[ARM] pxa: use gpio_keys.c to support mainstone's wakeup switch of GPIO1

NOTE: currently don't know if the key code of KEY_SUSPEND is fit for
such usage.

Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 7fa5a3779e0dab6d443a3de263e62cf5b6b1a403..bde60887dd126c4a18c9b7e1e0c7b726cb63633d 100644 (file)
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -24,6 +24,8 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/backlight.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
@@ -500,11 +502,35 @@ static struct pxaficp_platform_data mainstone_ficp_platform_data = {
        .transceiver_mode = mainstone_irda_transceiver_mode,
 };
 
+static struct gpio_keys_button gpio_keys_button[] = {
+       [0] = {
+               .desc   = "wakeup",
+               .code   = KEY_SUSPEND,
+               .type   = EV_KEY,
+               .gpio   = 1,
+               .wakeup = 1,
+       },
+};
+
+static struct gpio_keys_platform_data mainstone_gpio_keys = {
+       .buttons        = gpio_keys_button,
+       .nbuttons       = 1,
+};
+
+static struct platform_device mst_gpio_keys_device = {
+       .name           = "gpio-keys",
+       .id             = -1,
+       .dev            = {
+               .platform_data  = &mainstone_gpio_keys,
+       },
+};
+
 static struct platform_device *platform_devices[] __initdata = {
        &smc91x_device,
        &mst_audio_device,
        &mst_flash_device[0],
        &mst_flash_device[1],
+       &mst_gpio_keys_device,
 };
 
 static int mainstone_ohci_init(struct device *dev)