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Date:   Thu, 6 Aug 2020 08:39:12 -0600
From:   Rob Herring <robh@kernel.org>
To:     Cheng-Yi Chiang <cychiang@chromium.org>
Cc:     linux-kernel@vger.kernel.org, Mark Brown <broonie@kernel.org>,
        Taniya Das <tdas@codeaurora.org>,
        Rohit kumar <rohitkr@codeaurora.org>,
        Banajit Goswami <bgoswami@codeaurora.org>,
        Patrick Lai <plai@codeaurora.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Jaroslav Kysela <perex@perex.cz>,
        Takashi Iwai <tiwai@suse.com>,
        Srini Kandagatla <srinivas.kandagatla@linaro.org>,
        Stephan Gerhold <stephan@gerhold.net>, dianders@chromium.org,
        dgreid@chromium.org, tzungbi@chromium.org,
        linux-arm-kernel@lists.infradead.org,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        alsa-devel@alsa-project.org
Subject: Re: [PATCH v4 1/2] ASoC: qcom: dt-bindings: Add sc7180 machine
 bindings
Message-ID: <20200806143912.GA816294@bogus>
References: <20200803040122.2063634-1-cychiang@chromium.org>
 <20200803040122.2063634-2-cychiang@chromium.org>
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On Mon, Aug 03, 2020 at 12:01:21PM +0800, Cheng-Yi Chiang wrote:
> Add devicetree bindings documentation file for sc7180 sound card.
> 
> Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
> ---
>  .../bindings/sound/qcom,sc7180.yaml           | 113 ++++++++++++++++++
>  1 file changed, 113 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
> new file mode 100644
> index 000000000000..c74f0fe9fb3b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
> @@ -0,0 +1,113 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/qcom,sc7180.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies Inc. SC7180 ASoC sound card driver
> +
> +maintainers:
> +  - Rohit kumar <rohitkr@codeaurora.org>
> +  - Cheng-Yi Chiang <cychiang@chromium.org>
> +
> +description:
> +  This binding describes the SC7180 sound card which uses LPASS for audio.
> +
> +properties:
> +  compatible:
> +    contains:
> +      const: qcom,sc7180-sndcard
> +
> +  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
> +
> +  aux-dev:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: phandle of the codec for headset detection
> +
> +patternProperties:
> +  "^dai-link(@[0-9]+)?$":
> +    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:
> +        description: dai link address.
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +        maxItems: 1
> +
> +      cpu:
> +        description: Holds subnode which indicates cpu dai.
> +        type: object
> +        properties:
> +          sound-dai: true
> +
> +      codec:
> +        description: Holds subnode which indicates codec dai.
> +        type: object
> +        properties:
> +          sound-dai: true
> +
> +    required:
> +      - link-name
> +      - cpu
> +      - codec
> +
> +    additionalProperties: false

Nothing required?

Add:

additionalProperties: false

(And you'll need to define #address-cells and #size-cells)

> +
> +examples:
> +
> +  - |
> +    sound {
> +        compatible = "qcom,sc7180-sndcard";
> +        model = "sc7180-snd-card";
> +
> +        audio-routing =
> +                    "Headphone Jack", "HPOL",
> +                    "Headphone Jack", "HPOR";
> +
> +        aux-dev = <&alc5682>;
> +
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        dai-link@0 {
> +            link-name = "MultiMedia0";
> +            reg = <0>;
> +            cpu {
> +                sound-dai = <&lpass_cpu 0>;
> +            };
> +
> +            codec {
> +                sound-dai = <&alc5682 0>;
> +            };
> +        };
> +
> +        dai-link@1 {
> +            link-name = "MultiMedia1";
> +            reg = <1>;
> +            cpu {
> +                sound-dai = <&lpass_cpu 1>;
> +            };
> +
> +            codec {
> +                sound-dai = <&max98357a>;
> +            };
> +        };
> +    };
> -- 
> 2.28.0.163.g6104cc2f0b6-goog
>