summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-shmobile/board-lager.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-shmobile/board-lager.c')
-rw-r--r--arch/arm/mach-shmobile/board-lager.c153
1 files changed, 150 insertions, 3 deletions
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index e0406fd3739..f20c10a1854 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -31,7 +31,9 @@
#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>
@@ -39,6 +41,11 @@
#include <mach/r8a7790.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/mtd.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/rspi.h>
+#include <linux/spi/spi.h>
/* DU */
static struct rcar_du_encoder_data lager_du_encoders[] = {
@@ -120,7 +127,8 @@ static const struct gpio_led_platform_data lager_leds_pdata __initconst = {
/* GPIO KEY */
#define GPIO_KEY(c, g, d, ...) \
- { .code = c, .gpio = g, .desc = d, .active_low = 1 }
+ { .code = c, .gpio = g, .desc = d, .active_low = 1, \
+ .wakeup = 1, .debounce_interval = 20 }
static struct gpio_keys_button gpio_buttons[] = {
GPIO_KEY(KEY_4, RCAR_GP_PIN(1, 28), "SW2-pin4"),
@@ -140,6 +148,71 @@ static struct regulator_consumer_supply fixed3v3_power_consumers[] =
REGULATOR_SUPPLY("vmmc", "sh_mmcif.1"),
};
+/*
+ * SDHI regulator macro
+ *
+ ** FIXME**
+ * Lager board vqmmc is provided via DA9063 PMIC chip,
+ * and we should use ${LINK}/drivers/mfd/da9063-* driver for it.
+ * but, it doesn't have regulator support at this point.
+ * It uses gpio-regulator for vqmmc as quick-hack.
+ */
+#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(5, 24), RCAR_GP_PIN(5, 29));
+SDHI_REGULATOR(2, RCAR_GP_PIN(5, 25), RCAR_GP_PIN(5, 30));
+
/* MMCIF */
static const struct sh_mmcif_plat_data mmcif1_pdata __initconst = {
.caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
@@ -148,7 +221,7 @@ static const struct sh_mmcif_plat_data mmcif1_pdata __initconst = {
};
static const struct resource mmcif1_resources[] __initconst = {
- DEFINE_RES_MEM_NAMED(0xee220000, 0x80, "MMCIF1"),
+ DEFINE_RES_MEM(0xee220000, 0x80),
DEFINE_RES_IRQ(gic_spi(170)),
};
@@ -165,6 +238,59 @@ static const struct resource ether_resources[] __initconst = {
DEFINE_RES_IRQ(gic_spi(162)),
};
+/* SPI Flash memory (Spansion S25FL512SAGMFIG11 64Mb) */
+static struct mtd_partition spi_flash_part[] = {
+ /* Reserved for user loader program, read-only */
+ {
+ .name = "loader",
+ .offset = 0,
+ .size = SZ_256K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ /* Reserved for user program, read-only */
+ {
+ .name = "user",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_4M,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ /* All else is writable (e.g. JFFS2) */
+ {
+ .name = "flash",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0,
+ },
+};
+
+static struct flash_platform_data spi_flash_data = {
+ .name = "m25p80",
+ .parts = spi_flash_part,
+ .nr_parts = ARRAY_SIZE(spi_flash_part),
+ .type = "s25fl512s",
+};
+
+static const struct rspi_plat_data qspi_pdata __initconst = {
+ .num_chipselect = 1,
+};
+
+static const struct spi_board_info spi_info[] __initconst = {
+ {
+ .modalias = "m25p80",
+ .platform_data = &spi_flash_data,
+ .mode = SPI_MODE_0,
+ .max_speed_hz = 30000000,
+ .bus_num = 0,
+ .chip_select = 0,
+ },
+};
+
+/* QSPI resource */
+static const struct resource qspi_resources[] __initconst = {
+ DEFINE_RES_MEM(0xe6b10000, 0x1000),
+ DEFINE_RES_IRQ(gic_spi(184)),
+};
+
static const struct pinctrl_map lager_pinctrl_map[] = {
/* DU (CN10: ARGB0, CN13: LVDS) */
PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790",
@@ -197,6 +323,9 @@ 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,
@@ -210,7 +339,8 @@ 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),
@@ -222,6 +352,22 @@ static void __init lager_add_standard_devices(void)
&ether_pdata, sizeof(ether_pdata));
lager_add_du_device();
+
+ platform_device_register_resndata(&platform_bus, "qspi", 0,
+ qspi_resources,
+ ARRAY_SIZE(qspi_resources),
+ &qspi_pdata, sizeof(qspi_pdata));
+ spi_register_board_info(spi_info, ARRAY_SIZE(spi_info));
+
+ 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));
}
/*
@@ -260,5 +406,6 @@ DT_MACHINE_START(LAGER_DT, "lager")
.init_early = r8a7790_init_early,
.init_time = rcar_gen2_timer_init,
.init_machine = lager_init,
+ .init_late = shmobile_init_late,
.dt_compat = lager_boards_compat_dt,
MACHINE_END