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> > > > + pinctrl-names = "default"; > > > > + pinctrl-0 = <&pinctrl_panel_backlight_lvds>; > > > > + brightness-levels = <0 1 10 20 30 40 50 60 70 75 80 90 100>; > > > > + default-brightness-level = <7>; > > > > + enable-gpios = <&gpio2 27 GPIO_ACTIVE_HIGH>; > > > > + pwms = <&tpm3 3 5000000 0>; > > > > + /* Disabled by default, unless display board plugged in. */ > > > > + status = "disabled"; > > > > + }; > > > > > > The both backlight is not used in this dts, can you remove it and > > > add these when it real use. > > It's the same thing we do on the other boards, so I would prefer to keep > > this consistent: > > I agree with Marek, and I would not use the criteria about being used or > not. Others boards: some has dtso, which use it. And krzy have some concern for similar case although he have not reply alex's answer. https://lore.kernel.org/imx/30599533-91de-41fd-9420-3f8693ec92ac@kernel.org/ And it is most likely go through nexus connector node to support display panel in future. So I suggest remove it now and add it when need. Frank > > Francesco >