *
+ * RTC driver for TI TPS80031/TPS80032 Fully Integrated
+ * Power Management with Power Path and Battery Charger
+ *
+ * Copyright (c) 2012, NVIDIA Corporation.
+ *
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
+ * whether express or implied; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307, USA
+ */
+
+#include <linux/bcd.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mfd/tps80031.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/rtc.h>
+#include <linux/slab.h>
+
+#define ENABLE_ALARM_INT			0x08
+#define ALARM_INT_STATUS			0x40
+
+/**
+ * Setting bit to 1 in STOP_RTC will run the RTC and
+ * setting this bit to 0 will freeze RTC.
+ */
+#define STOP_RTC				0x1
+
+/* Power on reset Values of RTC registers */
+#define TPS80031_RTC_POR_YEAR			0
+#define TPS80031_RTC_POR_MONTH			1
+#define TPS80031_RTC_POR_DAY			1
+
+/* Numbers of registers for time and alarms */
+#define TPS80031_RTC_TIME_NUM_REGS		7
+#define TPS80031_RTC_ALARM_NUM_REGS		6
+
+/**
+ * PMU RTC have only 2 nibbles to store year information, so using an
+ * offset of 100 to set the base year as 2000 for our driver.
+ */
+#define RTC_YEAR_OFFSET 100
+
+struct tps80031_rtc {
+	struct rtc_device	*rtc;
+	int			irq;
+};
+
+static int tps80031_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	u8 buff[TPS80031_RTC_TIME_NUM_REGS];
+	int ret;
+
+	ret = tps80031_reads(dev->parent, TPS80031_SLAVE_ID1,
+			TPS80031_SECONDS_REG, TPS80031_RTC_TIME_NUM_REGS, buff);
+	if (ret < 0) {
+		dev_err(dev, "reading RTC_SECONDS_REG failed, err = %d\n", ret);
+		return ret;
+	}
+
+	tm->tm_sec = bcd2bin(buff[0]);
+	tm->tm_min = bcd2bin(buff[1]);
+	tm->tm_hour = bcd2bin(buff[2]);
+	tm->tm_mday = bcd2bin(buff[3]);
+	tm->tm_mon = bcd2bin(buff[4]) - 1;
+	tm->tm_year = bcd2bin(buff[5]) + RTC_YEAR_OFFSET;
+	tm->tm_wday = bcd2bin(buff[6]);
+	return 0;
+}
+
+static int tps80031_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	u8 buff[7];
+	int ret;
+
+	buff[0] = bin2bcd(tm->tm_sec);
+	buff[1] = bin2bcd(tm->tm_min);
+	buff[2] = bin2bcd(tm->tm_hour);
+	buff[3] = bin2bcd(tm->tm_mday);
+	buff[4] = bin2bcd(tm->tm_mon + 1);
+	buff[5] = bin2bcd(tm->tm_year % RTC_YEAR_OFFSET);
+	buff[6] = bin2bcd(tm->tm_wday);
+
+	/* Stop RTC while updating the RTC time registers */
+	ret = tps80031_clr_bits(dev->parent, TPS80031_SLAVE_ID1,
+				TPS80031_RTC_CTRL_REG, STOP_RTC);
+	if (ret < 0) {
+		dev_err(dev->parent, "Stop RTC failed, err = %d\n", ret);
+		return ret;
+	}
+
+	ret = tps80031_writes(dev->parent, TPS80031_SLAVE_ID1,
+			TPS80031_SECONDS_REG,
+			TPS80031_RTC_TIME_NUM_REGS, buff);
+	if (ret < 0) {
+		dev_err(dev, "writing RTC_SECONDS_REG failed, err %d\n", ret);
+		return ret;
+	}
+
+	ret = tps80031_set_bits(dev->parent, TPS80031_SLAVE_ID1,
+				TPS80031_RTC_CTRL_REG, STOP_RTC);
+	if (ret < 0)
+		dev_err(dev->parent, "Start RTC failed, err = %d\n", ret);
+	return ret;
+}
+
+static int tps80031_rtc_alarm_irq_enable(struct device *dev,
+					 unsigned int enable)
+{
+	int ret;
+
+	if (enable)
+		ret = tps80031_set_bits(dev->parent, TPS80031_SLAVE_ID1,
