[PATCHv2 7/7] ARM: S5PC110: add support for MMC regulators on Goni board
Kukjin Kim
kgene.kim at samsung.com
Tue Sep 28 02:27:49 EDT 2010
Marek Szyprowski wrote:
>
> 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 at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> CC: Mark Brown <broonie at opensource.wolfsonmicro.com>
> ---
> 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 68e22f2..a7fbe08 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/spi/spi.h>
> #include <linux/spi/spi_gpio.h>
> #include <linux/lcd.h>
> @@ -226,6 +227,10 @@ static void __init goni_radio_init(void)
> /* 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",
> @@ -265,6 +270,8 @@ 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 = {
> @@ -556,11 +563,37 @@ 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);
> @@ -572,6 +605,7 @@ static struct platform_device *goni_devices[]
__initdata = {
> &goni_spi_gpio,
> &s3c_device_usb_hsotg,
> &goni_i2c_gpio_pmic,
> + &mmc2_fixed_voltage,
> &goni_device_gpiokeys,
> &s5p_device_fimc0,
> &s5p_device_fimc1,
> --
Ok...will apply with Mark Brown's reviewed-by.
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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