linux-kernel - Re: [PATCH net-next 05/12] dt-bindings: net: dsa: add bindings for Renesas RZ/N1 Advanced 5 port switch

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Message-ID: <CAMuHMdU+kosUPavthyPcWVAC_WhdwXiFKt61oSmgdV6Qxk_0xg@mail.gmail.com>
Date:   Wed, 27 Apr 2022 14:20:33 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Clément Léger <clement.leger@...tlin.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Herve Codina <herve.codina@...tlin.com>,
        Miquèl Raynal <miquel.raynal@...tlin.com>,
        Milan Stevanovic <milan.stevanovic@...com>,
        Jimmy Lalande <jimmy.lalande@...com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 05/12] dt-bindings: net: dsa: add bindings for
 Renesas RZ/N1 Advanced 5 port switch

Hi Clément,

On Thu, Apr 14, 2022 at 2:24 PM Clément Léger <clement.leger@...tlin.com> wrote:
> Add bindings for Renesas RZ/N1 Advanced 5 port switch. This switch is
> present on Renesas RZ/N1 SoC and was probably provided by MoreThanIP.
> This company does not exists anymore and has been bought by Synopsys.
> Since this IP can't be find anymore in the Synospsy portfolio, lets use
> Renesas as the vendor compatible for this IP.
>
> Signed-off-by: Clément Léger <clement.leger@...tlin.com>

Thanks for your patch!

> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml
> @@ -0,0 +1,128 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/dsa/renesas,rzn1-a5psw.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas RZ/N1 Advanced 5 ports ethernet switch
> +
> +maintainers:
> +  - Clément Léger <clement.leger@...tlin.com>
> +
> +description: |
> +  The advanced 5 ports switch is present on the Renesas RZ/N1 SoC family and
> +  handles 4 ports + 1 CPU management port.
> +
> +allOf:
> +  - $ref: dsa.yaml#
> +
> +properties:
> +  compatible:
> +    const: renesas,rzn1-a5psw

Please document an SoC-specific compatible value
"renesas,r9a06g032-a5psw", too, so we can easily handle differences
between members within the RZ/N1 family, if ever needed.

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