+				TPS80031_RTC_INTERRUPTS_REG, ENABLE_ALARM_INT);
+	else
+		ret = tps80031_clr_bits(dev->parent, TPS80031_SLAVE_ID1,
+				TPS80031_RTC_INTERRUPTS_REG, ENABLE_ALARM_INT);
+	if (ret < 0) {
+		dev_err(dev, "Update on RTC_INT failed, err = %d\n", ret);
+		return ret;
+	}
+	return 0;
+}
+
+static int tps80031_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	u8 buff[TPS80031_RTC_ALARM_NUM_REGS];
+	int ret;
+
+	buff[0] = bin2bcd(alrm->time.tm_sec);
+	buff[1] = bin2bcd(alrm->time.tm_min);
+	buff[2] = bin2bcd(alrm->time.tm_hour);
+	buff[3] = bin2bcd(alrm->time.tm_mday);
+	buff[4] = bin2bcd(alrm->time.tm_mon + 1);
+	buff[5] = bin2bcd(alrm->time.tm_year % RTC_YEAR_OFFSET);
+	ret = tps80031_writes(dev->parent, TPS80031_SLAVE_ID1,
+			TPS80031_ALARM_SECONDS_REG,
+			TPS80031_RTC_ALARM_NUM_REGS, buff);
+	if (ret < 0) {
+		dev_err(dev, "Writing RTC_ALARM failed, err %d\n", ret);
+		return ret;
+	}
+	return tps80031_rtc_alarm_irq_enable(dev, alrm->enabled);
+}
+
+static int tps80031_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	u8 buff[6];
+	int ret;
+
+	ret = tps80031_reads(dev->parent, TPS80031_SLAVE_ID1,
+			TPS80031_ALARM_SECONDS_REG,
+			TPS80031_RTC_ALARM_NUM_REGS, buff);
+	if (ret < 0) {
+		dev_err(dev->parent,
+			"reading RTC_ALARM failed, err = %d\n", ret);
+		return ret;
+	}
+
+	alrm->time.tm_sec = bcd2bin(buff[0]);
+	alrm->time.tm_min = bcd2bin(buff[1]);
+	alrm->time.tm_hour = bcd2bin(buff[2]);
+	alrm->time.tm_mday = bcd2bin(buff[3]);
+	alrm->time.tm_mon = bcd2bin(buff[4]) - 1;
+	alrm->time.tm_year = bcd2bin(buff[5]) + RTC_YEAR_OFFSET;
+	return 0;
+}
+
+static int clear_alarm_int_status(struct device *dev, struct tps80031_rtc *rtc)
+{
+	int ret;
+	u8 buf;
+
+	/**
+	 * As per datasheet, A dummy read of this  RTC_STATUS_REG register
+	 * is necessary before each I2C read in order to update the status
+	 * register value.
+	 */
+	ret = tps80031_read(dev->parent, TPS80031_SLAVE_ID1,
+				TPS80031_RTC_STATUS_REG, &buf);
+	if (ret < 0) {
+		dev_err(dev, "reading RTC_STATUS failed. err = %d\n", ret);
+		return ret;
+	}
+
+	/* clear Alarm status bits.*/
+	ret = tps80031_set_bits(dev->parent, TPS80031_SLAVE_ID1,
+			TPS80031_RTC_STATUS_REG, ALARM_INT_STATUS);
+	if (ret < 0) {
+		dev_err(dev, "clear Alarm INT failed, err = %d\n", ret);
+		return ret;
+	}
+	return 0;
+}
+
+static irqreturn_t tps80031_rtc_irq(int irq, void *data)
+{
+	struct device *dev = data;
+	struct tps80031_rtc *rtc = dev_get_drvdata(dev);
+	int ret;
+
+	ret = clear_alarm_int_status(dev, rtc);
+	if (ret < 0)
+		return ret;
+
+	rtc_update_irq(rtc->rtc, 1, RTC_IRQF | RTC_AF);
+	return IRQ_HANDLED;
+}
+
+static const struct rtc_class_ops tps80031_rtc_ops = {
+	.read_time = tps80031_rtc_read_time,
+	.set_time = tps80031_rtc_set_time,
+	.set_alarm = tps80031_rtc_set_alarm,
+	.read_alarm = tps80031_rtc_read_alarm,
+	.alarm_irq_enable = tps80031_rtc_alarm_irq_enable,
+};
+
+static int tps80031_rtc_probe(struct platform_device *pdev)
+{
+	struct tps80031_rtc *rtc;
+	struct rtc_time tm;
+	int ret;
+
