linux-kernel - Re: [PATCH v6 02/13] dt-bindings: clock: Add cpg for the Renesas RZ/T2H SoC

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Message-ID: <20250331235933.GA2857038-robh@kernel.org>
Date: Mon, 31 Mar 2025 18:59:33 -0500
From: Rob Herring <robh@...nel.org>
To: Thierry Bultel <thierry.bultel.yh@...renesas.com>
Cc: thierry.bultel@...atsea.fr, linux-renesas-soc@...r.kernel.org,
	geert@...ux-m68k.org, paul.barker.ct@...renesas.com,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 02/13] dt-bindings: clock: Add cpg for the Renesas
 RZ/T2H SoC

On Mon, Mar 31, 2025 at 02:26:43PM +0200, Thierry Bultel wrote:
> Document RZ/T2H (a.k.a r9a09g077) cpg-mssr (Clock Pulse Generator) binding.
> 
> Signed-off-by: Thierry Bultel <thierry.bultel.yh@...renesas.com>
> ---
> Changes v5->v6:
>   - Set clock minItem constraint
>   - Moved additionalProperties after 'allOf' section
> Changes v4->v5:
>   - Set reg minItems and maxItems defaults at top level
> Changes v3->v4:
>   - Handle maxItems and clocks names properly in schema. 
> ---
>  .../bindings/clock/renesas,cpg-mssr.yaml      | 57 +++++++++++++------
>  .../clock/renesas,r9a09g077-cpg-mssr.h        | 49 ++++++++++++++++
>  2 files changed, 90 insertions(+), 16 deletions(-)
>  create mode 100644 include/dt-bindings/clock/renesas,r9a09g077-cpg-mssr.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml
> index 77ce3615c65a..dee4c44ef025 100644
> --- a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml
> +++ b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml
> @@ -52,9 +52,11 @@ properties:
>        - renesas,r8a779f0-cpg-mssr # R-Car S4-8
>        - renesas,r8a779g0-cpg-mssr # R-Car V4H
>        - renesas,r8a779h0-cpg-mssr # R-Car V4M
> +      - renesas,r9a09g077-cpg-mssr # RZ/T2H
>  
>    reg:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2

You need to define what each entry is. And do that here assuming the 
first entry is the same in either case.