Re: [PATCH V8 5/5] ASoC: dt-bindings: Add schema for "awinic,aw883xx"

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Hi Krzysztof

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

xx represents our company's aw88394 and aw88395 chips,Aw88395 chips can be found on 
https://www.awinic.com/cn/detail/index/catid/229/id/48/title/AW88395CSR.html
The aw88394 chip will be available on the website in the near future.

>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  reset-gpios:
>> +    maxItems: 1
>> +

> Why there is no sound-dai-cells?

I'll add sound-dai-cells in patch v8

>> +  sound-name-prefix: true

> Drop it.

I will modify it on patch v8

>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - reset-gpios
>> +
>> +additionalProperties: false

> Instead:
> unevaluatedProperties: false

> unless this is not a codec and sound-dai-cells cannot be used?

I will modify it on patch v8

>> +
>> +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).

I will modify it on patch v8

Best regards,
Weidong Wang



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