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

[Rob Herring (Arm)]

On Thu, 17 Jul 2025 09:30:05 +0200, 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 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 at bootlin.com>
> ---
>  .../bindings/net/ethernet-connector.yaml      | 45 +++++++++++++++++++
>  .../devicetree/bindings/net/ethernet-phy.yaml | 18 ++++++++
>  MAINTAINERS                                   |  1 +
>  3 files changed, 64 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/ethernet-connector.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>