netdev - Re: [PATCH net-next v22 01/14] dt-bindings: net: Introduce the ethernet-connector description

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Message-ID: <176831557374.3740779.1775436338458125748.robh@kernel.org>
Date: Tue, 13 Jan 2026 08:46:14 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc: linux-arm-msm@...r.kernel.org, Russell King <linux@...linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	Oleksij Rempel <o.rempel@...gutronix.de>,
	Antoine Tenart <atenart@...nel.org>,
	Marek Behún <kabel@...nel.org>,
	Köry Maincent <kory.maincent@...tlin.com>,
	Herve Codina <herve.codina@...tlin.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	mwojtas@...omium.org, devicetree@...r.kernel.org,
	Romain Gantois <romain.gantois@...tlin.com>,
	Dimitri Fedrau <dimitri.fedrau@...bherr.com>,
	netdev@...r.kernel.org, davem@...emloft.net,
	Florian Fainelli <f.fainelli@...il.com>,
	linux-kernel@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
	Nicolò Veronese <nicveronese@...il.com>,
	thomas.petazzoni@...tlin.com, Andrew Lunn <andrew@...n.ch>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Daniel Golle <daniel@...rotopia.org>,
	Tariq Toukan <tariqt@...dia.com>, Simon Horman <horms@...nel.org>,
	Vladimir Oltean <vladimir.oltean@....com>
Subject: Re: [PATCH net-next v22 01/14] dt-bindings: net: Introduce the
 ethernet-connector description


On Thu, 08 Jan 2026 09:00:26 +0100, Maxime Chevallier wrote:
> 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 pairs, 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>
> ---
>  .../bindings/net/ethernet-connector.yaml      | 56 +++++++++++++++++++
>  .../devicetree/bindings/net/ethernet-phy.yaml | 18 ++++++
>  MAINTAINERS                                   |  1 +
>  3 files changed, 75 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/ethernet-connector.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>