[deliverable/linux.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/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/clk.h>
#include <linux/omapfb.h>

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

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

#include <plat/mux.h>
#include <plat/usb.h>
#include <plat/board.h>
#include <plat/keypad.h>
#include "common.h"
#include <plat/hwa742.h>
#include <plat/lcd_mipid.h>
#include <plat/mmc.h>
#include <plat/clock.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 void __init mipid_dev_init(void)
{
	const struct omap_lcd_config *conf;

	conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
	if (conf != NULL) {
		nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
		nokia770_mipid_platform_data.data_lines = conf->data_lines;
	}
}

static void __init ads7846_dev_init(void)
{
	if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0)
		printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
}

static int ads7846_get_pendown_state(void)
{
	return !gpio_get_value(ADS7846_PENDOWN_GPIO);
}

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,
	.get_pendown_state	= ads7846_get_pendown_state,
};

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,
		.irq		= OMAP_GPIO_IRQ(15),
		.platform_data	= &nokia770_ads7846_platform_data,
	},
};

static struct hwa742_platform_data nokia770_hwa742_platform_data = {
	.te_connected		= 1,
};

static void __init hwa742_dev_init(void)
{
	clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
	omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data);
}

/* 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,
};

#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,
	.dma_mask			= 0xffffffff,
	.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

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));
	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();
	ads7846_dev_init();
	mipid_dev_init();
	omap1_usb_init(&nokia770_usb_config);
	nokia770_mmc_init();
}

