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.
17 #include <linux/gpio.h>
18 #include <linux/gpio_keys.h>
19 #include <linux/input.h>
20 #include <linux/interrupt.h>
21 #include <linux/kernel.h>
22 #include <linux/mfd/tmio.h>
23 #include <linux/mmc/host.h>
24 #include <linux/mmc/sh_mmcif.h>
25 #include <linux/mmc/sh_mobile_sdhi.h>
26 #include <linux/pinctrl/machine.h>
27 #include <linux/platform_device.h>
28 #include <linux/regulator/fixed.h>
29 #include <linux/regulator/machine.h>
30 #include <linux/sh_clk.h>
31 #include <linux/smsc911x.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
41 static struct gpio_led ape6evm_leds
[] = {
45 .default_state
= LEDS_GPIO_DEFSTATE_OFF
,
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 static __initdata
struct gpio_led_platform_data ape6evm_leds_pdata
= {
71 .num_leds
= ARRAY_SIZE(ape6evm_leds
),
75 #define GPIO_KEY(c, g, d, ...) \
76 { .code = c, .gpio = g, .desc = d, .active_low = 1 }
78 static struct gpio_keys_button gpio_buttons
[] = {
79 GPIO_KEY(KEY_0
, 324, "S16"),
80 GPIO_KEY(KEY_MENU
, 325, "S17"),
81 GPIO_KEY(KEY_HOME
, 326, "S18"),
82 GPIO_KEY(KEY_BACK
, 327, "S19"),
83 GPIO_KEY(KEY_VOLUMEUP
, 328, "S20"),
84 GPIO_KEY(KEY_VOLUMEDOWN
, 329, "S21"),
87 static struct gpio_keys_platform_data ape6evm_keys_pdata __initdata
= {
88 .buttons
= gpio_buttons
,
89 .nbuttons
= ARRAY_SIZE(gpio_buttons
),
92 /* Dummy supplies, where voltage doesn't matter */
93 static struct regulator_consumer_supply dummy_supplies
[] = {
94 REGULATOR_SUPPLY("vddvario", "smsc911x"),
95 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
99 static const struct resource lan9220_res
[] __initconst
= {
100 DEFINE_RES_MEM(0x08000000, 0x1000),
102 .start
= irq_pin(40), /* IRQ40 */
103 .flags
= IORESOURCE_IRQ
| IRQF_TRIGGER_HIGH
,
107 static const struct smsc911x_platform_config lan9220_data __initconst
= {
108 .flags
= SMSC911X_USE_32BIT
,
109 .irq_type
= SMSC911X_IRQ_TYPE_PUSH_PULL
,
110 .irq_polarity
= SMSC911X_IRQ_POLARITY_ACTIVE_HIGH
,
114 * MMC0 power supplies:
115 * Both Vcc and VccQ to eMMC on APE6EVM are supplied by a tps80032 voltage
116 * regulator. Until support for it is added to this file we simulate the
117 * Vcc supply by a fixed always-on regulator
119 static struct regulator_consumer_supply vcc_mmc0_consumers
[] =
121 REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
125 * SDHI0 power supplies:
126 * Vcc to SDHI0 on APE6EVM is supplied by a GPIO-switchable regulator. VccQ is
127 * provided by the same tps80032 regulator as both MMC0 voltages - see comment
130 static struct regulator_consumer_supply vcc_sdhi0_consumers
[] =
132 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
135 static struct regulator_init_data vcc_sdhi0_init_data
= {
137 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
139 .num_consumer_supplies
= ARRAY_SIZE(vcc_sdhi0_consumers
),
140 .consumer_supplies
= vcc_sdhi0_consumers
,
143 static const struct fixed_voltage_config vcc_sdhi0_info __initconst
= {
144 .supply_name
= "SDHI0 Vcc",
145 .microvolts
= 3300000,
148 .init_data
= &vcc_sdhi0_init_data
,
152 * SDHI1 power supplies:
153 * Vcc and VccQ to SDHI1 on APE6EVM are both fixed at 3.3V
155 static struct regulator_consumer_supply vcc_sdhi1_consumers
[] =
157 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
161 static const struct sh_mmcif_plat_data mmcif0_pdata __initconst
= {
162 .caps
= MMC_CAP_8_BIT_DATA
| MMC_CAP_NONREMOVABLE
,
163 .slave_id_tx
= SHDMA_SLAVE_MMCIF0_TX
,
164 .slave_id_rx
= SHDMA_SLAVE_MMCIF0_RX
,
165 .ccs_unsupported
= true,
168 static const struct resource mmcif0_resources
[] __initconst
= {
169 DEFINE_RES_MEM(0xee200000, 0x100),
