/* * Lager board support * * Copyright (C) 2013 Renesas Solutions Corp. * Copyright (C) 2013 Magnus Damm * * 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 * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* DU */ static struct rcar_du_encoder_data lager_du_encoders[] = { { .type = RCAR_DU_ENCODER_VGA, .output = RCAR_DU_OUTPUT_DPAD0, }, { .type = RCAR_DU_ENCODER_NONE, .output = RCAR_DU_OUTPUT_LVDS1, .connector.lvds.panel = { .width_mm = 210, .height_mm = 158, .mode = { .clock = 65000, .hdisplay = 1024, .hsync_start = 1048, .hsync_end = 1184, .htotal = 1344, .vdisplay = 768, .vsync_start = 771, .vsync_end = 777, .vtotal = 806, .flags = 0, }, }, }, }; static const struct rcar_du_platform_data lager_du_pdata __initconst = { .encoders = lager_du_encoders, .num_encoders = ARRAY_SIZE(lager_du_encoders), }; static const struct resource du_resources[] __initconst = { DEFINE_RES_MEM(0xfeb00000, 0x70000), DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"), DEFINE_RES_MEM_NAMED(0xfeb94000, 0x1c, "lvds.1"), DEFINE_RES_IRQ(gic_spi(256)), DEFINE_RES_IRQ(gic_spi(268)), DEFINE_RES_IRQ(gic_spi(269)), }; static void __init lager_add_du_device(void) { struct platform_device_info info = { .name = "rcar-du-r8a7790", .id = -1, .res = du_resources, .num_res = ARRAY_SIZE(du_resources), .data = &lager_du_pdata, .size_data = sizeof(lager_du_pdata), .dma_mask = DMA_BIT_MASK(32), }; platform_device_register_full(&info); } /* LEDS */ static struct gpio_led lager_leds[] = { { .name = "led8", .gpio = RCAR_GP_PIN(5, 17), .default_state = LEDS_GPIO_DEFSTATE_ON, }, { .name = "led7", .gpio = RCAR_GP_PIN(4, 23), .default_state = LEDS_GPIO_DEFSTATE_ON, }, { .name = "led6", .gpio = RCAR_GP_PIN(4, 22), .default_state = LEDS_GPIO_DEFSTATE_ON, }, }; static const struct gpio_led_platform_data lager_leds_pdata __initconst = { .leds = lager_leds, .num_leds = ARRAY_SIZE(lager_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(1, 28), "SW2-pin4"), GPIO_KEY(KEY_3, RCAR_GP_PIN(1, 26), "SW2-pin3"), GPIO_KEY(KEY_2, RCAR_GP_PIN(1, 24), "SW2-pin2"), GPIO_KEY(KEY_1, RCAR_GP_PIN(1, 14), "SW2-pin1"), }; static const struct gpio_keys_platform_data lager_keys_pdata __initconst = { .buttons = gpio_buttons, .nbuttons = ARRAY_SIZE(gpio_buttons), }; /* Fixed 3.3V regulator to be used by MMCIF */ 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, .clk_ctrl2_present = true, .ccs_unsupported = true, }; static const struct resource mmcif1_resources[] __initconst = { DEFINE_RES_MEM(0xee220000, 0x80), DEFINE_RES_IRQ(gic_spi(170)), }; /* Ether */ static const struct sh_eth_plat_data ether_pdata __initconst = { .phy = 0x1, .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)), }; /* 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", "du_rgb666", "du"), PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790", "du_sync_1", "du"), PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790", "du_clk_out_0", "du"), /* SCIF0 (CN19: DEBUG SERIAL0) */ PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790", "scif0_data", "scif0"), /* SCIF1 (CN20: DEBUG SERIAL1) */ PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.7", "pfc-r8a7790", "scif1_data", "scif1"), /* MMCIF1 */ PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.1", "pfc-r8a7790", "mmc1_data8", "mmc1"), PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.1", "pfc-r8a7790", "mmc1_ctrl", "mmc1"), /* Ether */ PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790", "eth_link", "eth"), PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790", "eth_mdio", "eth"), PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790", "eth_rmii", "eth"), PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790", "intc_irq0", "intc"), }; 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, ARRAY_SIZE(lager_pinctrl_map)); r8a7790_pinmux_init(); r8a7790_add_standard_devices(); platform_device_register_data(&platform_bus, "leds-gpio", -1, &lager_leds_pdata, sizeof(lager_leds_pdata)); platform_device_register_data(&platform_bus, "gpio-keys", -1, &lager_keys_pdata, sizeof(lager_keys_pdata)); 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), &mmcif1_pdata, sizeof(mmcif1_pdata)); platform_device_register_resndata(&platform_bus, "r8a7790-ether", -1, ether_resources, ARRAY_SIZE(ether_resources), ðer_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)); } /* * Ether LEDs on the Lager 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 lager_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 lager_init(void) { lager_add_standard_devices(); phy_register_fixup_for_id("r8a7790-ether-ff:01", lager_ksz8041_fixup); } static const char * const lager_boards_compat_dt[] __initconst = { "renesas,lager", NULL, }; DT_MACHINE_START(LAGER_DT, "lager") .smp = smp_ops(r8a7790_smp_ops), .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