On 30/12/2022 10:34, wangweidong.a@xxxxxxxxxx wrote: > From: Weidong Wang <wangweidong.a@xxxxxxxxxx> > > Add a DT schema for describing Awinic AW883xx audio amplifiers. They are > controlled using I2C. > > Signed-off-by: Weidong Wang <wangweidong.a@xxxxxxxxxx> > --- > .../bindings/sound/awinic,aw883xx.yaml | 49 +++++++++++++++++++ > 1 file changed, 49 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml > > diff --git a/Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml b/Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml > new file mode 100644 > index 000000000000..b677427ebcd1 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml > @@ -0,0 +1,49 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/awinic,aw883xx.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Awinic AW883xx Smart Audio Amplifier > + > +maintainers: > + - Stephan Weidong Wang <wangweidong.a@xxxxxxxxxx> > + > +description: > + The Awinic AW883XX is an I2S/TDM input, high efficiency > + digital Smart K audio amplifier with an integrated 10.25V > + smart boost convert. > + > +allOf: > + - $ref: dai-common.yaml# > + > +properties: > + compatible: > + const: awinic,aw883xx Now the question what does "xx" stand for? I cannot find such product on awinic website: https://www.awinic.com/En/Index/queryAll/wd/aw883xx.html > + > + reg: > + maxItems: 1 > + > + reset-gpios: > + maxItems: 1 > + Why there is no sound-dai-cells? > + sound-name-prefix: true Drop it. > + > +required: > + - compatible > + - reg > + - reset-gpios > + > +additionalProperties: false Instead: unevaluatedProperties: false unless this is not a codec and sound-dai-cells cannot be used? > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + audio-codec@34 { > + compatible = "awinic,aw883xx"; > + reg = <0x34>; > + reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>; Does not look like you tested the bindings. Please run `make dt_binding_check` (see Documentation/devicetree/bindings/writing-schema.rst for instructions). Best regards, Krzysztof