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/*
* Copyright (C) ST-Ericsson SA 2010
*
* License Terms: GNU General Public License v2
*
* Keypad layouts for various boards
*/
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/mfd/stmpe.h>
#include <linux/input/matrix_keypad.h>
#include <plat/pincfg.h>
#include <plat/ske.h>
#include <mach/devices.h>
#include <mach/hardware.h>
#include "devices-db8500.h"
#include "board-mop500.h"
/* STMPE/SKE keypad use this key layout */
static const unsigned int mop500_keymap[] = {
KEY(2, 5, KEY_END),
KEY(4, 1, KEY_POWER),
KEY(3, 5, KEY_VOLUMEDOWN),
KEY(1, 3, KEY_3),
KEY(5, 2, KEY_RIGHT),
KEY(5, 0, KEY_9),
KEY(0, 5, KEY_MENU),
KEY(7, 6, KEY_ENTER),
KEY(4, 5, KEY_0),
KEY(6, 7, KEY_2),
KEY(3, 4, KEY_UP),
KEY(3, 3, KEY_DOWN),
KEY(6, 4, KEY_SEND),
KEY(6, 2, KEY_BACK),
KEY(4, 2, KEY_VOLUMEUP),
KEY(5, 5, KEY_1),
KEY(4, 3, KEY_LEFT),
KEY(3, 2, KEY_7),
};
static const struct matrix_keymap_data mop500_keymap_data = {
.keymap = mop500_keymap,
.keymap_size = ARRAY_SIZE(mop500_keymap),
};
/*
* Nomadik SKE keypad
*/
#define ROW_PIN_I0 164
#define ROW_PIN_I1 163
#define ROW_PIN_I2 162
#define ROW_PIN_I3 161
#define ROW_PIN_I4 156
#define ROW_PIN_I5 155
#define ROW_PIN_I6 154
#define ROW_PIN_I7 153
#define COL_PIN_O0 168
#define COL_PIN_O1 167
#define COL_PIN_O2 166
#define COL_PIN_O3 165
#define COL_PIN_O4 160
#define COL_PIN_O5 159
#define COL_PIN_O6 158
#define COL_PIN_O7 157
#define SKE_KPD_MAX_ROWS 8
#define SKE_KPD_MAX_COLS 8
static int ske_kp_rows[] = {
ROW_PIN_I0, ROW_PIN_I1, ROW_PIN_I2, ROW_PIN_I3,
ROW_PIN_I4, ROW_PIN_I5, ROW_PIN_I6, ROW_PIN_I7,
};
/*
* ske_set_gpio_row: request and set gpio rows
*/
static int ske_set_gpio_row(int gpio)
{
int ret;
ret = gpio_request(gpio, "ske-kp");
if (ret < 0) {
pr_err("ske_set_gpio_row: gpio request failed\n");
return ret;
}
ret = gpio_direction_output(gpio, 1);
if (ret < 0) {
pr_err("ske_set_gpio_row: gpio direction failed\n");
gpio_free(gpio);
}
return ret;
}
/*
* ske_kp_init - enable the gpio configuration
*/
static int ske_kp_init(void)
{
int ret, i;
for (i = 0; i < SKE_KPD_MAX_ROWS; i++) {
ret = ske_set_gpio_row(ske_kp_rows[i]);
if (ret < 0) {
pr_err("ske_kp_init: failed init\n");
return ret;
}
}
return 0;
}
static struct ske_keypad_platform_data ske_keypad_board = {
.init = ske_kp_init,
.keymap_data = &mop500_keymap_data,
.no_autorepeat = true,
.krow = SKE_KPD_MAX_ROWS, /* 8x8 matrix */
.kcol = SKE_KPD_MAX_COLS,
.debounce_ms = 40, /* in millisecs */
};
void mop500_keypad_init(void)
{
db8500_add_ske_keypad(&ske_keypad_board);
}
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