On 15/11/2022 03:24, 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 | 62 +++++++++++++++++++ > 1 file changed, 62 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..04cdcf25a6d4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml > @@ -0,0 +1,62 @@ > +# 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 Gerhold <stephan@xxxxxxxxxxx> > + > +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: name-prefix.yaml# > + > +properties: > + compatible: > + const: awinic,aw883xx_smartpa > + > + reg: > + description: > + The I2C address of the device for I2C What happened here? This was not present before. Drop description. > + maxItems: 1 > + > + reset-gpios: > + description: > + Reset pin of aw883xx chip The same case. Drop description. I commented only for irq-gpios that they need description. > + maxItems: 1 > + > + sound-channel: > + description: > + Number of sound channels of the aw883xx chip Your description does not explain me much. Number of supported sound channels is usually fixed in the hardware, thus coming from compatible. Therefore this might mean something else... but anyway your driver does not use it really, so just drop it. Best regards, Krzysztof