2 * APE6EVM board support
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Copyright (C) 2013 Magnus Damm
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <linux/gpio.h>
22 #include <linux/gpio_keys.h>
23 #include <linux/input.h>
24 #include <linux/interrupt.h>
25 #include <linux/kernel.h>
26 #include <linux/mfd/tmio.h>
27 #include <linux/mmc/host.h>
28 #include <linux/mmc/sh_mmcif.h>
29 #include <linux/mmc/sh_mobile_sdhi.h>
30 #include <linux/pinctrl/machine.h>
31 #include <linux/platform_device.h>
32 #include <linux/regulator/fixed.h>
33 #include <linux/regulator/machine.h>
34 #include <linux/sh_clk.h>
35 #include <linux/smsc911x.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
45 static struct gpio_led ape6evm_leds[] = {
49 .default_state = LEDS_GPIO_DEFSTATE_OFF,
53 .default_state = LEDS_GPIO_DEFSTATE_OFF,
57 .default_state = LEDS_GPIO_DEFSTATE_OFF,
61 .default_state = LEDS_GPIO_DEFSTATE_OFF,
65 .default_state = LEDS_GPIO_DEFSTATE_OFF,
69 .default_state = LEDS_GPIO_DEFSTATE_OFF,
73 static __initdata struct gpio_led_platform_data ape6evm_leds_pdata = {
75 .num_leds = ARRAY_SIZE(ape6evm_leds),
79 #define GPIO_KEY(c, g, d, ...) \
80 { .code = c, .gpio = g, .desc = d, .active_low = 1 }
82 static struct gpio_keys_button gpio_buttons[] = {
83 GPIO_KEY(KEY_0, 324, "S16"),
84 GPIO_KEY(KEY_MENU, 325, "S17"),
85 GPIO_KEY(KEY_HOME, 326, "S18"),
86 GPIO_KEY(KEY_BACK, 327, "S19"),
87 GPIO_KEY(KEY_VOLUMEUP, 328, "S20"),
88 GPIO_KEY(KEY_VOLUMEDOWN, 329, "S21"),
91 static struct gpio_keys_platform_data ape6evm_keys_pdata __initdata = {
92 .buttons = gpio_buttons,
93 .nbuttons = ARRAY_SIZE(gpio_buttons),
96 /* Dummy supplies, where voltage doesn't matter */
97 static struct regulator_consumer_supply dummy_supplies[] = {
98 REGULATOR_SUPPLY("vddvario", "smsc911x"),
99 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
103 static const struct resource lan9220_res[] __initconst = {
104 DEFINE_RES_MEM(0x08000000, 0x1000),
106 .start = irq_pin(40), /* IRQ40 */
107 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
111 static const struct smsc911x_platform_config lan9220_data __initconst = {
112 .flags = SMSC911X_USE_32BIT,
113 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
114 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
118 * MMC0 power supplies:
119 * Both Vcc and VccQ to eMMC on APE6EVM are supplied by a tps80032 voltage
120 * regulator. Until support for it is added to this file we simulate the
121 * Vcc supply by a fixed always-on regulator
123 static struct regulator_consumer_supply vcc_mmc0_consumers[] =
125 REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
129 * SDHI0 power supplies:
130 * Vcc to SDHI0 on APE6EVM is supplied by a GPIO-switchable regulator. VccQ is
131 * provided by the same tps80032 regulator as both MMC0 voltages - see comment
134 static struct regulator_consumer_supply vcc_sdhi0_consumers[] =
136 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
139 static struct regulator_init_data vcc_sdhi0_init_data = {
141 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
143 .num_consumer_supplies = ARRAY_SIZE(vcc_sdhi0_consumers),
144 .consumer_supplies = vcc_sdhi0_consumers,
147 static const struct fixed_voltage_config vcc_sdhi0_info __initconst = {
148 .supply_name = "SDHI0 Vcc",
149 .microvolts = 3300000,
152 .init_data = &vcc_sdhi0_init_data,
156 * SDHI1 power supplies:
157 * Vcc and VccQ to SDHI1 on APE6EVM are both fixed at 3.3V
159 static struct regulator_consumer_supply vcc_sdhi1_consumers[] =
161 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
165 static const struct sh_mmcif_plat_data mmcif0_pdata __initconst = {
166 .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
167 .slave_id_tx = SHDMA_SLAVE_MMCIF0_TX,
