Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-block.git] / arch / arm / mach-shmobile / board-ape6evm.c
CommitLineData
78ded168
MD
1/*
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.
15 *
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
19 */
20
15351a7a 21#include <linux/gpio.h>
5c6db1a4
SH
22#include <linux/gpio_keys.h>
23#include <linux/input.h>
78ded168 24#include <linux/interrupt.h>
78ded168 25#include <linux/kernel.h>
f79d68da 26#include <linux/mfd/tmio.h>
87116132
GL
27#include <linux/mmc/host.h>
28#include <linux/mmc/sh_mmcif.h>
f79d68da 29#include <linux/mmc/sh_mobile_sdhi.h>
2c56055c 30#include <linux/pinctrl/machine.h>
78ded168 31#include <linux/platform_device.h>
15351a7a
MD
32#include <linux/regulator/fixed.h>
33#include <linux/regulator/machine.h>
b8568a04 34#include <linux/sh_clk.h>
15351a7a 35#include <linux/smsc911x.h>
fac49568 36
78ded168
MD
37#include <asm/mach-types.h>
38#include <asm/mach/arch.h>
39
fd44aa5e 40#include "common.h"
b6bab126 41#include "irqs.h"
fac49568 42#include "r8a73a4.h"
78ded168 43
9adad788
SH
44/* LEDS */
45static struct gpio_led ape6evm_leds[] = {
46 {
47 .name = "gnss-en",
48 .gpio = 28,
49 .default_state = LEDS_GPIO_DEFSTATE_OFF,
50 }, {
51 .name = "nfc-nrst",
52 .gpio = 126,
53 .default_state = LEDS_GPIO_DEFSTATE_OFF,
54 }, {
55 .name = "gnss-nrst",
56 .gpio = 132,
57 .default_state = LEDS_GPIO_DEFSTATE_OFF,
58 }, {
59 .name = "bt-wakeup",
60 .gpio = 232,
61 .default_state = LEDS_GPIO_DEFSTATE_OFF,
62 }, {
63 .name = "strobe",
64 .gpio = 250,
65 .default_state = LEDS_GPIO_DEFSTATE_OFF,
66 }, {
67 .name = "bbresetout",
68 .gpio = 288,
69 .default_state = LEDS_GPIO_DEFSTATE_OFF,
70 },
71};
72
73static __initdata struct gpio_led_platform_data ape6evm_leds_pdata = {
74 .leds = ape6evm_leds,
75 .num_leds = ARRAY_SIZE(ape6evm_leds),
76};
77
5c6db1a4
SH
78/* GPIO KEY */
79#define GPIO_KEY(c, g, d, ...) \
80 { .code = c, .gpio = g, .desc = d, .active_low = 1 }
81
82static 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"),
89};
90
40fca03c 91static struct gpio_keys_platform_data ape6evm_keys_pdata __initdata = {
5c6db1a4
SH
92 .buttons = gpio_buttons,
93 .nbuttons = ARRAY_SIZE(gpio_buttons),
94};
95
15351a7a
MD
96/* Dummy supplies, where voltage doesn't matter */
97static struct regulator_consumer_supply dummy_supplies[] = {
98 REGULATOR_SUPPLY("vddvario", "smsc911x"),
99 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
100};
101
102/* SMSC LAN9220 */
23f1751c 103static const struct resource lan9220_res[] __initconst = {
15351a7a
MD
104 DEFINE_RES_MEM(0x08000000, 0x1000),
105 {
106 .start = irq_pin(40), /* IRQ40 */
107 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
108 },
109};
110
23f1751c 111static const struct smsc911x_platform_config lan9220_data __initconst = {
15351a7a
MD
112 .flags = SMSC911X_USE_32BIT,
113 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
114 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
115};
116
87116132 117/*
8b98126d
GL
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
87116132 122 */
8b98126d 123static struct regulator_consumer_supply vcc_mmc0_consumers[] =
87116132
GL
124{
125 REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
8b98126d
GL
126};
127
128/*
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
132 * above
133 */
134static struct regulator_consumer_supply vcc_sdhi0_consumers[] =
135{
f79d68da 136 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
8b98126d
GL
137};
138
139static struct regulator_init_data vcc_sdhi0_init_data = {
140 .constraints = {
141 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
142 },
143 .num_consumer_supplies = ARRAY_SIZE(vcc_sdhi0_consumers),
144 .consumer_supplies = vcc_sdhi0_consumers,
145};
146
147static const struct fixed_voltage_config vcc_sdhi0_info __initconst = {
148 .supply_name = "SDHI0 Vcc",
149 .microvolts = 3300000,
150 .gpio = 76,
151 .enable_high = 1,
152 .init_data = &vcc_sdhi0_init_data,
153};
154
155/*
156 * SDHI1 power supplies:
157 * Vcc and VccQ to SDHI1 on APE6EVM are both fixed at 3.3V
158 */
159static struct regulator_consumer_supply vcc_sdhi1_consumers[] =
160{
f79d68da 161 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
87116132
GL
162};
163
164/* MMCIF */
23f1751c 165static const struct sh_mmcif_plat_data mmcif0_pdata __initconst = {
