omap3: igep2: Add keypad support

Support twl4030 keypad and gpio keys on IGEP v2.

Signed-off-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 0afa3011db0f..3a6cce5d3ff4 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -17,6 +17,7 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
+#include <linux/input.h>
 
 #include <linux/regulator/machine.h>
 #include <linux/regulator/fixed.h>
@@ -535,6 +536,37 @@ static struct twl4030_codec_data igep2_codec_data = {
         .audio = &igep2_audio_data,
 };
 
+static int igep2_keymap[] = {
+        KEY(0, 0, KEY_LEFT),
+        KEY(0, 1, KEY_RIGHT),
+        KEY(0, 2, KEY_A),
+        KEY(0, 3, KEY_B),
+        KEY(1, 0, KEY_DOWN),
+        KEY(1, 1, KEY_UP),
+        KEY(1, 2, KEY_E),
+        KEY(1, 3, KEY_F),
+        KEY(2, 0, KEY_ENTER),
+        KEY(2, 1, KEY_I),
+        KEY(2, 2, KEY_J),
+        KEY(2, 3, KEY_K),
+        KEY(3, 0, KEY_M),
+        KEY(3, 1, KEY_N),
+        KEY(3, 2, KEY_O),
+        KEY(3, 3, KEY_P)
+};
+
+static struct matrix_keymap_data igep2_keymap_data = {
+        .keymap                 = igep2_keymap,
+        .keymap_size            = ARRAY_SIZE(igep2_keymap),
+};
+
+static struct twl4030_keypad_data igep2_keypad_pdata = {
+        .keymap_data    = &igep2_keymap_data,
+        .rows           = 4,
+        .cols           = 4,
+        .rep            = 1,
+};
+
 static struct twl4030_platform_data igep2_twldata = {
         .irq_base       = TWL4030_IRQ_BASE,
         .irq_end        = TWL4030_IRQ_END,
@@ -543,6 +575,7 @@ static struct twl4030_platform_data igep2_twldata = {
         .usb            = &igep2_usb_data,
         .codec          = &igep2_codec_data,
         .gpio           = &igep2_twl4030_gpio_pdata,
+        .keypad         = &igep2_keypad_pdata,
         .vmmc1          = &igep2_vmmc1,
         .vpll2          = &igep2_vpll2,
         .vio            = &igep2_vio,