blob: 66f67816a844623977a4595ef23642ed381b3549 [file] [log] [blame]
Magnus Damm78ded162013-03-29 17:00:02 +09001/*
2 * APE6EVM board support
3 *
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Copyright (C) 2013 Magnus Damm
6 *
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.
10 *
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.
Magnus Damm78ded162013-03-29 17:00:02 +090015 */
16
Magnus Damm15351a7a2013-03-29 17:00:21 +090017#include <linux/gpio.h>
Simon Horman5c6db1a2013-07-30 10:59:00 +090018#include <linux/gpio_keys.h>
19#include <linux/input.h>
Magnus Damm78ded162013-03-29 17:00:02 +090020#include <linux/interrupt.h>
Magnus Damm78ded162013-03-29 17:00:02 +090021#include <linux/kernel.h>
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +020022#include <linux/mfd/tmio.h>
Guennadi Liakhovetski87116132013-07-10 10:13:08 +020023#include <linux/mmc/host.h>
24#include <linux/mmc/sh_mmcif.h>
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +020025#include <linux/mmc/sh_mobile_sdhi.h>
Magnus Damm2c560552013-03-29 17:00:12 +090026#include <linux/pinctrl/machine.h>
Magnus Damm78ded162013-03-29 17:00:02 +090027#include <linux/platform_device.h>
Magnus Damm15351a7a2013-03-29 17:00:21 +090028#include <linux/regulator/fixed.h>
29#include <linux/regulator/machine.h>
Kuninori Morimotob8568a02013-04-04 21:24:27 -070030#include <linux/sh_clk.h>
Magnus Damm15351a7a2013-03-29 17:00:21 +090031#include <linux/smsc911x.h>
Geert Uytterhoevenfac49562014-06-20 18:53:02 +020032
Magnus Damm78ded162013-03-29 17:00:02 +090033#include <asm/mach-types.h>
34#include <asm/mach/arch.h>
35
Magnus Dammfd44aa52014-06-17 16:47:37 +090036#include "common.h"
Magnus Dammb6bab122014-06-17 16:47:29 +090037#include "irqs.h"
Geert Uytterhoevenfac49562014-06-20 18:53:02 +020038#include "r8a73a4.h"
Magnus Damm78ded162013-03-29 17:00:02 +090039
Simon Horman9adad782013-07-30 10:59:02 +090040/* LEDS */
41static struct gpio_led ape6evm_leds[] = {
42 {
43 .name = "gnss-en",
44 .gpio = 28,
45 .default_state = LEDS_GPIO_DEFSTATE_OFF,
46 }, {
47 .name = "nfc-nrst",
48 .gpio = 126,
49 .default_state = LEDS_GPIO_DEFSTATE_OFF,
50 }, {
51 .name = "gnss-nrst",
52 .gpio = 132,
53 .default_state = LEDS_GPIO_DEFSTATE_OFF,
54 }, {
55 .name = "bt-wakeup",
56 .gpio = 232,
57 .default_state = LEDS_GPIO_DEFSTATE_OFF,
58 }, {
59 .name = "strobe",
60 .gpio = 250,
61 .default_state = LEDS_GPIO_DEFSTATE_OFF,
62 }, {
63 .name = "bbresetout",
64 .gpio = 288,
65 .default_state = LEDS_GPIO_DEFSTATE_OFF,
66 },
67};
68
69static __initdata struct gpio_led_platform_data ape6evm_leds_pdata = {
70 .leds = ape6evm_leds,
71 .num_leds = ARRAY_SIZE(ape6evm_leds),
72};
73
Simon Horman5c6db1a2013-07-30 10:59:00 +090074/* GPIO KEY */
75#define GPIO_KEY(c, g, d, ...) \
76 { .code = c, .gpio = g, .desc = d, .active_low = 1 }
77
78static 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"),
85};
86
Bartlomiej Zolnierkiewicz40fca032013-09-30 17:34:36 +020087static struct gpio_keys_platform_data ape6evm_keys_pdata __initdata = {
Simon Horman5c6db1a2013-07-30 10:59:00 +090088 .buttons = gpio_buttons,
89 .nbuttons = ARRAY_SIZE(gpio_buttons),
90};
91
Magnus Damm15351a7a2013-03-29 17:00:21 +090092/* Dummy supplies, where voltage doesn't matter */
93static struct regulator_consumer_supply dummy_supplies[] = {
94 REGULATOR_SUPPLY("vddvario", "smsc911x"),
95 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
96};
97
98/* SMSC LAN9220 */
Guennadi Liakhovetski23f17512013-07-31 14:40:14 +020099static const struct resource lan9220_res[] __initconst = {
Magnus Damm15351a7a2013-03-29 17:00:21 +0900100 DEFINE_RES_MEM(0x08000000, 0x1000),
101 {
102 .start = irq_pin(40), /* IRQ40 */
103 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
104 },
105};
106
Guennadi Liakhovetski23f17512013-07-31 14:40:14 +0200107static const struct smsc911x_platform_config lan9220_data __initconst = {
Magnus Damm15351a7a2013-03-29 17:00:21 +0900108 .flags = SMSC911X_USE_32BIT,
109 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
110 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
