[PATCH 17/17] ARM: shmobile: lager: use gpio/fixed regulator for SDHI

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SDHI0/2 Vcc/Vccq can use gpio/fixed regulator driver

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
 arch/arm/mach-shmobile/board-lager.c |   89 +++++++++++++++++++++++++++++-----
 1 file changed, 78 insertions(+), 11 deletions(-)

diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index 2e529dc..7c77521 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -33,7 +33,9 @@
 #include <linux/platform_data/rcar-du.h>
 #include <linux/platform_device.h>
 #include <linux/phy.h>
+#include <linux/regulator/driver.h>
 #include <linux/regulator/fixed.h>
+#include <linux/regulator/gpio-regulator.h>
 #include <linux/regulator/machine.h>
 #include <linux/sh_eth.h>
 #include <mach/common.h>
@@ -154,10 +156,6 @@ static const struct gpio_keys_platform_data lager_keys_pdata __initconst = {
 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
 {
 	REGULATOR_SUPPLY("vmmc", "sh_mmcif.1"),
-	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
-	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
-	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.2"),
-	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.2"),
 };
 
 /* MMCIF */
@@ -185,9 +183,67 @@ static const struct resource ether_resources[] __initconst = {
 	DEFINE_RES_IRQ(gic_spi(162)),
 };
 
+/* SDHI regulator macro */
+#define SDHI_REGULATOR(idx, vdd_pin, vccq_pin)				\
+static struct regulator_consumer_supply vcc_sdhi##idx##_consumer =	\
+	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi." #idx);		\
+									\
+static struct regulator_init_data vcc_sdhi##idx##_init_data = {		\
+	.constraints = {						\
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,		\
+	},								\
+	.consumer_supplies	= &vcc_sdhi##idx##_consumer,		\
+	.num_consumer_supplies	= 1,					\
+};									\
+									\
+static struct fixed_voltage_config vcc_sdhi##idx##_info = {		\
+	.supply_name	= "SDHI" #idx "Vcc",				\
+	.microvolts	= 3300000,					\
+	.gpio		= vdd_pin,					\
+	.enable_high	= 1,						\
+	.init_data	= &vcc_sdhi##idx##_init_data,			\
+};									\
+									\
+static struct regulator_consumer_supply vccq_sdhi##idx##_consumer=	\
+	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi." #idx);		\
+									\
+static struct regulator_init_data vccq_sdhi##idx##_init_data = {	\
+	.constraints = {						\
+		.input_uV	= 3300000,				\
+		.min_uV		= 1800000,				\
+		.max_uV		= 3300000,				\
+		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |		\
+				  REGULATOR_CHANGE_STATUS,		\
+	},								\
+	.consumer_supplies	= &vccq_sdhi##idx##_consumer,		\
+	.num_consumer_supplies	= 1,					\
+};									\
+									\
+static struct gpio vccq_sdhi##idx##_gpio =				\
+	{ vccq_pin, GPIOF_OUT_INIT_HIGH, "vccq-sdhi" #idx };		\
+									\
+static struct gpio_regulator_state vccq_sdhi##idx##_states[] = {	\
+	{ .value = 1800000, .gpios = 0 },				\
+	{ .value = 3300000, .gpios = 1 },				\
+};									\
+									\
+static struct gpio_regulator_config vccq_sdhi##idx##_info = {		\
+	.supply_name	= "vqmmc",					\
+	.gpios		= &vccq_sdhi##idx##_gpio,			\
+	.nr_gpios	= 1,						\
+	.states		= vccq_sdhi##idx##_states,			\
+	.nr_states	= ARRAY_SIZE(vccq_sdhi##idx##_states),		\
+	.type		= REGULATOR_VOLTAGE,				\
+	.init_data	= &vccq_sdhi##idx##_init_data,			\
+};
+
+SDHI_REGULATOR(0, RCAR_GP_PIN(5, 24), RCAR_GP_PIN(5, 29));
+SDHI_REGULATOR(2, RCAR_GP_PIN(5, 25), RCAR_GP_PIN(5, 30));
+
 /* SDHI0 */
 static struct sh_mobile_sdhi_info sdhi0_info __initdata = {
-	.tmio_caps	= MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
+	.tmio_caps	= MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
+			  MMC_CAP_POWER_OFF_CARD,
 	.tmio_caps2	= MMC_CAP2_NO_MULTI_READ,
 	.tmio_flags	= TMIO_MMC_HAS_IDLE_WAIT |
 			  TMIO_MMC_WRPROTECT_DISABLE,
@@ -200,7 +256,8 @@ static struct resource sdhi0_resources[] __initdata = {
 
