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-rw-r--r--arch/arm/mach-ux500/board-mop500-regulators.c14
-rw-r--r--arch/arm/mach-ux500/board-mop500-regulators.h1
-rw-r--r--arch/arm/mach-ux500/board-mop500-sdi.c51
-rw-r--r--arch/arm/mach-ux500/board-mop500.c45
-rw-r--r--arch/arm/mach-ux500/cpu-db8500.c1
5 files changed, 61 insertions, 51 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index ff3c9f01659..33c353bc1c4 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -30,6 +30,20 @@ struct regulator_init_data gpio_en_3v3_regulator = {
.consumer_supplies = gpio_en_3v3_consumers,
};
+static struct regulator_consumer_supply sdi0_reg_consumers[] = {
+ REGULATOR_SUPPLY("vqmmc", "sdi0"),
+};
+
+struct regulator_init_data sdi0_reg_init_data = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 2900000,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE|REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(sdi0_reg_consumers),
+ .consumer_supplies = sdi0_reg_consumers,
+};
+
/*
* TPS61052 regulator
*/
diff --git a/arch/arm/mach-ux500/board-mop500-regulators.h b/arch/arm/mach-ux500/board-mop500-regulators.h
index 9bece38fe93..039f5132c37 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.h
+++ b/arch/arm/mach-ux500/board-mop500-regulators.h
@@ -18,6 +18,7 @@ extern struct ab8500_regulator_platform_data ab8500_regulator_plat_data;
extern struct ab8500_regulator_platform_data ab8505_regulator_plat_data;
extern struct regulator_init_data tps61052_regulator;
extern struct regulator_init_data gpio_en_3v3_regulator;
+extern struct regulator_init_data sdi0_reg_init_data;
void mop500_regulator_init(void);
diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c
index 7f2cb6c5e2c..6db0740128d 100644
--- a/arch/arm/mach-ux500/board-mop500-sdi.c
+++ b/arch/arm/mach-ux500/board-mop500-sdi.c
@@ -31,35 +31,6 @@
* SDI 0 (MicroSD slot)
*/
-/* GPIO pins used by the sdi0 level shifter */
-static int sdi0_en = -1;
-static int sdi0_vsel = -1;
-
-static int mop500_sdi0_ios_handler(struct device *dev, struct mmc_ios *ios)
-{
- switch (ios->power_mode) {
- case MMC_POWER_UP:
- case MMC_POWER_ON:
- /*
- * Level shifter voltage should depend on vdd to when deciding
- * on either 1.8V or 2.9V. Once the decision has been made the
- * level shifter must be disabled and re-enabled with a changed
- * select signal in order to switch the voltage. Since there is
- * no framework support yet for indicating 1.8V in vdd, use the
- * default 2.9V.
- */
- gpio_direction_output(sdi0_vsel, 0);
- gpio_direction_output(sdi0_en, 1);
- break;
- case MMC_POWER_OFF:
- gpio_direction_output(sdi0_vsel, 0);
- gpio_direction_output(sdi0_en, 0);
- break;
- }
-
- return 0;
-}
-
#ifdef CONFIG_STE_DMA40
struct stedma40_chan_cfg mop500_sdi0_dma_cfg_rx = {
.mode = STEDMA40_MODE_LOGICAL,
@@ -100,22 +71,6 @@ struct mmci_platform_data mop500_sdi0_data = {
static void sdi0_configure(struct device *parent)
{
- int ret;
-
- ret = gpio_request(sdi0_en, "level shifter enable");
- if (!ret)
- ret = gpio_request(sdi0_vsel,
- "level shifter 1v8-3v select");
-
- if (ret) {
- pr_warning("unable to config sdi0 gpios for level shifter.\n");
- return;
- }
-
- /* Select the default 2.9V and enable level shifter */
- gpio_direction_output(sdi0_vsel, 0);
- gpio_direction_output(sdi0_en, 1);
-
/* Add the device, force v2 to subrevision 1 */
db8500_add_sdi0(parent, &mop500_sdi0_data, U8500_SDI_V2_PERIPHID);
}
@@ -123,8 +78,6 @@ static void sdi0_configure(struct device *parent)
void mop500_sdi_tc35892_init(struct device *parent)
{
mop500_sdi0_data.gpio_cd = GPIO_SDMMC_CD;
- sdi0_en = GPIO_SDMMC_EN;
- sdi0_vsel = GPIO_SDMMC_1V8_3V_SEL;
sdi0_configure(parent);
}
@@ -263,8 +216,6 @@ void __init snowball_sdi_init(struct device *parent)
/* External Micro SD slot */
mop500_sdi0_data.gpio_cd = SNOWBALL_SDMMC_CD_GPIO;
mop500_sdi0_data.cd_invert = true;
- sdi0_en = SNOWBALL_SDMMC_EN_GPIO;
- sdi0_vsel = SNOWBALL_SDMMC_1V8_3V_GPIO;