+	rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);
+	if (!rtc)
+		return -ENOMEM;
+
+	rtc->irq = platform_get_irq(pdev, 0);
+	platform_set_drvdata(pdev, rtc);
+
+	/* Start RTC */
+	ret = tps80031_set_bits(pdev->dev.parent, TPS80031_SLAVE_ID1,
+			TPS80031_RTC_CTRL_REG, STOP_RTC);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "failed to start RTC. err = %d\n", ret);
+		return ret;
+	}
+
+	/* If RTC have POR values, set time 01:01:2000 */
+	tps80031_rtc_read_time(&pdev->dev, &tm);
+	if ((tm.tm_year == RTC_YEAR_OFFSET + TPS80031_RTC_POR_YEAR) &&
+		(tm.tm_mon == (TPS80031_RTC_POR_MONTH - 1)) &&
+		(tm.tm_mday == TPS80031_RTC_POR_DAY)) {
+		tm.tm_year = 2000;
+		tm.tm_mday = 1;
+		tm.tm_mon = 1;
+		ret = tps80031_rtc_set_time(&pdev->dev, &tm);
+		if (ret < 0) {
+			dev_err(&pdev->dev,
+				"RTC set time failed, err = %d\n", ret);
+			return ret;
+		}
+	}
+
+	/* Clear alarm intretupt status if it is there */
+	ret = clear_alarm_int_status(&pdev->dev, rtc);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Clear alarm int failed, err = %d\n", ret);
+		return ret;
+	}
+
+	rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
+			       &tps80031_rtc_ops, THIS_MODULE);
+	if (IS_ERR(rtc->rtc)) {
+		ret = PTR_ERR(rtc->rtc);
+		dev_err(&pdev->dev, "RTC registration failed, err %d\n", ret);
+		return ret;
+	}
+
+	ret = devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL,
+			tps80031_rtc_irq,
+			IRQF_ONESHOT | IRQF_EARLY_RESUME,
+			dev_name(&pdev->dev), rtc);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "request IRQ:%d failed, err = %d\n",
+			 rtc->irq, ret);
+		rtc_device_unregister(rtc->rtc);
+		return ret;
+	}
+	device_set_wakeup_capable(&pdev->dev, 1);
+	return 0;
+}
+
+static int tps80031_rtc_remove(struct platform_device *pdev)
+{
+	struct tps80031_rtc *rtc = platform_get_drvdata(pdev);
+
+	rtc_device_unregister(rtc->rtc);
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int tps80031_rtc_suspend(struct device *dev)
+{
+	struct tps80031_rtc *rtc = dev_get_drvdata(dev);
+
+	if (device_may_wakeup(dev))
+		enable_irq_wake(rtc->irq);
+	return 0;
+}
+
+static int tps80031_rtc_resume(struct device *dev)
+{
+	struct tps80031_rtc *rtc = dev_get_drvdata(dev);
+
+	if (device_may_wakeup(dev))
+		disable_irq_wake(rtc->irq);
+	return 0;
+};
+#endif
+
+static const struct dev_pm_ops tps80031_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(tps80031_rtc_suspend, tps80031_rtc_resume)
+};
+
+static struct platform_driver tps80031_rtc_driver = {
+	.driver	= {
+		.name	= "tps80031-rtc",
+		.owner	= THIS_MODULE,
+		.pm	= &tps80031_pm_ops,
+	},
+	.probe	= tps80031_rtc_probe,
+	.remove	= tps80031_rtc_remove,
+};
+
+module_platform_driver(tps80031_rtc_driver);
+
+MODULE_ALIAS("platform:tps80031-rtc");
+MODULE_DESCRIPTION("TI TPS80031/TPS80032 RTC driver");
+MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 9277d945bf4..8bc6c80b184 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -27,6 +27,7 @@
 #include <linux/bcd.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
+#include <linux/of.h>
 
