On 26/02/2024 15:01, Alexandre Mergnat wrote: > Add the codec property along with the mt6357.c codec driver support. Describe the hardware, not the Linux drivers. There is no codec driver support in the bindings. https://elixir.bootlin.com/linux/v6.8-rc6/source/Documentation/devicetree/bindings/writing-bindings.rst#L21 > > Signed-off-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml b/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml > index 37423c2e0fdf..d25a78070744 100644 > --- a/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml > +++ b/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml > @@ -37,6 +37,17 @@ properties: > "#interrupt-cells": > const: 2 > > + codec: > + type: object > + unevaluatedProperties: false > + description: > + MT6357 sound codec. > + properties: > + compatible: > + const: mediatek,mt6357-sound > + required: > + - compatible No resources? Then no need for this node. We have it even documented (if my repeating every time is not enough)... https://elixir.bootlin.com/linux/v6.8-rc6/source/Documentation/devicetree/bindings/writing-bindings.rst#L30 Best regards, Krzysztof