MACHINE_START(NOKIA770, "Nokia 770")
	.atag_offset	= 0x100,
	.map_io		= omap16xx_map_io,
	.init_early     = omap1_init_early,
	.reserve	= omap_reserve,
	.init_irq	= omap1_init_irq,
	.init_machine	= omap_nokia770_init,
	.timer		= &omap1_timer,
	.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	*/
2f8163ba	10	#include <linux/gpio.h>
9b6553cd TL	11	#include <linux/kernel.h>
9b6553cd TL	12	#include <linux/init.h>
d41d219e	13	#include <linux/mutex.h>
9b6553cd TL	14	#include <linux/platform_device.h>
	15	#include <linux/input.h>
	16	#include <linux/clk.h>
91773a00	17	#include <linux/omapfb.h>
9b6553cd TL	18
	19	#include <linux/spi/spi.h>
	20	#include <linux/spi/ads7846.h>
19350610 DB	21	#include <linux/workqueue.h>
19350610 DB	22	#include <linux/delay.h>
9b6553cd	23
a09e64fb	24	#include <mach/hardware.h>
9b6553cd TL	25	#include <asm/mach-types.h>
	26	#include <asm/mach/arch.h>
	27	#include <asm/mach/map.h>
	28
ce491cf8 TL	29	#include <plat/mux.h>
	30	#include <plat/usb.h>
	31	#include <plat/board.h>
	32	#include <plat/keypad.h>
4e65331c	33	#include "common.h"
ce491cf8 TL	34	#include <plat/hwa742.h>
	35	#include <plat/lcd_mipid.h>
	36	#include <plat/mmc.h>
	37	#include <plat/clock.h>
9b6553cd	38
06767fb2 ID	39	#define ADS7846_PENDOWN_GPIO 15
06767fb2 ID	40
da1f026b JK	41	static const unsigned int nokia770_keymap[] = {
	42	KEY(1, 0, GROUP_0 \| KEY_UP),
	43	KEY(2, 0, GROUP_1 \| KEY_F5),
	44	KEY(0, 1, GROUP_0 \| KEY_LEFT),
9b6553cd	45	KEY(1, 1, GROUP_0 \| KEY_ENTER),
da1f026b JK	46	KEY(2, 1, GROUP_0 \| KEY_RIGHT),
	47	KEY(0, 2, GROUP_1 \| KEY_ESC),
	48	KEY(1, 2, GROUP_0 \| KEY_DOWN),
9b6553cd	49	KEY(2, 2, GROUP_1 \| KEY_F4),
da1f026b JK	50	KEY(0, 3, GROUP_2 \| KEY_F7),
	51	KEY(1, 3, GROUP_2 \| KEY_F8),
	52	KEY(2, 3, GROUP_2 \| KEY_F6),
9b6553cd TL	53	};
	54
	55	static struct resource nokia770_kp_resources[] = {
	56	[0] = {
	57	.start = INT_KEYBOARD,
	58	.end = INT_KEYBOARD,
	59	.flags = IORESOURCE_IRQ,
	60	},
	61	};
	62
da1f026b JK	63	static const struct matrix_keymap_data nokia770_keymap_data = {
	64	.keymap = nokia770_keymap,
	65	.keymap_size = ARRAY_SIZE(nokia770_keymap),
	66	};
	67
9b6553cd	68	static struct omap_kp_platform_data nokia770_kp_data = {
4d24607b KS	69	.rows = 8,
4d24607b KS	70	.cols = 8,
da1f026b	71	.keymap_data = &nokia770_keymap_data,
4d24607b	72	.delay = 4,
9b6553cd TL	73	};
	74
	75	static struct platform_device nokia770_kp_device = {
	76	.name = "omap-keypad",
	77	.id = -1,
	78	.dev = {
	79	.platform_data = &nokia770_kp_data,
	80	},
	81	.num_resources = ARRAY_SIZE(nokia770_kp_resources),
	82	.resource = nokia770_kp_resources,
	83	};
	84
	85	static struct platform_device *nokia770_devices[] __initdata = {
a524626b	86	&nokia770_kp_device,
9b6553cd TL	87	};
9b6553cd TL	88
06767fb2 ID	89	static void mipid_shutdown(struct mipid_platform_data *pdata)
	90	{
	91	if (pdata->nreset_gpio != -1) {
	92	printk(KERN_INFO "shutdown LCD\n");
0b84b5ca	93	gpio_set_value(pdata->nreset_gpio, 0);
06767fb2 ID	94	msleep(120);
	95	}
	96	}
	97
	98	static struct mipid_platform_data nokia770_mipid_platform_data = {
	99	.shutdown = mipid_shutdown,
	100	};
	101
29ab3c77	102	static void __init mipid_dev_init(void)
06767fb2 ID	103	{
	104	const struct omap_lcd_config *conf;
	105
	106	conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
	107	if (conf != NULL) {
	108	nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
	109	nokia770_mipid_platform_data.data_lines = conf->data_lines;
	110	}
	111	}
	112
29ab3c77	113	static void __init ads7846_dev_init(void)
06767fb2	114	{
f2d18fea	115	if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0)
06767fb2 ID	116	printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
	117	}
	118
	119	static int ads7846_get_pendown_state(void)
	120	{
0b84b5ca	121	return !gpio_get_value(ADS7846_PENDOWN_GPIO);
06767fb2 ID	122	}
06767fb2 ID	123
9b6553cd TL	124	static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
	125	.x_max = 0x0fff,
	126	.y_max = 0x0fff,
	127	.x_plate_ohms = 180,
	128	.pressure_max = 255,
	129	.debounce_max = 10,
	130	.debounce_tol = 3,
06767fb2 ID	131	.debounce_rep = 1,
06767fb2 ID	132	.get_pendown_state = ads7846_get_pendown_state,
