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>

diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
index 9e1bd6b..f04bae6 100644 (file)
--- 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);