linux-kernel - Re: [PATCH v4 1/2] ASoC: google: dt-bindings: Add sc7280-herobrine machine bindings

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Message-ID: <CAL_JsqLxJ4HYUEcdCu-5EiakXe9e3yueOdxRa24K2r04F1Zqeg@mail.gmail.com>
Date:   Fri, 5 Nov 2021 20:30:20 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
Cc:     Stephen Boyd <swboyd@...omium.org>,
        "Gross, Andy" <agross@...nel.org>,
        Linux-ALSA <alsa-devel@...a-project.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mark Brown <broonie@...nel.org>, devicetree@...r.kernel.org,
        judyhsiao@...omium.org, Liam Girdwood <lgirdwood@...il.com>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Patrick Lai <plai@...eaurora.org>,
        Rohit kumar <rohitkr@...eaurora.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Takashi Iwai <tiwai@...e.com>
Subject: Re: [PATCH v4 1/2] ASoC: google: dt-bindings: Add sc7280-herobrine
 machine bindings

On Tue, Nov 2, 2021 at 5:57 AM Srinivasa Rao Mandadapu
<srivasam@...eaurora.org> wrote:
>
>
> On 10/30/2021 12:37 AM, Stephen Boyd wrote:
> Thanks for Your time Stephen!!!
> > Quoting Srinivasa Rao Mandadapu (2021-10-29 08:04:35)
> >> 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..3a781c8
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml
> >> @@ -0,0 +1,170 @@
> >> +# 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
> > Is sound-dai required? And additionalProperties is false? I think we
> > need that yet again.
> Okay. Will mark additionalPropertiesas true.

'additiionalProperties: true' is almost never right. It's generally
only correct for schemas that are incomplete collections of
properties.

Rob