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/* linux/arch/arm/mach-exynos/board-smdk5250-input.c
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* 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/gpio_event.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <plat/gpio-cfg.h>
#include <plat/devs.h>
#include <plat/iic.h>
#include <mach/irqs.h>
#include "board-smdk5250.h"
static struct gpio_event_direct_entry smdk5250_keypad_key_map[] = {
{
.gpio = EXYNOS5_GPX0(0),
.code = KEY_POWER,
}
};
static struct gpio_event_input_info smdk5250_keypad_key_info = {
.info.func = gpio_event_input_func,
.info.no_suspend = true,
.debounce_time.tv64 = 5 * NSEC_PER_MSEC,
.type = EV_KEY,
.keymap = smdk5250_keypad_key_map,
.keymap_size = ARRAY_SIZE(smdk5250_keypad_key_map)
};
static struct gpio_event_info *smdk5250_input_info[] = {
&smdk5250_keypad_key_info.info,
};
static struct gpio_event_platform_data smdk5250_input_data = {
.names = {
"smdk5250-keypad",
NULL,
},
.info = smdk5250_input_info,
.info_count = ARRAY_SIZE(smdk5250_input_info),
};
static struct platform_device smdk5250_input_device = {
.name = GPIO_EVENT_DEV_NAME,
.id = 0,
.dev = {
.platform_data = &smdk5250_input_data,
},
};
static void __init smdk5250_gpio_power_init(void)
{
int err = 0;
err = gpio_request_one(EXYNOS5_GPX0(0), 0, "GPX0");
if (err) {
printk(KERN_ERR "failed to request GPX0 for "
"suspend/resume control\n");
return;
}
s3c_gpio_setpull(EXYNOS5_GPX0(0), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5_GPX0(0));
}
#ifdef CONFIG_WAKEUP_ASSIST
static struct platform_device wakeup_assist_device = {
.name = "wakeup_assist",
};
#endif
struct egalax_i2c_platform_data {
unsigned int gpio_int;
unsigned int gpio_en;
unsigned int gpio_rst;
};
static struct egalax_i2c_platform_data exynos5_egalax_data = {
.gpio_int = EXYNOS5_GPX3(1),
};
static struct i2c_board_info i2c_devs7[] __initdata = {
{
I2C_BOARD_INFO("egalax_i2c", 0x04),
.irq = IRQ_EINT(25),
.platform_data = &exynos5_egalax_data,
},
};
static struct platform_device *smdk5250_input_devices[] __initdata = {
&s3c_device_i2c7,
&smdk5250_input_device,
#ifdef CONFIG_WAKEUP_ASSIST
&wakeup_assist_device,
#endif
};
void __init exynos5_smdk5250_input_init(void)
{
s3c_i2c7_set_platdata(NULL);
i2c_register_board_info(7, i2c_devs7, ARRAY_SIZE(i2c_devs7));
smdk5250_gpio_power_init();
platform_add_devices(smdk5250_input_devices,
ARRAY_SIZE(smdk5250_input_devices));
}
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