linux-kernel - Re: [PATCH v2 03/13] dt-bindings: serial: Add compatible for Renesas RZ/T2H SoC in sci

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Message-ID: <CAMuHMdUs3uv-yhJxVTot7t3BjXcMDm=sWu-MTRv=-D5PrqX_zg@mail.gmail.com>
Date: Mon, 17 Feb 2025 13:29:47 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Thierry Bultel <thierry.bultel.yh@...renesas.com>
Cc: thierry.bultel@...atsea.fr, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jirislaby@...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-renesas-soc@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org, 
	devicetree@...r.kernel.org
Subject: Re: [PATCH v2 03/13] dt-bindings: serial: Add compatible for Renesas
 RZ/T2H SoC in sci

Hi Thierry,

On Mon, 17 Feb 2025 at 13:20, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> On Mon, 17 Feb 2025 at 11:54, Thierry Bultel
> <thierry.bultel.yh@...renesas.com> wrote:
> > Document RZ/T2H (a.k.a r9a09g077) in SCI binding.
> >
> > Signed-off-by: Thierry Bultel <thierry.bultel.yh@...renesas.com>
>
> Thanks for your patch!
>
> > --- a/Documentation/devicetree/bindings/serial/renesas,sci.yaml
> > +++ b/Documentation/devicetree/bindings/serial/renesas,sci.yaml
> > @@ -20,6 +20,7 @@ properties:
> >                - renesas,r9a07g043-sci     # RZ/G2UL and RZ/Five
> >                - renesas,r9a07g044-sci     # RZ/G2{L,LC}
> >                - renesas,r9a07g054-sci     # RZ/V2L
> > +              - renesas,r9a09g077-sci     # RZ/T2H
>
> As the RZ/T2H SCI does not work with a generic SCI driver, it cannot
> use renesas,sci as a fallback, but needs its own section.
>
> >            - const: renesas,sci            # generic SCI compatible UART

As the RZ/T2H SCI does support RTS/CTS, the line

  uart-has-rtscts: false

needs to become conditional.

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