[linux-2.6-block.git] / arch / arm / mach-omap1 / board-nokia770.c

/*
 * linux/arch/arm/mach-omap1/board-nokia770.c
 *
 * Modified from board-generic.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#include <linux/clkdev.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/omapfb.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/workqueue.h>
#include <linux/delay.h>

#include <linux/platform_data/keypad-omap.h>
#include <linux/platform_data/lcd-mipid.h>
#include <linux/platform_data/gpio-omap.h>
#include <linux/platform_data/i2c-cbus-gpio.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <mach/mux.h>

#include <mach/hardware.h>
#include <mach/usb.h>

#include "common.h"
#include "clock.h"
#include "mmc.h"

#define ADS7846_PENDOWN_GPIO	15

static const unsigned int nokia770_keymap[] = {
	KEY(1, 0, GROUP_0 | KEY_UP),
	KEY(2, 0, GROUP_1 | KEY_F5),
	KEY(0, 1, GROUP_0 | KEY_LEFT),
	KEY(1, 1, GROUP_0 | KEY_ENTER),
	KEY(2, 1, GROUP_0 | KEY_RIGHT),
	KEY(0, 2, GROUP_1 | KEY_ESC),
	KEY(1, 2, GROUP_0 | KEY_DOWN),
	KEY(2, 2, GROUP_1 | KEY_F4),
	KEY(0, 3, GROUP_2 | KEY_F7),
	KEY(1, 3, GROUP_2 | KEY_F8),
	KEY(2, 3, GROUP_2 | KEY_F6),
};

static struct resource nokia770_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

static const struct matrix_keymap_data nokia770_keymap_data = {
	.keymap		= nokia770_keymap,
	.keymap_size	= ARRAY_SIZE(nokia770_keymap),
};

static struct omap_kp_platform_data nokia770_kp_data = {
	.rows		= 8,
	.cols		= 8,
	.keymap_data	= &nokia770_keymap_data,
	.delay		= 4,
};

static struct platform_device nokia770_kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &nokia770_kp_data,
	},
	.num_resources	= ARRAY_SIZE(nokia770_kp_resources),
	.resource	= nokia770_kp_resources,
};

static struct platform_device *nokia770_devices[] __initdata = {
	&nokia770_kp_device,
};

static void mipid_shutdown(struct mipid_platform_data *pdata)
{
	if (pdata->nreset_gpio != -1) {
		printk(KERN_INFO "shutdown LCD\n");
		gpio_set_value(pdata->nreset_gpio, 0);
		msleep(120);
	}
}

static struct mipid_platform_data nokia770_mipid_platform_data = {
	.shutdown = mipid_shutdown,
};

static struct omap_lcd_config nokia770_lcd_config __initdata = {
	.ctrl_name	= "hwa742",
};

static void __init mipid_dev_init(void)
{
	nokia770_mipid_platform_data.nreset_gpio = 13;
	nokia770_mipid_platform_data.data_lines = 16;

	omapfb_set_lcd_config(&nokia770_lcd_config);
}

static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
	.x_max		= 0x0fff,
	.y_max		= 0x0fff,
	.x_plate_ohms	= 180,
	.pressure_max	= 255,
	.debounce_max	= 10,
	.debounce_tol	= 3,
	.debounce_rep	= 1,
	.gpio_pendown	= ADS7846_PENDOWN_GPIO,
};

static struct spi_board_info nokia770_spi_board_info[] __initdata = {
	[0] = {
		.modalias       = "lcd_mipid",
		.bus_num        = 2,
		.chip_select    = 3,
		.max_speed_hz   = 12000000,
		.platform_data	= &nokia770_mipid_platform_data,
	},
	[1] = {
		.modalias       = "ads7846",
		.bus_num        = 2,
		.chip_select    = 0,
		.max_speed_hz   = 2500000,
		.platform_data	= &nokia770_ads7846_platform_data,
	},
};

static void __init hwa742_dev_init(void)
{
	clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
}

/* assume no Mini-AB port */

static struct omap_usb_config nokia770_usb_config __initdata = {
	.otg		= 1,
	.register_host	= 1,
	.register_dev	= 1,
	.hmc_mode	= 16,
	.pins[0]	= 6,
	.extcon		= "tahvo-usb",
};

#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)