9b6553cd TL	133	};
	134
	135	static struct spi_board_info nokia770_spi_board_info[] __initdata = {
	136	[0] = {
a524626b	137	.modalias = "lcd_mipid",
9b6553cd TL	138	.bus_num = 2,
	139	.chip_select = 3,
	140	.max_speed_hz = 12000000,
06767fb2	141	.platform_data = &nokia770_mipid_platform_data,
9b6553cd TL	142	},
	143	[1] = {
	144	.modalias = "ads7846",
	145	.bus_num = 2,
	146	.chip_select = 0,
	147	.max_speed_hz = 2500000,
	148	.irq = OMAP_GPIO_IRQ(15),
	149	.platform_data = &nokia770_ads7846_platform_data,
	150	},
	151	};
	152
088962c2 AQ	153	static struct hwa742_platform_data nokia770_hwa742_platform_data = {
	154	.te_connected = 1,
	155	};
	156
29ab3c77	157	static void __init hwa742_dev_init(void)
088962c2 AQ	158	{
	159	clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
	160	omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data);
	161	}
9b6553cd TL	162
	163	/* assume no Mini-AB port */
	164
	165	static struct omap_usb_config nokia770_usb_config __initdata = {
	166	.otg = 1,
	167	.register_host = 1,
	168	.register_dev = 1,
	169	.hmc_mode = 16,
	170	.pins[0] = 6,
	171	};
	172
d8874665 TL	173	#if defined(CONFIG_MMC_OMAP) \|\| defined(CONFIG_MMC_OMAP_MODULE)
	174
	175	#define NOKIA770_GPIO_MMC_POWER 41
	176	#define NOKIA770_GPIO_MMC_SWITCH 23
	177
	178	static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
	179	int vdd)
	180	{
bac5b29f	181	gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
d8874665 TL	182	return 0;
	183	}
	184
	185	static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
	186	{
	187	return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
	188	}
	189
	190	static struct omap_mmc_platform_data nokia770_mmc2_data = {
	191	.nr_slots = 1,
	192	.dma_mask = 0xffffffff,
e4d24ec3	193	.max_freq = 12000000,
d8874665 TL	194	.slots[0] = {
	195	.set_power = nokia770_mmc_set_power,
	196	.get_cover_state = nokia770_mmc_get_cover_state,
e4d24ec3	197	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
d8874665	198	.name = "mmcblk",
9b6553cd TL	199	},
	200	};
	201
d8874665 TL	202	static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
	203
	204	static void __init nokia770_mmc_init(void)
	205	{
	206	int ret;
	207
	208	ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
	209	if (ret < 0)
	210	return;
	211	gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
	212
	213	ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
	214	if (ret < 0) {
	215	gpio_free(NOKIA770_GPIO_MMC_POWER);
	216	return;
	217	}
	218	gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
	219
	220	/* Only the second MMC controller is used */
	221	nokia770_mmc_data[1] = &nokia770_mmc2_data;
	222	omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
	223	}
	224
	225	#else
	226	static inline void nokia770_mmc_init(void)
	227	{
	228	}
	229	#endif
	230
9b6553cd TL	231	static void __init omap_nokia770_init(void)
9b6553cd TL	232	{
7b88e62f TL	233	/* On Nokia 770, the SleepX signal is masked with an
	234	* MPUIO line by default. It has to be unmasked for it
	235	* to become functional */
	236
	237	/* SleepX mask direction */
	238	omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
	239	/* Unmask SleepX signal */
	240	omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
	241
9b6553cd TL	242	platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
	243	spi_register_board_info(nokia770_spi_board_info,
	244	ARRAY_SIZE(nokia770_spi_board_info));
9b6553cd	245	omap_serial_init();
1ed16a86	246	omap_register_i2c_bus(1, 100, NULL, 0);
088962c2	247	hwa742_dev_init();
06767fb2 ID	248	ads7846_dev_init();
06767fb2 ID	249	mipid_dev_init();
dd0cdd88	250	omap1_usb_init(&nokia770_usb_config);
d8874665	251	nokia770_mmc_init();
9b6553cd TL	252	}
9b6553cd TL	253
9b6553cd	254	MACHINE_START(NOKIA770, "Nokia 770")
246e389d	255	.atag_offset = 0x100,
7b88e62f TL	256	.map_io = omap16xx_map_io,
7b88e62f TL	257	.init_early = omap1_init_early,
71ee7dad	258	.reserve = omap_reserve,
7b88e62f	259	.init_irq = omap1_init_irq,
9b6553cd	260	.init_machine = omap_nokia770_init,
e74984e4	261	.timer = &omap1_timer,
baa95883	262	.restart = omap1_restart,
9b6553cd	263	MACHINE_END