Re: [PATCH 1/3] ASoC: dt-bindings: mediatek: mt8192: Add i2s-share properties

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On Fri, Apr 29, 2022 at 04:30:37PM -0400, Nícolas F. R. A. Prado wrote:
> The Mediatek AFE PCM controller for MT8192 allows sharing of an I2S bus
> between two busses. Add a pattern for these properties in the
> dt-binding.
> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> 
> ---
> 
>  Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml
> index 7a25bc9b8060..5b03c8dbf318 100644
> --- a/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml
> +++ b/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml
> @@ -54,6 +54,11 @@ properties:
>        - const: aud_infra_clk
>        - const: aud_infra_26m_clk
>  
> +patternProperties:
> +  "^i2s[0-35-9]-share$":
> +    description: Name of the I2S bus that is shared with this bus
> +    pattern: "^I2S[0-35-9]$"

Why not a phandle to the the other bus? That would be the DT way to do 
it. But I'm not sure I really understand who is sharing what here.

> +
>  required:
>    - compatible
>    - interrupts
> -- 
> 2.36.0
> 
> 



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