#include <linux/input/matrix_keypad.h>

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
static uint32_t board_keymap[] = {
    KEY(0, 0, KEY_NUMERIC_1),
    KEY(0, 1, KEY_NUMERIC_2),
    KEY(0, 2, KEY_NUMERIC_3),

    KEY(1, 0, KEY_NUMERIC_4),
    KEY(1, 1, KEY_NUMERIC_5),
    KEY(1, 2, KEY_NUMERIC_6),

    KEY(2, 0, KEY_NUMERIC_7),
    KEY(2, 1, KEY_NUMERIC_8),
    KEY(2, 2, KEY_NUMERIC_9),

    KEY(3, 0, KEY_NUMERIC_STAR),
    KEY(3, 1, KEY_NUMERIC_9),
    KEY(3, 2, KEY_NUMERIC_POUND),
};

static const uint32_t bone_row_gpios[] =
        { 12, 17, 91, 34, 36, 38, 39 };
static const uint32_t bone_col_gpios[] =
        { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };

static struct matrix_keymap_data board_map_data = {
    .keymap         = board_keymap,
    .keymap_size        = ARRAY_SIZE(board_keymap),
};


static struct matrix_keypad_platform_data bone_mkp_pdata = {
    .keymap_data        = &matrix_keymap_data,
    .row_gpios      = bone_row_gpios,
    .col_gpios      = bone_col_gpios,
    .num_row_gpios      = ARRAY_SIZE(bone_row_gpios),
    .num_col_gpios      = ARRAY_SIZE(bone_col_gpios),
    .col_scan_delay_us  = 10,
    .debounce_ms        = 10,
};

static struct platform_device bone_mkp_device = {
    .name       = "matrix-keypad",
    .id     = -1,
    .dev        = {
        .platform_data  = &bone_mkp_pdata,
    },
};

static void __init bone_mkp_init(void)
{
    platform_device_register(&bone_mkp_device);
}
#else
static inline void bone_mkp_init(void) {}
#endif


static void __init bone_mkp_init(void)
{
    platform_device_register(&bone_mkp_device);
}
#else
static inline void bone_mkp_init(void) {}
#endif



//init: bone_mkp_init();