Re: [PATCH 7/7] ASoC: dt-bindings: mediatek,mt8188-afe: add audio properties

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On 13/04/2023 12:47, Trevor Wu wrote:
> Assign top_a1sys_hp clock to 26M, and add apll1_d4 to clocks for switching
> the parent of top_a1sys_hp dynamically
> On the other hand, "mediatek,infracfg" is included for bus protection.
> 
> Signed-off-by: Trevor Wu <trevor.wu@xxxxxxxxxxxx>
> ---
>  .../bindings/sound/mediatek,mt8188-afe.yaml    | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
> index 82ccb32f08f2..03301d5082f3 100644
> --- a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
> +++ b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
> @@ -29,6 +29,10 @@ properties:
>      $ref: /schemas/types.yaml#/definitions/phandle
>      description: The phandle of the mediatek topckgen controller
>  
> +  mediatek,infracfg:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: The phandle of the mediatek infracfg controller
> +
>    power-domains:
>      maxItems: 1
>  
> @@ -37,6 +41,7 @@ properties:
>        - description: 26M clock
>        - description: audio pll1 clock
>        - description: audio pll2 clock
> +      - description: audio pll1 divide 4
>        - description: clock divider for i2si1_mck
>        - description: clock divider for i2si2_mck
>        - description: clock divider for i2so1_mck
> @@ -58,6 +63,7 @@ properties:
>        - const: clk26m
>        - const: apll1
>        - const: apll2
> +      - const: apll1_d4

Why do you add clocks in the middle? The order is strict, so you just
broke all DTS.

>        - const: apll12_div0
>        - const: apll12_div1
>        - const: apll12_div2
> @@ -74,6 +80,12 @@ properties:
>        - const: i2si2_m_sel
>        - const: adsp_audio_26m
>  
> +  assigned-clocks:
> +    maxItems: 1
> +
> +  assigned-clock-parents:
> +    maxItems: 1

Usually these two are not needed.

> +
>    mediatek,etdm-in1-cowork-source:
>      $ref: /schemas/types.yaml#/definitions/uint32
>      description:
> @@ -147,6 +159,8 @@ required:
>    - power-domains
>    - clocks
>    - clock-names
> +  - assigned-clocks
> +  - assigned-clock-parents

Why making them required?
Best regards,
Krzysztof




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