Merge tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next

Pull MFD update from Samuel Ortiz:
 "For 3.10 we have a few new MFD drivers for:

   - The ChromeOS embedded controller which provides keyboard, battery
     and power management services.  This controller is accessible
     through i2c or SPI.

   - Silicon Laboratories 476x controller, providing access to their FM
     chipset and their audio codec.

   - Realtek's RTS5249, a memory stick, MMC and SD/SDIO PCI based
     reader.

   - Nokia's Tahvo power button and watchdog device.  This device is
     very similar to Retu and is thus supported by the same code base.

   - STMicroelectronics STMPE1801, a keyboard and GPIO controller
     supported by the stmpe driver.

   - ST-Ericsson AB8540 and AB8505 power management and voltage
     converter controllers through the existing ab8500 code.

  Some other drivers got cleaned up or improved.  In particular:

   - The Linaro/STE guys got the ab8500 driver in sync with their
     internal code through a series of optimizations, fixes and
     improvements.

   - The AS3711 and OMAP USB drivers now have DT support.

   - The arizona clock and interrupt handling code got improved.

   - The wm5102 register patch and boot mechanism also got improved."

* tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (104 commits)
  mfd: si476x: Don't use 0bNNN
  mfd: vexpress: Handle pending config transactions
  mfd: ab8500: Export ab8500_gpadc_sw_hw_convert properly
  mfd: si476x: Fix i2c warning
  mfd: si476x: Add header files and Kbuild plumbing
  mfd: si476x: Add chip properties handling code
  mfd: si476x: Add the bulk of the core driver
  mfd: si476x: Add commands abstraction layer
  mfd: rtsx: Support RTS5249
  mfd: retu: Add Tahvo support
  mfd: ucb1400: Pass ucb1400-gpio data through ac97 bus
  mfd: wm8994: Add some OF properties
  mfd: wm8994: Add device ID data to WM8994 OF device IDs
  input: Export matrix_keypad_parse_of_params()
  mfd: tps65090: Add compatible string for charger subnode
  mfd: db8500-prcmu: Support platform dependant device selection
  mfd: syscon: Fix warnings when printing resource_size_t
  of: Add stub of_get_parent for non-OF builds
  mfd: omap-usb-tll: Convert to devm_ioremap_resource()
  mfd: omap-usb-host: Convert to devm_ioremap_resource()
  ...

1 files changed, 45 insertions, 27 deletions

diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 21434beb420..319b8abe742 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -24,6 +24,7 @@
 #include <linux/jiffies.h>
 #include <linux/bitops.h>
 #include <linux/fs.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/uaccess.h>
 #include <linux/mfd/core.h>
@@ -2704,6 +2705,7 @@ static void dbx500_fw_version_init(struct platform_device *pdev,
 {
 	struct resource *res;
 	void __iomem *tcpm_base;
+	u32 version;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
 					   "prcmu-tcpm");
@@ -2713,26 +2715,27 @@ static void dbx500_fw_version_init(struct platform_device *pdev,
 		return;
 	}
 	tcpm_base = ioremap(res->start, resource_size(res));
-	if (tcpm_base != NULL) {
-		u32 version;
-
-		version = readl(tcpm_base + version_offset);
-		fw_info.version.project = (version & 0xFF);
-		fw_info.version.api_version = (version >> 8) & 0xFF;
-		fw_info.version.func_version = (version >> 16) & 0xFF;
-		fw_info.version.errata = (version >> 24) & 0xFF;
-		strncpy(fw_info.version.project_name,
-			fw_project_name(fw_info.version.project),
-			PRCMU_FW_PROJECT_NAME_LEN);
-		fw_info.valid = true;
-		pr_info("PRCMU firmware: %s(%d), version %d.%d.%d\n",
-			fw_info.version.project_name,
-			fw_info.version.project,
-			fw_info.version.api_version,
-			fw_info.version.func_version,
-			fw_info.version.errata);
-		iounmap(tcpm_base);
+	if (!tcpm_base) {
+		dev_err(&pdev->dev, "no prcmu tcpm mem region provided\n");
+		return;
 	}
+
+	version = readl(tcpm_base + version_offset);
+	fw_info.version.project = (version & 0xFF);
+	fw_info.version.api_version = (version >> 8) & 0xFF;
+	fw_info.version.func_version = (version >> 16) & 0xFF;
+	fw_info.version.errata = (version >> 24) & 0xFF;
+	strncpy(fw_info.version.project_name,
+		fw_project_name(fw_info.version.project),
+		PRCMU_FW_PROJECT_NAME_LEN);
+	fw_info.valid = true;
+	pr_info("PRCMU firmware: %s(%d), version %d.%d.%d\n",
+		fw_info.version.project_name,
+		fw_info.version.project,
+		fw_info.version.api_version,
+		fw_info.version.func_version,
+		fw_info.version.errata);
+	iounmap(tcpm_base);
 }
 
 void __init db8500_prcmu_early_init(u32 phy_base, u32 size)
@@ -3065,6 +3068,15 @@ static struct db8500_thsens_platform_data db8500_thsens_data = {
 	.num_trips = 4,
 };
 
+static struct mfd_cell common_prcmu_devs[] = {
+	{
+		.name = "ux500_wdt",
+		.platform_data = &db8500_wdt_pdata,
+		.pdata_size = sizeof(db8500_wdt_pdata),
+		.id = -1,
+	},
+};
+
 static struct mfd_cell db8500_prcmu_devs[] = {
 	{
 		.name = "db8500-prcmu-regulators",
@@ -3079,12 +3091,6 @@ static struct mfd_cell db8500_prcmu_devs[] = {
 		.pdata_size = sizeof(db8500_cpufreq_table),
 	},
 	{
-		.name = "ux500_wdt",
-		.platform_data = &db8500_wdt_pdata,
-		.pdata_size = sizeof(db8500_wdt_pdata),
-		.id = -1,
-	},
-	{
 		.name = "db8500-thermal",
 		.num_resources = ARRAY_SIZE(db8500_thsens_resources),
 		.resources = db8500_thsens_resources,
@@ -3173,13 +3179,25 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
 
 	db8500_prcmu_update_cpufreq();
 
-	err = mfd_add_devices(&pdev->dev, 0, db8500_prcmu_devs,
-			      ARRAY_SIZE(db8500_prcmu_devs), NULL, 0, db8500_irq_domain);
+	err = mfd_add_devices(&pdev->dev, 0, common_prcmu_devs,
+			      ARRAY_SIZE(common_prcmu_devs), NULL, 0, db8500_irq_domain);
 	if (err) {
 		pr_err("prcmu: Failed to add subdevices\n");
 		return err;
 	}
 
+	/* TODO: Remove restriction when clk definitions are available. */
+	if (!of_machine_is_compatible("st-ericsson,u8540")) {
+		err = mfd_add_devices(&pdev->dev, 0, db8500_prcmu_devs,
+				      ARRAY_SIZE(db8500_prcmu_devs), NULL, 0,
+				      db8500_irq_domain);
+		if (err) {
+			mfd_remove_devices(&pdev->dev);
+			pr_err("prcmu: Failed to add subdevices\n");
+			goto no_irq_return;
+		}
+	}
+
 	err = db8500_prcmu_register_ab8500(&pdev->dev, pdata->ab_platdata,
 					   pdata->ab_irq);
 	if (err) {