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

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

1 files changed, 128 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index da85327e630c..c4b8305b66a4 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -24,6 +24,7 @@
 #include <linux/spi/ads7846.h>
 #include <linux/spi/corgi_lcd.h>
 #include <linux/mtd/sharpsl.h>
+#include <linux/input/matrix_keypad.h>
 
 #include <asm/setup.h>
 #include <asm/mach-types.h>
@@ -111,6 +112,26 @@ static unsigned long spitz_pin_config[] __initdata = {
         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 
+        /* GPIO matrix keypad */
+        GPIO88_GPIO,    /* column 0 */
+        GPIO23_GPIO,    /* column 1 */
+        GPIO24_GPIO,    /* column 2 */
+        GPIO25_GPIO,    /* column 3 */
+        GPIO26_GPIO,    /* column 4 */
+        GPIO27_GPIO,    /* column 5 */
+        GPIO52_GPIO,    /* column 6 */
+        GPIO103_GPIO,   /* column 7 */
+        GPIO107_GPIO,   /* column 8 */
+        GPIO108_GPIO,   /* column 9 */
+        GPIO114_GPIO,   /* column 10 */
+        GPIO12_GPIO,    /* row 0 */
+        GPIO17_GPIO,    /* row 1 */
+        GPIO91_GPIO,    /* row 2 */
+        GPIO34_GPIO,    /* row 3 */
+        GPIO36_GPIO,    /* row 4 */
+        GPIO38_GPIO,    /* row 5 */
+        GPIO39_GPIO,    /* row 6 */
+
         /* I2C */
         GPIO117_I2C_SCL,
         GPIO118_I2C_SDA,
@@ -242,9 +263,115 @@ EXPORT_SYMBOL(spitzscoop2_device);
 /*
  * Spitz Keyboard Device
  */
+#define SPITZ_KEY_CALENDAR      KEY_F1
+#define SPITZ_KEY_ADDRESS       KEY_F2
+#define SPITZ_KEY_FN            KEY_F3
+#define SPITZ_KEY_CANCEL        KEY_F4
+#define SPITZ_KEY_EXOK          KEY_F5
+#define SPITZ_KEY_EXCANCEL      KEY_F6
+#define SPITZ_KEY_EXJOGDOWN     KEY_F7
+#define SPITZ_KEY_EXJOGUP       KEY_F8
+#define SPITZ_KEY_JAP1          KEY_LEFTALT
+#define SPITZ_KEY_JAP2          KEY_RIGHTCTRL
+#define SPITZ_KEY_SYNC          KEY_F9
+#define SPITZ_KEY_MAIL          KEY_F10
+#define SPITZ_KEY_OK            KEY_F11
+#define SPITZ_KEY_MENU          KEY_F12
+
+static const uint32_t spitzkbd_keymap[] = {
+        KEY(0, 0, KEY_LEFTCTRL),
+        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(0, 9, SPITZ_KEY_EXOK),      /* EXOK */
+        KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
+        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(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
+        KEY(1, 10, SPITZ_KEY_EXJOGUP),  /* EXJOGUP */
+        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, SPITZ_KEY_ADDRESS),   /* ADDRESS */
+        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, SPITZ_KEY_CALENDAR),  /* CALENDAR */
+        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, 9, KEY_LEFTSHIFT),
+        KEY(5, 0, SPITZ_KEY_MAIL),      /* 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, 10, SPITZ_KEY_FN),       /* FN */
+        KEY(6, 0, KEY_SYSRQ),
+        KEY(6, 1, SPITZ_KEY_JAP1),      /* JAP1 */
+        KEY(6, 2, SPITZ_KEY_JAP2),      /* JAP2 */
+        KEY(6, 3, SPITZ_KEY_CANCEL),    /* CANCEL */
+        KEY(6, 4, SPITZ_KEY_OK),        /* OK */
+        KEY(6, 5, SPITZ_KEY_MENU),      /* MENU */
+        KEY(6, 6, KEY_LEFT),
+        KEY(6, 7, KEY_DOWN),
+        KEY(6, 8, KEY_RIGHT),
+};
+
+static const struct matrix_keymap_data spitzkbd_keymap_data = {
+        .keymap         = spitzkbd_keymap,
+        .keymap_size    = ARRAY_SIZE(spitzkbd_keymap),
+};
+
+static const uint32_t spitzkbd_row_gpios[] =
+                { 12, 17, 91, 34, 36, 38, 39 };
+static const uint32_t spitzkbd_col_gpios[] =
+                { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
+
+static struct matrix_keypad_platform_data spitzkbd_pdata = {
+        .keymap_data            = &spitzkbd_keymap_data,
+        .row_gpios              = spitzkbd_row_gpios,
+        .col_gpios              = spitzkbd_col_gpios,
+        .num_row_gpios          = ARRAY_SIZE(spitzkbd_row_gpios),
+        .num_col_gpios          = ARRAY_SIZE(spitzkbd_col_gpios),
+        .col_scan_delay_us      = 10,
+        .debounce_ms            = 10,
+        .wakeup                 = 1,
+};
+
 static struct platform_device spitzkbd_device = {
-        .name           = "spitz-keyboard",
+        .name           = "matrix-keypad",
         .id             = -1,
+        .dev            = {
+                .platform_data = &spitzkbd_pdata,
+        },
 };