linux-kernel - Re: [PATCH v2 05/16] dt-bindings: interrupt-controller: apple,aic2: Add apple,t8112-aic compatible

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Message-ID: <c16693a0-d28f-b83f-e2b9-6e4451b68d7c@linaro.org>
Date:   Tue, 14 Feb 2023 12:06:07 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Janne Grunau <j@...nau.net>, Hector Martin <marcan@...can.st>,
        Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mark Kettenis <kettenis@...nbsd.org>
Cc:     asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Marc Zyngier <maz@...nel.org>
Subject: Re: [PATCH v2 05/16] dt-bindings: interrupt-controller: apple,aic2:
 Add apple,t8112-aic compatible

On 14/02/2023 12:03, Janne Grunau wrote:
> The Apple M2 SoC uses AICv2 and is compatible with the existing driver.
> Add its per-SoC compatible.
> Since multi-die versions of the M2 are not expected decrease
> '#interrupt-cells' to 3 for apple,t8112-aic. This is seamlessly handled
> inside the driver.
> 

Thank you for your patch. There is something to discuss/improve.

>  
> -      The 2nd cell contains the die ID.
> +      The 2nd cell contains the die ID (only present on apple,t6000-aic).
>  
>        The next cell contains the interrupt number.
>          - HW IRQs: interrupt number
> @@ -110,6 +113,20 @@ additionalProperties: false
>  allOf:
>    - $ref: /schemas/interrupt-controller.yaml#
>  
> +if:

This should be under "allOf" (as next entry so "  - if:").

> +  properties:
> +    compatible:
> +      contains:
> +        const: apple,t8112-aic
> +then:
> +  properties:
> +    '#interrupt-cells':
> +      const: 3
> +else:
> +  properties:
> +    '#interrupt-cells':
> +      const: 4
> +
>  examples:
>    - |
>      soc {
> 

Best regards,
Krzysztof