linux-kernel - Re: [PATCH 2/4] dt-bindings: net: dsa: document internal MDIO bus

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Date:   Wed, 13 Sep 2023 17:36:36 +0300
From:   Arınç ÜNAL <arinc.unal@...nc9.com>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Woojung Huh <woojung.huh@...rochip.com>,
        UNGLinuxDriver@...rochip.com,
        Linus Walleij <linus.walleij@...aro.org>,
        Alvin Šipraga <alsi@...g-olufsen.dk>,
        Daniel Golle <daniel@...rotopia.org>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, mithat.guner@...ont.com,
        erkin.bozoglu@...ont.com, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 2/4] dt-bindings: net: dsa: document internal MDIO bus

On 13.09.2023 16:00, Vladimir Oltean wrote:
> On Wed, Sep 13, 2023 at 02:35:11PM +0300, Arınç ÜNAL wrote:
>> On 13.09.2023 14:04, Vladimir Oltean wrote:
>>> I don't think they're for switch ports only. Any driver which uses
>>> phylink_fwnode_phy_connect() or its derivatives gets subject to the same
>>> bindings. But putting the sub-schema in ethernet-controller.yaml makes
>>> sense, just maybe not naming it "phylink-switch".
>>
>> Got it. Should we disallow managed altogether when fixed-link is also
>> defined, or just with in-band-status value?
> 
> Just with the "in-band-status" value - just like phylink_parse_mode()
> implies. If not possible, just leave that condition out.

I can rewrite the property to allow values other than in-band-status.

       - if:
           required: [ fixed-link ]
         then:
           properties:
             managed:
               const: auto

Arınç