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ARM: at91: at91sam9m10g45ek: switch to PWM leds

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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>
This commit is contained in:
Bo Shen 2013-12-19 11:59:18 +08:00 committed by Nicolas Ferre
parent f3ab052786
commit eed972987b
1 changed files with 23 additions and 2 deletions
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25
arch/arm/boot/dts/at91sam9m10g45ek.dts
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@ -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";
};
};