[ARM] pxa/corgi: make use of GPIO based matrix keypad driver

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 130 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 39a94585f97b..0ff5ed80936f 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -29,6 +29,7 @@
 #include <linux/spi/ads7846.h>
 #include <linux/spi/corgi_lcd.h>
 #include <linux/mtd/sharpsl.h>
+#include <linux/input/matrix_keypad.h>
 #include <video/w100fb.h>
 
 #include <asm/setup.h>
@@ -104,6 +105,28 @@ static unsigned long corgi_pin_config[] __initdata = {
         GPIO6_MMC_CLK,
         GPIO8_MMC_CS0,
 
+        /* GPIO Matrix Keypad */
+        GPIO66_GPIO,    /* column 0 */
+        GPIO67_GPIO,    /* column 1 */
+        GPIO68_GPIO,    /* column 2 */
+        GPIO69_GPIO,    /* column 3 */
+        GPIO70_GPIO,    /* column 4 */
+        GPIO71_GPIO,    /* column 5 */
+        GPIO72_GPIO,    /* column 6 */
+        GPIO73_GPIO,    /* column 7 */
+        GPIO74_GPIO,    /* column 8 */
+        GPIO75_GPIO,    /* column 9 */
+        GPIO76_GPIO,    /* column 10 */
+        GPIO77_GPIO,    /* column 11 */
+        GPIO58_GPIO,    /* row 0 */
+        GPIO59_GPIO,    /* row 1 */
+        GPIO60_GPIO,    /* row 2 */
+        GPIO61_GPIO,    /* row 3 */
+        GPIO62_GPIO,    /* row 4 */
+        GPIO63_GPIO,    /* row 5 */
+        GPIO64_GPIO,    /* row 6 */
+        GPIO65_GPIO,    /* row 7 */
+
         /* GPIO */
         GPIO9_GPIO,     /* CORGI_GPIO_nSD_DETECT */
         GPIO7_GPIO,     /* CORGI_GPIO_nSD_WP */
@@ -267,9 +290,115 @@ static struct platform_device corgifb_device = {
 /*
  * Corgi Keyboard Device
  */
+#define CORGI_KEY_CALENDER      KEY_F1
+#define CORGI_KEY_ADDRESS       KEY_F2
+#define CORGI_KEY_FN            KEY_F3
+#define CORGI_KEY_CANCEL        KEY_F4
+#define CORGI_KEY_OFF           KEY_SUSPEND
+#define CORGI_KEY_EXOK          KEY_F5
+#define CORGI_KEY_EXCANCEL      KEY_F6
+#define CORGI_KEY_EXJOGDOWN     KEY_F7
+#define CORGI_KEY_EXJOGUP       KEY_F8
+#define CORGI_KEY_JAP1          KEY_LEFTCTRL
+#define CORGI_KEY_JAP2          KEY_LEFTALT
+#define CORGI_KEY_MAIL          KEY_F10
+#define CORGI_KEY_OK            KEY_F11
+#define CORGI_KEY_MENU          KEY_F12
+
+static const uint32_t corgikbd_keymap[] = {
+        KEY(0, 1, KEY_1),
+        KEY(0, 2, KEY_3),
+        KEY(0, 3, KEY_5),
+        KEY(0, 4, KEY_6),
+        KEY(0, 5, KEY_7),
+        KEY(0, 6, KEY_9),
+        KEY(0, 7, KEY_0),
+        KEY(0, 8, KEY_BACKSPACE),
+        KEY(1, 1, KEY_2),
+        KEY(1, 2, KEY_4),
+        KEY(1, 3, KEY_R),
+        KEY(1, 4, KEY_Y),
+        KEY(1, 5, KEY_8),
+        KEY(1, 6, KEY_I),
+        KEY(1, 7, KEY_O),
+        KEY(1, 8, KEY_P),
+        KEY(2, 0, KEY_TAB),
+        KEY(2, 1, KEY_Q),
+        KEY(2, 2, KEY_E),
+        KEY(2, 3, KEY_T),
+        KEY(2, 4, KEY_G),
+        KEY(2, 5, KEY_U),
+        KEY(2, 6, KEY_J),
+        KEY(2, 7, KEY_K),
+        KEY(3, 0, CORGI_KEY_CALENDER),
+        KEY(3, 1, KEY_W),
+        KEY(3, 2, KEY_S),
+        KEY(3, 3, KEY_F),
+        KEY(3, 4, KEY_V),
+        KEY(3, 5, KEY_H),
+        KEY(3, 6, KEY_M),
+        KEY(3, 7, KEY_L),
+        KEY(3, 9, KEY_RIGHTSHIFT),
+        KEY(4, 0, CORGI_KEY_ADDRESS),
+        KEY(4, 1, KEY_A),
+        KEY(4, 2, KEY_D),
+        KEY(4, 3, KEY_C),
+        KEY(4, 4, KEY_B),
+        KEY(4, 5, KEY_N),
+        KEY(4, 6, KEY_DOT),
+        KEY(4, 8, KEY_ENTER),
+        KEY(4, 10, KEY_LEFTSHIFT),
+        KEY(5, 0, CORGI_KEY_MAIL),
+        KEY(5, 1, KEY_Z),
+        KEY(5, 2, KEY_X),
+        KEY(5, 3, KEY_MINUS),
+        KEY(5, 4, KEY_SPACE),
+        KEY(5, 5, KEY_COMMA),
+        KEY(5, 7, KEY_UP),
+        KEY(5, 11, CORGI_KEY_FN),
+        KEY(6, 0, KEY_SYSRQ),
+        KEY(6, 1, CORGI_KEY_JAP1),
+        KEY(6, 2, CORGI_KEY_JAP2),
+        KEY(6, 3, CORGI_KEY_CANCEL),
+        KEY(6, 4, CORGI_KEY_OK),
+        KEY(6, 5, CORGI_KEY_MENU),
+        KEY(6, 6, KEY_LEFT),
+        KEY(6, 7, KEY_DOWN),
+        KEY(6, 8, KEY_RIGHT),
+        KEY(7, 0, CORGI_KEY_OFF),
+        KEY(7, 1, CORGI_KEY_EXOK),
+        KEY(7, 2, CORGI_KEY_EXCANCEL),
+        KEY(7, 3, CORGI_KEY_EXJOGDOWN),
+        KEY(7, 4, CORGI_KEY_EXJOGUP),
+};
+
+static struct matrix_keymap_data corgikbd_keymap_data = {
+        .keymap         = corgikbd_keymap,
+        .keymap_size    = ARRAY_SIZE(corgikbd_keymap),
+};
+
+static const int corgikbd_row_gpios[] =
+                { 58, 59, 60, 61, 62, 63, 64, 65 };
+static const int corgikbd_col_gpios[] =
+                { 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 };
+
+static struct matrix_keypad_platform_data corgikbd_pdata = {
+        .keymap_data            = &corgikbd_keymap_data,
+        .row_gpios              = corgikbd_row_gpios,
+        .col_gpios              = corgikbd_col_gpios,
+        .num_row_gpios          = ARRAY_SIZE(corgikbd_row_gpios),
+        .num_col_gpios          = ARRAY_SIZE(corgikbd_col_gpios),
+        .col_scan_delay_us      = 10,
+        .debounce_ms            = 10,
+        .wakeup                 = 1,
+};
+
 static struct platform_device corgikbd_device = {
-        .name           = "corgi-keyboard",
+        .name           = "matrix-keypad",
         .id             = -1,
+        .dev            = {
+                .platform_data = &corgikbd_pdata,
+        },
 };
 
 /*