On Fri, Oct 25, 2024 at 06:42:45PM +0800, Fei Shao wrote: > The MediaTek DP hardware supports audio, and the "#sound-dai-cells" > property is required to describe DAI links and audio routing. > > Add "#sound-dai-cells" property to the binding and filter out non-DP > compatibles, as MediaTek eDP doesn't support audio. > > Signed-off-by: Fei Shao <fshao@xxxxxxxxxxxx> > --- > > .../bindings/display/mediatek/mediatek,dp.yaml | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml > index 2aef1eb32e11..c05c2b409780 100644 > --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml > +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml > @@ -42,6 +42,9 @@ properties: > interrupts: > maxItems: 1 > > + "#sound-dai-cells": > + const: 0 > + > ports: > $ref: /schemas/graph.yaml#/properties/ports > properties: > @@ -87,6 +90,19 @@ required: > You need to reference dai-common instead, since this is DAI. > additionalProperties: false and this becomes unevaluatedProperties: false Best regards, Krzysztof
