ARM: 7935/1: sa1100: collie: add gpio-keys configuration

collie has several GPIO lines that act like keys - Sync/Wakeup button on
dock station is connected to GPIO line. Another one is connected to
on/off button. Add corresponding gpio-keys configuration.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 35 insertions, 0 deletions

diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 7fb96ebdc0fb..831a15824ec8 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -27,6 +27,8 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/timer.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
 #include <linux/gpio.h>
 #include <linux/pda_power.h>
 
@@ -242,10 +244,43 @@ struct platform_device collie_locomo_device = {
         .resource       = locomo_resources,
 };
 
+static struct gpio_keys_button collie_gpio_keys[] = {
+        {
+                .type   = EV_PWR,
+                .code   = KEY_RESERVED,
+                .gpio   = COLLIE_GPIO_ON_KEY,
+                .desc   = "On key",
+                .wakeup = 1,
+                .active_low = 1,
+        },
+        {
+                .type   = EV_PWR,
+                .code   = KEY_WAKEUP,
+                .gpio   = COLLIE_GPIO_WAKEUP,
+                .desc   = "Sync",
+                .wakeup = 1,
+                .active_low = 1,
+        },
+};
+
+static struct gpio_keys_platform_data collie_gpio_keys_data = {
+        .buttons        = collie_gpio_keys,
+        .nbuttons       = ARRAY_SIZE(collie_gpio_keys),
+};
+
+static struct platform_device collie_gpio_keys_device = {
+        .name   = "gpio-keys",
+        .id     = -1,
+        .dev    = {
+                .platform_data = &collie_gpio_keys_data,
+        },
+};
+
 static struct platform_device *devices[] __initdata = {
         &collie_locomo_device,
         &colliescoop_device,
         &collie_power_device,
+        &collie_gpio_keys_device,
 };
 
 static struct mtd_partition collie_partitions[] = {