168 .slave_id_rx = SHDMA_SLAVE_MMCIF0_RX,
169 .ccs_unsupported = true,
172 static const struct resource mmcif0_resources[] __initconst = {
173 DEFINE_RES_MEM(0xee200000, 0x100),
174 DEFINE_RES_IRQ(gic_spi(169)),
178 static const struct sh_mobile_sdhi_info sdhi0_pdata __initconst = {
179 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
180 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
183 static const struct resource sdhi0_resources[] __initconst = {
184 DEFINE_RES_MEM(0xee100000, 0x100),
185 DEFINE_RES_IRQ(gic_spi(165)),
189 static const struct sh_mobile_sdhi_info sdhi1_pdata __initconst = {
190 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
191 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
195 static const struct resource sdhi1_resources[] __initconst = {
196 DEFINE_RES_MEM(0xee120000, 0x100),
197 DEFINE_RES_IRQ(gic_spi(166)),
200 static const struct pinctrl_map ape6evm_pinctrl_map[] __initconst = {
202 PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
203 "scifa0_data", "scifa0"),
205 PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4",
206 "irqc_irq40", "irqc"),
208 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
209 "mmc0_data8", "mmc0"),
210 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
211 "mmc0_ctrl", "mmc0"),
212 /* SDHI0: uSD: no WP */
213 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
214 "sdhi0_data4", "sdhi0"),
215 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
216 "sdhi0_ctrl", "sdhi0"),
217 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
218 "sdhi0_cd", "sdhi0"),
220 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
221 "sdhi1_data4", "sdhi1"),
222 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
223 "sdhi1_ctrl", "sdhi1"),
226 static void __init ape6evm_add_standard_devices(void)
232 r8a73a4_clock_init();
234 /* MP clock parent = extal2 */
235 parent = clk_get(NULL, "extal2");
236 mp = clk_get(NULL, "mp");
237 BUG_ON(IS_ERR(parent) || IS_ERR(mp));
239 clk_set_parent(mp, parent);
243 pinctrl_register_mappings(ape6evm_pinctrl_map,
244 ARRAY_SIZE(ape6evm_pinctrl_map));
245 r8a73a4_pinmux_init();
246 r8a73a4_add_standard_devices();
248 /* LAN9220 ethernet */
249 gpio_request_one(270, GPIOF_OUT_INIT_HIGH, NULL); /* smsc9220 RESET */
251 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
253 platform_device_register_resndata(&platform_bus, "smsc911x", -1,
254 lan9220_res, ARRAY_SIZE(lan9220_res),
255 &lan9220_data, sizeof(lan9220_data));
257 regulator_register_always_on(1, "MMC0 Vcc", vcc_mmc0_consumers,
258 ARRAY_SIZE(vcc_mmc0_consumers), 2800000);
259 platform_device_register_resndata(&platform_bus, "sh_mmcif", 0,
260 mmcif0_resources, ARRAY_SIZE(mmcif0_resources),
261 &mmcif0_pdata, sizeof(mmcif0_pdata));
262 platform_device_register_data(&platform_bus, "reg-fixed-voltage", 2,
263 &vcc_sdhi0_info, sizeof(vcc_sdhi0_info));
264 platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 0,
265 sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
266 &sdhi0_pdata, sizeof(sdhi0_pdata));
267 regulator_register_always_on(3, "SDHI1 Vcc", vcc_sdhi1_consumers,
268 ARRAY_SIZE(vcc_sdhi1_consumers), 3300000);
269 platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,
270 sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
271 &sdhi1_pdata, sizeof(sdhi1_pdata));
272 platform_device_register_data(&platform_bus, "gpio-keys", -1,
274 sizeof(ape6evm_keys_pdata));
275 platform_device_register_data(&platform_bus, "leds-gpio", -1,
277 sizeof(ape6evm_leds_pdata));
280 static const char *ape6evm_boards_compat_dt[] __initdata = {
285 DT_MACHINE_START(APE6EVM_DT, "ape6evm")
286 .init_early = r8a73a4_init_early,
287 .init_machine = ape6evm_add_standard_devices,
288 .dt_compat = ape6evm_boards_compat_dt,