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Date: Mon, 25 Mar 2024 16:21:02 +0000
From: Biju Das <biju.das.jz@...renesas.com>
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-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	"linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, Prabhakar Mahadev Lad
	<prabhakar.mahadev-lad.rj@...renesas.com>
Subject: RE: [PATCH v4 2/5] dt-bindings: serial: renesas,scif: Validate
 'interrupts' and 'interrupt-names'

Hi Prabhakar,

> -----Original Message-----
> From: Prabhakar <prabhakar.csengg@...il.com>
> Sent: Friday, March 22, 2024 2:44 PM
> Subject: [PATCH v4 2/5] dt-bindings: serial: renesas,scif: Validate 'interrupts' and 'interrupt-
> names'
> 
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> This commit adds support to validate the 'interrupts' and 'interrupt-names'
> 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>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
> v3->v4
> - Reverted back to v2 version of the patch.
> - Used suggestion from Krzysztof for interrupts
> - Restored RB tag from Geert
> 
> v2->v3
> - Listed interrupts and interrupt-names for every SoC in if check
> ---
>  .../bindings/serial/renesas,scif.yaml         | 73 ++++++++++++++-----
>  1 file changed, 55 insertions(+), 18 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> index af72c3420453..eb2aa5e75e02 100644
> --- a/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> +++ b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> @@ -86,11 +86,6 @@ properties:
>      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 @@ -98,21 +93,17 @@ properties:
>            - description: Break interrupt
>            - description: Data Ready interrupt
>            - description: Transmit End interrupt
> +        minItems: 4

I think here minItems is 1 as it is either 1 or 4 or 6

Cheers,
Biju

> 
>    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 +164,52 @@ 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
> +
> +        interrupt-names: false
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - renesas,scif-r7s72100
> +    then:
> +      properties:
> +        interrupts:
> +          minItems: 4
> +          maxItems: 4
> +
> +        interrupt-names:
> +          maxItems: 4
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - renesas,scif-r7s9210
> +              - renesas,scif-r9a07g044
> +    then:
> +      properties:
> +        interrupts:
> +          minItems: 6
> +
> +        interrupt-names:
> +          minItems: 6
> +
>  unevaluatedProperties: false
> 
>  examples:
> --
> 2.34.1
> 


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