Re: [PATCH net-next v3 05/13] dt-bindings: net: dsa: renesas,rzn1-a5psw: Add RZ/T2H and RZ/N2H ETHSW support

[Rob Herring (Arm)]

On Wed, 14 Oct 2026 14:18:53 +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> 
> Extend the A5PSW DSA binding to cover the ETHSW variant used on newer
> Renesas RZ/T2H and RZ/N2H SoCs. ETHSW is derived from the A5PSW switch
> found on RZ/N1 but differs in register layout, clocking and interrupt
> topology, and exposes four ports in total (including the CPU/management
> port) instead of five.
> 
> Add a dedicated compatible for RZ/T2H and use it as the fallback
> compatible for RZ/N2H, since both SoCs integrate the same ETHSW IP.
> 
> Also make interrupts and interrupt-names required for all supported
> variants. The existing RZ/N1 SoC DTSI already provides both properties,
> so this change does not require updates to existing RZ/N1 device trees.
> 
> Add myself as a co-maintainer of the binding to support ongoing work on
> the ETHSW family across RZ/T2H and RZ/N2H devices.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> ---
> v2->v3:
> - Added a restriction to disallow port@4
> - Updated commit message
> 
> v1->v2:
> - Added full names for SoCs
> ---
>  .../bindings/net/dsa/renesas,rzn1-a5psw.yaml  | 157 +++++++++++++++---
>  1 file changed, 133 insertions(+), 24 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>