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/*
* This defines the user led (output) and 4-keys gpio keyboard (input)
* Original code by Gregory Hermant
* Split to a standalone file by Alessandro Rubini
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/leds.h>
#include <plat/pincfg.h>
#include <plat/gpio.h>
#include "pins-db5500.h"
static pin_cfg_t snowball_pins[] = {
PIN_CFG(32, GPIO) | PIN_INPUT_PULLUP, /* led */
PIN_CFG(151, GPIO) | PIN_INPUT_PULLUP, /* button */
PIN_CFG(152, GPIO) | PIN_INPUT_PULLUP, /* button */
/* PIN_CFG(161, GPIO) | PIN_INPUT_PULLUP, button */
PIN_CFG(162, GPIO) | PIN_INPUT_PULLUP, /* button */
};
static struct gpio_led snowball_led_array[] = {
{
.name = "user_led",
.default_trigger = "none",
.gpio = 142,
},
};
static struct gpio_led_platform_data snowball_led_data = {
.leds = snowball_led_array,
.num_leds = ARRAY_SIZE(snowball_led_array),
};
static struct platform_device snowball_led_dev = {
.name = "leds-gpio",
.dev = {
.platform_data = &snowball_led_data,
},
};
static struct gpio_keys_button snowball_key_array[] = {
{
.gpio = 32,
.type = EV_KEY,
.code = KEY_1,
.desc = "userpb",
.active_low = 1,
.debounce_interval = 50,
.wakeup = 1,
},
{
.gpio = 151,
.type = EV_KEY,
.code = KEY_2,
.desc = "extkb1",
.active_low = 1,
.debounce_interval = 50,
.wakeup = 1,
},
{
.gpio = 152,
.type = EV_KEY,
.code = KEY_3,
.desc = "extkb2",
.active_low = 1,
.debounce_interval = 50,
.wakeup = 1,
},
/*
{
.gpio = 161,
.type = EV_KEY,
.code = KEY_4,
.desc = "extkb3",
.active_low = 1,
.debounce_interval = 50,
.wakeup = 1,
},
*/
{
.gpio = 162,
.type = EV_KEY,
.code = KEY_5,
.desc = "extkb4",
.active_low = 1,
.debounce_interval = 50,
.wakeup = 1,
},
};
static struct gpio_keys_platform_data snowball_key_data = {
.buttons = snowball_key_array,
.nbuttons = ARRAY_SIZE(snowball_key_array),
};
static struct platform_device snowball_key_dev = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &snowball_key_data,
}
};
static int snowball_digio_init(void)
{
nmk_config_pins(snowball_pins, ARRAY_SIZE(snowball_pins));
platform_device_register(&snowball_led_dev);
platform_device_register(&snowball_key_dev);
return 0;
}
module_init(snowball_digio_init);
/* no release function: I'm lazy at this point */
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