#define NOKIA770_GPIO_MMC_POWER		41
#define NOKIA770_GPIO_MMC_SWITCH	23

static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
				int vdd)
{
	gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
	return 0;
}

static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
{
	return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
}

static struct omap_mmc_platform_data nokia770_mmc2_data = {
	.nr_slots                       = 1,
	.max_freq                       = 12000000,
	.slots[0]       = {
		.set_power		= nokia770_mmc_set_power,
		.get_cover_state	= nokia770_mmc_get_cover_state,
		.ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
		.name                   = "mmcblk",
	},
};

static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];

static void __init nokia770_mmc_init(void)
{
	int ret;

	ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
	if (ret < 0)
		return;
	gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);

	ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
	if (ret < 0) {
		gpio_free(NOKIA770_GPIO_MMC_POWER);
		return;
	}
	gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);

	/* Only the second MMC controller is used */
	nokia770_mmc_data[1] = &nokia770_mmc2_data;
	omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
}

#else
static inline void nokia770_mmc_init(void)
{
}
#endif

#if defined(CONFIG_I2C_CBUS_GPIO) || defined(CONFIG_I2C_CBUS_GPIO_MODULE)
static struct i2c_cbus_platform_data nokia770_cbus_data = {
	.clk_gpio = OMAP_MPUIO(9),
	.dat_gpio = OMAP_MPUIO(10),
	.sel_gpio = OMAP_MPUIO(11),
};

static struct platform_device nokia770_cbus_device = {
	.name   = "i2c-cbus-gpio",
	.id     = 2,
	.dev    = {
		.platform_data = &nokia770_cbus_data,
	},
};

static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = {
	{
		I2C_BOARD_INFO("retu-mfd", 0x01),
	},
	{
		I2C_BOARD_INFO("tahvo-mfd", 0x02),
	},
};

static void __init nokia770_cbus_init(void)
{
	const int retu_irq_gpio = 62;
	const int tahvo_irq_gpio = 40;

	if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
		return;
	if (gpio_request_one(tahvo_irq_gpio, GPIOF_IN, "Tahvo IRQ")) {
		gpio_free(retu_irq_gpio);
		return;
	}
	irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
	irq_set_irq_type(gpio_to_irq(tahvo_irq_gpio), IRQ_TYPE_EDGE_RISING);
	nokia770_i2c_board_info_2[0].irq = gpio_to_irq(retu_irq_gpio);
	nokia770_i2c_board_info_2[1].irq = gpio_to_irq(tahvo_irq_gpio);
	i2c_register_board_info(2, nokia770_i2c_board_info_2,
				ARRAY_SIZE(nokia770_i2c_board_info_2));
	platform_device_register(&nokia770_cbus_device);
}
#else /* CONFIG_I2C_CBUS_GPIO */
static void __init nokia770_cbus_init(void)
{
}
#endif /* CONFIG_I2C_CBUS_GPIO */

static void __init omap_nokia770_init(void)
{
	/* On Nokia 770, the SleepX signal is masked with an
	 * MPUIO line by default.  It has to be unmasked for it
	 * to become functional */

	/* SleepX mask direction */
	omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
	/* Unmask SleepX signal */
	omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);

	platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
	nokia770_spi_board_info[1].irq = gpio_to_irq(15);
	spi_register_board_info(nokia770_spi_board_info,
				ARRAY_SIZE(nokia770_spi_board_info));
	omap_serial_init();
	omap_register_i2c_bus(1, 100, NULL, 0);
	hwa742_dev_init();
	mipid_dev_init();
	omap1_usb_init(&nokia770_usb_config);
	nokia770_mmc_init();
	nokia770_cbus_init();
}

