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/*
* arch/arm/mach-tegra/board-pluto-kbc.c
* Keys configuration for Nvidia tegra3 pluto platform.
*
* Copyright (C) 2012 NVIDIA, Inc.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307, USA
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <mach/io.h>
#include <mach/iomap.h>
#include <mach/kbc.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include "board.h"
#include "board-pluto.h"
#include "devices.h"
#define PLUTO_ROW_COUNT 3
#define PLUTO_COL_COUNT 3
static const u32 kbd_keymap[] = {
KEY(0, 0, KEY_POWER),
KEY(0, 1, KEY_VOLUMEUP),
KEY(0, 2, KEY_VOLUMEDOWN),
KEY(1, 0, KEY_SEARCH),
KEY(1, 1, KEY_CAMERA),
KEY(1, 2, KEY_CAMERA_FOCUS),
KEY(2, 0, KEY_HOME),
KEY(2, 1, KEY_BACK),
KEY(2, 2, KEY_MENU),
};
static const struct matrix_keymap_data keymap_data = {
.keymap = kbd_keymap,
.keymap_size = ARRAY_SIZE(kbd_keymap),
};
static struct tegra_kbc_wake_key pluto_wake_cfg[] = {
[0] = {
.row = 0,
.col = 0,
},
};
static struct tegra_kbc_platform_data pluto_kbc_platform_data = {
.debounce_cnt = 20 * 32, /* 20 ms debaunce time */
.repeat_cnt = 1,
.scan_count = 30,
.wakeup = true,
.keymap_data = &keymap_data,
.wake_cnt = 1,
.wake_cfg = &pluto_wake_cfg[0],
.wakeup_key = KEY_POWER,
#ifdef CONFIG_ANDROID
.disable_ev_rep = true,
#endif
};
static struct gpio_keys_button pluto_keys[] = {
[0] = {
.code = KEY_MUTE,
.gpio = TEGRA_GPIO_PI5,
.irq = -1,
.type = EV_KEY,
.desc = "RINGER",
.active_low = 0,
.wakeup = 0,
.debounce_interval = 100,
},
};
static struct gpio_keys_platform_data pluto_keys_pdata = {
.buttons = pluto_keys,
.nbuttons = ARRAY_SIZE(pluto_keys),
};
static struct platform_device pluto_keys_device = {
.name = "gpio-keys",
.id = 0,
.dev = {
.platform_data = &pluto_keys_pdata,
},
};
int __init pluto_kbc_init(void)
{
struct tegra_kbc_platform_data *data = &pluto_kbc_platform_data;
int i;
tegra_kbc_device.dev.platform_data = &pluto_kbc_platform_data;
pr_info("Registering tegra-kbc\n");
BUG_ON((KBC_MAX_ROW + KBC_MAX_COL) > KBC_MAX_GPIO);
for (i = 0; i < PLUTO_ROW_COUNT; i++) {
data->pin_cfg[i].num = i;
data->pin_cfg[i].type = PIN_CFG_ROW;
}
for (i = 0; i < PLUTO_COL_COUNT; i++) {
data->pin_cfg[i + KBC_PIN_GPIO_11].num = i;
data->pin_cfg[i + KBC_PIN_GPIO_11].type = PIN_CFG_COL;
}
platform_device_register(&tegra_kbc_device);
pr_info("Registering successful tegra-kbc\n");
platform_device_register(&pluto_keys_device);
pr_info("Registering successful gpio-keys\n");
return 0;
}
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