* Koelsch board support
*
* Copyright (C) 2013 Renesas Electronics Corporation
- * Copyright (C) 2013 Renesas Solutions Corp.
+ * Copyright (C) 2013-2014 Renesas Solutions Corp.
* Copyright (C) 2013 Magnus Damm
+ * Copyright (C) 2014 Cogent Embedded, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#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>
+#include <linux/pinctrl/machine.h>
+#include <linux/platform_data/gpio-rcar.h>
+#include <linux/platform_data/rcar-du.h>
#include <linux/platform_device.h>
-#include <mach/common.h>
-#include <mach/r8a7791.h>
-#include <mach/rcar-gen2.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>
+#include <linux/spi/spi.h>
+
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#include "common.h"
+#include "irqs.h"
+#include "r8a7791.h"
+#include "rcar-gen2.h"
+
+/* DU */
+static struct rcar_du_encoder_data koelsch_du_encoders[] = {
+ {
+ .type = RCAR_DU_ENCODER_NONE,
+ .output = RCAR_DU_OUTPUT_LVDS0,
+ .connector.lvds.panel = {
+ .width_mm = 210,
+ .height_mm = 158,
+ .mode = {
+ .pixelclock = 65000000,
+ .hactive = 1024,
+ .hfront_porch = 20,
+ .hback_porch = 160,
+ .hsync_len = 136,
+ .vactive = 768,
+ .vfront_porch = 3,
+ .vback_porch = 29,
+ .vsync_len = 6,
+ },
+ },
+ },
+};
+
+static const struct rcar_du_platform_data koelsch_du_pdata __initconst = {
+ .encoders = koelsch_du_encoders,
+ .num_encoders = ARRAY_SIZE(koelsch_du_encoders),
+};
+
+static const struct resource du_resources[] __initconst = {
+ DEFINE_RES_MEM(0xfeb00000, 0x40000),
+ DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"),
+ DEFINE_RES_IRQ(gic_spi(256)),
+ DEFINE_RES_IRQ(gic_spi(268)),
+};
+
+static void __init koelsch_add_du_device(void)
+{
+ struct platform_device_info info = {
+ .name = "rcar-du-r8a7791",
+ .id = -1,
+ .res = du_resources,
+ .num_res = ARRAY_SIZE(du_resources),
+ .data = &koelsch_du_pdata,
+ .size_data = sizeof(koelsch_du_pdata),
+ .dma_mask = DMA_BIT_MASK(32),
+ };
+
+ platform_device_register_full(&info);
+}
+
+/* Ether */
+static const struct sh_eth_plat_data ether_pdata __initconst = {
+ .phy = 0x1,
+ .phy_irq = irq_pin(0),
+ .edmac_endian = EDMAC_LITTLE_ENDIAN,
+ .phy_interface = PHY_INTERFACE_MODE_RMII,
+ .ether_link_active_low = 1,
+};
+
+static const struct resource ether_resources[] __initconst = {
+ DEFINE_RES_MEM(0xee700000, 0x400),
+ DEFINE_RES_IRQ(gic_spi(162)),
+};
+
+static const struct platform_device_info ether_info __initconst = {
+ .parent = &platform_bus,
+ .name = "r8a7791-ether",
+ .id = -1,
+ .res = ether_resources,
+ .num_res = ARRAY_SIZE(ether_resources),
+ .data = ðer_pdata,
+ .size_data = sizeof(ether_pdata),
+ .dma_mask = DMA_BIT_MASK(32),
+};
+
+/* LEDS */
+static struct gpio_led koelsch_leds[] = {
+ {
+ .name = "led8",
+ .gpio = RCAR_GP_PIN(2, 21),
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ }, {
+ .name = "led7",
+ .gpio = RCAR_GP_PIN(2, 20),
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ }, {
+ .name = "led6",
+ .gpio = RCAR_GP_PIN(2, 19),
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+};
+
+static const struct gpio_led_platform_data koelsch_leds_pdata __initconst = {
+ .leds = koelsch_leds,
+ .num_leds = ARRAY_SIZE(koelsch_leds),