111};
112
Guennadi Liakhovetski87116132013-07-10 10:13:08 +0200113/*
Guennadi Liakhovetski8b981262013-08-01 09:41:20 +0200114 * 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
Guennadi Liakhovetski87116132013-07-10 10:13:08 +0200118 */
Guennadi Liakhovetski8b981262013-08-01 09:41:20 +0200119static struct regulator_consumer_supply vcc_mmc0_consumers[] =
Guennadi Liakhovetski87116132013-07-10 10:13:08 +0200120{
121 REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
Guennadi Liakhovetski8b981262013-08-01 09:41:20 +0200122};
123
124/*
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
128 * above
129 */
130static struct regulator_consumer_supply vcc_sdhi0_consumers[] =
131{
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +0200132 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
Guennadi Liakhovetski8b981262013-08-01 09:41:20 +0200133};
134
135static struct regulator_init_data vcc_sdhi0_init_data = {
136 .constraints = {
137 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
138 },
139 .num_consumer_supplies = ARRAY_SIZE(vcc_sdhi0_consumers),
140 .consumer_supplies = vcc_sdhi0_consumers,
141};
142
143static const struct fixed_voltage_config vcc_sdhi0_info __initconst = {
144 .supply_name = "SDHI0 Vcc",
145 .microvolts = 3300000,
146 .gpio = 76,
147 .enable_high = 1,
148 .init_data = &vcc_sdhi0_init_data,
149};
150
151/*
152 * SDHI1 power supplies:
153 * Vcc and VccQ to SDHI1 on APE6EVM are both fixed at 3.3V
154 */
155static struct regulator_consumer_supply vcc_sdhi1_consumers[] =
156{
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +0200157 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
Guennadi Liakhovetski87116132013-07-10 10:13:08 +0200158};
159
160/* MMCIF */
Guennadi Liakhovetski23f17512013-07-31 14:40:14 +0200161static const struct sh_mmcif_plat_data mmcif0_pdata __initconst = {
Guennadi Liakhovetski87116132013-07-10 10:13:08 +0200162 .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
Guennadi Liakhovetski7a2a7a32013-07-22 15:16:16 +0200163 .slave_id_tx = SHDMA_SLAVE_MMCIF0_TX,
164 .slave_id_rx = SHDMA_SLAVE_MMCIF0_RX,
Guennadi Liakhovetskia2eeabc2013-07-10 21:21:16 +0200165 .ccs_unsupported = true,
Guennadi Liakhovetski87116132013-07-10 10:13:08 +0200166};
167
Guennadi Liakhovetski23f17512013-07-31 14:40:14 +0200168static const struct resource mmcif0_resources[] __initconst = {
Kuninori Morimoto61a4fd12013-10-07 22:58:08 -0700169 DEFINE_RES_MEM(0xee200000, 0x100),
Guennadi Liakhovetski87116132013-07-10 10:13:08 +0200170 DEFINE_RES_IRQ(gic_spi(169)),
171};
172
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +0200173/* SDHI0 */
Guennadi Liakhovetski23f17512013-07-31 14:40:14 +0200174static const struct sh_mobile_sdhi_info sdhi0_pdata __initconst = {
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +0200175 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
176 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
177};
178
Guennadi Liakhovetski23f17512013-07-31 14:40:14 +0200179static const struct resource sdhi0_resources[] __initconst = {
Kuninori Morimotoe33e6962013-10-07 22:58:20 -0700180 DEFINE_RES_MEM(0xee100000, 0x100),
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +0200181 DEFINE_RES_IRQ(gic_spi(165)),
182};
183
184/* SDHI1 */
Guennadi Liakhovetski23f17512013-07-31 14:40:14 +0200185static const struct sh_mobile_sdhi_info sdhi1_pdata __initconst = {
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +0200186 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
187 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
188 MMC_CAP_NEEDS_POLL,
189};
190
Guennadi Liakhovetski23f17512013-07-31 14:40:14 +0200191static const struct resource sdhi1_resources[] __initconst = {
Kuninori Morimotoe33e6962013-10-07 22:58:20 -0700192 DEFINE_RES_MEM(0xee120000, 0x100),
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +0200193 DEFINE_RES_IRQ(gic_spi(166)),
194};
195
Guennadi Liakhovetski23f17512013-07-31 14:40:14 +0200196static const struct pinctrl_map ape6evm_pinctrl_map[] __initconst = {
Magnus Damm2c560552013-03-29 17:00:12 +0900197 /* SCIFA0 console */
