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

From: Rob Herring
Date: Mon Mar 31 2025 - 19:59:41 EST


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@xxxxxxxxxxxxxx>
> ---
> 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.