/* * Koelsch board support * * Copyright (C) 2013 Renesas Electronics Corporation * 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 /* 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 = { .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 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, .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)), }; /* 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), }; 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"), /* 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"), }; 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_resndata(&platform_bus, "r8a7791-ether", -1, ether_resources, ARRAY_SIZE(ether_resources), ðer_pdata, sizeof(ether_pdata)); 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)); koelsch_add_du_device(); } /* * 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(); 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 = { "renesas,koelsch", NULL, }; DT_MACHINE_START(KOELSCH_DT, "koelsch") .smp = smp_ops(r8a7791_smp_ops), .init_early = r8a7791_init_early, .init_time = rcar_gen2_timer_init, .init_machine = koelsch_init, .init_late = shmobile_init_late, .dt_compat = koelsch_boards_compat_dt, MACHINE_END