[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap3evm.c

/*
 * linux/arch/arm/mach-omap2/board-omap3evm.c
 *
 * Copyright (C) 2008 Texas Instruments
 *
 * Modified from mach-omap2/board-3430sdp.c
 *
 * Initial code: Syed Mohammed Khasim
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/leds.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/i2c/twl4030.h>
#include <linux/usb/otg.h>

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

#include <mach/board.h>
#include <mach/mux.h>
#include <mach/usb.h>
#include <mach/common.h>
#include <mach/mcspi.h>
#include <mach/keypad.h>

#include "sdram-micron-mt46h32m32lf-6.h"
#include "mmc-twl4030.h"

#define OMAP3_EVM_TS_GPIO	175

#define OMAP3EVM_ETHR_START	0x2c000000
#define OMAP3EVM_ETHR_SIZE	1024
#define OMAP3EVM_ETHR_GPIO_IRQ	176
#define OMAP3EVM_SMC911X_CS	5

static struct resource omap3evm_smc911x_resources[] = {
	[0] =	{
		.start	= OMAP3EVM_ETHR_START,
		.end	= (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
		.flags	= IORESOURCE_MEM,
	},
	[1] =	{
		.start	= OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
		.end	= OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device omap3evm_smc911x_device = {
	.name		= "smc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(omap3evm_smc911x_resources),
	.resource	= &omap3evm_smc911x_resources[0],
};

static inline void __init omap3evm_init_smc911x(void)
{
	int eth_cs;
	struct clk *l3ck;
	unsigned int rate;

	eth_cs = OMAP3EVM_SMC911X_CS;

	l3ck = clk_get(NULL, "l3_ck");
	if (IS_ERR(l3ck))
		rate = 100000000;
	else
		rate = clk_get_rate(l3ck);

	if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
		printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
			OMAP3EVM_ETHR_GPIO_IRQ);
		return;
	}

	gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
}

static struct twl4030_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.wires		= 4,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= 63,
	},
	{}	/* Terminator */
};

static struct gpio_led gpio_leds[] = {
	{
		.name			= "omap3evm::ledb",
		/* normally not visible (board underside) */
		.default_trigger	= "default-on",
		.gpio			= -EINVAL,	/* gets replaced */
		.active_low		= true,
	},
};

static struct gpio_led_platform_data gpio_led_info = {
	.leds		= gpio_leds,
	.num_leds	= ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds_gpio = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &gpio_led_info,
	},
};


static int omap3evm_twl_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	omap_cfg_reg(L8_34XX_GPIO63);
	mmc[0].gpio_cd = gpio + 0;
	twl4030_mmc_init(mmc);

	/*
	 * Most GPIOs are for USB OTG.  Some are mostly sent to
	 * the P2 connector; notably LEDA for the LCD backlight.
	 */

	/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;

	platform_device_register(&leds_gpio);

	return 0;
}

static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
	.irq_base	= TWL4030_GPIO_IRQ_BASE,
	.irq_end	= TWL4030_GPIO_IRQ_END,
	.use_leds	= true,
	.setup		= omap3evm_twl_gpio_setup,
};

static struct twl4030_usb_data omap3evm_usb_data = {
	.usb_mode	= T2_USB_MODE_ULPI,
};

static int board_keymap[] = {
	KEY(0, 0, KEY_LEFT),
	KEY(0, 1, KEY_RIGHT),
	KEY(0, 2, KEY_A),
	KEY(0, 3, KEY_B),
	KEY(1, 0, KEY_DOWN),
	KEY(1, 1, KEY_UP),
	KEY(1, 2, KEY_E),
	KEY(1, 3, KEY_F),
	KEY(2, 0, KEY_ENTER),
	KEY(2, 1, KEY_I),
	KEY(2, 2, KEY_J),
	KEY(2, 3, KEY_K),
	KEY(3, 0, KEY_M),
	KEY(3, 1, KEY_N),
	KEY(3, 2, KEY_O),
	KEY(3, 3, KEY_P)
};

