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From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Wed, 13 Sep 2023 17:16:52 +0200
Message-ID: <CAMuHMdWntLTk9ZmAF1voE-tdB+4vVzE804h=qsfaoN-8_6RN_Q@mail.gmail.com>
Subject: Re: [PATCH 35/37] dt-bindings: arm: renesas: document SMARC
 Carrier-II EVK
To:     claudiu beznea <claudiu.beznea@tuxon.dev>
Cc:     Rob Herring <robh@kernel.org>, mturquette@baylibre.com,
        sboyd@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        conor+dt@kernel.org, ulf.hansson@linaro.org,
        linus.walleij@linaro.org, gregkh@linuxfoundation.org,
        jirislaby@kernel.org, magnus.damm@gmail.com,
        catalin.marinas@arm.com, will@kernel.org,
        prabhakar.mahadev-lad.rj@bp.renesas.com,
        biju.das.jz@bp.renesas.com, quic_bjorande@quicinc.com,
        arnd@arndb.de, konrad.dybcio@linaro.org, neil.armstrong@linaro.org,
        nfraprado@collabora.com, rafal@milecki.pl,
        wsa+renesas@sang-engineering.com,
        linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org,
        linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
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Hi Claudiu,

On Wed, Sep 13, 2023 at 7:32 AM claudiu beznea <claudiu.beznea@tuxon.dev> wrote:
> On 12.09.2023 19:16, Rob Herring wrote:
> > On Tue, Sep 12, 2023 at 07:51:55AM +0300, Claudiu wrote:
> >> From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
> >>
> >> Document Renesas SMARC Carrier-II EVK board which is based on RZ/G3S
> >> (R9A08G045) SoC. The SMARC Carrier-II EVK consists of RZ/G3S SoM module and
> >> SMARC Carrier-II carrier board, the SoM module sits on top of carrier
> >> board.
> >>
> >> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

Thanks for your patch!

> >> --- a/Documentation/devicetree/bindings/soc/renesas/renesas.yaml
> >> +++ b/Documentation/devicetree/bindings/soc/renesas/renesas.yaml
> >> @@ -476,6 +476,8 @@ properties:
> >>
> >>        - description: RZ/G3S (R9A08G045)
> >>          items:
> >> +          - enum:
> >> +              - renesas,smarc2-evk # SMARC Carrier-II EVK
> >
> > You just changed the existing binding...
> >
> >>            - enum:
> >>                - renesas,r9a08g045s33 # PCIe support
> >
> > This is the SoM module?
>
> No, this is a SoC variant which supports PCIe.

Ideally, we need a compatible value for the SoM as well, as the SoM
can be used stand-alone, or plugged in a different carrier board.

For iWave Systems RZ/G1E SODIMM, we have that.
For the existing RZ/G2L variants, we forgot, but it can still be added...

>
> > You either need to squash this change or add
> > another case with 3 entries and maintain the 2 entry case. (there's no
> > way to express any entry at the beginning or middle can be optional)
> >
> >>            - const: renesas,r9a08g045

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-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