linux-kernel - Re: [PATCH v4 2/4] ASoC: dt-bindings: fsl,imx-asrc: update max interrupt numbers

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Date: Wed, 6 Mar 2024 14:25:37 -0600
From: Rob Herring <robh@...nel.org>
To: Frank Li <Frank.Li@....com>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Shengjiu Wang <shengjiu.wang@....com>, linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/4] ASoC: dt-bindings: fsl,imx-asrc: update max
 interrupt numbers

On Tue, Mar 05, 2024 at 12:33:03PM -0500, Frank Li wrote:
> fsl,imx8qxp-spdif and fsl,imx8qm-spdif have 2 interrupts. Other platforms
> have 1 interrupt.
> 
> Increase max interrupt number to 2 and add restriction for platforms except
> i.MX8QXP and i.MX8QM.
> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  Documentation/devicetree/bindings/sound/fsl,spdif.yaml | 18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/fsl,spdif.yaml b/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
> index 56f8c0c8afdea..7f6590708e1ec 100644
> --- a/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
> +++ b/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
> @@ -31,7 +31,8 @@ properties:
>      maxItems: 1
>  
>    interrupts:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2
>  
>    dmas:
>      items:
> @@ -101,6 +102,21 @@ required:
>  additionalProperties: false
>  
>  allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          enum:
> +            - fsl,imx8qm-spdif
> +            - fsl,imx8qxp-spdif
> +    then:
> +      properties:
> +        interrupts:
> +          minItems: 2

Nowhere is it explained what the 2 interrupts are or what the order of 
them is. Is the first interrupt the same as before, and there is a new 
interrupt for something else? Or it's the same interrupts, but they've 
just split up into 2?

Rob