linux-kernel - Re: [net-next v2 3/3] dt-bindings: net: adin1110: Add docs

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Message-ID: <80707e86-9ac6-3f6b-1271-931d4036e3ba@linaro.org>
Date:   Mon, 25 Jul 2022 22:23:27 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     alexandru.tachici@...log.com, netdev@...r.kernel.org,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        devicetree@...r.kernel.org, krzysztof.kozlowski+dt@...aro.org,
        gerhard@...leder-embedded.com, geert+renesas@...der.be,
        joel@....id.au, stefan.wahren@...e.com, wellslutw@...il.com,
        geert@...ux-m68k.org, robh+dt@...nel.org,
        d.michailidis@...gible.com, stephen@...workplumber.org,
        l.stelmach@...sung.com, linux-kernel@...r.kernel.org
Subject: Re: [net-next v2 3/3] dt-bindings: net: adin1110: Add docs

On 25/07/2022 21:52, Andrew Lunn wrote:
>> You had phy nodes here, but they were not replaced with the phy-handle.
>> No ethernet-ports or mdios with phy?
> 
> Since this is integrated silicon, much of that is not required. There
> is a fixed relationship between the MAC and the PHY, so phy-handle is
> pointless. There is no need to describe the MDIO bus, because nothing
> can change.  phy-mode is pointless, since it can only be internal.
> 
> ethernet-ports might be useful, if you want to use two different MAC
> addresses. However, with Ethernet switches, you generally use the same
> MAC address on all ports.
> 
> So i don't see a need for any of these properties.

Thanks for clarification, appreciated!


Best regards,
Krzysztof