1. 根目录:
2. arch
3. arm
4. mach-ux500
5. board-mop500-u8500uib.c

/*
 * Copyright (C) ST-Ericsson SA 2010
 *
 * Board data for the U8500 UIB, also known as the New UIB
 * License terms: GNU General Public License (GPL), version 2
 */
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/mfd/tc3589x.h>
#include <linux/input/matrix_keypad.h>

#include "irqs.h"

#include "board-mop500.h"

static struct i2c_board_info __initdata mop500_i2c3_devices_u8500[] = {
	{
		I2C_BOARD_INFO("synaptics_rmi4_i2c", 0x4B),
		.irq = NOMADIK_GPIO_TO_IRQ(84),
	},
};

/*
 * TC35893
 */
static const unsigned int u8500_keymap[] = {
	KEY(3, 1, KEY_END),
	KEY(4, 1, KEY_POWER),
	KEY(6, 4, KEY_VOLUMEDOWN),
	KEY(4, 2, KEY_EMAIL),
	KEY(3, 3, KEY_RIGHT),
	KEY(2, 5, KEY_BACKSPACE),

	KEY(6, 7, KEY_MENU),
	KEY(5, 0, KEY_ENTER),
	KEY(4, 3, KEY_0),
	KEY(3, 4, KEY_DOT),
	KEY(5, 2, KEY_UP),
	KEY(3, 5, KEY_DOWN),

	KEY(4, 5, KEY_SEND),
	KEY(0, 5, KEY_BACK),
	KEY(6, 2, KEY_VOLUMEUP),
	KEY(1, 3, KEY_SPACE),
	KEY(7, 6, KEY_LEFT),
	KEY(5, 5, KEY_SEARCH),
};

static struct matrix_keymap_data u8500_keymap_data = {
	.keymap		= u8500_keymap,
	.keymap_size    = ARRAY_SIZE(u8500_keymap),
};

static struct tc3589x_keypad_platform_data tc35893_data = {
	.krow = TC_KPD_ROWS,
	.kcol = TC_KPD_COLUMNS,
	.debounce_period = TC_KPD_DEBOUNCE_PERIOD,
	.settle_time = TC_KPD_SETTLE_TIME,
	.irqtype = IRQF_TRIGGER_FALLING,
	.enable_wakeup = true,
	.keymap_data    = &u8500_keymap_data,
	.no_autorepeat  = true,
};

static struct tc3589x_platform_data tc3589x_keypad_data = {
	.block = TC3589x_BLOCK_KEYPAD,
	.keypad = &tc35893_data,
	.irq_base = MOP500_EGPIO_IRQ_BASE,
};

static struct i2c_board_info __initdata mop500_i2c0_devices_u8500[] = {
	{
		I2C_BOARD_INFO("tc3589x", 0x44),
		.platform_data = &tc3589x_keypad_data,
		.irq = NOMADIK_GPIO_TO_IRQ(218),
		.flags = I2C_CLIENT_WAKE,
	},
};


void __init mop500_u8500uib_init(void)
{
	mop500_uib_i2c_add(3, mop500_i2c3_devices_u8500,
			ARRAY_SIZE(mop500_i2c3_devices_u8500));

	mop500_uib_i2c_add(0, mop500_i2c0_devices_u8500,
			ARRAY_SIZE(mop500_i2c0_devices_u8500));

}