static struct matrix_keymap_data board_map_data = {
	.keymap			= board_keymap,
	.keymap_size		= ARRAY_SIZE(board_keymap),
};

static struct twl4030_keypad_data omap3evm_kp_data = {
	.keymap_data	= &board_map_data,
	.rows		= 4,
	.cols		= 4,
	.rep		= 1,
};

static struct twl4030_madc_platform_data omap3evm_madc_data = {
	.irq_line	= 1,
};

static struct twl4030_platform_data omap3evm_twldata = {
	.irq_base	= TWL4030_IRQ_BASE,
	.irq_end	= TWL4030_IRQ_END,

	/* platform_data for children goes here */
	.keypad		= &omap3evm_kp_data,
	.madc		= &omap3evm_madc_data,
	.usb		= &omap3evm_usb_data,
	.gpio		= &omap3evm_gpio_data,
};

static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
	{
		I2C_BOARD_INFO("twl4030", 0x48),
		.flags = I2C_CLIENT_WAKE,
		.irq = INT_34XX_SYS_NIRQ,
		.platform_data = &omap3evm_twldata,
	},
};

static int __init omap3_evm_i2c_init(void)
{
	omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
			ARRAY_SIZE(omap3evm_i2c_boardinfo));
	omap_register_i2c_bus(2, 400, NULL, 0);
	omap_register_i2c_bus(3, 400, NULL, 0);
	return 0;
}

static struct platform_device omap3_evm_lcd_device = {
	.name		= "omap3evm_lcd",
	.id		= -1,
};

static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static void ads7846_dev_init(void)
{
	if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
		printk(KERN_ERR "can't get ads7846 pen down GPIO\n");

	gpio_direction_input(OMAP3_EVM_TS_GPIO);

	omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
	omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
}

static int ads7846_get_pendown_state(void)
{
	return !gpio_get_value(OMAP3_EVM_TS_GPIO);
}

struct ads7846_platform_data ads7846_config = {
	.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,
	.keep_vref_on		= 1,
	.settle_delay_usecs	= 150,
};

static struct omap2_mcspi_device_config ads7846_mcspi_config = {
	.turbo_mode	= 0,
	.single_channel	= 1,	/* 0: slave, 1: master */
};

struct spi_board_info omap3evm_spi_board_info[] = {
	[0] = {
		.modalias		= "ads7846",
		.bus_num		= 1,
		.chip_select		= 0,
		.max_speed_hz		= 1500000,
		.controller_data	= &ads7846_mcspi_config,
		.irq			= OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
		.platform_data		= &ads7846_config,
	},
};

static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
	{ OMAP_TAG_LCD,		&omap3_evm_lcd_config },
};

static void __init omap3_evm_init_irq(void)
{
	omap_board_config = omap3_evm_config;
	omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
	omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
	omap_init_irq();
	omap_gpio_init();
	omap3evm_init_smc911x();
}

static struct platform_device *omap3_evm_devices[] __initdata = {
	&omap3_evm_lcd_device,
	&omap3evm_smc911x_device,
};

static void __init omap3_evm_init(void)
{
	omap3_evm_i2c_init();

	platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));

	spi_register_board_info(omap3evm_spi_board_info,
				ARRAY_SIZE(omap3evm_spi_board_info));

	omap_serial_init();
#ifdef CONFIG_NOP_USB_XCEIV
	/* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
	usb_nop_xceiv_register();
#endif
	usb_musb_init();
	ads7846_dev_init();
}

static void __init omap3_evm_map_io(void)
{
	omap2_set_globals_343x();
	omap2_map_common_io();
}

