On Wed, Apr 13, 2022 at 12:28:00PM +0200, Krzysztof Kozlowski wrote: > 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 Hi Krzysztof, I think is better to keep disable into .dtsi and enable it at .dts level. What do you think about? Regards, Tommaso -- Tommaso Merciai Embedded Linux Engineer tommaso.merciai@xxxxxxxxxxxxxxxxxxxx __________________________________ Amarula Solutions SRL Via Le Canevare 30, 31100 Treviso, Veneto, IT T. +39 042 243 5310 info@xxxxxxxxxxxxxxxxxxxx www.amarulasolutions.com