| /* |
| * 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 <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| |
| #include "common.h" |
| #include "irqs.h" |
| #include "r8a73a4.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(NULL, "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(NULL, "sh_mmcif", 0, |
| mmcif0_resources, ARRAY_SIZE(mmcif0_resources), |
| &mmcif0_pdata, sizeof(mmcif0_pdata)); |
| platform_device_register_data(NULL, "reg-fixed-voltage", 2, |
| &vcc_sdhi0_info, sizeof(vcc_sdhi0_info)); |
| platform_device_register_resndata(NULL, "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(NULL, "sh_mobile_sdhi", 1, |
| sdhi1_resources, ARRAY_SIZE(sdhi1_resources), |
| &sdhi1_pdata, sizeof(sdhi1_pdata)); |
| platform_device_register_data(NULL, "gpio-keys", -1, |
| &ape6evm_keys_pdata, |
| sizeof(ape6evm_keys_pdata)); |
| platform_device_register_data(NULL, "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 = shmobile_init_delay, |
| .init_machine = ape6evm_add_standard_devices, |
| .init_late = shmobile_init_late, |
| .dt_compat = ape6evm_boards_compat_dt, |
| MACHINE_END |