MACHINE_START(NOKIA770, "Nokia 770")
	.atag_offset	= 0x100,
	.map_io		= omap16xx_map_io,
	.init_early     = omap1_init_early,
	.init_irq	= omap1_init_irq,
	.handle_irq	= omap1_handle_irq,
	.init_machine	= omap_nokia770_init,
	.init_late	= omap1_init_late,
	.init_time	= omap1_timer_init,
	.restart	= omap1_restart,
MACHINE_END
Commit	Line	Data
9b6553cd TL	1	/*
	2	* linux/arch/arm/mach-omap1/board-nokia770.c
	3	*
	4	* Modified from board-generic.c
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*/
2d34e507	10	#include <linux/clkdev.h>
e496efd9	11	#include <linux/irq.h>
2f8163ba	12	#include <linux/gpio.h>
9b6553cd TL	13	#include <linux/kernel.h>
9b6553cd TL	14	#include <linux/init.h>
d41d219e	15	#include <linux/mutex.h>
9b6553cd TL	16	#include <linux/platform_device.h>
9b6553cd TL	17	#include <linux/input.h>
91773a00	18	#include <linux/omapfb.h>
9b6553cd TL	19
	20	#include <linux/spi/spi.h>
	21	#include <linux/spi/ads7846.h>
19350610 DB	22	#include <linux/workqueue.h>
19350610 DB	23	#include <linux/delay.h>
9b6553cd	24
2203747c AB	25	#include <linux/platform_data/keypad-omap.h>
2203747c AB	26	#include <linux/platform_data/lcd-mipid.h>
e496efd9 AK	27	#include <linux/platform_data/gpio-omap.h>
e496efd9 AK	28	#include <linux/platform_data/i2c-cbus-gpio.h>
2203747c	29
9b6553cd TL	30	#include <asm/mach-types.h>
	31	#include <asm/mach/arch.h>
	32	#include <asm/mach/map.h>
	33
70c494c3	34	#include <mach/mux.h>
9b6553cd	35
2e3ee9f4	36	#include <mach/hardware.h>
b924b204	37	#include <mach/usb.h>
2e3ee9f4 TL	38
2e3ee9f4 TL	39	#include "common.h"
a135eaae	40	#include "clock.h"
68f39e74	41	#include "mmc.h"
2e3ee9f4	42
06767fb2 ID	43	#define ADS7846_PENDOWN_GPIO 15
06767fb2 ID	44
da1f026b JK	45	static const unsigned int nokia770_keymap[] = {
	46	KEY(1, 0, GROUP_0 \| KEY_UP),
	47	KEY(2, 0, GROUP_1 \| KEY_F5),
	48	KEY(0, 1, GROUP_0 \| KEY_LEFT),
9b6553cd	49	KEY(1, 1, GROUP_0 \| KEY_ENTER),
da1f026b JK	50	KEY(2, 1, GROUP_0 \| KEY_RIGHT),
	51	KEY(0, 2, GROUP_1 \| KEY_ESC),
	52	KEY(1, 2, GROUP_0 \| KEY_DOWN),
9b6553cd	53	KEY(2, 2, GROUP_1 \| KEY_F4),
da1f026b JK	54	KEY(0, 3, GROUP_2 \| KEY_F7),
	55	KEY(1, 3, GROUP_2 \| KEY_F8),
	56	KEY(2, 3, GROUP_2 \| KEY_F6),
9b6553cd TL	57	};
	58
	59	static struct resource nokia770_kp_resources[] = {
	60	[0] = {
	61	.start = INT_KEYBOARD,
	62	.end = INT_KEYBOARD,
	63	.flags = IORESOURCE_IRQ,
	64	},
	65	};
	66
da1f026b JK	67	static const struct matrix_keymap_data nokia770_keymap_data = {
	68	.keymap = nokia770_keymap,
	69	.keymap_size = ARRAY_SIZE(nokia770_keymap),
	70	};
	71
9b6553cd	72	static struct omap_kp_platform_data nokia770_kp_data = {
4d24607b KS	73	.rows = 8,
4d24607b KS	74	.cols = 8,
da1f026b	75	.keymap_data = &nokia770_keymap_data,
4d24607b	76	.delay = 4,
9b6553cd TL	77	};
	78
	79	static struct platform_device nokia770_kp_device = {
	80	.name = "omap-keypad",
	81	.id = -1,
	82	.dev = {
	83	.platform_data = &nokia770_kp_data,
	84	},
	85	.num_resources = ARRAY_SIZE(nokia770_kp_resources),
	86	.resource = nokia770_kp_resources,
	87	};
	88
	89	static struct platform_device *nokia770_devices[] __initdata = {
a524626b	90	&nokia770_kp_device,
9b6553cd TL	91	};
9b6553cd TL	92
06767fb2 ID	93	static void mipid_shutdown(struct mipid_platform_data *pdata)
	94	{
	95	if (pdata->nreset_gpio != -1) {
	96	printk(KERN_INFO "shutdown LCD\n");
