linux-kernel - Re: [PATCH v3 6/9] dt-bindings: interrupt-controller: realtek,rtl-intc: Add rtl9300-intc

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Date: Thu, 27 Jun 2024 09:41:11 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Chris Packham <chris.packham@...iedtelesis.co.nz>, tglx@...utronix.de,
 robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 tsbogend@...ha.franken.de, daniel.lezcano@...aro.org, paulburton@...nel.org,
 peterz@...radead.org, mail@...ger-koblitz.de, bert@...t.com,
 john@...ozen.org, sander@...nheule.net
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-mips@...r.kernel.org, kabel@...nel.org, ericwouds@...il.com
Subject: Re: [PATCH v3 6/9] dt-bindings: interrupt-controller:
 realtek,rtl-intc: Add rtl9300-intc

On 27/06/2024 06:33, Chris Packham wrote:
> Add a compatible string for the interrupt controller found on the
> rtl930x SoCs. The interrupt controller has registers for VPE1 so these
> are added as a second reg cell.
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> ---
> 
> Notes:
>     Changes in v3:
>     - Use items to describe the regs property
>     Changes in v2:
>     - Set reg:maxItems to 2 to allow for VPE1 registers on the rtl9300. Add
>       a condition to enforce the old limit on other SoCs.
>     - Connor and Krzysztof offered acks on v1 but I think the changes here
>       are big enough to void those.
> 
>  .../interrupt-controller/realtek,rtl-intc.yaml | 18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml
> index fb5593724059..d0e5bdf45d05 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml
> +++ b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml
> @@ -25,6 +25,7 @@ properties:
>        - items:
>            - enum:
>                - realtek,rtl8380-intc
> +              - realtek,rtl9300-intc
>            - const: realtek,rtl-intc
>        - const: realtek,rtl-intc
>          deprecated: true
> @@ -35,7 +36,9 @@ properties:
>      const: 1
>  
>    reg:
> -    maxItems: 1

Missing minItems (as testing would tell you)

> +    items:
> +      - description: vpe0 registers
> +      - description: vpe1 registers
>  
>    interrupts:
>      minItems: 1
> @@ -71,6 +74,19 @@ allOf:
>      else:
>        required:
>          - interrupts
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: realtek,rtl9300-intc
> +    then:
> +      properties:
> +        reg:

Needed is: minItems: 2

> +          maxItems: 2
> +    else:
> +      properties:
> +        reg:
> +          maxItems: 1
>  
>  additionalProperties: false
>  

Best regards,
Krzysztof