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Message-ID: <4ba7af38-5cc1-428a-afec-75610934fc72@linaro.org>
Date: Thu, 7 Mar 2024 14:50:01 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Prabhakar <prabhakar.csengg@...il.com>,
 Geert Uytterhoeven <geert+renesas@...der.be>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Jiri Slaby <jirislaby@...nel.org>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Magnus Damm <magnus.damm@...il.com>
Cc: linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
 devicetree@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
 Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
 Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v2 2/2] dt-bindings: serial: renesas,scif: Validate
 'interrupts' and 'interrupt-names'

On 07/03/2024 12:42, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> This commit adds support to validate the 'interrupts' and 'interrupt-names'

Please do not use "This commit/patch/change", but imperative mood. See
longer explanation here:
https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95

> properties for every supported SoC. This ensures proper handling and
> configuration of interrupt-related properties across supported platforms.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> v1->v2
> * Defined the properties in top-level block instead of moving into
>   if/else block for each SoC.
> * Used Gen specific callback strings instead of each SoC variant

You are sending quite a lot of patchsets touching the same, all in one
day. This just adds to the confusion.

> ---
>  .../bindings/serial/renesas,scif.yaml         | 90 +++++++++++++------
>  1 file changed, 62 insertions(+), 28 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/serial/renesas,scif.yaml b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> index af72c3420453..6ba6b6d52208 100644
> --- a/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> +++ b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> @@ -83,36 +83,24 @@ properties:
>      maxItems: 1
>  
>    interrupts:
> -    oneOf:
> -      - items:
> -          - description: A combined interrupt
> -      - items:
> -          - description: Error interrupt
> -          - description: Receive buffer full interrupt
> -          - description: Transmit buffer empty interrupt
> -          - description: Break interrupt
> -      - items:
> -          - description: Error interrupt
> -          - description: Receive buffer full interrupt
> -          - description: Transmit buffer empty interrupt
> -          - description: Break interrupt
> -          - description: Data Ready interrupt
> -          - description: Transmit End interrupt
> +    minItems: 1
> +    items:
> +      - description: Error interrupt or single combined interrupt

That's not correct, your first interrupt can be combined.

> +      - description: Receive buffer full interrupt
> +      - description: Transmit buffer empty interrupt
> +      - description: Break interrupt
> +      - description: Data Ready interrupt
> +      - description: Transmit End interrupt
>  
>    interrupt-names:
> -    oneOf:
> -      - items:
> -          - const: eri
> -          - const: rxi
> -          - const: txi
> -          - const: bri
> -      - items:
> -          - const: eri
> -          - const: rxi
> -          - const: txi
> -          - const: bri
> -          - const: dri
> -          - const: tei
> +    minItems: 4
> +    items:
> +      - const: eri
> +      - const: rxi
> +      - const: txi
> +      - const: bri
> +      - const: dri
> +      - const: tei
>  
>    clocks:
>      minItems: 1
> @@ -173,6 +161,52 @@ allOf:
>        required:
>          - resets
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - renesas,rcar-gen1-scif
> +              - renesas,rcar-gen2-scif
> +              - renesas,rcar-gen3-scif
> +              - renesas,rcar-gen4-scif
> +    then:
> +      properties:
> +        interrupts:
> +          maxItems: 1

You need to list the items here.

> +
> +        interrupt-names: false
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - renesas,scif-r7s72100
> +    then:
> +      properties:
> +        interrupts:
> +          minItems: 4
> +          maxItems: 4

List the items

> +
> +        interrupt-names:
> +          maxItems: 4
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - renesas,scif-r7s9210
> +              - renesas,scif-r9a07g044
> +    then:
> +      properties:
> +        interrupts:
> +          minItems: 6

List the items

> +
> +        interrupt-names:
> +          minItems: 6
> +
>  unevaluatedProperties: false
>  
>  examples:

Best regards,
Krzysztof


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