[deliverable/linux.git] / arch / arm / mach-shmobile / board-ape6evm.c

/*
 * 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 <mach/common.h>
#include <mach/irqs.h>
#include <mach/r8a73a4.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>

/* 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 __initdata gpio_keys_platform_data ape6evm_keys_pdata = {
	.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[] = {
	DEFINE_RES_MEM(0x08000000, 0x1000),
	{
		.start	= irq_pin(40), /* IRQ40 */
		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
	},
};

static const struct smsc911x_platform_config lan9220_data = {
	.flags		= SMSC911X_USE_32BIT,
	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
};

/*
 * On APE6EVM power is supplied to MMCIF by a tps80032 regulator. For now we
 * model a VDD supply to MMCIF, using a fixed 3.3V regulator. Also use the
 * static power supply for SDHI0 and SDHI1, whereas SDHI0's VccQ is also
 * supplied by the same tps80032 regulator and thus can also be adjusted
 * dynamically.
 */
static struct regulator_consumer_supply fixed3v3_power_consumers[] =
{
	REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
};

/* MMCIF */
static struct sh_mmcif_plat_data mmcif0_pdata = {
	.caps		= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
};

static struct resource mmcif0_resources[] = {
	DEFINE_RES_MEM_NAMED(0xee200000, 0x100, "MMCIF0"),
	DEFINE_RES_IRQ(gic_spi(169)),
};

/* SDHI0 */
static struct sh_mobile_sdhi_info sdhi0_pdata = {
	.tmio_flags	= TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
	.tmio_caps	= MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
};

static struct resource sdhi0_resources[] = {
	DEFINE_RES_MEM_NAMED(0xee100000, 0x100, "SDHI0"),
	DEFINE_RES_IRQ(gic_spi(165)),
};

/* SDHI1 */
static struct sh_mobile_sdhi_info sdhi1_pdata = {
	.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 struct resource sdhi1_resources[] = {
	DEFINE_RES_MEM_NAMED(0xee120000, 0x100, "SDHI1"),
	DEFINE_RES_IRQ(gic_spi(166)),
};

static const struct pinctrl_map ape6evm_pinctrl_map[] = {
	/* 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(&platform_bus, "smsc911x", -1,
					  lan9220_res, ARRAY_SIZE(lan9220_res),
					  &lan9220_data, sizeof(lan9220_data));
	regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
				     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
	platform_device_register_resndata(&platform_bus, "sh_mmcif", 0,
					  mmcif0_resources, ARRAY_SIZE(mmcif0_resources),
					  &mmcif0_pdata, sizeof(mmcif0_pdata));
	platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 0,
					  sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
					  &sdhi0_pdata, sizeof(sdhi0_pdata));
	platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,
					  sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
					  &sdhi1_pdata, sizeof(sdhi1_pdata));
	platform_device_register_data(&platform_bus, "gpio-keys", -1,
				      &ape6evm_keys_pdata,
				      sizeof(ape6evm_keys_pdata));
}

static const char *ape6evm_boards_compat_dt[] __initdata = {
	"renesas,ape6evm",
	NULL,
};

