ARM: shmobile: Add SDHI devices for legacy Koelsch

Add SDHI0, SDHI1 and SDHI2 as platform devices to the
legacy Koelsch board code. Also include regulators that
are needed to control VCCQ and VDD.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 155 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-koelsch.c b/arch/arm/mach-shmobile/board-koelsch.c
index d42637db596a..893d47c7d7a6 100644
--- a/arch/arm/mach-shmobile/board-koelsch.c
+++ b/arch/arm/mach-shmobile/board-koelsch.c
@@ -26,6 +26,9 @@
 #include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/leds.h>
+#include <linux/mfd/tmio.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/sh_mobile_sdhi.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/phy.h>
@@ -33,6 +36,10 @@
 #include <linux/platform_data/gpio-rcar.h>
 #include <linux/platform_data/rcar-du.h>
 #include <linux/platform_device.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 <linux/spi/flash.h>
 #include <linux/spi/rspi.h>
@@ -251,6 +258,103 @@ static void __init koelsch_add_i2c(unsigned idx)
 					i2c_resources + res_idx, 2);
 }
 
+#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 const struct fixed_voltage_config vcc_sdhi##idx##_info __initconst = {\
+	.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 const struct gpio_regulator_config vccq_sdhi##idx##_info __initconst = {\
+	.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(7, 17), RCAR_GP_PIN(2, 12));
+SDHI_REGULATOR(1, RCAR_GP_PIN(7, 18), RCAR_GP_PIN(2, 13));
+SDHI_REGULATOR(2, RCAR_GP_PIN(7, 19), RCAR_GP_PIN(2, 26));
+
+/* SDHI0 */
+static struct sh_mobile_sdhi_info sdhi0_info __initdata = {
+	.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,
+};
+
+static struct resource sdhi0_resources[] __initdata = {
+	DEFINE_RES_MEM(0xee100000, 0x200),
+	DEFINE_RES_IRQ(gic_spi(165)),
+};
+
+/* SDHI1 */
+static struct sh_mobile_sdhi_info sdhi1_info __initdata = {
+	.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,
+};
+
+static struct resource sdhi1_resources[] __initdata = {
+	DEFINE_RES_MEM(0xee140000, 0x100),
+	DEFINE_RES_IRQ(gic_spi(167)),
+};
+
+/* SDHI2 */
+static struct sh_mobile_sdhi_info sdhi2_info __initdata = {
+	.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,
+};
+
+static struct resource sdhi2_resources[] __initdata = {
+	DEFINE_RES_MEM(0xee160000, 0x100),
+	DEFINE_RES_IRQ(gic_spi(168)),
+};
+
 static const struct pinctrl_map koelsch_pinctrl_map[] = {
 	/* DU */
 	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
@@ -288,6 +392,31 @@ static const struct pinctrl_map koelsch_pinctrl_map[] = {
 	/* I2C4 */
 	PIN_MAP_MUX_GROUP_DEFAULT("i2c-rcar_gen2.4", "pfc-r8a7791",
 				  "i2c4_c", "i2c4"),
+	/* SDHI0 */
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7791",
+				  "sdhi0_data4", "sdhi0"),
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7791",
+				  "sdhi0_ctrl", "sdhi0"),
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7791",
+				  "sdhi0_cd", "sdhi0"),
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7791",
+				  "sdhi0_wp", "sdhi0"),
+	/* SDHI2 */
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7791",
+				  "sdhi1_data4", "sdhi1"),
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7791",
+				  "sdhi1_ctrl", "sdhi1"),
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7791",
+				  "sdhi1_cd", "sdhi1"),
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7791",
+				  "sdhi1_wp", "sdhi1"),
+	/* SDHI2 */
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-r8a7791",
+				  "sdhi2_data4", "sdhi2"),
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-r8a7791",
+				  "sdhi2_ctrl", "sdhi2"),
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-r8a7791",
+				  "sdhi2_cd", "sdhi2"),
 };
 
 static void __init koelsch_add_standard_devices(void)
@@ -321,6 +450,32 @@ static void __init koelsch_add_standard_devices(void)
 	koelsch_add_i2c(2);
 	koelsch_add_i2c(4);
 	koelsch_add_i2c(5);
+
+	platform_device_register_data(&platform_bus, "reg-fixed-voltage", 0,
+				      &vcc_sdhi0_info, sizeof(struct fixed_voltage_config));
+	platform_device_register_data(&platform_bus, "reg-fixed-voltage", 1,
+				      &vcc_sdhi1_info, sizeof(struct fixed_voltage_config));
+	platform_device_register_data(&platform_bus, "reg-fixed-voltage", 2,
+				      &vcc_sdhi2_info, sizeof(struct fixed_voltage_config));
+	platform_device_register_data(&platform_bus, "gpio-regulator", 0,
+				      &vccq_sdhi0_info, sizeof(struct gpio_regulator_config));
+	platform_device_register_data(&platform_bus, "gpio-regulator", 1,
+				      &vccq_sdhi1_info, sizeof(struct gpio_regulator_config));
+	platform_device_register_data(&platform_bus, "gpio-regulator", 2,
+				      &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));
+
+	platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,
+					  sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
+					  &sdhi1_info, sizeof(struct sh_mobile_sdhi_info));
+
+	platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 2,
+					  sdhi2_resources, ARRAY_SIZE(sdhi2_resources),
+					  &sdhi2_info, sizeof(struct sh_mobile_sdhi_info));
+
 }
 
 /*