linux-kernel - Re: [PATCH v2 1/4] dt-bindings: i2c: renesas,riic: Document R9A09G057 support

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Message-ID: <CAMuHMdUZhnf96M2MgLepu04J84jz_B_vZEtQYQZefsFu1rYfeg@mail.gmail.com>
Date: Fri, 15 Mar 2024 19:35:08 +0100
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+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...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, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v2 1/4] dt-bindings: i2c: renesas,riic: Document R9A09G057 support

Hi Prabhakar,,

On Fri, Mar 15, 2024 at 1:50 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> On Fri, Mar 15, 2024 at 11:31 AM Prabhakar <prabhakar.csengg@...il.com> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> >
> > Document support for the I2C Bus Interface (RIIC) available in the
> > Renesas RZ/V2H(P) (R9A09G057) SoC.
> >
> > The RIIC interface in the Renesas RZ/V2H(P) differs from RZ/A in a
> > couple of ways:
> > - Register offsets for the RZ/V2H(P) SoC differ from those of the
> >   RZ/A SoC.
> > - RZ/V2H register access is limited to 8-bit, whereas RZ/A supports
> >   8/16/32-bit.
> > - RZ/V2H has bit differences in the slave address register.
> >
> > To accommodate these differences in the existing driver, a new compatible
> > string "renesas,riic-r9a09g057" is added.

As it looks like there will be a v3 of this series, please drop "in
the existing driver".

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68korg

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