 #include <linux/i2c/twl.h>
 
@@ -233,7 +234,7 @@ static int twl_rtc_alarm_irq_enable(struct device *dev, unsigned enabled)
  */
 static int twl_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
-	unsigned char rtc_data[ALL_TIME_REGS + 1];
+	unsigned char rtc_data[ALL_TIME_REGS];
 	int ret;
 	u8 save_control;
 	u8 rtc_control;
@@ -300,15 +301,15 @@ static int twl_rtc_read_time(struct device *dev, struct rtc_time *tm)
 static int twl_rtc_set_time(struct device *dev, struct rtc_time *tm)
 {
 	unsigned char save_control;
-	unsigned char rtc_data[ALL_TIME_REGS + 1];
+	unsigned char rtc_data[ALL_TIME_REGS];
 	int ret;
 
-	rtc_data[1] = bin2bcd(tm->tm_sec);
-	rtc_data[2] = bin2bcd(tm->tm_min);
-	rtc_data[3] = bin2bcd(tm->tm_hour);
-	rtc_data[4] = bin2bcd(tm->tm_mday);
-	rtc_data[5] = bin2bcd(tm->tm_mon + 1);
-	rtc_data[6] = bin2bcd(tm->tm_year - 100);
+	rtc_data[0] = bin2bcd(tm->tm_sec);
+	rtc_data[1] = bin2bcd(tm->tm_min);
+	rtc_data[2] = bin2bcd(tm->tm_hour);
+	rtc_data[3] = bin2bcd(tm->tm_mday);
+	rtc_data[4] = bin2bcd(tm->tm_mon + 1);
+	rtc_data[5] = bin2bcd(tm->tm_year - 100);
 
 	/* Stop RTC while updating the TC registers */
 	ret = twl_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
@@ -341,7 +342,7 @@ out:
  */
 static int twl_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
 {
-	unsigned char rtc_data[ALL_TIME_REGS + 1];
+	unsigned char rtc_data[ALL_TIME_REGS];
 	int ret;
 
 	ret = twl_i2c_read(TWL_MODULE_RTC, rtc_data,
@@ -368,19 +369,19 @@ static int twl_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
 
 static int twl_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
 {
-	unsigned char alarm_data[ALL_TIME_REGS + 1];
+	unsigned char alarm_data[ALL_TIME_REGS];
 	int ret;
 
 	ret = twl_rtc_alarm_irq_enable(dev, 0);
 	if (ret)
 		goto out;
 
-	alarm_data[1] = bin2bcd(alm->time.tm_sec);
-	alarm_data[2] = bin2bcd(alm->time.tm_min);
-	alarm_data[3] = bin2bcd(alm->time.tm_hour);
-	alarm_data[4] = bin2bcd(alm->time.tm_mday);
-	alarm_data[5] = bin2bcd(alm->time.tm_mon + 1);
-	alarm_data[6] = bin2bcd(alm->time.tm_year - 100);
+	alarm_data[0] = bin2bcd(alm->time.tm_sec);
+	alarm_data[1] = bin2bcd(alm->time.tm_min);
+	alarm_data[2] = bin2bcd(alm->time.tm_hour);
+	alarm_data[3] = bin2bcd(alm->time.tm_mday);
+	alarm_data[4] = bin2bcd(alm->time.tm_mon + 1);
+	alarm_data[5] = bin2bcd(alm->time.tm_year - 100);
 
