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SubjectRe: [PATCH v2 1/3] ASoC: dt-bindings: Add schema for common DAI params
On Tue, Aug 02, 2022 at 04:15:28PM +0530, Sameer Pujar wrote:
> Hi Rob, Krzysztof
>
> On 02-08-2022 01:00, Rob Herring wrote:
> > On Mon, 01 Aug 2022 21:37:30 +0530, Sameer Pujar wrote:
> > > The "convert-channels" and "convert-rate" bindings are provided for both
> > > simple-card and audio-graph-card. However these are separately defined in
> > > their respective schemas. For any new binding addition, which is common to
> > > both, there will be duplication.
> > >
> > > Introduce a new schema to have common DAI params properties and these can
> > > be re-used in other schemas wherever applicable.
> > >
> > > Signed-off-by: Sameer Pujar <spujar@nvidia.com>
> > > Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > > ---
> > > .../bindings/sound/audio-graph-port.yaml | 13 ++++------
> > > .../devicetree/bindings/sound/audio-graph.yaml | 7 +++---
> > > .../devicetree/bindings/sound/dai-params.yaml | 28 ++++++++++++++++++++++
> > > .../devicetree/bindings/sound/simple-card.yaml | 16 ++++---------
> > > 4 files changed, 40 insertions(+), 24 deletions(-)
> > > create mode 100644 Documentation/devicetree/bindings/sound/dai-params.yaml
> > >
> > My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> > on your patch (DT_CHECKER_FLAGS is new in v5.13):
> >
> > yamllint warnings/errors:
> >
> > dtschema/dtc warnings/errors:
> > /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/sound/simple-card.yaml: properties:simple-audio-card,convert-rate: 'oneOf' conditional failed, one must be fixed:
> > 'type' is a required property
> > hint: A vendor boolean property can use "type: boolean"
> > 'description' is a required property
> > hint: A vendor boolean property can use "type: boolean"
> > Additional properties are not allowed ('$ref' was unexpected)
> > hint: A vendor boolean property can use "type: boolean"
> > /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/sound/simple-card.yaml: properties:simple-audio-card,convert-rate: 'oneOf' conditional failed, one must be fixed:
> > 'enum' is a required property
> > 'const' is a required property
> > hint: A vendor string property with exact values has an implicit type
> > from schema $id: http://devicetree.org/meta-schemas/vendor-props.yaml#
> > '/schemas/sound/dai-params.yaml#/properties/dai-sample-rate' does not match 'types.yaml#/definitions/'
> > hint: A vendor property needs a $ref to types.yaml
> > '/schemas/sound/dai-params.yaml#/properties/dai-sample-rate' does not match '^#/(definitions|\\$defs)/'
> > hint: A vendor property can have a $ref to a a $defs schema
> > hint: Vendor specific properties must have a type and description unless they have a defined, common suffix.
> > from schema $id: http://devicetree.org/meta-schemas/vendor-props.yaml#
>
> I am hitting this error if I use properties/definitions from another schema.
> If I define it locally, it works. I see there are examples where properties
> from different schema are used. But not able to understand why errors are
> seen in my case. Am I missing anything here?

You either need to use 'properties' with actual property names and
reference that schema from the node level. Or you use '$defs' if you are
going to have references from the (DT) property level. I think I'd just
leave simple-card out of this and do the former.

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