Re: [RFC PATCH 1/5] dt-bindings: sound: Add Apple Macs sound system

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> On 31. 3. 2022, at 8:43, Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:
> 
> On 31/03/2022 02:04, Martin Povišer wrote:
>> Add binding for Apple Silicon Macs' machine-level sound system.
>> 
>> Signed-off-by: Martin Povišer <povik+lin@xxxxxxxxxxx>
>> ---
>> .../bindings/sound/apple,macaudio.yaml        | 103 ++++++++++++++++++
>> 1 file changed, 103 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/sound/apple,macaudio.yaml
>> 
> 
> Commit title does not match subsystem.

Tell more please. I don’t see it.

> 
>> diff --git a/Documentation/devicetree/bindings/sound/apple,macaudio.yaml b/Documentation/devicetree/bindings/sound/apple,macaudio.yaml
>> new file mode 100644
>> index 000000000000..a6380e4bdd1a
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/sound/apple,macaudio.yaml
>> @@ -0,0 +1,103 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/sound/apple,macaudio.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Apple Silicon Macs integrated sound system
>> +
>> +maintainers:
>> +  - Martin Povišer <povik+lin@xxxxxxxxxxx>
>> +
> 
> Add description.
> 
>> +definitions:
> 
> This does not make code more readable.

Are you sure? It prevents duplication later on for ‘codec' and ‘cpu’.

> 
>> +  dai:
>> +    type: object
>> +    properties:
>> +      sound-dai: true
>> +    required:
>> +      - sound-dai
>> +
>> +properties:
>> +  compatible:
>> +    items:
>> +      - enum:
>> +          - apple,j274-macaudio
>> +          - apple,j293-macaudio
>> +          - apple,j314-macaudio
>> +      - const: apple,macaudio
> 
> Open example-schema.yaml and look at formatting plus general coding
> style. You miss line breaks making it unreadable.
> 
>> +  "#address-cells":
>> +    const: 1
>> +  "#size-cells":
>> +    const: 0
>> +  model:
>> +    description: |
>> +      Model name to use when the sound system is presented to users as a sound card.
>> +    $ref: /schemas/types.yaml#/definitions/string
>> +
>> +patternProperties:
>> +  "^dai-link(@[0-9a-f]+)?$":
>> +    description: |
>> +      A DAI link comprising of CPU and CODEC DAI specifiers and supplemental properties.
>> +    type: object
>> +    properties:
>> +      reg:
>> +        maxItems: 1
>> +      mclk-fs:
>> +        description: |
>> +          Forced MCLK/samplerate factor (optional).
> 
> Optional is obvious from !required.
> 
> Description is different than existing field in simple card. Is this the
> same field or not?

It is the same. I didn’t want to copy the simple card text because this is optionally BSD,
simple card wasn’t.

> 
>> +        $ref: /schemas/types.yaml#/definitions/uint32
>> +      link-name:
>> +        description: Name for the DAI link to present to users.
>> +        $ref: /schemas/types.yaml#/definitions/string
>> +      cpu:
>> +        $ref: "#/definitions/dai"
>> +      codec:
>> +        $ref: "#/definitions/dai"
> 
> missing maxItems for DAI phandles.

Well there’s not a maximum.

> 
> Best regards,
> Krzysztof

Martin





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