 	/* update all the alarm registers in one shot */
 	ret = twl_i2c_write(TWL_MODULE_RTC, alarm_data,
@@ -458,7 +459,7 @@ static struct rtc_class_ops twl_rtc_ops = {
 
 /*----------------------------------------------------------------------*/
 
-static int __devinit twl_rtc_probe(struct platform_device *pdev)
+static int twl_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 	int ret = -EINVAL;
@@ -535,7 +536,7 @@ out1:
  * Disable all TWL RTC module interrupts.
  * Sets status flag to free.
  */
-static int __devexit twl_rtc_remove(struct platform_device *pdev)
+static int twl_rtc_remove(struct platform_device *pdev)
 {
 	/* leave rtc running, but disable irqs */
 	struct rtc_device *rtc = platform_get_drvdata(pdev);
@@ -588,23 +589,26 @@ static int twl_rtc_resume(struct platform_device *pdev)
 #define twl_rtc_resume  NULL
 #endif
 
+#ifdef CONFIG_OF
 static const struct of_device_id twl_rtc_of_match[] = {
 	{.compatible = "ti,twl4030-rtc", },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, twl_rtc_of_match);
+#endif
+
 MODULE_ALIAS("platform:twl_rtc");
 
 static struct platform_driver twl4030rtc_driver = {
 	.probe		= twl_rtc_probe,
-	.remove		= __devexit_p(twl_rtc_remove),
+	.remove		= twl_rtc_remove,
 	.shutdown	= twl_rtc_shutdown,
 	.suspend	= twl_rtc_suspend,
 	.resume		= twl_rtc_resume,
 	.driver		= {
 		.owner		= THIS_MODULE,
 		.name		= "twl_rtc",
-		.of_match_table = twl_rtc_of_match,
+		.of_match_table = of_match_ptr(twl_rtc_of_match),
 	},
 };
 
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 5f60a7c6a15..f91be04b905 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -280,7 +280,7 @@ static const struct rtc_class_ops vr41xx_rtc_ops = {
 	.set_alarm	= vr41xx_rtc_set_alarm,
 };
 
-static int __devinit rtc_probe(struct platform_device *pdev)
+static int rtc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct rtc_device *rtc;
@@ -352,7 +352,7 @@ static int __devinit rtc_probe(struct platform_device *pdev)
 	disable_irq(aie_irq);
 	disable_irq(pie_irq);
 
-	printk(KERN_INFO "rtc: Real Time Clock of NEC VR4100 series\n");
+	dev_info(&pdev->dev, "Real Time Clock of NEC VR4100 series\n");
 
 	return 0;
 
@@ -373,7 +373,7 @@ err_rtc1_iounmap:
 	return retval;
 }
 
-static int __devexit rtc_remove(struct platform_device *pdev)
+static int rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 
@@ -398,7 +398,7 @@ MODULE_ALIAS("platform:RTC");
 
 static struct platform_driver rtc_platform_driver = {
 	.probe		= rtc_probe,
-	.remove		= __devexit_p(rtc_remove),
+	.remove		= rtc_remove,
 	.driver		= {
 		.name	= rtc_name,
 		.owner	= THIS_MODULE,
diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index 07bf19364a7..a000bc0a8bf 100644
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -70,7 +70,7 @@
 				| ALARM_SEC_BIT)
 
