linux-kernel - Re: [PATCH v3 2/6] dt-bindings: i2c: renesas,riic: Document RZ/T2H support

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Message-ID: <CAMuHMdVRFUb0ht8K4ONhSn8rh7X23=vaxnZuKJ0sLFDRLwOLBA@mail.gmail.com>
Date: Thu, 19 Jun 2025 15:50:09 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Chris Brandt <chris.brandt@...esas.com>, Andi Shyti <andi.shyti@...nel.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Andy Shevchenko <andy@...nel.org>, Magnus Damm <magnus.damm@...il.com>, 
	Wolfram Sang <wsa+renesas@...g-engineering.com>, linux-renesas-soc@...r.kernel.org, 
	linux-i2c@...r.kernel.org, devicetree@...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>, 
	Conor Dooley <conor.dooley@...rochip.com>
Subject: Re: [PATCH v3 2/6] dt-bindings: i2c: renesas,riic: Document RZ/T2H support

On Fri, 13 Jun 2025 at 13:40, Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Document support for the I2C Bus Interface (RIIC) found on the Renesas
> RZ/T2H (R9A09G077) SoC. The RIIC IP on this SoC is similar to that on
> the RZ/V2H(P) SoC but supports fewer interrupts, lacks FM+ support and
> does not require resets. Due to these differences, add a new compatible
> string `renesas,riic-r9a09g077` for the RZ/T2H SoC.
>
> Unlike earlier SoCs that use eight distinct interrupts, the RZ/T2H uses
> only four, including a combined error/event interrupt. Update the binding
> schema to reflect this interrupt layout and skip the `resets` property
> check, as it is not required on these SoCs.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Acked-by: Conor Dooley <conor.dooley@...rochip.com>
> Reviewed-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> ---
> v2->v3:
> - Replaced Transmit Error -> `Transfer Error`
> - Fixed the order of interrupts in the DT binding
>   documentation to match the HW manual.

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

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