+};
+
+/* GPIO KEY */
+#define GPIO_KEY(c, g, d, ...) \
+ { .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(5, 3), "SW2-pin4"),
+ GPIO_KEY(KEY_3, RCAR_GP_PIN(5, 2), "SW2-pin3"),
+ GPIO_KEY(KEY_2, RCAR_GP_PIN(5, 1), "SW2-pin2"),
+ GPIO_KEY(KEY_1, RCAR_GP_PIN(5, 0), "SW2-pin1"),
+ GPIO_KEY(KEY_G, RCAR_GP_PIN(7, 6), "SW36"),
+ GPIO_KEY(KEY_F, RCAR_GP_PIN(7, 5), "SW35"),
+ GPIO_KEY(KEY_E, RCAR_GP_PIN(7, 4), "SW34"),
+ GPIO_KEY(KEY_D, RCAR_GP_PIN(7, 3), "SW33"),
+ GPIO_KEY(KEY_C, RCAR_GP_PIN(7, 2), "SW32"),
+ GPIO_KEY(KEY_B, RCAR_GP_PIN(7, 1), "SW31"),
+ GPIO_KEY(KEY_A, RCAR_GP_PIN(7, 0), "SW30"),
+};
+
+static const struct gpio_keys_platform_data koelsch_keys_pdata __initconst = {
+ .buttons = gpio_buttons,
+ .nbuttons = ARRAY_SIZE(gpio_buttons),
+};
+
+/* QSPI */
+static const struct resource qspi_resources[] __initconst = {
+ DEFINE_RES_MEM(0xe6b10000, 0x1000),
+ DEFINE_RES_IRQ_NAMED(gic_spi(184), "mux"),
+};
+
+static const struct rspi_plat_data qspi_pdata __initconst = {
+ .num_chipselect = 1,
+};
+
+/* SPI Flash memory (Spansion S25FL512SAGMFIG11 64 MiB) */
+static struct mtd_partition spi_flash_part[] = {
+ {
+ .name = "loader",
+ .offset = 0x00000000,
+ .size = 512 * 1024,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "bootenv",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 512 * 1024,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "data",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static const 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 spi_board_info spi_info[] __initconst = {
+ {
+ .modalias = "m25p80",
+ .platform_data = &spi_flash_data,
+ .mode = SPI_MODE_0 | SPI_TX_QUAD | SPI_RX_QUAD,
+ .max_speed_hz = 30000000,
+ .bus_num = 0,
+ .chip_select = 0,
+ },
+};
+
+/* SATA0 */
+static const struct resource sata0_resources[] __initconst = {
+ DEFINE_RES_MEM(0xee300000, 0x2000),
+ DEFINE_RES_IRQ(gic_spi(105)),
+};
+
+static const struct platform_device_info sata0_info __initconst = {
+ .parent = &platform_bus,
+ .name = "sata-r8a7791",
+ .id = 0,
+ .res = sata0_resources,
+ .num_res = ARRAY_SIZE(sata0_resources),
+ .dma_mask = DMA_BIT_MASK(32),
+};
+
+/* I2C */
+static const struct resource i2c_resources[] __initconst = {
+ /* I2C0 */
+ DEFINE_RES_MEM(0xE6508000, 0x40),
+ DEFINE_RES_IRQ(gic_spi(287)),
+ /* I2C1 */
+ DEFINE_RES_MEM(0xE6518000, 0x40),
+ DEFINE_RES_IRQ(gic_spi(288)),
+ /* I2C2 */
+ DEFINE_RES_MEM(0xE6530000, 0x40),
+ DEFINE_RES_IRQ(gic_spi(286)),
+ /* I2C3 */
+ DEFINE_RES_MEM(0xE6540000, 0x40),
+ DEFINE_RES_IRQ(gic_spi(290)),
+ /* I2C4 */
+ DEFINE_RES_MEM(0xE6520000, 0x40),
+ DEFINE_RES_IRQ(gic_spi(19)),
+ /* I2C5 */
+ DEFINE_RES_MEM(0xE6528000, 0x40),
+ DEFINE_RES_IRQ(gic_spi(20)),
+};
+
+static void __init koelsch_add_i2c(unsigned idx)
+{
+ unsigned res_idx = idx * 2;
+
+ BUG_ON(res_idx >= ARRAY_SIZE(i2c_resources));
+
+ platform_device_register_simple("i2c-rcar_gen2", 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_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_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_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",
+ "du_rgb666", "du"),
+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
+ "du_sync", "du"),
