ARM: pxa168/aspenite: add board support for keypad

Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
index 9e1bd6b1fdfb..f04bae6e4ccf 100644
--- a/arch/arm/mach-mmp/aspenite.c
+++ b/arch/arm/mach-mmp/aspenite.c
@@ -24,6 +24,8 @@
 #include <mach/pxa168.h>
 #include <mach/gpio.h>
 #include <video/pxa168fb.h>
+#include <linux/input.h>
+#include <plat/pxa27x_keypad.h>
 
 #include "common.h"
 
@@ -97,6 +99,13 @@ static unsigned long common_pin_config[] __initdata = {
         GPIO81_LCD_DD21,
         GPIO82_LCD_DD22,
         GPIO83_LCD_DD23,
+
+        /* Keypad */
+        GPIO109_KP_MKIN1,
+        GPIO110_KP_MKIN0,
+        GPIO111_KP_MKOUT7,
+        GPIO112_KP_MKOUT6,
+        GPIO121_KP_MKIN4,
 };
 
 static struct smc91x_platdata smc91x_info = {
@@ -193,6 +202,23 @@ struct pxa168fb_mach_info aspenite_lcd_info = {
         .invert_pixclock        = 0,
 };
 
+static unsigned int aspenite_matrix_key_map[] = {
+        KEY(0, 6, KEY_UP),      /* SW 4 */
+        KEY(0, 7, KEY_DOWN),    /* SW 5 */
+        KEY(1, 6, KEY_LEFT),    /* SW 6 */
+        KEY(1, 7, KEY_RIGHT),   /* SW 7 */
+        KEY(4, 6, KEY_ENTER),   /* SW 8 */
+        KEY(4, 7, KEY_ESC),     /* SW 9 */
+};
+
+static struct pxa27x_keypad_platform_data aspenite_keypad_info __initdata = {
+        .matrix_key_rows        = 5,
+        .matrix_key_cols        = 8,
+        .matrix_key_map         = aspenite_matrix_key_map,
+        .matrix_key_map_size    = ARRAY_SIZE(aspenite_matrix_key_map),
+        .debounce_interval      = 30,
+};
+
 static void __init common_init(void)
 {
         mfp_config(ARRAY_AND_SIZE(common_pin_config));
@@ -203,6 +229,7 @@ static void __init common_init(void)
         pxa168_add_ssp(1);
         pxa168_add_nand(&aspenite_nand_info);
         pxa168_add_fb(&aspenite_lcd_info);
+        pxa168_add_keypad(&aspenite_keypad_info);
 
         /* off-chip devices */
         platform_device_register(&smc91x_device);