diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-ape6evm.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-ape6evm.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c new file mode 100644 index 00000000000..fe071a9130b --- /dev/null +++ b/arch/arm/mach-shmobile/board-ape6evm.c @@ -0,0 +1,287 @@ +/* + * APE6EVM 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 <linux/gpio.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/mfd/tmio.h> +#include <linux/mmc/host.h> +#include <linux/mmc/sh_mmcif.h> +#include <linux/mmc/sh_mobile_sdhi.h> +#include <linux/pinctrl/machine.h> +#include <linux/platform_device.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> +#include <linux/sh_clk.h> +#include <linux/smsc911x.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/r8a73a4.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +/* LEDS */ +static struct gpio_led ape6evm_leds[] = { + { + .name = "gnss-en", + .gpio = 28, + .default_state = LEDS_GPIO_DEFSTATE_OFF, + }, { + .name = "nfc-nrst", + .gpio = 126, + .default_state = LEDS_GPIO_DEFSTATE_OFF, + }, { + .name = "gnss-nrst", + .gpio = 132, + .default_state = LEDS_GPIO_DEFSTATE_OFF, + }, { + .name = "bt-wakeup", + .gpio = 232, + .default_state = LEDS_GPIO_DEFSTATE_OFF, + }, { + .name = "strobe", + .gpio = 250, + .default_state = LEDS_GPIO_DEFSTATE_OFF, + }, { + .name = "bbresetout", + .gpio = 288, + .default_state = LEDS_GPIO_DEFSTATE_OFF, + }, +}; + +static __initdata struct gpio_led_platform_data ape6evm_leds_pdata = { + .leds = ape6evm_leds, + .num_leds = ARRAY_SIZE(ape6evm_leds), +}; + +/* GPIO KEY */ +#define GPIO_KEY(c, g, d, ...) \ + { .code = c, .gpio = g, .desc = d, .active_low = 1 } + +static struct gpio_keys_button gpio_buttons[] = { + GPIO_KEY(KEY_0, 324, "S16"), + GPIO_KEY(KEY_MENU, 325, "S17"), + GPIO_KEY(KEY_HOME, 326, "S18"), + GPIO_KEY(KEY_BACK, 327, "S19"), + GPIO_KEY(KEY_VOLUMEUP, 328, "S20"), + GPIO_KEY(KEY_VOLUMEDOWN, 329, "S21"), +}; + +static struct gpio_keys_platform_data ape6evm_keys_pdata __initdata = { + .buttons = gpio_buttons, + .nbuttons = ARRAY_SIZE(gpio_buttons), +}; + +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + +/* SMSC LAN9220 */ +static const struct resource lan9220_res[] __initconst = { + DEFINE_RES_MEM(0x08000000, 0x1000), + { + .start = irq_pin(40), /* IRQ40 */ + .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH, + }, +}; + +static const struct smsc911x_platform_config lan9220_data __initconst = { + .flags = SMSC911X_USE_32BIT, + .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH, +}; + +/* + * MMC0 power supplies: + * Both Vcc and VccQ to eMMC on APE6EVM are supplied by a tps80032 voltage + * regulator. Until support for it is added to this file we simulate the + * Vcc supply by a fixed always-on regulator + */ +static struct regulator_consumer_supply vcc_mmc0_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"), +}; + +/* + * SDHI0 power supplies: + * Vcc to SDHI0 on APE6EVM is supplied by a GPIO-switchable regulator. VccQ is + * provided by the same tps80032 regulator as both MMC0 voltages - see comment + * above + */ +static struct regulator_consumer_supply vcc_sdhi0_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), +}; + +static struct regulator_init_data vcc_sdhi0_init_data = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(vcc_sdhi0_consumers), + .consumer_supplies = vcc_sdhi0_consumers, +}; + +static const struct fixed_voltage_config vcc_sdhi0_info __initconst = { + .supply_name = "SDHI0 Vcc", + .microvolts = 3300000, + .gpio = 76, + .enable_high = 1, + .init_data = &vcc_sdhi0_init_data, +}; + +/* + * SDHI1 power supplies: + * Vcc and VccQ to SDHI1 on APE6EVM are both fixed at 3.3V + */ +static struct regulator_consumer_supply vcc_sdhi1_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), +}; + +/* MMCIF */ +static const struct sh_mmcif_plat_data mmcif0_pdata __initconst = { + .