linux-kernel - Re: [PATCH v2 1/2] ASoC: google: dt-bindings: Add sc7280-herobrine machine bindings

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Message-ID: <e1e84488-2af5-2272-010a-474788a498a3@codeaurora.org>
Date:   Wed, 15 Sep 2021 16:45:43 +0530
From:   Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
To:     Stephen Boyd <swboyd@...omium.org>, agross@...nel.org,
        alsa-devel@...a-project.org, bgoswami@...eaurora.org,
        bjorn.andersson@...aro.org, broonie@...nel.org,
        devicetree@...r.kernel.org, judyhsiao@...omium.org,
        lgirdwood@...il.com, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, perex@...ex.cz, plai@...eaurora.org,
        robh+dt@...nel.org, rohitkr@...eaurora.org,
        srinivas.kandagatla@...aro.org, tiwai@...e.com
Subject: Re: [PATCH v2 1/2] ASoC: google: dt-bindings: Add sc7280-herobrine
 machine bindings


On 9/14/2021 1:21 AM, Stephen Boyd wrote:
> Quoting Srinivasa Rao Mandadapu (2021-09-13 06:17:41)
>> diff --git a/Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml b/Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml
>> new file mode 100644
>> index 0000000..e0d705f
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml
>> @@ -0,0 +1,169 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/sound/google,sc7280-herobrine.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Google SC7280-Herobrine ASoC sound card driver
>> +
>> +maintainers:
>> +  - Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
>> +  - Judy Hsiao <judyhsiao@...omium.org>
>> +
>> +description:
>> +  This binding describes the SC7280 sound card which uses LPASS for audio.
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - google,sc7280-herobrine
>> +
>> +  audio-routing:
>> +    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
>> +    description:
>> +      A list of the connections between audio components. Each entry is a
>> +      pair of strings, the first being the connection's sink, the second
>> +      being the connection's source.
>> +
>> +  model:
>> +    $ref: /schemas/types.yaml#/definitions/string
>> +    description: User specified audio sound card name
>> +
>> +  "#address-cells":
>> +    const: 1
>> +
>> +  "#size-cells":
>> +    const: 0
>> +
>> +patternProperties:
>> +  "^dai-link@[0-9a-f]$":
>> +    description:
>> +      Each subnode represents a dai link. Subnodes of each dai links would be
>> +      cpu/codec dais.
>> +
>> +    type: object
>> +
>> +    properties:
>> +      link-name:
>> +        description: Indicates dai-link name and PCM stream name.
>> +        $ref: /schemas/types.yaml#/definitions/string
>> +        maxItems: 1
>> +
>> +      reg:
>> +        maxItems: 1
>> +        description: dai link address.
>> +
>> +      cpu:
>> +        description: Holds subnode which indicates cpu dai.
>> +        type: object
>> +        properties:
>> +          sound-dai: true
> Shouldn't sound-dai be required?
Sorry. I didn't get your Query. You mean in below "required:" properties 
need to add sound-dai also?
>
>> +
>> +      codec:
>> +        description: Holds subnode which indicates codec dai.
>> +        type: object
>> +        properties:
>> +          sound-dai: true
> Shouldn't sound-dai be required? I don't know but maybe also additional
> properties is false for this node too?
>
>> +
>> +    required:
>> +      - link-name
>> +      - cpu
>> +      - codec
> Should 'reg' be required?
Okay. I think reg is required. will check and update it.
>
>> +
>> +    additionalProperties: false

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