+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
+ "du_clk_out_0", "du"),
+ /* Ether */
+ PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
+ "eth_link", "eth"),
+ PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
+ "eth_mdio", "eth"),
+ PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
+ "eth_rmii", "eth"),
+ PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
+ "intc_irq0", "intc"),
+ /* QSPI */
+ PIN_MAP_MUX_GROUP_DEFAULT("qspi.0", "pfc-r8a7791",
+ "qspi_ctrl", "qspi"),
+ PIN_MAP_MUX_GROUP_DEFAULT("qspi.0", "pfc-r8a7791",
+ "qspi_data4", "qspi"),
+ /* SCIF0 (CN19: DEBUG SERIAL0) */
+ PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7791",
+ "scif0_data_d", "scif0"),
+ /* SCIF1 (CN20: DEBUG SERIAL1) */
+ PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.7", "pfc-r8a7791",
+ "scif1_data_d", "scif1"),
+ /* I2C1 */
+ PIN_MAP_MUX_GROUP_DEFAULT("i2c-rcar_gen2.1", "pfc-r8a7791",
+ "i2c1_e", "i2c1"),
+ /* I2C2 */
+ PIN_MAP_MUX_GROUP_DEFAULT("i2c-rcar_gen2.2", "pfc-r8a7791",
+ "i2c2", "i2c2"),
+ /* 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)
{
r8a7791_clock_init();
+ pinctrl_register_mappings(koelsch_pinctrl_map,
+ ARRAY_SIZE(koelsch_pinctrl_map));
+ r8a7791_pinmux_init();
r8a7791_add_standard_devices();
+ platform_device_register_full(ðer_info);
+ platform_device_register_data(&platform_bus, "leds-gpio", -1,
+ &koelsch_leds_pdata,
+ sizeof(koelsch_leds_pdata));
+ platform_device_register_data(&platform_bus, "gpio-keys", -1,
+ &koelsch_keys_pdata,
+ sizeof(koelsch_keys_pdata));
+ 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));
+
+ koelsch_add_du_device();
+
+ platform_device_register_full(&sata0_info);
+
+ koelsch_add_i2c(1);
+ 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));
+
+}
+
+/*
+ * Ether LEDs on the Koelsch board are named LINK and ACTIVE which corresponds
+ * to non-default 01 setting of the Micrel KSZ8041 PHY control register 1 bits
+ * 14-15. We have to set them back to 01 from the default 00 value each time
+ * the PHY is reset. It's also important because the PHY's LED0 signal is
+ * connected to SoC's ETH_LINK signal and in the PHY's default mode it will
+ * bounce on and off after each packet, which we apparently want to avoid.
+ */
+static int koelsch_ksz8041_fixup(struct phy_device *phydev)
+{
+ u16 phyctrl1 = phy_read(phydev, 0x1e);
+
+ phyctrl1 &= ~0xc000;
+ phyctrl1 |= 0x4000;
+ return phy_write(phydev, 0x1e, phyctrl1);
+}
+
+static void __init koelsch_init(void)
+{
+ koelsch_add_standard_devices();
+
+ irq_set_irq_type(irq_pin(0), IRQ_TYPE_LEVEL_LOW);
+
+ if (IS_ENABLED(CONFIG_PHYLIB))
+ phy_register_fixup_for_id("r8a7791-ether-ff:01",
+ koelsch_ksz8041_fixup);
}
static const char * const koelsch_boards_compat_dt[] __initconst = {
DT_MACHINE_START(KOELSCH_DT, "koelsch")
.smp = smp_ops(r8a7791_smp_ops),
- .init_early = r8a7791_init_early,
- .init_machine = koelsch_add_standard_devices,
+ .init_early = shmobile_init_delay,
.init_time = rcar_gen2_timer_init,
+ .init_machine = koelsch_init,
+ .init_late = shmobile_init_late,
+ .reserve = rcar_gen2_reserve,
.dt_compat = koelsch_boards_compat_dt,
MACHINE_END
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff