netdev - Re: [PATCH net-next v9 01/15] dt-bindings: net: Introduce the ethernet-connector description

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Message-ID: <20250718193431.147df503@kmaincent-XPS-13-7390>
Date: Fri, 18 Jul 2025 19:34:46 +0200
From: Kory Maincent <kory.maincent@...tlin.com>
To: Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc: davem@...emloft.net, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 thomas.petazzoni@...tlin.com, Andrew Lunn <andrew@...n.ch>, Jakub Kicinski
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 <pabeni@...hat.com>, Russell King <linux@...linux.org.uk>,
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 <christophe.leroy@...roup.eu>, Herve Codina <herve.codina@...tlin.com>,
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 devicetree@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>, Krzysztof
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 Gantois <romain.gantois@...tlin.com>, Daniel Golle <daniel@...rotopia.org>,
 Dimitri Fedrau <dimitri.fedrau@...bherr.com>
Subject: Re: [PATCH net-next v9 01/15] dt-bindings: net: Introduce the
 ethernet-connector description

Le Thu, 17 Jul 2025 09:30:05 +0200,
Maxime Chevallier <maxime.chevallier@...tlin.com> a écrit :

> The ability to describe the physical ports of Ethernet devices is useful
> to describe multi-port devices, as well as to remove any ambiguity with
> regard to the nature of the port.
> 
> Moreover, describing ports allows for a better description of features
> that are tied to connectors, such as PoE through the PSE-PD devices.
> 
> Introduce a binding to allow describing the ports, for now with 2
> attributes :
> 
>  - The number of lanes, which is a quite generic property that allows
>    differentating between multiple similar technologies such as BaseT1
>    and "regular" BaseT (which usually means BaseT4).
> 
>  - The media that can be used on that port, such as BaseT for Twisted
>    Copper, BaseC for coax copper, BaseS/L for Fiber, BaseK for backplane
>    ethernet, etc. This allows defining the nature of the port, and
>    therefore avoids the need for vendor-specific properties such as
>    "micrel,fiber-mode" or "ti,fiber-mode".
> 
> The port description lives in its own file, as it is intended in the
> future to allow describing the ports for phy-less devices.
> 
> Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>

Reviewed-by: Kory Maincent <kory.maincent@...tlin.com>

Thank you!

-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com