MACHINE_START(OMAP3EVM, "OMAP3 EVM")
	/* Maintainer: Syed Mohammed Khasim - Texas Instruments */
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= omap3_evm_map_io,
	.init_irq	= omap3_evm_init_irq,
	.init_machine	= omap3_evm_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
53c5ec31 SMK	1	/*
	2	* linux/arch/arm/mach-omap2/board-omap3evm.c
	3	*
	4	* Copyright (C) 2008 Texas Instruments
	5	*
	6	* Modified from mach-omap2/board-3430sdp.c
	7	*
	8	* Initial code: Syed Mohammed Khasim
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2 as
	12	* published by the Free Software Foundation.
	13	*/
	14
	15	#include <linux/kernel.h>
	16	#include <linux/init.h>
	17	#include <linux/platform_device.h>
	18	#include <linux/delay.h>
	19	#include <linux/err.h>
	20	#include <linux/clk.h>
	21	#include <linux/gpio.h>
	22	#include <linux/input.h>
	23	#include <linux/leds.h>
	24
	25	#include <linux/spi/spi.h>
	26	#include <linux/spi/ads7846.h>
	27	#include <linux/i2c/twl4030.h>
e8e2ff46	28	#include <linux/usb/otg.h>
53c5ec31 SMK	29
	30	#include <mach/hardware.h>
	31	#include <asm/mach-types.h>
	32	#include <asm/mach/arch.h>
	33	#include <asm/mach/map.h>
	34
	35	#include <mach/board.h>
	36	#include <mach/mux.h>
	37	#include <mach/usb.h>
	38	#include <mach/common.h>
	39	#include <mach/mcspi.h>
	40	#include <mach/keypad.h>
	41
	42	#include "sdram-micron-mt46h32m32lf-6.h"
	43	#include "mmc-twl4030.h"
	44
	45	#define OMAP3_EVM_TS_GPIO 175
	46
	47	#define OMAP3EVM_ETHR_START 0x2c000000
	48	#define OMAP3EVM_ETHR_SIZE 1024
	49	#define OMAP3EVM_ETHR_GPIO_IRQ 176
	50	#define OMAP3EVM_SMC911X_CS 5
	51
	52	static struct resource omap3evm_smc911x_resources[] = {
	53	[0] = {
	54	.start = OMAP3EVM_ETHR_START,
	55	.end = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
	56	.flags = IORESOURCE_MEM,
	57	},
	58	[1] = {
	59	.start = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
	60	.end = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
	61	.flags = IORESOURCE_IRQ,
	62	},
	63	};
	64
	65	static struct platform_device omap3evm_smc911x_device = {
	66	.name = "smc911x",
	67	.id = -1,
	68	.num_resources = ARRAY_SIZE(omap3evm_smc911x_resources),
	69	.resource = &omap3evm_smc911x_resources[0],
	70	};
	71
	72	static inline void __init omap3evm_init_smc911x(void)
	73	{
	74	int eth_cs;
	75	struct clk *l3ck;
	76	unsigned int rate;
	77
	78	eth_cs = OMAP3EVM_SMC911X_CS;
	79
	80	l3ck = clk_get(NULL, "l3_ck");
	81	if (IS_ERR(l3ck))
	82	rate = 100000000;
	83	else
	84	rate = clk_get_rate(l3ck);
	85
	86	if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
	87	printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
	88	OMAP3EVM_ETHR_GPIO_IRQ);
	89	return;
	90	}
	91
	92	gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
93	}
94
53c5ec31 SMK	95	static struct twl4030_hsmmc_info mmc[] = {
	96	{
	97	.mmc = 1,
	98	.wires = 4,
	99	.gpio_cd = -EINVAL,
	100	.gpio_wp = 63,
	101	},
	102	{} /* Terminator */
	103	};
	104
	105	static struct gpio_led gpio_leds[] = {
	106	{
	107	.name = "omap3evm::ledb",
	108	/* normally not visible (board underside) */
	109	.default_trigger = "default-on",
	110	.gpio = -EINVAL, /* gets replaced */