0b84b5ca	97	gpio_set_value(pdata->nreset_gpio, 0);
06767fb2 ID	98	msleep(120);
	99	}
	100	}
	101
	102	static struct mipid_platform_data nokia770_mipid_platform_data = {
	103	.shutdown = mipid_shutdown,
	104	};
	105
ddba6c7f TV	106	static struct omap_lcd_config nokia770_lcd_config __initdata = {
	107	.ctrl_name = "hwa742",
	108	};
	109
29ab3c77	110	static void __init mipid_dev_init(void)
06767fb2	111	{
ddba6c7f TV	112	nokia770_mipid_platform_data.nreset_gpio = 13;
ddba6c7f TV	113	nokia770_mipid_platform_data.data_lines = 16;
06767fb2	114
ddba6c7f	115	omapfb_set_lcd_config(&nokia770_lcd_config);
06767fb2 ID	116	}
06767fb2 ID	117
9b6553cd TL	118	static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
	119	.x_max = 0x0fff,
	120	.y_max = 0x0fff,
	121	.x_plate_ohms = 180,
	122	.pressure_max = 255,
	123	.debounce_max = 10,
	124	.debounce_tol = 3,
06767fb2	125	.debounce_rep = 1,
506ee557	126	.gpio_pendown = ADS7846_PENDOWN_GPIO,
9b6553cd TL	127	};
	128
	129	static struct spi_board_info nokia770_spi_board_info[] __initdata = {
	130	[0] = {
a524626b	131	.modalias = "lcd_mipid",
9b6553cd TL	132	.bus_num = 2,
	133	.chip_select = 3,
	134	.max_speed_hz = 12000000,
06767fb2	135	.platform_data = &nokia770_mipid_platform_data,
9b6553cd TL	136	},
	137	[1] = {
	138	.modalias = "ads7846",
	139	.bus_num = 2,
	140	.chip_select = 0,
	141	.max_speed_hz = 2500000,
9b6553cd TL	142	.platform_data = &nokia770_ads7846_platform_data,
	143	},
	144	};
	145
29ab3c77	146	static void __init hwa742_dev_init(void)
088962c2 AQ	147	{
088962c2 AQ	148	clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
088962c2	149	}
9b6553cd TL	150
	151	/* assume no Mini-AB port */
	152
	153	static struct omap_usb_config nokia770_usb_config __initdata = {
	154	.otg = 1,
	155	.register_host = 1,
	156	.register_dev = 1,
	157	.hmc_mode = 16,
	158	.pins[0] = 6,
8c5cb1a8	159	.extcon = "tahvo-usb",
9b6553cd TL	160	};
9b6553cd TL	161
d8874665 TL	162	#if defined(CONFIG_MMC_OMAP) \|\| defined(CONFIG_MMC_OMAP_MODULE)
	163
	164	#define NOKIA770_GPIO_MMC_POWER 41
	165	#define NOKIA770_GPIO_MMC_SWITCH 23
	166
	167	static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
	168	int vdd)
	169	{
bac5b29f	170	gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
d8874665 TL	171	return 0;
	172	}
	173
	174	static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
	175	{
	176	return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
	177	}
	178
	179	static struct omap_mmc_platform_data nokia770_mmc2_data = {
	180	.nr_slots = 1,
e4d24ec3	181	.max_freq = 12000000,
d8874665 TL	182	.slots[0] = {
	183	.set_power = nokia770_mmc_set_power,
	184	.get_cover_state = nokia770_mmc_get_cover_state,
e4d24ec3	185	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
d8874665	186	.name = "mmcblk",
9b6553cd TL	187	},
	188	};
	189
d8874665 TL	190	static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
	191
	192	static void __init nokia770_mmc_init(void)
	193	{
	194	int ret;
	195
	196	ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
	197	if (ret < 0)
	198	return;
	199	gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
	200
	201	ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
	202	if (ret < 0) {
	203	gpio_free(NOKIA770_GPIO_MMC_POWER);
	204	return;
	205	}
	206	gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
	207
	208	/* Only the second MMC controller is used */
