On 13/04/2022 12:20, Tommaso Merciai wrote: > Add pwm1/backlight support nodes for imx8mm_evk board. Align with u-boot > dts > > References: > - https://patchwork.ozlabs.org/project/uboot/patch/20220326111911.13720-9-tommaso.merciai@xxxxxxxxxxxxxxxxxxxx/ > > Signed-off-by: Tommaso Merciai <tommaso.merciai@xxxxxxxxxxxxxxxxxxxx> > --- > arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 21 +++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi > index 6d67df7692f1..55566708f667 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi > @@ -59,6 +59,15 @@ reg_usdhc2_vmmc: regulator-usdhc2 { > enable-active-high; > }; > > + backlight: backlight { > + status = "disabled"; Why disabled? > + compatible = "pwm-backlight"; > + pwms = <&pwm1 0 5000000>; > + brightness-levels = <0 255>; > + num-interpolated-steps = <255>; > + default-brightness-level = <250>; > + }; > + > ir-receiver { > compatible = "gpio-ir-receiver"; > gpios = <&gpio1 13 GPIO_ACTIVE_LOW>; > @@ -395,6 +404,12 @@ &wdog1 { > status = "okay"; > }; > > +&pwm1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_backlight>; > + status = "disabled"; Same here. Best regards, Krzysztof