Re: [PATCH 1/3] dt-bindings: display: panel: himax,hx83121a: add optional bl supply

[Pengyu Luo]

On Tue, 09 Jun 2026 00:26:20 +0800, Icenowy Zheng <zhengxingda@xxxxxxxxxxx> 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