87116132 166 .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
7a2a7a37
GL
167 .slave_id_tx = SHDMA_SLAVE_MMCIF0_TX,
168 .slave_id_rx = SHDMA_SLAVE_MMCIF0_RX,
a2eeabcc 169 .ccs_unsupported = true,
87116132
GL
170};
171
23f1751c 172static const struct resource mmcif0_resources[] __initconst = {
61a4fd12 173 DEFINE_RES_MEM(0xee200000, 0x100),
87116132
GL
174 DEFINE_RES_IRQ(gic_spi(169)),
175};
176
f79d68da 177/* SDHI0 */
23f1751c 178static const struct sh_mobile_sdhi_info sdhi0_pdata __initconst = {
f79d68da
GL
179 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
180 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
181};
182
23f1751c 183static const struct resource sdhi0_resources[] __initconst = {
e33e6968 184 DEFINE_RES_MEM(0xee100000, 0x100),
f79d68da
GL
185 DEFINE_RES_IRQ(gic_spi(165)),
186};
187
188/* SDHI1 */
23f1751c 189static const struct sh_mobile_sdhi_info sdhi1_pdata __initconst = {
f79d68da
GL
190 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
191 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
192 MMC_CAP_NEEDS_POLL,
193};
194
23f1751c 195static const struct resource sdhi1_resources[] __initconst = {
e33e6968 196 DEFINE_RES_MEM(0xee120000, 0x100),
f79d68da
GL
197 DEFINE_RES_IRQ(gic_spi(166)),
198};
199
23f1751c 200static const struct pinctrl_map ape6evm_pinctrl_map[] __initconst = {
2c56055c
MD
201 /* SCIFA0 console */
202 PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
203 "scifa0_data", "scifa0"),
15351a7a
MD
204 /* SMSC */
205 PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4",
206 "irqc_irq40", "irqc"),
87116132
GL
207 /* MMCIF0 */
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"),
f79d68da
GL
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"),
219 /* SDHI1 */
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"),
2c56055c
MD
224};
225
78ded168
MD
226static void __init ape6evm_add_standard_devices(void)
227{
b8568a04
KM
228
229 struct clk *parent;
230 struct clk *mp;
231
78ded168 232 r8a73a4_clock_init();
b8568a04
KM
233
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));
238
239 clk_set_parent(mp, parent);
240 clk_put(parent);
241 clk_put(mp);
242
2c56055c
MD
243 pinctrl_register_mappings(ape6evm_pinctrl_map,
244 ARRAY_SIZE(ape6evm_pinctrl_map));
245 r8a73a4_pinmux_init();
78ded168 246 r8a73a4_add_standard_devices();
15351a7a
MD
247
248 /* LAN9220 ethernet */
249 gpio_request_one(270, GPIOF_OUT_INIT_HIGH, NULL); /* smsc9220 RESET */
250
251 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
252
d2168146 253 platform_device_register_resndata(NULL, "smsc911x", -1,
15351a7a
MD
254 lan9220_res, ARRAY_SIZE(lan9220_res),
255 &lan9220_data, sizeof(lan9220_data));
8b98126d
GL
256
257 regulator_register_always_on(1, "MMC0 Vcc", vcc_mmc0_consumers,
258 ARRAY_SIZE(vcc_mmc0_consumers), 2800000);
d2168146 259 platform_device_register_resndata(NULL, "sh_mmcif", 0,
87116132
GL
260 mmcif0_resources, ARRAY_SIZE(mmcif0_resources),
261 &mmcif0_pdata, sizeof(mmcif0_pdata));
d2168146 262 platform_device_register_data(NULL, "reg-fixed-voltage", 2,
8b98126d 263 &vcc_sdhi0_info, sizeof(vcc_sdhi0_info));
d2168146 264 platform_device_register_resndata(NULL, "sh_mobile_sdhi", 0,
f79d68da
GL
265 sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
266 &sdhi0_pdata, sizeof(sdhi0_pdata));
8b98126d
GL
267 regulator_register_always_on(3, "SDHI1 Vcc", vcc_sdhi1_consumers,
268 ARRAY_SIZE(vcc_sdhi1_consumers), 3300000);
d2168146 269 platform_device_register_resndata(NULL, "sh_mobile_sdhi", 1,
f79d68da
GL
270 sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
271 &sdhi1_pdata, sizeof(sdhi1_pdata));
d2168146 272 platform_device_register_data(NULL, "gpio-keys", -1,
5c6db1a4
SH
273 &ape6evm_keys_pdata,
274 sizeof(ape6evm_keys_pdata));
d2168146 275 platform_device_register_data(NULL, "leds-gpio", -1,
9adad788
SH
276 &ape6evm_leds_pdata,
277 sizeof(ape6evm_leds_pdata));
78ded168
MD
278}
279
280static const char *ape6evm_boards_compat_dt[] __initdata = {
281 "renesas,ape6evm",
282 NULL,
283};
284
285DT_MACHINE_START(APE6EVM_DT, "ape6evm")
911f7cec 286 .init_early = shmobile_init_delay,
78ded168 287 .init_machine = ape6evm_add_standard_devices,
509c42a5 288 .init_late = shmobile_init_late,
78ded168
MD
289 .dt_compat = ape6evm_boards_compat_dt,
290MACHINE_END