 /* SDHI2 */
 static struct sh_mobile_sdhi_info sdhi2_info __initdata = {
-	.tmio_caps	= MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
+	.tmio_caps	= MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
+			  MMC_CAP_POWER_OFF_CARD,
 	.tmio_caps2	= MMC_CAP2_NO_MULTI_READ,
 	.tmio_flags	= TMIO_MMC_HAS_IDLE_WAIT |
 			  TMIO_MMC_WRPROTECT_DISABLE,
@@ -259,6 +316,9 @@ static const struct pinctrl_map lager_pinctrl_map[] = {
 
 static void __init lager_add_standard_devices(void)
 {
+	int fixed_regulator_idx = 0;
+	int gpio_regulator_idx = 0;
+
 	r8a7790_clock_init();
 
 	pinctrl_register_mappings(lager_pinctrl_map,
@@ -272,7 +332,8 @@ static void __init lager_add_standard_devices(void)
 	platform_device_register_data(&platform_bus, "gpio-keys", -1,
 				      &lager_keys_pdata,
 				      sizeof(lager_keys_pdata));
-	regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+	regulator_register_always_on(fixed_regulator_idx++,
+				     "fixed-3.3V", fixed3v3_power_consumers,
 				     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
 	platform_device_register_resndata(&platform_bus, "sh_mmcif", 1,
 					  mmcif1_resources, ARRAY_SIZE(mmcif1_resources),
@@ -285,10 +346,16 @@ static void __init lager_add_standard_devices(void)
 
 	lager_add_du_device();
 
-	gpio_request_one(RCAR_GP_PIN(5, 24), GPIOF_OUT_INIT_HIGH, NULL); /* SD0 VDD  3.3V */
-	gpio_request_one(RCAR_GP_PIN(5, 25), GPIOF_OUT_INIT_HIGH, NULL); /* SD2 VDD  3.3V */
-	gpio_request_one(RCAR_GP_PIN(5, 29), GPIOF_OUT_INIT_HIGH, NULL); /* SD0 VccQ 3.3V */
-	gpio_request_one(RCAR_GP_PIN(5, 30), GPIOF_OUT_INIT_HIGH, NULL); /* SD2 VccQ 3.3V */
+	platform_device_register_data(&platform_bus, "reg-fixed-voltage", fixed_regulator_idx++,
+				      &vcc_sdhi0_info, sizeof(struct fixed_voltage_config));
+	platform_device_register_data(&platform_bus, "reg-fixed-voltage", fixed_regulator_idx++,
+				      &vcc_sdhi2_info, sizeof(struct fixed_voltage_config));
+
+	platform_device_register_data(&platform_bus, "gpio-regulator", gpio_regulator_idx++,
+				      &vccq_sdhi0_info, sizeof(struct gpio_regulator_config));
+	platform_device_register_data(&platform_bus, "gpio-regulator", gpio_regulator_idx++,
+				      &vccq_sdhi2_info, sizeof(struct gpio_regulator_config));
+
 	platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 0,
 					  sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
 					  &sdhi0_info, sizeof(struct sh_mobile_sdhi_info));
-- 
1.7.9.5

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