SD/MMC driver requires an optional vmmc regulator. Enable this regulator for Origen board.
Signed-off-by: Tushar Behera <[email protected]> --- arch/arm/mach-exynos/mach-origen.c | 36 ++++++++++++++++++++++++++++++++++++ 1 files changed, 36 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c index 5e34b9c..4d290e8 100644 --- a/arch/arm/mach-exynos/mach-origen.c +++ b/arch/arm/mach-exynos/mach-origen.c @@ -20,6 +20,7 @@ #include <linux/gpio_keys.h> #include <linux/i2c.h> #include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/mfd/max8997.h> #include <linux/lcd.h> #include <linux/rfkill-gpio.h> @@ -65,6 +66,10 @@ S5PV210_UFCON_TXTRIG4 | \ S5PV210_UFCON_RXTRIG4) +enum fixed_regulator_id { + FIXED_REG_ID_MMC = 0, +}; + static struct s3c2410_uartcfg origen_uartcfgs[] __initdata = { [0] = { .hwport = 0, @@ -475,6 +480,36 @@ static struct i2c_board_info i2c0_devs[] __initdata = { }, }; +static struct regulator_consumer_supply mmc_supplies[] = { + REGULATOR_SUPPLY("vmmc", "exynos4-sdhci.0"), + REGULATOR_SUPPLY("vmmc", "exynos4-sdhci.2"), +}; + +static struct regulator_init_data mmc_fixed_voltage_init_data = { + .constraints = { + .name = "VMEM_VDD_2.8V", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(mmc_supplies), + .consumer_supplies = mmc_supplies, +}; + +static struct fixed_voltage_config mmc_fixed_voltage_config = { + .supply_name = "MMC_POWER_EN", + .microvolts = 2800000, + .gpio = EXYNOS4_GPX1(1), + .enable_high = true, + .init_data = &mmc_fixed_voltage_init_data, +}; + +static struct platform_device mmc_fixed_voltage = { + .name = "reg-fixed-voltage", + .id = FIXED_REG_ID_MMC, + .dev = { + .platform_data = &mmc_fixed_voltage_config, + }, +}; + static struct s3c_sdhci_platdata origen_hsmmc0_pdata __initdata = { .cd_type = S3C_SDHCI_CD_INTERNAL, }; @@ -690,6 +725,7 @@ static struct platform_device origen_device_bluetooth = { }; static struct platform_device *origen_devices[] __initdata = { + &mmc_fixed_voltage, &s3c_device_hsmmc2, &s3c_device_hsmmc0, &s3c_device_i2c0, -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