DT_MACHINE_START(APE6EVM_DT, "ape6evm")
	.init_early	= r8a73a4_init_delay,
	.init_time	= shmobile_timer_init,
	.init_machine	= ape6evm_add_standard_devices,
	.dt_compat	= ape6evm_boards_compat_dt,
MACHINE_END
Commit	Line	Data
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>
5c6db1a4 SH	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>
87116132 GL	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>
15351a7a MD	33	#include <linux/regulator/machine.h>
b8568a04	34	#include <linux/sh_clk.h>
15351a7a	35	#include <linux/smsc911x.h>
78ded168	36	#include <mach/common.h>
15351a7a	37	#include <mach/irqs.h>
78ded168 MD	38	#include <mach/r8a73a4.h>
	39	#include <asm/mach-types.h>
	40	#include <asm/mach/arch.h>
	41
5c6db1a4 SH	42	/* GPIO KEY */
	43	#define GPIO_KEY(c, g, d, ...) \
	44	{ .code = c, .gpio = g, .desc = d, .active_low = 1 }
	45
	46	static struct gpio_keys_button gpio_buttons[] = {
	47	GPIO_KEY(KEY_0, 324, "S16"),
	48	GPIO_KEY(KEY_MENU, 325, "S17"),
	49	GPIO_KEY(KEY_HOME, 326, "S18"),
	50	GPIO_KEY(KEY_BACK, 327, "S19"),
	51	GPIO_KEY(KEY_VOLUMEUP, 328, "S20"),
	52	GPIO_KEY(KEY_VOLUMEDOWN, 329, "S21"),
	53	};
	54
	55	static struct __initdata gpio_keys_platform_data ape6evm_keys_pdata = {
	56	.buttons = gpio_buttons,
	57	.nbuttons = ARRAY_SIZE(gpio_buttons),
	58	};
	59
15351a7a MD	60	/* Dummy supplies, where voltage doesn't matter */
	61	static struct regulator_consumer_supply dummy_supplies[] = {
	62	REGULATOR_SUPPLY("vddvario", "smsc911x"),
	63	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
	64	};
	65
	66	/* SMSC LAN9220 */
	67	static const struct resource lan9220_res[] = {
	68	DEFINE_RES_MEM(0x08000000, 0x1000),
	69	{
	70	.start = irq_pin(40), /* IRQ40 */
	71	.flags = IORESOURCE_IRQ \| IRQF_TRIGGER_HIGH,
	72	},
	73	};
	74
	75	static const struct smsc911x_platform_config lan9220_data = {
	76	.flags = SMSC911X_USE_32BIT,
	77	.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
	78	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
	79	};
	80
87116132 GL	81	/*
87116132 GL	82	* On APE6EVM power is supplied to MMCIF by a tps80032 regulator. For now we
f79d68da GL	83	* model a VDD supply to MMCIF, using a fixed 3.3V regulator. Also use the
	84	* static power supply for SDHI0 and SDHI1, whereas SDHI0's VccQ is also
	85	* supplied by the same tps80032 regulator and thus can also be adjusted
	86	* dynamically.
87116132 GL	87	*/
	88	static struct regulator_consumer_supply fixed3v3_power_consumers[] =
	89	{
	90	REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
f79d68da GL	91	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
f79d68da GL	92	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
87116132 GL	93	};
	94
	95	/* MMCIF */
	96	static struct sh_mmcif_plat_data mmcif0_pdata = {
	97	.caps = MMC_CAP_8_BIT_DATA \| MMC_CAP_NONREMOVABLE,
	98	};
	99
	100	static struct resource mmcif0_resources[] = {
	101	DEFINE_RES_MEM_NAMED(0xee200000, 0x100, "MMCIF0"),
	102	DEFINE_RES_IRQ(gic_spi(169)),
	103	};
	104
f79d68da GL	105	/* SDHI0 */
	106	static struct sh_mobile_sdhi_info sdhi0_pdata = {
	107	.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT \| TMIO_MMC_WRPROTECT_DISABLE,
	108	.tmio_caps = MMC_CAP_SD_HIGHSPEED \| MMC_CAP_SDIO_IRQ,
	109	};
	110
	111	static struct resource sdhi0_resources[] = {
	112	DEFINE_RES_MEM_NAMED(0xee100000, 0x100, "SDHI0"),
	113	DEFINE_RES_IRQ(gic_spi(165)),
	114	};
	115
	116	/* SDHI1 */
	117	static struct sh_mobile_sdhi_info sdhi1_pdata = {