 #define VT8500_RTC_CR_ENABLE	(1 << 0)	/* Enable RTC */
-#define VT8500_RTC_CR_24H	(1 << 1)	/* 24h time format */
+#define VT8500_RTC_CR_12H	(1 << 1)	/* 12h time format */
 #define VT8500_RTC_CR_SM_ENABLE	(1 << 2)	/* Enable periodic irqs */
 #define VT8500_RTC_CR_SM_SEC	(1 << 3)	/* 0: 1Hz/60, 1: 1Hz */
 #define VT8500_RTC_CR_CALIB	(1 << 4)	/* Enable calibration */
@@ -119,7 +119,7 @@ static int vt8500_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	tm->tm_min = bcd2bin((time & TIME_MIN_MASK) >> TIME_MIN_S);
 	tm->tm_hour = bcd2bin((time & TIME_HOUR_MASK) >> TIME_HOUR_S);
 	tm->tm_mday = bcd2bin(date & DATE_DAY_MASK);
-	tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S);
+	tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S) - 1;
 	tm->tm_year = bcd2bin((date & DATE_YEAR_MASK) >> DATE_YEAR_S)
 			+ ((date >> DATE_CENTURY_S) & 1 ? 200 : 100);
 	tm->tm_wday = (time & TIME_DOW_MASK) >> TIME_DOW_S;
@@ -137,9 +137,10 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm)
 		return -EINVAL;
 	}
 
-	writel((bin2bcd(tm->tm_year - 100) << DATE_YEAR_S)
-		| (bin2bcd(tm->tm_mon) << DATE_MONTH_S)
-		| (bin2bcd(tm->tm_mday)),
+	writel((bin2bcd(tm->tm_year % 100) << DATE_YEAR_S)
+		| (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S)
+		| (bin2bcd(tm->tm_mday))
+		| ((tm->tm_year >= 200) << DATE_CENTURY_S),
 		vt8500_rtc->regbase + VT8500_RTC_DS);
 	writel((bin2bcd(tm->tm_wday) << TIME_DOW_S)
 		| (bin2bcd(tm->tm_hour) << TIME_HOUR_S)
@@ -205,12 +206,13 @@ static const struct rtc_class_ops vt8500_rtc_ops = {
 	.alarm_irq_enable = vt8500_alarm_irq_enable,
 };
 
-static int __devinit vt8500_rtc_probe(struct platform_device *pdev)
+static int vt8500_rtc_probe(struct platform_device *pdev)
 {
 	struct vt8500_rtc *vt8500_rtc;
 	int ret;
 
-	vt8500_rtc = kzalloc(sizeof(struct vt8500_rtc), GFP_KERNEL);
+	vt8500_rtc = devm_kzalloc(&pdev->dev,
+			   sizeof(struct vt8500_rtc), GFP_KERNEL);
 	if (!vt8500_rtc)
 		return -ENOMEM;
 
@@ -220,36 +222,34 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev)
 	vt8500_rtc->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!vt8500_rtc->res) {
 		dev_err(&pdev->dev, "No I/O memory resource defined\n");
-		ret = -ENXIO;
-		goto err_free;
+		return -ENXIO;
 	}
 
 	vt8500_rtc->irq_alarm = platform_get_irq(pdev, 0);
 	if (vt8500_rtc->irq_alarm < 0) {
 		dev_err(&pdev->dev, "No alarm IRQ resource defined\n");
-		ret = -ENXIO;
-		goto err_free;
+		return -ENXIO;
 	}
 
-	vt8500_rtc->res = request_mem_region(vt8500_rtc->res->start,
-					     resource_size(vt8500_rtc->res),
-					     "vt8500-rtc");
+	vt8500_rtc->res = devm_request_mem_region(&pdev->dev,
+					vt8500_rtc->res->start,
+					resource_size(vt8500_rtc->res),
+					"vt8500-rtc");
 	if (vt8500_rtc->res == NULL) {
 		dev_err(&pdev->dev, "failed to request I/O memory\n");
-		ret = -EBUSY;
-		goto err_free;
+		return -EBUSY;
 	}
 
