aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm
diff options
context:
space:
mode:
authorAndrew Victor <linux@maxim.org.za>2008-09-21 16:34:06 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-09-21 18:01:00 -0400
commit77789ad8b1d58eb9ba5e14860f439d024c5e4120 (patch)
treef3fe2afc6ea36ad1eba321f6119ce7dd8fbf2043 /arch/arm
parent2e9f12d6dd061899385bcd910ecb8777c6d05a72 (diff)
[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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-at91/board-csb337.c8
-rw-r--r--arch/arm/mach-at91/board-sam9261ek.c12
-rw-r--r--arch/arm/mach-at91/board-sam9263ek.c6
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 = {
193 193
194static void __init csb300_add_device_buttons(void) 194static void __init csb300_add_device_buttons(void)
195{ 195{
196 at91_set_gpio_input(AT91_PIN_PB29, 0); /* sw0 */ 196 at91_set_gpio_input(AT91_PIN_PB29, 1); /* sw0 */
197 at91_set_deglitch(AT91_PIN_PB29, 1); 197 at91_set_deglitch(AT91_PIN_PB29, 1);
198 at91_set_gpio_input(AT91_PIN_PB28, 0); /* sw1 */ 198 at91_set_gpio_input(AT91_PIN_PB28, 1); /* sw1 */
199 at91_set_deglitch(AT91_PIN_PB28, 1); 199 at91_set_deglitch(AT91_PIN_PB28, 1);
200 at91_set_gpio_input(AT91_PIN_PA21, 0); /* sw2 */ 200 at91_set_gpio_input(AT91_PIN_PA21, 1); /* sw2 */
201 at91_set_deglitch(AT91_PIN_PA21, 1); 201 at91_set_deglitch(AT91_PIN_PA21, 1);
202 202
203 platform_device_register(&csb300_button_device); 203 platform_device_register(&csb300_button_device);
@@ -224,7 +224,7 @@ static struct gpio_led csb_leds[] = {
224 .gpio = AT91_PIN_PB0, 224 .gpio = AT91_PIN_PB0,
225 .active_low = 1, 225 .active_low = 1,
226 .default_trigger = "ide-disk", 226 .default_trigger = "ide-disk",
227 }, 227 }
228}; 228};
229 229
230 230
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[] = {
435 .code = BTN_0, 435 .code = BTN_0,
436 .desc = "Button 0", 436 .desc = "Button 0",
437 .active_low = 1, 437 .active_low = 1,
438 .wakeup = 1,
438 }, 439 },
439 { 440 {
440 .gpio = AT91_PIN_PA26, 441 .gpio = AT91_PIN_PA26,
441 .code = BTN_1, 442 .code = BTN_1,
442 .desc = "Button 1", 443 .desc = "Button 1",
443 .active_low = 1, 444 .active_low = 1,
445 .wakeup = 1,
444 }, 446 },
445 { 447 {
446 .gpio = AT91_PIN_PA25, 448 .gpio = AT91_PIN_PA25,
447 .code = BTN_2, 449 .code = BTN_2,
448 .desc = "Button 2", 450 .desc = "Button 2",
449 .active_low = 1, 451 .active_low = 1,
452 .wakeup = 1,
450 }, 453 },
451 { 454 {
452 .gpio = AT91_PIN_PA24, 455 .gpio = AT91_PIN_PA24,
453 .code = BTN_3, 456 .code = BTN_3,
454 .desc = "Button 3", 457 .desc = "Button 3",
455 .active_low = 1, 458 .active_low = 1,
459 .wakeup = 1,
456 } 460 }
457}; 461};
458 462
@@ -472,13 +476,13 @@ static struct platform_device ek_button_device = {
472 476
473static void __init ek_add_device_buttons(void) 477static void __init ek_add_device_buttons(void)
474{ 478{
475 at91_set_gpio_input(AT91_PIN_PA27, 0); /* btn0 */ 479 at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
476 at91_set_deglitch(AT91_PIN_PA27, 1); 480 at91_set_deglitch(AT91_PIN_PA27, 1);
477 at91_set_gpio_input(AT91_PIN_PA26, 0); /* btn1 */ 481 at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
478 at91_set_deglitch(AT91_PIN_PA26, 1); 482 at91_set_deglitch(AT91_PIN_PA26, 1);
479 at91_set_gpio_input(AT91_PIN_PA25, 0); /* btn2 */ 483 at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
480 at91_set_deglitch(AT91_PIN_PA25, 1); 484 at91_set_deglitch(AT91_PIN_PA25, 1);
481 at91_set_gpio_input(AT91_PIN_PA24, 0); /* btn3 */ 485 at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
482 at91_set_deglitch(AT91_PIN_PA24, 1); 486 at91_set_deglitch(AT91_PIN_PA24, 1);
483 487
484 platform_device_register(&ek_button_device); 488 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[] = {
297 .active_low = 1, 297 .active_low = 1,
298 .desc = "right_click", 298 .desc = "right_click",
299 .wakeup = 1, 299 .wakeup = 1,
300 }, 300 }
301}; 301};
302 302
303static struct gpio_keys_platform_data ek_button_data = { 303static struct gpio_keys_platform_data ek_button_data = {
@@ -316,9 +316,9 @@ static struct platform_device ek_button_device = {
316 316
317static void __init ek_add_device_buttons(void) 317static void __init ek_add_device_buttons(void)
318{ 318{
319 at91_set_GPIO_periph(AT91_PIN_PC5, 0); /* left button */ 319 at91_set_GPIO_periph(AT91_PIN_PC5, 1); /* left button */
320 at91_set_deglitch(AT91_PIN_PC5, 1); 320 at91_set_deglitch(AT91_PIN_PC5, 1);
321 at91_set_GPIO_periph(AT91_PIN_PC4, 0); /* right button */ 321 at91_set_GPIO_periph(AT91_PIN_PC4, 1); /* right button */
322 at91_set_deglitch(AT91_PIN_PC4, 1); 322 at91_set_deglitch(AT91_PIN_PC4, 1);
323 323
324 platform_device_register(&ek_button_device); 324 platform_device_register(&ek_button_device);