linux-kernel - Re: [PATCH v4 3/4] dt-bindings: can: renesas,rcar-canfd: Document RZ/T2H and RZ/N2H SoCs

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Message-ID: <CAMuHMdWJhmOcem=Au9xnrUGawjCMEsj=7LJFStcMRH5ZSPpwJw@mail.gmail.com>
Date: Thu, 15 Jan 2026 11:12:20 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Marc Kleine-Budde <mkl@...gutronix.de>, Vincent Mailhol <mailhol@...nel.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Magnus Damm <magnus.damm@...il.com>, linux-can@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-renesas-soc@...r.kernel.org, 
	linux-kernel@...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 v4 3/4] dt-bindings: can: renesas,rcar-canfd: Document
 RZ/T2H and RZ/N2H SoCs

On Wed, 14 Jan 2026 at 16:45, Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Document the CAN-FD controller used on the RZ/T2H and RZ/N2H SoCs. The
> CAN-FD IP is largely compatible with the R-Car Gen4 block, but differs
> in that AFLPN and CFTML are different, there is no reset line for the IP,
> and it only supports two channels.
>
> Sync the resets and reset-names schema handling with other CAN-FD SoCs so
> DT validation stays consistent and maintainable.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> v3->v4:
> - Dropped Reviewed-by from Geert due to below changes.
> - Updated commit message.
> - Moved single compatible entries into an enum and to below oneOf.
> - Synced the resets/reset-names handling with other similar SoCs.

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
But I am not sure this is better than v3, as it is 15 lines longer.

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