path: root/arch/arm/mach-omap2/board-3430sdp.c

/*
 * linux/arch/arm/mach-omap2/board-3430sdp.c
 *
 * Copyright (C) 2007 Texas Instruments
 *
 * Modified from mach-omap2/board-generic.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/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/mmc/host.h>

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

#include <plat/mcspi.h>
#include <plat/board.h>
#include <plat/usb.h>
#include <plat/common.h>
#include <plat/dma.h>
#include <plat/gpmc.h>
#include <plat/display.h>
#include <plat/panel-generic-dpi.h>

#include <plat/gpmc-smc91x.h>

#include "board-flash.h"
#include "mux.h"
#include "sdram-qimonda-hyb18m512160af-6.h"
#include "hsmmc.h"
#include "pm.h"
#include "control.h"

#define CONFIG_DISABLE_HFCLK 1

#define SDP3430_TS_GPIO_IRQ_SDPV1	3
#define SDP3430_TS_GPIO_IRQ_SDPV2	2

#define ENABLE_VAUX3_DEDICATED	0x03
#define ENABLE_VAUX3_DEV_GRP	0x20

#define TWL4030_MSECURE_GPIO 22

/* FIXME: These values need to be updated based on more profiling on 3430sdp*/
static struct cpuidle_params omap3_cpuidle_params_table[] = {
	/* C1 */
	{1, 2, 2, 5},
	/* C2 */
	{1, 10, 10, 30},
	/* C3 */
	{1, 50, 50, 300},
	/* C4 */
	{1, 1500, 1800, 4000},
	/* C5 */
	{1, 2500, 7500, 12000},
	/* C6 */
	{1, 3000, 8500, 15000},
	/* C7 */
	{1, 10000, 30000, 300000},
};

static uint32_t board_keymap[] = {
	KEY(0, 0, KEY_LEFT),
	KEY(0, 1, KEY_RIGHT),
	KEY(0, 2, KEY_A),
	KEY(0, 3, KEY_B),
	KEY(0, 4, KEY_C),
	KEY(1, 0, KEY_DOWN),
	KEY(1, 1, KEY_UP),
	KEY(1, 2, KEY_E),
	KEY(1, 3, KEY_F),
	KEY(1, 4, KEY_G),
	KEY(2, 0, KEY_ENTER),
	KEY(2, 1, KEY_I),
	KEY(2, 2, KEY_J),
	KEY(2, 3, KEY_K),
	KEY(2, 4, KEY_3),
	KEY(3, 0, KEY_M),
	KEY(3, 1, KEY_N),
	KEY(3, 2, KEY_O),
	KEY(3, 3, KEY_P),
	KEY(3, 4, KEY_Q),
	KEY(4, 0, KEY_R),
	KEY(4, 1, KEY_4),
	KEY(4, 2, KEY_T),
	KEY(4, 3, KEY_U),
	KEY(4, 4, KEY_D),
	KEY(5, 0, KEY_V),
	KEY(5, 1, KEY_W),
	KEY(5, 2, KEY_L),
	KEY(5, 3, KEY_S),
	KEY(5, 4, KEY_H),
	0
};

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

static struct twl4030_keypad_data sdp3430_kp_data = {
	.keymap_data	= &board_map_data,
	.rows		= 5,
	.cols		= 6,
	.rep		= 1,
};

static int ts_gpio;	/* Needed for ads7846_get_pendown_state */

/**
 * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
 *
 * @return - void. If request gpio fails then Flag KERN_ERR.
 */
static void ads7846_dev_init(void)
{
	if (gpio_request(ts_gpio, "ADS7846 pendown") < 0) {
		printk(KERN_ERR "can't get ads746 pen down GPIO\n");
		return;
	}

	gpio_direction_input(ts_gpio);
	gpio_set_debounce(ts_gpio, 310);
}

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

static struct ads7846_platform_data tsc2046_config __initdata = {
	.get_pendown_state	= ads7846_get_pendown_state,
	.keep_vref_on		= 1,
	.wakeup				= true,
};


static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
	.turbo_mode	= 0,
	.single_channel	= 1,	/* 0: slave, 1: master */
};

static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
	[0] = {
		/*
		 * TSC2046 operates at a max freqency of 2MHz, so
		 * operate slightly below at 1.5MHz
		 */
		.modalias		= "ads7846",
		.bus_num		= 1,
		.chip_select		= 0,
		.max_speed_hz		= 1500000,
		.controller_data	= &tsc2046_mcspi_config,
		.irq			= 0,
		.platform_data		= &tsc2046_config,
	},
};


#define SDP3430_LCD_PANEL_BACKLIGHT_GPIO	8
#define SDP3430_LCD_PANEL_ENABLE_GPIO		5

static unsigned backlight_gpio;
static unsigned enable_gpio;
static int lcd_enabled;
static int dvi_enabled;

static void<