linux-kernel - Re: [PATCH 1/2] ASoC: dt-bindings: fsl,mqs: make gpr optional for SM-based SoCs

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Message-ID: <aW+q4lrdYJEciNS/@lizhi-Precision-Tower-5810>
Date: Tue, 20 Jan 2026 11:18:42 -0500
From: Frank Li <Frank.li@....com>
To: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Shengjiu Wang <shengjiu.wang@....com>,
	Chancel Liu <chancel.liu@....com>, linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: Re: [PATCH 1/2] ASoC: dt-bindings: fsl,mqs: make gpr optional for
 SM-based SoCs

On Tue, Jan 20, 2026 at 07:03:28AM -0800, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
>
> For SM-based SoCs (i.e. MX95, MX943), GPR configuration is performed by
> the SM coprocessor. Thus, the programming model needs no handle to the
> GPR node. Make it optional.

"programming model" look like software configuration.

Thus, GPR is transparent to software and does not need to be described in the
device tree. Make it optional.

Reviewed-by: Frank Li <Frank.Li@....com>
>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> ---
>  Documentation/devicetree/bindings/sound/fsl,mqs.yaml | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/sound/fsl,mqs.yaml b/Documentation/devicetree/bindings/sound/fsl,mqs.yaml
> index 1415247c92c8..bcc265a742c7 100644
> --- a/Documentation/devicetree/bindings/sound/fsl,mqs.yaml
> +++ b/Documentation/devicetree/bindings/sound/fsl,mqs.yaml
> @@ -63,6 +63,16 @@ required:
>
>  allOf:
>    - $ref: dai-common.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - fsl,imx6sx-mqs
> +              - fsl,imx93-mqs
> +    then:
> +      required:
> +        - gpr
>    - if:
>        properties:
>          compatible:
> @@ -91,8 +101,6 @@ allOf:
>          clock-names:
>            items:
>              - const: mclk
> -      required:
> -        - gpr
>
>  unevaluatedProperties: false
>
> --
> 2.43.0
>