diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9263ek.c')
-rw-r--r-- | arch/arm/mach-at91/board-sam9263ek.c | 55 |
1 files changed, 47 insertions, 8 deletions
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c index cd2726ee5add..fc446097f410 100644 --- a/arch/arm/mach-at91/board-sam9263ek.c +++ b/arch/arm/mach-at91/board-sam9263ek.c @@ -32,6 +32,8 @@ #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/leds.h> +#include <linux/pwm.h> +#include <linux/leds_pwm.h> #include <video/atmel_lcdc.h> @@ -369,21 +371,47 @@ static struct gpio_led ek_leds[] = { .name = "ds3", .gpio = AT91_PIN_PB7, .default_trigger = "heartbeat", + }, +#if !IS_ENABLED(CONFIG_LEDS_PWM) + { + .name = "ds1", + .gpio = AT91_PIN_PB8, + .active_low = 1, + .default_trigger = "none", } +#endif }; /* * PWM Leds */ -static struct gpio_led ek_pwm_led[] = { - /* For now only DS1 is PWM-driven (by pwm1) */ +static struct pwm_lookup pwm_lookup[] = { + PWM_LOOKUP("at91sam9rl-pwm", 1, "leds_pwm", "ds1", + 5000, PWM_POLARITY_INVERSED), +}; + +#if IS_ENABLED(CONFIG_LEDS_PWM) +static struct led_pwm pwm_leds[] = { { - .name = "ds1", - .gpio = 1, /* is PWM channel number */ - .active_low = 1, - .default_trigger = "none", - } + .name = "ds1", + .max_brightness = 255, + }, +}; + +static struct led_pwm_platform_data pwm_data = { + .num_leds = ARRAY_SIZE(pwm_leds), + .leds = pwm_leds, +}; + +static struct platform_device leds_pwm = { + .name = "leds_pwm", + .id = -1, + .dev = { + .platform_data = &pwm_data, + }, }; +#endif + /* * CAN @@ -403,6 +431,12 @@ static struct at91_can_data ek_can_data = { .transceiver_switch = sam9263ek_transceiver_switch, }; +static struct platform_device *devices[] __initdata = { +#if IS_ENABLED(CONFIG_LEDS_PWM) + &leds_pwm, +#endif +}; + static void __init ek_board_init(void) { /* Serial */ @@ -437,9 +471,14 @@ 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)); + pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup)); +#if IS_ENABLED(CONFIG_LEDS_PWM) + at91_add_device_pwm(1 << AT91_PWM1); +#endif /* CAN */ at91_add_device_can(&ek_can_data); + /* Other platform devices */ + platform_add_devices(devices, ARRAY_SIZE(devices)); } MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK") |