diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2010-09-29 17:05:19 +0400 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2010-10-21 02:54:56 +0400 |
| commit | e9dde6f1d96e782616f423bae8b46a85748d7ef0 (patch) | |
| tree | f1607ba9335c30e487e28759121c9ed2547aa77d /arch/arm | |
| parent | d5889d5d1405b8f0e3f7a552ea899fad08d2d85a (diff) | |
| download | linux-e9dde6f1d96e782616f423bae8b46a85748d7ef0.tar.xz | |
ARM: S5PV210: Add Support for MMC regulators on GONI board
Add required platform definitions for MMC power regulators on Samsung
Goni board. GPIO pin GONI_EXT_FLASH_EN has been transferred from machine
startup code to fixed voltage regulator.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-s5pv210/mach-goni.c | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index e68791855d22..30ad59f6970f 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -16,6 +16,7 @@ #include <linux/i2c.h> #include <linux/i2c-gpio.h> #include <linux/mfd/max8998.h> +#include <linux/regulator/fixed.h> #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/gpio.h> @@ -137,6 +138,10 @@ static struct samsung_keypad_platdata keypad_data __initdata = { /* MAX8998 regulators */ #if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE) +static struct regulator_consumer_supply goni_ldo5_consumers[] = { + REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"), +}; + static struct regulator_init_data goni_ldo2_data = { .constraints = { .name = "VALIVE_1.1V", @@ -176,6 +181,8 @@ static struct regulator_init_data goni_ldo5_data = { .max_uV = 2800000, .apply_uV = 1, }, + .num_consumer_supplies = ARRAY_SIZE(goni_ldo5_consumers), + .consumer_supplies = goni_ldo5_consumers, }; static struct regulator_init_data goni_ldo6_data = { @@ -467,11 +474,37 @@ static struct s3c_sdhci_platdata goni_hsmmc2_data __initdata = { .ext_cd_gpio_invert = 1, }; +static struct regulator_consumer_supply mmc2_supplies[] = { + REGULATOR_SUPPLY("vmmc", "s3c-sdhci.2"), +}; + +static struct regulator_init_data mmc2_fixed_voltage_init_data = { + .constraints = { + .name = "V_TF_2.8V", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(mmc2_supplies), + .consumer_supplies = mmc2_supplies, +}; + +static struct fixed_voltage_config mmc2_fixed_voltage_config = { + .supply_name = "EXT_FLASH_EN", + .microvolts = 2800000, + .gpio = GONI_EXT_FLASH_EN, + .enable_high = true, + .init_data = &mmc2_fixed_voltage_init_data, +}; + +static struct platform_device mmc2_fixed_voltage = { + .name = "reg-fixed-voltage", + .id = 2, + .dev = { + .platform_data = &mmc2_fixed_voltage_config, + }, +}; + static void goni_setup_sdhci(void) { - gpio_request(GONI_EXT_FLASH_EN, "FLASH_EN"); - gpio_direction_output(GONI_EXT_FLASH_EN, 1); - s3c_sdhci0_set_platdata(&goni_hsmmc0_data); s3c_sdhci1_set_platdata(&goni_hsmmc1_data); s3c_sdhci2_set_platdata(&goni_hsmmc2_data); @@ -481,6 +514,7 @@ static struct platform_device *goni_devices[] __initdata = { &s3c_device_fb, &s5p_device_onenand, &goni_i2c_gpio_pmic, + &mmc2_fixed_voltage, &goni_device_gpiokeys, &s5p_device_fimc0, &s5p_device_fimc1, |