[PATCH net-next v8 01/10] dt-bindings: net: airoha: Add GDM port ethernet child node

[Rob Herring (Arm)]

On Tue, 19 May 2026 10:57:44 +0200, Lorenzo Bianconi wrote:
> EN7581 and AN7583 SoCs support connecting multiple external SerDes to GDM3
> or GDM4 ports via a hw arbiter that manages the traffic in a TDM manner.
> As a result multiple net_devices can connect to the same GDM{3,4} port
> and there is a theoretical "1:n" relation between GDM ports and
> net_devices.
> Introduce the ethernet node child of a specific GDM port in order to model
> a given net_device that is connected via the external arbiter to the
> GDM{3,4} port. This new ethernet node is defined by the "airoha,eth-port"
> compatible string. Please note GDM1 and GDM2 does not support the
> connection with the external arbiter and they are represented by an
> ethernet node defined by the "airoha,eth-mac" compatible string.
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
> ---
>  .../devicetree/bindings/net/airoha,en7581-eth.yaml | 56 +++++++++++++++++++++-
>  1 file changed, 55 insertions(+), 1 deletion(-)
> 

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