170 DEFINE_RES_IRQ(gic_spi(169)),
174 static const struct sh_mobile_sdhi_info sdhi0_pdata __initconst
= {
175 .tmio_flags
= TMIO_MMC_HAS_IDLE_WAIT
| TMIO_MMC_WRPROTECT_DISABLE
,
176 .tmio_caps
= MMC_CAP_SD_HIGHSPEED
| MMC_CAP_SDIO_IRQ
,
179 static const struct resource sdhi0_resources
[] __initconst
= {
180 DEFINE_RES_MEM(0xee100000, 0x100),
181 DEFINE_RES_IRQ(gic_spi(165)),
185 static const struct sh_mobile_sdhi_info sdhi1_pdata __initconst
= {
186 .tmio_flags
= TMIO_MMC_HAS_IDLE_WAIT
| TMIO_MMC_WRPROTECT_DISABLE
,
187 .tmio_caps
= MMC_CAP_SD_HIGHSPEED
| MMC_CAP_SDIO_IRQ
|
191 static const struct resource sdhi1_resources
[] __initconst
= {
192 DEFINE_RES_MEM(0xee120000, 0x100),
193 DEFINE_RES_IRQ(gic_spi(166)),
196 static const struct pinctrl_map ape6evm_pinctrl_map
[] __initconst
= {
198 PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
199 "scifa0_data", "scifa0"),
201 PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4",
202 "irqc_irq40", "irqc"),
204 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
205 "mmc0_data8", "mmc0"),
206 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
207 "mmc0_ctrl", "mmc0"),
208 /* SDHI0: uSD: no WP */
209 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
210 "sdhi0_data4", "sdhi0"),
211 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
212 "sdhi0_ctrl", "sdhi0"),
213 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
214 "sdhi0_cd", "sdhi0"),
216 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
217 "sdhi1_data4", "sdhi1"),
218 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
219 "sdhi1_ctrl", "sdhi1"),
222 static void __init
ape6evm_add_standard_devices(void)
228 r8a73a4_clock_init();
230 /* MP clock parent = extal2 */
231 parent
= clk_get(NULL
, "extal2");
232 mp
= clk_get(NULL
, "mp");
233 BUG_ON(IS_ERR(parent
) || IS_ERR(mp
));
235 clk_set_parent(mp
, parent
);
239 pinctrl_register_mappings(ape6evm_pinctrl_map
,
240 ARRAY_SIZE(ape6evm_pinctrl_map
));
241 r8a73a4_pinmux_init();
242 r8a73a4_add_standard_devices();
244 /* LAN9220 ethernet */
245 gpio_request_one(270, GPIOF_OUT_INIT_HIGH
, NULL
); /* smsc9220 RESET */
247 regulator_register_fixed(0, dummy_supplies
, ARRAY_SIZE(dummy_supplies
));
249 platform_device_register_resndata(NULL
, "smsc911x", -1,
250 lan9220_res
, ARRAY_SIZE(lan9220_res
),
251 &lan9220_data
, sizeof(lan9220_data
));
253 regulator_register_always_on(1, "MMC0 Vcc", vcc_mmc0_consumers
,
254 ARRAY_SIZE(vcc_mmc0_consumers
), 2800000);
255 platform_device_register_resndata(NULL
, "sh_mmcif", 0,
256 mmcif0_resources
, ARRAY_SIZE(mmcif0_resources
),
257 &mmcif0_pdata
, sizeof(mmcif0_pdata
));
258 platform_device_register_data(NULL
, "reg-fixed-voltage", 2,
259 &vcc_sdhi0_info
, sizeof(vcc_sdhi0_info
));
260 platform_device_register_resndata(NULL
, "sh_mobile_sdhi", 0,
261 sdhi0_resources
, ARRAY_SIZE(sdhi0_resources
),
262 &sdhi0_pdata
, sizeof(sdhi0_pdata
));
263 regulator_register_always_on(3, "SDHI1 Vcc", vcc_sdhi1_consumers
,
264 ARRAY_SIZE(vcc_sdhi1_consumers
), 3300000);
265 platform_device_register_resndata(NULL
, "sh_mobile_sdhi", 1,
266 sdhi1_resources
, ARRAY_SIZE(sdhi1_resources
),
267 &sdhi1_pdata
, sizeof(sdhi1_pdata
));
268 platform_device_register_data(NULL
, "gpio-keys", -1,
270 sizeof(ape6evm_keys_pdata
));
271 platform_device_register_data(NULL
, "leds-gpio", -1,
273 sizeof(ape6evm_leds_pdata
));
276 static const char *ape6evm_boards_compat_dt
[] __initdata
= {
281 DT_MACHINE_START(APE6EVM_DT
, "ape6evm")
282 .init_early
= shmobile_init_delay
,
283 .init_machine
= ape6evm_add_standard_devices
,
284 .init_late
= shmobile_init_late
,
285 .dt_compat
= ape6evm_boards_compat_dt
,