	111	.active_low = true,
	112	},
	113	};
	114
	115	static struct gpio_led_platform_data gpio_led_info = {
	116	.leds = gpio_leds,
	117	.num_leds = ARRAY_SIZE(gpio_leds),
	118	};
	119
	120	static struct platform_device leds_gpio = {
	121	.name = "leds-gpio",
	122	.id = -1,
	123	.dev = {
	124	.platform_data = &gpio_led_info,
	125	},
	126	};
	127
	128
	129	static int omap3evm_twl_gpio_setup(struct device *dev,
	130	unsigned gpio, unsigned ngpio)
	131	{
	132	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	133	omap_cfg_reg(L8_34XX_GPIO63);
	134	mmc[0].gpio_cd = gpio + 0;
	135	twl4030_mmc_init(mmc);
	136
	137	/*
	138	* Most GPIOs are for USB OTG. Some are mostly sent to
	139	* the P2 connector; notably LEDA for the LCD backlight.
	140	*/
	141
	142	/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
	143	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
	144
	145	platform_device_register(&leds_gpio);
	146
	147	return 0;
	148	}
	149
	150	static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
	151	.gpio_base = OMAP_MAX_GPIO_LINES,
	152	.irq_base = TWL4030_GPIO_IRQ_BASE,
	153	.irq_end = TWL4030_GPIO_IRQ_END,
	154	.use_leds = true,
	155	.setup = omap3evm_twl_gpio_setup,
	156	};
	157
	158	static struct twl4030_usb_data omap3evm_usb_data = {
159	.usb_mode = T2_USB_MODE_ULPI,
160	};
161
4f543332	162	static int board_keymap[] = {
53c5ec31 SMK	163	KEY(0, 0, KEY_LEFT),
	164	KEY(0, 1, KEY_RIGHT),
	165	KEY(0, 2, KEY_A),
	166	KEY(0, 3, KEY_B),
	167	KEY(1, 0, KEY_DOWN),
	168	KEY(1, 1, KEY_UP),
	169	KEY(1, 2, KEY_E),
	170	KEY(1, 3, KEY_F),
	171	KEY(2, 0, KEY_ENTER),
	172	KEY(2, 1, KEY_I),
	173	KEY(2, 2, KEY_J),
	174	KEY(2, 3, KEY_K),
	175	KEY(3, 0, KEY_M),
	176	KEY(3, 1, KEY_N),
	177	KEY(3, 2, KEY_O),
	178	KEY(3, 3, KEY_P)
	179	};
	180
4f543332 TL	181	static struct matrix_keymap_data board_map_data = {
	182	.keymap = board_keymap,
	183	.keymap_size = ARRAY_SIZE(board_keymap),
	184	};
	185
53c5ec31	186	static struct twl4030_keypad_data omap3evm_kp_data = {
4f543332	187	.keymap_data = &board_map_data,
53c5ec31 SMK	188	.rows = 4,
53c5ec31 SMK	189	.cols = 4,
53c5ec31 SMK	190	.rep = 1,
	191	};
	192
	193	static struct twl4030_madc_platform_data omap3evm_madc_data = {
	194	.irq_line = 1,
	195	};
	196
	197	static struct twl4030_platform_data omap3evm_twldata = {
	198	.irq_base = TWL4030_IRQ_BASE,
	199	.irq_end = TWL4030_IRQ_END,
	200
	201	/* platform_data for children goes here */
	202	.keypad = &omap3evm_kp_data,
	203	.madc = &omap3evm_madc_data,
	204	.usb = &omap3evm_usb_data,
	205	.gpio = &omap3evm_gpio_data,
	206	};
	207
	208	static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
	209	{
	210	I2C_BOARD_INFO("twl4030", 0x48),
	211	.flags = I2C_CLIENT_WAKE,
	212	.irq = INT_34XX_SYS_NIRQ,
	213	.platform_data = &omap3evm_twldata,
	214	},
	215	};
	216
	217	static int __init omap3_evm_i2c_init(void)
	218	{
	219	omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
	220	ARRAY_SIZE(omap3evm_i2c_boardinfo));
	221	omap_register_i2c_bus(2, 400, NULL, 0);
	222	omap_register_i2c_bus(3, 400, NULL, 0);
	223	return 0;
	224	}
	225
	226	static struct platform_device omap3_evm_lcd_device = {