-	vt8500_rtc->regbase = ioremap(vt8500_rtc->res->start,
+	vt8500_rtc->regbase = devm_ioremap(&pdev->dev, vt8500_rtc->res->start,
 				      resource_size(vt8500_rtc->res));
 	if (!vt8500_rtc->regbase) {
 		dev_err(&pdev->dev, "Unable to map RTC I/O memory\n");
 		ret = -EBUSY;
-		goto err_release;
+		goto err_return;
 	}
 
 	/* Enable RTC and set it to 24-hour mode */
-	writel(VT8500_RTC_CR_ENABLE | VT8500_RTC_CR_24H,
+	writel(VT8500_RTC_CR_ENABLE,
 	       vt8500_rtc->regbase + VT8500_RTC_CR);
 
 	vt8500_rtc->rtc = rtc_device_register("vt8500-rtc", &pdev->dev,
@@ -258,11 +258,11 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev)
 		ret = PTR_ERR(vt8500_rtc->rtc);
 		dev_err(&pdev->dev,
 			"Failed to register RTC device -> %d\n", ret);
-		goto err_unmap;
+		goto err_return;
 	}
 
-	ret = request_irq(vt8500_rtc->irq_alarm, vt8500_rtc_irq, 0,
-			  "rtc alarm", vt8500_rtc);
+	ret = devm_request_irq(&pdev->dev, vt8500_rtc->irq_alarm,
+				vt8500_rtc_irq, 0, "rtc alarm", vt8500_rtc);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "can't get irq %i, err %d\n",
 			vt8500_rtc->irq_alarm, ret);
@@ -273,31 +273,19 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev)
 
 err_unreg:
 	rtc_device_unregister(vt8500_rtc->rtc);
-err_unmap:
-	iounmap(vt8500_rtc->regbase);
-err_release:
-	release_mem_region(vt8500_rtc->res->start,
-			   resource_size(vt8500_rtc->res));
-err_free:
-	kfree(vt8500_rtc);
+err_return:
 	return ret;
 }
 
-static int __devexit vt8500_rtc_remove(struct platform_device *pdev)
+static int vt8500_rtc_remove(struct platform_device *pdev)
 {
 	struct vt8500_rtc *vt8500_rtc = platform_get_drvdata(pdev);
 
-	free_irq(vt8500_rtc->irq_alarm, vt8500_rtc);
-
 	rtc_device_unregister(vt8500_rtc->rtc);
 
 	/* Disable alarm matching */
 	writel(0, vt8500_rtc->regbase + VT8500_RTC_IS);
-	iounmap(vt8500_rtc->regbase);
-	release_mem_region(vt8500_rtc->res->start,
-			   resource_size(vt8500_rtc->res));
 
-	kfree(vt8500_rtc);
 	platform_set_drvdata(pdev, NULL);
 
 	return 0;
@@ -310,7 +298,7 @@ static const struct of_device_id wmt_dt_ids[] = {
 
 static struct platform_driver vt8500_rtc_driver = {
 	.probe		= vt8500_rtc_probe,
-	.remove		= __devexit_p(vt8500_rtc_remove),
+	.remove		= vt8500_rtc_remove,
 	.driver		= {
 		.name	= "vt8500-rtc",
 		.owner	= THIS_MODULE,
diff --git a/drivers/rtc/rtc-wm831x.c b/drivers/rtc/rtc-wm831x.c
index ea5c6f857ca..2f0ac7b30a0 100644
--- a/drivers/rtc/rtc-wm831x.c
+++ b/drivers/rtc/rtc-wm831x.c
@@ -443,9 +443,10 @@ static int wm831x_rtc_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	ret = request_threaded_irq(alm_irq, NULL, wm831x_alm_irq,
-				   IRQF_TRIGGER_RISING, "RTC alarm",
-				   wm831x_rtc);
+	ret = devm_request_threaded_irq(&pdev->dev, alm_irq, NULL,
+				wm831x_alm_irq,
+				IRQF_TRIGGER_RISING, "RTC alarm",
+				wm831x_rtc);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request alarm IRQ %d: %d\n",
 			alm_irq, ret);
@@ -459,12 +460,10 @@ err:
 	return ret;
 }
 
