On Wed, Apr 13, 2022 at 02:27:00PM +0200, Krzysztof Kozlowski wrote: > On 13/04/2022 13:58, Tommaso Merciai wrote: > >>> + 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? > > Why better? This is already board DTSI, not a SoC DTSI. All boards using > it are supposed to have it available, aren't they? > > Usually nodes should be disabled in a DTSI if they need some resources > not available in that DTSI. For example if they need some supply. It's > not the case here, right? Hi Krzysztof, Yes, right I check both schematics (DSI_BL_PWM). We can set PWM enable. I'll update status in v2. > > > Best regards, > Krzysztof 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