	118	.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT \| TMIO_MMC_WRPROTECT_DISABLE,
	119	.tmio_caps = MMC_CAP_SD_HIGHSPEED \| MMC_CAP_SDIO_IRQ \|
	120	MMC_CAP_NEEDS_POLL,
	121	};
	122
	123	static struct resource sdhi1_resources[] = {
	124	DEFINE_RES_MEM_NAMED(0xee120000, 0x100, "SDHI1"),
	125	DEFINE_RES_IRQ(gic_spi(166)),
	126	};
	127
2c56055c MD	128	static const struct pinctrl_map ape6evm_pinctrl_map[] = {
	129	/* SCIFA0 console */
	130	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
	131	"scifa0_data", "scifa0"),
15351a7a MD	132	/* SMSC */
	133	PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4",
	134	"irqc_irq40", "irqc"),
87116132 GL	135	/* MMCIF0 */
	136	PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
	137	"mmc0_data8", "mmc0"),
	138	PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
	139	"mmc0_ctrl", "mmc0"),
f79d68da GL	140	/* SDHI0: uSD: no WP */
	141	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
	142	"sdhi0_data4", "sdhi0"),
	143	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
	144	"sdhi0_ctrl", "sdhi0"),
	145	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
	146	"sdhi0_cd", "sdhi0"),
	147	/* SDHI1 */
	148	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
	149	"sdhi1_data4", "sdhi1"),
	150	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
	151	"sdhi1_ctrl", "sdhi1"),
2c56055c MD	152	};
2c56055c MD	153
78ded168 MD	154	static void __init ape6evm_add_standard_devices(void)
78ded168 MD	155	{
b8568a04 KM	156
	157	struct clk *parent;
	158	struct clk *mp;
	159
78ded168	160	r8a73a4_clock_init();
b8568a04 KM	161
	162	/* MP clock parent = extal2 */
	163	parent = clk_get(NULL, "extal2");
	164	mp = clk_get(NULL, "mp");
	165	BUG_ON(IS_ERR(parent) \|\| IS_ERR(mp));
	166
	167	clk_set_parent(mp, parent);
	168	clk_put(parent);
	169	clk_put(mp);
	170
2c56055c MD	171	pinctrl_register_mappings(ape6evm_pinctrl_map,
	172	ARRAY_SIZE(ape6evm_pinctrl_map));
	173	r8a73a4_pinmux_init();
78ded168	174	r8a73a4_add_standard_devices();
15351a7a MD	175
	176	/* LAN9220 ethernet */
	177	gpio_request_one(270, GPIOF_OUT_INIT_HIGH, NULL); /* smsc9220 RESET */
	178
	179	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
	180
	181	platform_device_register_resndata(&platform_bus, "smsc911x", -1,
	182	lan9220_res, ARRAY_SIZE(lan9220_res),
	183	&lan9220_data, sizeof(lan9220_data));
87116132 GL	184	regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
	185	ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
	186	platform_device_register_resndata(&platform_bus, "sh_mmcif", 0,
	187	mmcif0_resources, ARRAY_SIZE(mmcif0_resources),
	188	&mmcif0_pdata, sizeof(mmcif0_pdata));
f79d68da GL	189	platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 0,
	190	sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
	191	&sdhi0_pdata, sizeof(sdhi0_pdata));
	192	platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,
	193	sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
	194	&sdhi1_pdata, sizeof(sdhi1_pdata));
5c6db1a4 SH	195	platform_device_register_data(&platform_bus, "gpio-keys", -1,
	196	&ape6evm_keys_pdata,
	197	sizeof(ape6evm_keys_pdata));
78ded168 MD	198	}
	199
	200	static const char *ape6evm_boards_compat_dt[] __initdata = {
	201	"renesas,ape6evm",
	202	NULL,
	203	};
	204
	205	DT_MACHINE_START(APE6EVM_DT, "ape6evm")
b9a30ef1	206	.init_early = r8a73a4_init_delay,
78ded168 MD	207	.init_time = shmobile_timer_init,
	208	.init_machine = ape6evm_add_standard_devices,
	209	.dt_compat = ape6evm_boards_compat_dt,
	210	MACHINE_END