linux-kernel - Re: [PATCH 5/5] ASoC: dt-bindings: mediatek,mt8188-mt6359: update properties

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Date:   Wed, 17 May 2023 16:43:15 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Trevor Wu <trevor.wu@...iatek.com>, broonie@...nel.org,
        lgirdwood@...il.com, tiwai@...e.com, perex@...ex.cz,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, matthias.bgg@...il.com,
        angelogioacchino.delregno@...labora.com
Cc:     alsa-devel@...a-project.org, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 5/5] ASoC: dt-bindings: mediatek,mt8188-mt6359: update
 properties

On 17/05/2023 13:15, Trevor Wu wrote:
> Add compatible string "mediatek,mt8188-nau8825" to support new board
> with nau8825 codec.

Subject: everything can be update of properties. Rephrase to focus on
actual change, e.g. on adding NAU8825.

> 
> ADDA_BE is used to connect to mt6359. For the machine, it must be
> fixed to the same codec and configured on the machine driver. Remove
> ADDA_BE from items of link-name.

I don't understand the justification for this. If this is not a correct
link name for MT6359 setup, then it should be removed in its own patch.
If this is removed because of adding NAU8825, then why does it affect
MT6359?

> 
> Introduce two properties "dai-format" and "mediatek,clk-provider" under
> dai-link subnode to configure dai-link parameters via dts.
> 
> "codec" property is removed from required property of dai-link subnode.
> For co-clock case, it's possible two dai-links should be configured to
> the same format, but only one dai-link builds link with codec.
> 
> Signed-off-by: Trevor Wu <trevor.wu@...iatek.com>
> ---
>  .../sound/mediatek,mt8188-mt6359.yaml         | 27 ++++++++++++++++---
>  1 file changed, 23 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml
> index 6640272b3f4f..05e532b5d50a 100644
> --- a/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml
> +++ b/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml
> @@ -11,7 +11,9 @@ maintainers:
>  
>  properties:
>    compatible:
> -    const: mediatek,mt8188-mt6359-evb
> +    enum:
> +      - mediatek,mt8188-mt6359-evb
> +      - mediatek,mt8188-nau8825
>  
>    model:
>      $ref: /schemas/types.yaml#/definitions/string
> @@ -42,7 +44,6 @@ patternProperties:
>            we are going to update parameters in this node.
>          items:
>            enum:
> -            - ADDA_BE


Best regards,
Krzysztof