linux-kernel - Re: [PATCH 1/2] dt-bindings: timer: renesas,ostm: Document RZ/V2N (R9A09G056) support

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Message-ID: <CAMuHMdVjCE5-X3AmDy1=UHGPb7kmi_kpBX79s1t0g76-__sc6Q@mail.gmail.com>
Date: Fri, 2 May 2025 13:53:05 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>, Thomas Gleixner <tglx@...utronix.de>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Maxime Coquelin <mcoquelin.stm32@...il.com>, Alexandre Torgue <alexandre.torgue@...s.st.com>, 
	Magnus Damm <magnus.damm@...il.com>, Chris Brandt <chris.brandt@...esas.com>, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-stm32@...md-mailman.stormreply.com, 
	linux-arm-kernel@...ts.infradead.org, linux-renesas-soc@...r.kernel.org, 
	Biju Das <biju.das.jz@...renesas.com>, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 1/2] dt-bindings: timer: renesas,ostm: Document RZ/V2N
 (R9A09G056) support

On Thu, 1 May 2025 at 14:37, Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Document support for the Renesas OS Timer (OSTM) found on the Renesas
> RZ/V2N (R9A09G056) SoC. The OSTM IP on RZ/V2N is identical to that on
> other RZ families, so no driver changes are required as `renesas,ostm`
> will be used as fallback compatible.
>
> Also include RZ/V2N in the list of compatibles for which the `resets`
> property is required.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

> --- a/Documentation/devicetree/bindings/timer/renesas,ostm.yaml
> +++ b/Documentation/devicetree/bindings/timer/renesas,ostm.yaml
> @@ -26,6 +26,7 @@ properties:
>            - renesas,r9a07g043-ostm # RZ/G2UL and RZ/Five
>            - renesas,r9a07g044-ostm # RZ/G2{L,LC}
>            - renesas,r9a07g054-ostm # RZ/V2L
> +          - renesas,r9a09g056-ostm # RZ/V2N
>            - renesas,r9a09g057-ostm # RZ/V2H(P)
>        - const: renesas,ostm        # Generic
>
> @@ -59,6 +60,7 @@ if:
>            - renesas,r9a07g043-ostm
>            - renesas,r9a07g044-ostm
>            - renesas,r9a07g054-ostm
> +          - renesas,r9a09g056-ostm
>            - renesas,r9a09g057-ostm

Looks like we have reached critical mass to invert the logic?

    not:
      contains:
        - renesas,r7s72100-ostm
        - renesas,r7s9210-ostm

?

>  then:
>    required:

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds