From 77789ad8b1d58eb9ba5e14860f439d024c5e4120 Mon Sep 17 00:00:00 2001
From: Andrew Victor <linux@maxim.org.za>
Date: Sun, 21 Sep 2008 21:34:06 +0100
Subject: [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>
---
arch/arm/mach-at91/board-csb337.c | 8 ++++----
arch/arm/mach-at91/board-sam9261ek.c | 12 ++++++++----
arch/arm/mach-at91/board-sam9263ek.c | 6 +++---
3 files changed, 15 insertions(+), 11 deletions(-)
(limited to 'arch/arm/mach-at91')
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);
--
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