sdi0_configure(parent);
}
@@ -276,8 +227,6 @@ void __init hrefv60_sdi_init(struct device *parent)
db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
/* External Micro SD slot */
mop500_sdi0_data.gpio_cd = HREFV60_SDMMC_CD_GPIO;
- sdi0_en = HREFV60_SDMMC_EN_GPIO;
- sdi0_vsel = HREFV60_SDMMC_1V8_3V_GPIO;
sdi0_configure(parent);
/* WLAN SDIO channel */
db8500_add_sdi1(parent, &mop500_sdi1_data, U8500_SDI_V2_PERIPHID);
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index ce672378a83..574916b70b2 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -25,6 +25,8 @@
#include <linux/mfd/abx500/ab8500.h>
#include <linux/regulator/ab8500.h>
#include <linux/regulator/fixed.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/gpio-regulator.h>
#include <linux/mfd/tc3589x.h>
#include <linux/mfd/tps6105x.h>
#include <linux/mfd/abx500/ab8500-gpio.h>
@@ -90,6 +92,37 @@ static struct platform_device snowball_gpio_en_3v3_regulator_dev = {
},
};
+/* Dynamically populated. */
+static struct gpio sdi0_reg_gpios[] = {
+ { 0, GPIOF_OUT_INIT_LOW, "mmci_vsel" },
+};
+
+static struct gpio_regulator_state sdi0_reg_states[] = {
+ { .value = 2900000, .gpios = (0 << 0) },
+ { .value = 1800000, .gpios = (1 << 0) },
+};
+
+static struct gpio_regulator_config sdi0_reg_info = {
+ .supply_name = "ext-mmc-level-shifter",
+ .gpios = sdi0_reg_gpios,
+ .nr_gpios = ARRAY_SIZE(sdi0_reg_gpios),
+ .states = sdi0_reg_states,
+ .nr_states = ARRAY_SIZE(sdi0_reg_states),
+ .type = REGULATOR_VOLTAGE,
+ .enable_high = 1,
+ .enabled_at_boot = 0,
+ .init_data = &sdi0_reg_init_data,
+ .startup_delay = 100,
+};
+
+static struct platform_device sdi0_regulator = {
+ .name = "gpio-regulator",
+ .id = -1,
+ .dev = {
+ .platform_data = &sdi0_reg_info,
+ },
+};
+
static struct abx500_gpio_platform_data ab8500_gpio_pdata = {
.gpio_base = MOP500_AB8500_PIN_GPIO(1),
};
@@ -488,6 +521,7 @@ static struct hash_platform_data u8500_hash1_platform_data = {
/* add any platform devices here - TODO */
static struct platform_device *mop500_platform_devs[] __initdata = {
&mop500_gpio_keys_device,
+ &sdi0_regulator,
};
#ifdef CONFIG_STE_DMA40
@@ -631,6 +665,7 @@ static struct platform_device *snowball_platform_devs[] __initdata = {
&snowball_gpio_en_3v3_regulator_dev,
&u8500_thsens_device,
&u8500_cpufreq_cooling_device,
+ &sdi0_regulator,
};
static void __init mop500_init_machine(void)
@@ -642,6 +677,9 @@ static void __init mop500_init_machine(void)
platform_device_register(&db8500_prcmu_device);
mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
+ sdi0_reg_info.enable_gpio = GPIO_SDMMC_EN;
+ sdi0_reg_info.gpios[0].gpio = GPIO_SDMMC_1V8_3V_SEL;
+
mop500_pinmaps_init();
parent = u8500_init_devices(&ab8500_platdata);
@@ -675,6 +713,10 @@ static void __init snowball_init_machine(void)
int i;
platform_device_register(&db8500_prcmu_device);
+
+ sdi0_reg_info.enable_gpio = SNOWBALL_SDMMC_EN_GPIO;
+ sdi0_reg_info.gpios[0].gpio = SNOWBALL_SDMMC_1V8_3V_GPIO;
+
snowball_pinmaps_init();
parent = u8500_init_devices(&ab8500_platdata);
@@ -710,6 +752,9 @@ static void __init hrefv60_init_machine(void)
*/
mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
+ sdi0_reg_info.enable_gpio = HREFV60_SDMMC_EN_GPIO;
+ sdi0_reg_info.gpios[0].gpio = HREFV60_SDMMC_1V8_3V_GPIO;
+
hrefv60_pinmaps_init();
parent = u8500_init_devices(&ab8500_platdata);
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index f1a58184437..5c6c2e63386 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -282,6 +282,7 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("st,nomadik-i2c", 0x8012a000, "nmk-i2c.4", NULL),
OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu",
&db8500_prcmu_pdata),
+ OF_DEV_AUXDATA("smsc,lan9115", 0x50000000, "smsc911x", NULL),
/* Requires device name bindings. */
OF_DEV_AUXDATA("stericsson,nmk-pinctrl", U8500_PRCMU_BASE,
"pinctrl-db8500", NULL),
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 01:30:11 +0000