	227	.name = "omap3evm_lcd",
	228	.id = -1,
	229	};
	230
	231	static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
	232	.ctrl_name = "internal",
	233	};
	234
	235	static void ads7846_dev_init(void)
	236	{
	237	if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
	238	printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
	239
	240	gpio_direction_input(OMAP3_EVM_TS_GPIO);
	241
	242	omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
	243	omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
	244	}
	245
	246	static int ads7846_get_pendown_state(void)
	247	{
	248	return !gpio_get_value(OMAP3_EVM_TS_GPIO);
	249	}
	250
	251	struct ads7846_platform_data ads7846_config = {
	252	.x_max = 0x0fff,
	253	.y_max = 0x0fff,
254	.x_plate_ohms = 180,
255	.pressure_max = 255,
256	.debounce_max = 10,
257	.debounce_tol = 3,
258	.debounce_rep = 1,
259	.get_pendown_state = ads7846_get_pendown_state,
260	.keep_vref_on = 1,
261	.settle_delay_usecs = 150,
262	};
263
264	static struct omap2_mcspi_device_config ads7846_mcspi_config = {
265	.turbo_mode = 0,
266	.single_channel = 1, /* 0: slave, 1: master */
267	};
268
269	struct spi_board_info omap3evm_spi_board_info[] = {
270	[0] = {
271	.modalias = "ads7846",
272	.bus_num = 1,
273	.chip_select = 0,
274	.max_speed_hz = 1500000,
275	.controller_data = &ads7846_mcspi_config,
276	.irq = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
277	.platform_data = &ads7846_config,
278	},
279	};
280
b3c6df3a PW	281	static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
	282	{ OMAP_TAG_LCD, &omap3_evm_lcd_config },
	283	};
	284
53c5ec31 SMK	285	static void __init omap3_evm_init_irq(void)
53c5ec31 SMK	286	{
b3c6df3a PW	287	omap_board_config = omap3_evm_config;
b3c6df3a PW	288	omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
58cda884	289	omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
53c5ec31 SMK	290	omap_init_irq();
	291	omap_gpio_init();
	292	omap3evm_init_smc911x();
	293	}
	294
53c5ec31 SMK	295	static struct platform_device *omap3_evm_devices[] __initdata = {
	296	&omap3_evm_lcd_device,
	297	&omap3evm_smc911x_device,
	298	};
	299
	300	static void __init omap3_evm_init(void)
	301	{
	302	omap3_evm_i2c_init();
	303
	304	platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
53c5ec31 SMK	305
	306	spi_register_board_info(omap3evm_spi_board_info,
	307	ARRAY_SIZE(omap3evm_spi_board_info));
	308
	309	omap_serial_init();
e8e2ff46 GAK	310	#ifdef CONFIG_NOP_USB_XCEIV
	311	/* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
	312	usb_nop_xceiv_register();
	313	#endif
53c5ec31 SMK	314	usb_musb_init();
	315	ads7846_dev_init();
	316	}
	317
	318	static void __init omap3_evm_map_io(void)
	319	{
	320	omap2_set_globals_343x();
	321	omap2_map_common_io();
	322	}
	323
	324	MACHINE_START(OMAP3EVM, "OMAP3 EVM")
	325	/* Maintainer: Syed Mohammed Khasim - Texas Instruments */
	326	.phys_io = 0x48000000,
b4224b23	327	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
53c5ec31 SMK	328	.boot_params = 0x80000100,
	329	.map_io = omap3_evm_map_io,
	330	.init_irq = omap3_evm_init_irq,
	331	.init_machine = omap3_evm_init,
	332	.timer = &omap_timer,
	333	MACHINE_END