[ARM] 5263/2: [AT91] GPIO buttons as wakeup sources

Allow the various GPIO-connected buttons to be used as wakeup sources.
Also enable the internal GPIO pullup.

Signed-off-by: Sedji Gaouaou <sedji.gaouaou@atmel.com>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 15 insertions, 11 deletions

diff --git a/arch/arm/mach-at91/board-csb337.c b/arch/arm/mach-at91/board-csb337.c
index 4bdf69d552eb..fea2529ebcf9 100644
--- a/arch/arm/mach-at91/board-csb337.c
+++ b/arch/arm/mach-at91/board-csb337.c
@@ -193,11 +193,11 @@ static struct platform_device csb300_button_device = {
 
 static void __init csb300_add_device_buttons(void)
 {
-        at91_set_gpio_input(AT91_PIN_PB29, 0);  /* sw0 */
+        at91_set_gpio_input(AT91_PIN_PB29, 1);  /* sw0 */
         at91_set_deglitch(AT91_PIN_PB29, 1);
-        at91_set_gpio_input(AT91_PIN_PB28, 0);  /* sw1 */
+        at91_set_gpio_input(AT91_PIN_PB28, 1);  /* sw1 */
         at91_set_deglitch(AT91_PIN_PB28, 1);
-        at91_set_gpio_input(AT91_PIN_PA21, 0);  /* sw2 */
+        at91_set_gpio_input(AT91_PIN_PA21, 1);  /* sw2 */
         at91_set_deglitch(AT91_PIN_PA21, 1);
 
         platform_device_register(&csb300_button_device);
@@ -224,7 +224,7 @@ static struct gpio_led csb_leds[] = {
                 .gpio                   = AT91_PIN_PB0,
                 .active_low             = 1,
                 .default_trigger        = "ide-disk",
-        },
+        }
 };
 
 
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
index 03d3382cfef6..4977409d4fc6 100644
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -435,24 +435,28 @@ static struct gpio_keys_button ek_buttons[] = {
                 .code           = BTN_0,
                 .desc           = "Button 0",
                 .active_low     = 1,
+                .wakeup         = 1,
         },
         {
                 .gpio           = AT91_PIN_PA26,
                 .code           = BTN_1,
                 .desc           = "Button 1",
                 .active_low     = 1,
+                .wakeup         = 1,
         },
         {
                 .gpio           = AT91_PIN_PA25,
                 .code           = BTN_2,
                 .desc           = "Button 2",
                 .active_low     = 1,
+                .wakeup         = 1,
         },
         {
                 .gpio           = AT91_PIN_PA24,
                 .code           = BTN_3,
                 .desc           = "Button 3",
                 .active_low     = 1,
+                .wakeup         = 1,
         }
 };
 
@@ -472,13 +476,13 @@ static struct platform_device ek_button_device = {
 
 static void __init ek_add_device_buttons(void)
 {
-        at91_set_gpio_input(AT91_PIN_PA27, 0);  /* btn0 */
+        at91_set_gpio_input(AT91_PIN_PA27, 1);  /* btn0 */
         at91_set_deglitch(AT91_PIN_PA27, 1);
-        at91_set_gpio_input(AT91_PIN_PA26, 0);  /* btn1 */
+        at91_set_gpio_input(AT91_PIN_PA26, 1);  /* btn1 */
         at91_set_deglitch(AT91_PIN_PA26, 1);
-        at91_set_gpio_input(AT91_PIN_PA25, 0);  /* btn2 */
+        at91_set_gpio_input(AT91_PIN_PA25, 1);  /* btn2 */
         at91_set_deglitch(AT91_PIN_PA25, 1);
-        at91_set_gpio_input(AT91_PIN_PA24, 0);  /* btn3 */
+        at91_set_gpio_input(AT91_PIN_PA24, 1);  /* btn3 */
         at91_set_deglitch(AT91_PIN_PA24, 1);
 
         platform_device_register(&ek_button_device);
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 2924b6884fe2..8354015c6a23 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -297,7 +297,7 @@ static struct gpio_keys_button ek_buttons[] = {
                 .active_low     = 1,
                 .desc           = "right_click",
                 .wakeup         = 1,
-        },
+        }
 };
 
 static struct gpio_keys_platform_data ek_button_data = {
@@ -316,9 +316,9 @@ static struct platform_device ek_button_device = {
 
 static void __init ek_add_device_buttons(void)
 {
-        at91_set_GPIO_periph(AT91_PIN_PC5, 0);  /* left button */
+        at91_set_GPIO_periph(AT91_PIN_PC5, 1);  /* left button */
         at91_set_deglitch(AT91_PIN_PC5, 1);
-        at91_set_GPIO_periph(AT91_PIN_PC4, 0);  /* right button */
+        at91_set_GPIO_periph(AT91_PIN_PC4, 1);  /* right button */
         at91_set_deglitch(AT91_PIN_PC4, 1);
 
         platform_device_register(&ek_button_device);