On Mon, Jan 24, 2022 at 10:55 AM Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> wrote: > > On Wed, 19 Jan 2022 at 02:50, Rob Herring <robh@xxxxxxxxxx> wrote: > > > > The 'phandle-array' type is a bit ambiguous. It can be either just an > > array of phandles or an array of phandles plus args. Many schemas for > > phandle-array properties aren't clear in the schema which case applies > > though the description usually describes it. > > > > Hi Rob, > > I have few questions below. > > (...) > > > diff --git a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml > > index 095775c598fa..3a4df2ce1728 100644 > > --- a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml > > +++ b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml > > @@ -21,8 +21,7 @@ properties: > > type: object > > properties: > > sound-dai: > > - $ref: /schemas/types.yaml#/definitions/phandle-array > > - maxItems: 1 > > + $ref: /schemas/types.yaml#/definitions/phandle > > description: phandle to the I2S controller > > required: > > - sound-dai > > This passes the example only because the example was simplified to > hide dtschema errors. > > The cpu dai node is like: > cpu { > sound-dai = <&i2s0 0>; > }; > > and this fails with errors missing phandle tag in 0. > > I am converting rest of Samsung audio bindings to dtschema and have > trouble expressing this. How schema should express such cpu node? The above hunk should be reverted. I'll drop that hunk. Rob