linux-kernel - Re: [PATCH v7 2/3] ASoC: qcom: dt-bindings: Add sc7180 machine bindings

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Message-ID: <20200908203357.GA861143@bogus>
Date:   Tue, 8 Sep 2020 14:33:57 -0600
From:   Rob Herring <robh@...nel.org>
To:     Cheng-Yi Chiang <cychiang@...omium.org>
Cc:     linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>,
        Taniya Das <tdas@...eaurora.org>,
        Rohit kumar <rohitkr@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Patrick Lai <plai@...eaurora.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Srini Kandagatla <srinivas.kandagatla@...aro.org>,
        Stephan Gerhold <stephan@...hold.net>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Heiko Stuebner <heiko@...ech.de>, dianders@...omium.org,
        dgreid@...omium.org, tzungbi@...omium.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        alsa-devel@...a-project.org, linux-mediatek@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v7 2/3] ASoC: qcom: dt-bindings: Add sc7180 machine
 bindings

On Mon, Sep 07, 2020 at 06:00:38PM +0800, Cheng-Yi Chiang wrote:
> Add devicetree bindings documentation file for sc7180 sound card.
> 
> Signed-off-by: Cheng-Yi Chiang <cychiang@...omium.org>
> ---
>  .../bindings/sound/qcom,sc7180.yaml           | 143 ++++++++++++++++++
>  1 file changed, 143 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..ae809346ca80
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
> @@ -0,0 +1,143 @@
> +# 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@...eaurora.org>
> +  - Cheng-Yi Chiang <cychiang@...omium.org>
> +
> +description:
> +  This binding describes the SC7180 sound card which uses LPASS for audio.
> +
> +properties:
> +  compatible:
> +    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
> +
> +  headset-jack:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: phandle of the codec for headset detection
> +
> +  hdmi-jack:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: phandle of the codec for hdmi jack detection

You already have links to these devices. Why duplicate it here? 

What if you had 2 headsets? This doesn't scale.

Rob