diff options
| author | Bo Shen <voice.shen@atmel.com> | 2013-12-19 11:59:18 +0800 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2013-12-19 23:00:05 +0100 |
| commit | eed972987bc52b75afd58d0bfb5f605a82c8502a (patch) | |
| tree | b250302d80fe6b18ab609789ae545427529051b8 /arch | |
| parent | f3ab052786e98b23f326bc28ec43b793495c9b6c (diff) | |
ARM: at91: at91sam9m10g45ek: switch to PWM leds
The d6 and d7 is connected to PWM, we can use PWM to control it,
so switch to PWM leds.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/at91sam9m10g45ek.dts | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts index 7b76dbde8c41..7ff665a8c708 100644 --- a/arch/arm/boot/dts/at91sam9m10g45ek.dts +++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts @@ -105,6 +105,14 @@ AT91_PIOD 29 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; /* PD29 gpio WP pin pull up */ }; }; + + pwm0 { + pinctrl_pwm_leds: pwm-led { + atmel,pins = + <AT91_PIOD 0 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PD0 periph B */ + AT91_PIOD 31 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; /* PD31 periph B */ + }; + }; }; spi0: spi@fffa4000{ @@ -121,6 +129,13 @@ atmel,vbus-gpio = <&pioB 19 GPIO_ACTIVE_HIGH>; status = "okay"; }; + + pwm0: pwm@fffb8000 { + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm_leds>; + }; }; fb0: fb@0x00500000 { @@ -194,16 +209,22 @@ gpios = <&pioD 30 GPIO_ACTIVE_HIGH>; linux,default-trigger = "heartbeat"; }; + }; + + pwmleds { + compatible = "pwm-leds"; d6 { label = "d6"; - gpios = <&pioD 0 GPIO_ACTIVE_LOW>; + pwms = <&pwm0 3 5000 0>; + max-brightness = <255>; linux,default-trigger = "nand-disk"; }; d7 { label = "d7"; - gpios = <&pioD 31 GPIO_ACTIVE_LOW>; + pwms = <&pwm0 1 5000 0>; + max-brightness = <255>; linux,default-trigger = "mmc0"; }; }; |