diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-koelsch.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-koelsch.c | 190 |
1 files changed, 189 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/board-koelsch.c b/arch/arm/mach-shmobile/board-koelsch.c index ace1711a6cd..de7cc64b1f3 100644 --- a/arch/arm/mach-shmobile/board-koelsch.c +++ b/arch/arm/mach-shmobile/board-koelsch.c @@ -19,18 +19,205 @@ * 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/kernel.h> +#include <linux/leds.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 <linux/sh_eth.h> #include <mach/common.h> +#include <mach/irqs.h> #include <mach/r8a7791.h> #include <mach/rcar-gen2.h> #include <asm/mach-types.h> #include <asm/mach/arch.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 = { + .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 = { @@ -41,7 +228,8 @@ 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_time = rcar_gen2_timer_init, + .init_machine = koelsch_init, + .init_late = shmobile_init_late, .dt_compat = koelsch_boards_compat_dt, MACHINE_END |