3 files changed, 60 insertions, 0 deletions

diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index 2a17bc506cff..cb7540573a85 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -28,6 +28,20 @@ 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 78a0642a2206..0c79d902f904 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.h
+++ b/arch/arm/mach-ux500/board-mop500-regulators.h
@@ -19,5 +19,6 @@ ab8500_regulator_reg_init[AB8500_NUM_REGULATOR_REGISTERS];
 extern struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS];
 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;
 
 #endif
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index b03457881c4b..cd100d569f4d 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -24,6 +24,8 @@
 #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>
@@ -89,6 +91,37 @@ 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),
 };
@@ -481,6 +514,7 @@ 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
@@ -624,6 +658,7 @@ 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)
@@ -635,6 +670,9 @@ 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);
 
@@ -668,6 +706,10 @@ 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);
 
@@ -701,6 +743,9 @@ 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);