-static int __devexit wm831x_rtc_remove(struct platform_device *pdev)
+static int wm831x_rtc_remove(struct platform_device *pdev)
 {
 	struct wm831x_rtc *wm831x_rtc = platform_get_drvdata(pdev);
-	int alm_irq = platform_get_irq_byname(pdev, "ALM");
 
-	free_irq(alm_irq, wm831x_rtc);
 	rtc_device_unregister(wm831x_rtc->rtc);
 
 	return 0;
@@ -483,7 +482,7 @@ static const struct dev_pm_ops wm831x_rtc_pm_ops = {
 
 static struct platform_driver wm831x_rtc_driver = {
 	.probe = wm831x_rtc_probe,
-	.remove = __devexit_p(wm831x_rtc_remove),
+	.remove = wm831x_rtc_remove,
 	.driver = {
 		.name = "wm831x-rtc",
 		.pm = &wm831x_rtc_pm_ops,
diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c
index c2e52d15abb..8ad86ae0d30 100644
--- a/drivers/rtc/rtc-wm8350.c
+++ b/drivers/rtc/rtc-wm8350.c
@@ -459,7 +459,7 @@ static int wm8350_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __devexit wm8350_rtc_remove(struct platform_device *pdev)
+static int wm8350_rtc_remove(struct platform_device *pdev)
 {
 	struct wm8350 *wm8350 = platform_get_drvdata(pdev);
 	struct wm8350_rtc *wm_rtc = &wm8350->rtc;
@@ -479,7 +479,7 @@ static struct dev_pm_ops wm8350_rtc_pm_ops = {
 
 static struct platform_driver wm8350_rtc_driver = {
 	.probe = wm8350_rtc_probe,
-	.remove = __devexit_p(wm8350_rtc_remove),
+	.remove = wm8350_rtc_remove,
 	.driver = {
 		.name = "wm8350-rtc",
 		.pm = &wm8350_rtc_pm_ops,
diff --git a/drivers/rtc/systohc.c b/drivers/rtc/systohc.c
new file mode 100644
index 00000000000..bf3e242ccc5
--- /dev/null
+++ b/drivers/rtc/systohc.c
@@ -0,0 +1,44 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ */
+#include <linux/rtc.h>
+#include <linux/time.h>
+
+/**
+ * rtc_set_ntp_time - Save NTP synchronized time to the RTC
+ * @now: Current time of day
+ *
+ * Replacement for the NTP platform function update_persistent_clock
+ * that stores time for later retrieval by rtc_hctosys.
+ *
+ * Returns 0 on successful RTC update, -ENODEV if a RTC update is not
+ * possible at all, and various other -errno for specific temporary failure
+ * cases.
+ *
+ * If temporary failure is indicated the caller should try again 'soon'
+ */
+int rtc_set_ntp_time(struct timespec now)
+{
+	struct rtc_device *rtc;
+	struct rtc_time tm;
+	int err = -ENODEV;
+
+	if (now.tv_nsec < (NSEC_PER_SEC >> 1))
+		rtc_time_to_tm(now.tv_sec, &tm);
+	else
+		rtc_time_to_tm(now.tv_sec + 1, &tm);
+
+	rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE);
+	if (rtc) {
+		/* rtc_hctosys exclusively uses UTC, so we call set_time here,
+		 * not set_mmss. */
+		if (rtc->ops && (rtc->ops->set_time || rtc->ops->set_mmss))
+			err = rtc_set_time(rtc, &tm);
+		rtc_class_close(rtc);
+	}
+
+	return err;
+}