[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: NSedji Gaouaou <sedji.gaouaou@atmel.com>
Signed-off-by: NAndrew Victor <linux@maxim.org.za>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

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",
-	},
+	}
 };
 
 

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);

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);