linux-kernel - Re: [PATCH 01/16] dt-bindings: arm: renesas: Document Renesas RZ/G2UL SoC

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Message-ID: <CAMuHMdU40pLb3LvEghkT0pryLtHdXj+U1R7Y7L6-_6euVohyUw@mail.gmail.com>
Date:   Fri, 21 May 2021 15:22:59 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Biju Das <biju.das.jz@...renesas.com>,
        Prabhakar <prabhakar.csengg@...il.com>
Subject: Re: [PATCH 01/16] dt-bindings: arm: renesas: Document Renesas RZ/G2UL SoC

Hi Prabhakar,

On Fri, May 14, 2021 at 9:23 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> Add device tree bindings documentation for Renesas RZ/G2UL SoC.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Biju Das <biju.das.jz@...renesas.com>
> Reviewed-by: Chris Paterson <Chris.Paterson2@...esas.com>

Thanks for your patch!

> --- a/Documentation/devicetree/bindings/arm/renesas.yaml
> +++ b/Documentation/devicetree/bindings/arm/renesas.yaml
> @@ -302,6 +302,12 @@ properties:
>                - renesas,rzn1d400-db # RZN1D-DB (RZ/N1D Demo Board for the RZ/N1D 400 pins package)
>            - const: renesas,r9a06g032
>
> +      - description: RZ/G2UL (R9A07G043)
> +        items:
> +          - enum:
> +              - renesas,r9a07g043u11 # Single Cortex-A55 RZ/G2UL

Is there any specific reason you're including the final "1", unlike the
RZ/G2{L,LC} binding?
As RZ/G2UL is always single-core, perhaps this compatible value can be
dropped?

> +          - const: renesas,r9a07g043
> +
>  additionalProperties: true

For now, there are no users of this binding?
I assume you're posting it already, as RZ/G2UL is pin-compatible with RZ/G2LC,
and thus can be used interchangeably on the G2L SOM?
However, the DTS board part in this series is for RZ/G2L, not RZ/GLC?

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-devel for v5.14, after the above have been
resolved.

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