	209	nokia770_mmc_data[1] = &nokia770_mmc2_data;
	210	omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
	211	}
	212
	213	#else
	214	static inline void nokia770_mmc_init(void)
	215	{
	216	}
	217	#endif
	218
e496efd9 AK	219	#if defined(CONFIG_I2C_CBUS_GPIO) \|\| defined(CONFIG_I2C_CBUS_GPIO_MODULE)
	220	static struct i2c_cbus_platform_data nokia770_cbus_data = {
	221	.clk_gpio = OMAP_MPUIO(9),
	222	.dat_gpio = OMAP_MPUIO(10),
	223	.sel_gpio = OMAP_MPUIO(11),
	224	};
	225
	226	static struct platform_device nokia770_cbus_device = {
	227	.name = "i2c-cbus-gpio",
	228	.id = 2,
	229	.dev = {
	230	.platform_data = &nokia770_cbus_data,
	231	},
	232	};
	233
	234	static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = {
	235	{
	236	I2C_BOARD_INFO("retu-mfd", 0x01),
	237	},
a4b13a3b AK	238	{
	239	I2C_BOARD_INFO("tahvo-mfd", 0x02),
	240	},
e496efd9 AK	241	};
	242
	243	static void __init nokia770_cbus_init(void)
	244	{
	245	const int retu_irq_gpio = 62;
a4b13a3b	246	const int tahvo_irq_gpio = 40;
e496efd9 AK	247
	248	if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
	249	return;
a4b13a3b AK	250	if (gpio_request_one(tahvo_irq_gpio, GPIOF_IN, "Tahvo IRQ")) {
	251	gpio_free(retu_irq_gpio);
	252	return;
	253	}
e496efd9	254	irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
a4b13a3b	255	irq_set_irq_type(gpio_to_irq(tahvo_irq_gpio), IRQ_TYPE_EDGE_RISING);
e496efd9	256	nokia770_i2c_board_info_2[0].irq = gpio_to_irq(retu_irq_gpio);
a4b13a3b	257	nokia770_i2c_board_info_2[1].irq = gpio_to_irq(tahvo_irq_gpio);
e496efd9 AK	258	i2c_register_board_info(2, nokia770_i2c_board_info_2,
	259	ARRAY_SIZE(nokia770_i2c_board_info_2));
	260	platform_device_register(&nokia770_cbus_device);
	261	}
	262	#else /* CONFIG_I2C_CBUS_GPIO */
	263	static void __init nokia770_cbus_init(void)
	264	{
	265	}
	266	#endif /* CONFIG_I2C_CBUS_GPIO */
	267
9b6553cd TL	268	static void __init omap_nokia770_init(void)
9b6553cd TL	269	{
7b88e62f TL	270	/* On Nokia 770, the SleepX signal is masked with an
	271	* MPUIO line by default. It has to be unmasked for it
	272	* to become functional */
	273
	274	/* SleepX mask direction */
	275	omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
	276	/* Unmask SleepX signal */
	277	omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
	278
9b6553cd	279	platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
46a0a540	280	nokia770_spi_board_info[1].irq = gpio_to_irq(15);
9b6553cd TL	281	spi_register_board_info(nokia770_spi_board_info,
9b6553cd TL	282	ARRAY_SIZE(nokia770_spi_board_info));
9b6553cd	283	omap_serial_init();
1ed16a86	284	omap_register_i2c_bus(1, 100, NULL, 0);
088962c2	285	hwa742_dev_init();
06767fb2	286	mipid_dev_init();
dd0cdd88	287	omap1_usb_init(&nokia770_usb_config);
d8874665	288	nokia770_mmc_init();
e496efd9	289	nokia770_cbus_init();
9b6553cd TL	290	}
9b6553cd TL	291
9b6553cd	292	MACHINE_START(NOKIA770, "Nokia 770")
246e389d	293	.atag_offset = 0x100,
7b88e62f TL	294	.map_io = omap16xx_map_io,
7b88e62f TL	295	.init_early = omap1_init_early,
7b88e62f	296	.init_irq = omap1_init_irq,
b694331c	297	.handle_irq = omap1_handle_irq,
9b6553cd	298	.init_machine = omap_nokia770_init,
82c3bd03	299	.init_late = omap1_init_late,
6bb27d73	300	.init_time = omap1_timer_init,
baa95883	301	.restart = omap1_restart,
9b6553cd	302	MACHINE_END