linux-kernel - Re: [v4 16/18] dt-bindings: mediatek: mt8186: add mt8186-mt6366-da7219-max98357 document

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Message-ID: <5e400f7ccb3b208a033e2ad8f220331851ff9c7e.camel@mediatek.com>
Date:   Fri, 29 Apr 2022 17:40:02 +0800
From:   Jiaxin Yu <jiaxin.yu@...iatek.com>
To:     Rob Herring <robh@...nel.org>
CC:     <broonie@...nel.org>, <angelogioacchino.delregno@...labora.com>,
        <devicetree@...r.kernel.org>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        <tzungbi@...gle.com>, <linux-mediatek@...ts.infradead.org>,
        <trevor.wu@...iatek.com>, <matthias.bgg@...il.com>,
        <aaronyu@...gle.com>, <julianbraha@...il.com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [v4 16/18] dt-bindings: mediatek: mt8186: add
 mt8186-mt6366-da7219-max98357 document

On Thu, 2022-04-28 at 09:31 -0500, Rob Herring wrote:
> On Thu, Apr 28, 2022 at 05:33:53PM +0800, Jiaxin Yu wrote:
> > Add document for mt8186 board with mt6366, da7219 and max98357.
> > 
> > Signed-off-by: Jiaxin Yu <jiaxin.yu@...iatek.com>
> > ---
> >  .../sound/mt8186-mt6366-da7219-max98357.yaml  | 71
> > +++++++++++++++++++
> >  1 file changed, 71 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/sound/mt8186-
> > mt6366-da7219-max98357.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/sound/mt8186-mt6366-
> > da7219-max98357.yaml
> > b/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-
> > max98357.yaml
> > new file mode 100644
> > index 000000000000..55e8649f2aea
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-
> > max98357.yaml
> > @@ -0,0 +1,71 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: 
> > http://devicetree.org/schemas/sound/mt8186-mt6366-da7219-max98357.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Mediatek MT8186 with MT6366, DA7219 and MAX98357 ASoC sound
> > card driver
> > +
> > +maintainers:
> > +  - Jiaxin Yu <jiaxin.yu@...iatek.com>
> > +
> > +description:
> > +  This binding describes the MT8186 sound card.
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - mediatek,mt8186_mt6366_da7219_max98357_sound
> 
> s/_/-/
> 
Got it.
> > +
> > +  mediatek,platform:
> > +    $ref: "/schemas/types.yaml#/definitions/phandle"
> > +    description: The phandle of MT8186 ASoC platform.
> > +
> > +  headset-codec:
> > +    type: object
> 
>        additionalProperties: false
Ditto.
> 
> > +    properties:
> > +      sound-dai:
> > +        $ref: /schemas/types.yaml#/definitions/phandle
> 
> sound-dai already has a type, so drop and define how many entries.
> 
Ditto.
> > +    required:
> > +        - sound-dai
> > +

The indentation of this line is incorrect. I will fix it.

> > +  playback-codecs:
> > +    type: object
> 
>        additionalProperties: false
> 
Got it.
> > +    properties:
> > +      sound-dai:
> > +        minItems: 2
> > +        maxItems: 3
> 
> If more than 1 entry, then you need to define what each one is and
> the 
> order. Just like reg, interrupts, clocks, etc.
> 
Hi Rob,

Should I correct them as below?

---
properties:
  sound-dai:
    minItems: 2
    maxItems: 3
    items:
      - items:
          - description: xxx
          - description: yyy
          - description: zzz

> > +        $ref: /schemas/types.yaml#/definitions/phandle-array
> 
> Drop
> 
Got it.
> > +    required:
> > +        - sound-dai
> > +
> > +additionalProperties: false
> > +
> > +required:
> > +  - compatible
> > +  - mediatek,platform
> > +  - headset-codec
> > +  - playback-codecs
> > +
> > +examples:
> > +  - |
> > +
> > +    sound: mt8186-sound {
> > +        compatible =
> > "mediatek,mt8186_mt6366_da7219_max98357_sound";
> > +        mediatek,platform = <&afe>;
> > +        pinctrl-names = "aud_clk_mosi_off",
> > +                        "aud_clk_mosi_on";
> > +        pinctrl-0 = <&aud_clk_mosi_off>;
> > +        pinctrl-1 = <&aud_clk_mosi_on>;
> > +
> > +        headset-codec {
> > +            sound-dai = <&da7219>;
> > +        };
> > +
> > +        playback-codecs {
> > +            sound-dai = <&anx_bridge_dp>,
> > +                        <&max98357a>;
> > +        };
> > +    };
> > +
> > +...
> > -- 
> > 2.25.1
> >