diff options
| author |   Andrew Victor <linux@maxim.org.za> | 2008-09-21 21:31:16 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2008-09-21 22:58:38 +0100 |
| commit | a7307bf22557e1e029df0ea6f2a2973de4d9c135 (patch) | |
| tree | c1db7709cc089b3494ed6a0e97ca0dd5dbeece88 /arch/arm/mach-at91/board-sam9263ek.c | |
| parent | [ARM] 5258/1: [AT91] PWM controller initialization (diff) | |
| download | linux-dev-a7307bf22557e1e029df0ea6f2a2973de4d9c135.tar.xz linux-dev-a7307bf22557e1e029df0ea6f2a2973de4d9c135.zip | |
[ARM] 5259/2: [AT91] PWM LEDs on AT91SAM9263-EK
Use the PWM controller and leds-atmel-pwm.c driver to drive a LED on
the Atmel AT91SAM9263-EK board.
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/mach-at91/board-sam9263ek.c')
| -rw-r--r-- | arch/arm/mach-at91/board-sam9263ek.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c index ad71f4a71451..2924b6884fe2 100644 --- a/arch/arm/mach-at91/board-sam9263ek.c +++ b/arch/arm/mach-at91/board-sam9263ek.c @@ -30,6 +30,7 @@ #include <linux/fb.h> #include <linux/gpio_keys.h> #include <linux/input.h> +#include <linux/leds.h> #include <video/atmel_lcdc.h> @@ -339,25 +340,32 @@ static struct atmel_ac97_data ek_ac97_data = { * LEDs ... these could all be PWM-driven, for variable brightness */ static struct gpio_led ek_leds[] = { - { /* "left" led, green, userled1, pwm1 */ - .name = "ds1", - .gpio = AT91_PIN_PB8, - .active_low = 1, - .default_trigger = "mmc0", - }, - { /* "right" led, green, userled2, pwm2 */ + { /* "right" led, green, userled2 (could be driven by pwm2) */ .name = "ds2", .gpio = AT91_PIN_PC29, .active_low = 1, .default_trigger = "nand-disk", }, - { /* "power" led, yellow, pwm0 */ + { /* "power" led, yellow (could be driven by pwm0) */ .name = "ds3", .gpio = AT91_PIN_PB7, .default_trigger = "heartbeat", } }; +/* + * PWM Leds + */ +static struct gpio_led ek_pwm_led[] = { + /* For now only DS1 is PWM-driven (by pwm1) */ + { + .name = "ds1", + .gpio = 1, /* is PWM channel number */ + .active_low = 1, + .default_trigger = "none", + } +}; + static void __init ek_board_init(void) { @@ -388,6 +396,7 @@ static void __init ek_board_init(void) at91_add_device_ac97(&ek_ac97_data); /* LEDs */ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led)); } MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK") |