On Tue, 09 Jun 2026 00:26:20 +0800, Icenowy Zheng <[email protected]> wrote: > When the backlight is managed by the panel controller IC, an external > power rail might be powering the backlight. > > Add an optional `bl-supply` property to describe such power rail, thus > allow disabling the backlight. >
Please add it as a hwen pin, this will simplify your code later. > > > diff --git > a/Documentation/devicetree/bindings/display/panel/himax,hx83121a.yaml > b/Documentation/devicetree/bindings/display/panel/himax,hx83121a.yaml > index e067a2f6d0b2..aeca3c9a599c 100644 > --- a/Documentation/devicetree/bindings/display/panel/himax,hx83121a.yaml > +++ b/Documentation/devicetree/bindings/display/panel/himax,hx83121a.yaml > @@ -40,6 +40,9 @@ properties: > vddi-supply: > description: power supply for IC > > + bl-supply: > + description: power supply for backlight, in case it's managed via DSC > + s/DSC/DCS/ Best wishes, Pengyu -- Best wishes, Pengyu