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, + .slave_id_tx = SHDMA_SLAVE_MMCIF0_TX, + .slave_id_rx = SHDMA_SLAVE_MMCIF0_RX, + .ccs_unsupported = true, +}; + +static const struct resource mmcif0_resources[] __initconst = { + DEFINE_RES_MEM(0xee200000, 0x100), + DEFINE_RES_IRQ(gic_spi(169)), +}; + +/* SDHI0 */ +static const struct sh_mobile_sdhi_info sdhi0_pdata __initconst = { + .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE, + .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ, +}; + +static const struct resource sdhi0_resources[] __initconst = { + DEFINE_RES_MEM(0xee100000, 0x100), + DEFINE_RES_IRQ(gic_spi(165)), +}; + +/* SDHI1 */ +static const struct sh_mobile_sdhi_info sdhi1_pdata __initconst = { + .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE, + .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ | + MMC_CAP_NEEDS_POLL, +}; + +static const struct resource sdhi1_resources[] __initconst = { + DEFINE_RES_MEM(0xee120000, 0x100), + DEFINE_RES_IRQ(gic_spi(166)), +}; + +static const struct pinctrl_map ape6evm_pinctrl_map[] __initconst = { + /* SCIFA0 console */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4", + "scifa0_data", "scifa0"), + /* SMSC */ + PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4", + "irqc_irq40", "irqc"), + /* MMCIF0 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4", + "mmc0_data8", "mmc0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4", + "mmc0_ctrl", "mmc0"), + /* SDHI0: uSD: no WP */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4", + "sdhi0_data4", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4", + "sdhi0_ctrl", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4", + "sdhi0_cd", "sdhi0"), + /* SDHI1 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4", + "sdhi1_data4", "sdhi1"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4", + "sdhi1_ctrl", "sdhi1"), +}; + +static void __init ape6evm_add_standard_devices(void) +{ + + struct clk *parent; + struct clk *mp; + + r8a73a4_clock_init(); + + /* MP clock parent = extal2 */ + parent = clk_get(NULL, "extal2"); + mp = clk_get(NULL, "mp"); + BUG_ON(IS_ERR(parent) || IS_ERR(mp)); + + clk_set_parent(mp, parent); + clk_put(parent); + clk_put(mp); + + pinctrl_register_mappings(ape6evm_pinctrl_map, + ARRAY_SIZE(ape6evm_pinctrl_map)); + r8a73a4_pinmux_init(); + r8a73a4_add_standard_devices(); + + /* LAN9220 ethernet */ + gpio_request_one(270, GPIOF_OUT_INIT_HIGH, NULL); /* smsc9220 RESET */ + + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + + platform_device_register_resndata(&platform_bus, "smsc911x", -1, + lan9220_res, ARRAY_SIZE(lan9220_res), + &lan9220_data, sizeof(lan9220_data)); + + regulator_register_always_on(1, "MMC0 Vcc", vcc_mmc0_consumers, + ARRAY_SIZE(vcc_mmc0_consumers), 2800000); + platform_device_register_resndata(&platform_bus, "sh_mmcif", 0, + mmcif0_resources, ARRAY_SIZE(mmcif0_resources), + &mmcif0_pdata, sizeof(mmcif0_pdata)); + platform_device_register_data(&platform_bus, "reg-fixed-voltage", 2, + &vcc_sdhi0_info, sizeof(vcc_sdhi0_info)); + platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 0, + sdhi0_resources, ARRAY_SIZE(sdhi0_resources), + &sdhi0_pdata, sizeof(sdhi0_pdata)); + regulator_register_always_on(3, "SDHI1 Vcc", vcc_sdhi1_consumers, + ARRAY_SIZE(vcc_sdhi1_consumers), 3300000); + platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1, + sdhi1_resources, ARRAY_SIZE(sdhi1_resources), + &sdhi1_pdata, sizeof(sdhi1_pdata)); + platform_device_register_data(&platform_bus, "gpio-keys", -1, + &ape6evm_keys_pdata, + sizeof(ape6evm_keys_pdata)); + platform_device_register_data(&platform_bus, "leds-gpio", -1, + &ape6evm_leds_pdata, + sizeof(ape6evm_leds_pdata)); +} + +static const char *ape6evm_boards_compat_dt[] __initdata = { + "renesas,ape6evm", + NULL, +}; + +DT_MACHINE_START(APE6EVM_DT, "ape6evm") + .init_early = r8a73a4_init_early, + .init_machine = ape6evm_add_standard_devices, + .dt_compat = ape6evm_boards_compat_dt, +MACHINE_END |