198 PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
199 "scifa0_data", "scifa0"),
Magnus Damm15351a7a2013-03-29 17:00:21 +0900200 /* SMSC */
201 PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4",
202 "irqc_irq40", "irqc"),
Guennadi Liakhovetski87116132013-07-10 10:13:08 +0200203 /* MMCIF0 */
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"),
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +0200208 /* 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"),
215 /* SDHI1 */
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"),
Magnus Damm2c560552013-03-29 17:00:12 +0900220};
221
Magnus Damm78ded162013-03-29 17:00:02 +0900222static void __init ape6evm_add_standard_devices(void)
223{
Kuninori Morimotob8568a02013-04-04 21:24:27 -0700224
225 struct clk *parent;
226 struct clk *mp;
227
Magnus Damm78ded162013-03-29 17:00:02 +0900228 r8a73a4_clock_init();
Kuninori Morimotob8568a02013-04-04 21:24:27 -0700229
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));
234
235 clk_set_parent(mp, parent);
236 clk_put(parent);
237 clk_put(mp);
238
Magnus Damm2c560552013-03-29 17:00:12 +0900239 pinctrl_register_mappings(ape6evm_pinctrl_map,
240 ARRAY_SIZE(ape6evm_pinctrl_map));
241 r8a73a4_pinmux_init();
Magnus Damm78ded162013-03-29 17:00:02 +0900242 r8a73a4_add_standard_devices();
Magnus Damm15351a7a2013-03-29 17:00:21 +0900243
244 /* LAN9220 ethernet */
245 gpio_request_one(270, GPIOF_OUT_INIT_HIGH, NULL); /* smsc9220 RESET */
246
247 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
248
Pawel Molld2168142014-07-23 18:07:18 +0100249 platform_device_register_resndata(NULL, "smsc911x", -1,
Magnus Damm15351a7a2013-03-29 17:00:21 +0900250 lan9220_res, ARRAY_SIZE(lan9220_res),
251 &lan9220_data, sizeof(lan9220_data));
Guennadi Liakhovetski8b981262013-08-01 09:41:20 +0200252
253 regulator_register_always_on(1, "MMC0 Vcc", vcc_mmc0_consumers,
254 ARRAY_SIZE(vcc_mmc0_consumers), 2800000);
Pawel Molld2168142014-07-23 18:07:18 +0100255 platform_device_register_resndata(NULL, "sh_mmcif", 0,
Guennadi Liakhovetski87116132013-07-10 10:13:08 +0200256 mmcif0_resources, ARRAY_SIZE(mmcif0_resources),
257 &mmcif0_pdata, sizeof(mmcif0_pdata));
Pawel Molld2168142014-07-23 18:07:18 +0100258 platform_device_register_data(NULL, "reg-fixed-voltage", 2,
Guennadi Liakhovetski8b981262013-08-01 09:41:20 +0200259 &vcc_sdhi0_info, sizeof(vcc_sdhi0_info));
Pawel Molld2168142014-07-23 18:07:18 +0100260 platform_device_register_resndata(NULL, "sh_mobile_sdhi", 0,
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +0200261 sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
262 &sdhi0_pdata, sizeof(sdhi0_pdata));
Guennadi Liakhovetski8b981262013-08-01 09:41:20 +0200263 regulator_register_always_on(3, "SDHI1 Vcc", vcc_sdhi1_consumers,
264 ARRAY_SIZE(vcc_sdhi1_consumers), 3300000);
Pawel Molld2168142014-07-23 18:07:18 +0100265 platform_device_register_resndata(NULL, "sh_mobile_sdhi", 1,
Guennadi Liakhovetskif79d68d2013-07-08 17:54:42 +0200266 sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
267 &sdhi1_pdata, sizeof(sdhi1_pdata));
Pawel Molld2168142014-07-23 18:07:18 +0100268 platform_device_register_data(NULL, "gpio-keys", -1,
Simon Horman5c6db1a2013-07-30 10:59:00 +0900269 &ape6evm_keys_pdata,
270 sizeof(ape6evm_keys_pdata));
Pawel Molld2168142014-07-23 18:07:18 +0100271 platform_device_register_data(NULL, "leds-gpio", -1,
Simon Horman9adad782013-07-30 10:59:02 +0900272 &ape6evm_leds_pdata,
273 sizeof(ape6evm_leds_pdata));
Magnus Damm78ded162013-03-29 17:00:02 +0900274}
275
276static const char *ape6evm_boards_compat_dt[] __initdata = {
277 "renesas,ape6evm",
278 NULL,
279};
280
281DT_MACHINE_START(APE6EVM_DT, "ape6evm")
Magnus Damm911f7ce2014-07-31 08:45:00 +0900282 .init_early = shmobile_init_delay,
Magnus Damm78ded162013-03-29 17:00:02 +0900283 .init_machine = ape6evm_add_standard_devices,
Magnus Damm509c42a2014-07-31 08:33:17 +0900284 .init_late = shmobile_init_late,
Magnus Damm78ded162013-03-29 17:00:02 +0900285 .dt_compat = ape6evm_boards_compat_dt,
286MACHINE_END