The node names for devices using the pwm-leds driver follow a certain naming scheme (now). Parent node name is not enforced, but recommended by DT project. DTC arch/arm/boot/dts/berlin2cd-google-chromecast.dt.yaml CHECK arch/arm/boot/dts/berlin2cd-google-chromecast.dt.yaml /home/alex/build/linux/arch/arm/boot/dts/berlin2cd-google-chromecast.dt.yaml: leds: 'red', 'white' do not match any of the regexes: '^led(-[0-9a-f]+)?$', 'pinctrl-[0-9]+' From schema: /home/alex/src/linux/leds/Documentation/devicetree/bindings/leds/leds-pwm.yaml Signed-off-by: Alexander Dahl <post@xxxxxxxxxxx> --- Notes: v6 -> v7: * split up patch (one per sub arch) * added actual warnings to commit message arch/arm/boot/dts/berlin2cd-google-chromecast.dts | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/berlin2cd-google-chromecast.dts b/arch/arm/boot/dts/berlin2cd-google-chromecast.dts index 56fa951bc86f..c1d91424e658 100644 --- a/arch/arm/boot/dts/berlin2cd-google-chromecast.dts +++ b/arch/arm/boot/dts/berlin2cd-google-chromecast.dts @@ -34,19 +34,19 @@ linux,usable-memory = <0x00000000 0x20000000>; /* 512 MB */ }; - leds { + led-controller { compatible = "pwm-leds"; pinctrl-0 = <&ledpwm_pmux>; pinctrl-names = "default"; - white { + led-1 { label = "white"; pwms = <&pwm 0 600000 0>; max-brightness = <255>; linux,default-trigger = "default-on"; }; - red { + led-2 { label = "red"; pwms = <&pwm 1 600000 0>; max-brightness = <255>; -- 2.20.1