[PATCH net-next 00/11] Add ETHSW support for Renesas RZ/T2H and RZ/N2H SoCs

Prabhakar
2025-11-21T11:36:05Z

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Hi All,

This series of patches adds support for the Renesas RZ/T2H and RZ/N2H SoCs
which integrate an Ethernet switch IP variant called ETHSW. The ETHSW is
largely compatible with the A5PSW switch found on RZ/N1 SoCs, but has
several key differences in register layout and hardware configuration. The
series includes updates to the DSA driver, device tree bindings, and
Kconfig to enable support for these SoCs.

Cheers,
Prabhakar

Lad Prabhakar (11):
net: dsa: tag_rzn1_a5psw: Drop redundant ETH_P_DSA_A5PSW definition
net: dsa: tag_rzn1_a5psw: Add RZ/T2H ETHSW tag protocol and register
ethsw tag driver
net: dsa: Kconfig: Expand config description to cover RZ/T2H and
RZ/N2H ETHSW
dt-bindings: net: dsa: renesas,rzn1-a5psw: Add RZ/T2H and RZ/N2H ETHSW
support
net: dsa: rzn1-a5psw: Add support for optional reset control
net: dsa: rzn1-a5psw: Add support for optional timestamp clock
net: dsa: rzn1-a5psw: Make switch topology configurable via OF data
net: dsa: rzn1-a5psw: Make DSA tag protocol configurable via OF data
net: dsa: rzn1-a5psw: Add support for management port frame length
adjustment
net: dsa: rzn1-a5psw: Add support for RZ/T2H Ethernet switch
net: dsa: Kconfig: Enable support for RZ/T2H and RZ/N2H SoCs

.../bindings/net/dsa/renesas,rzn1-a5psw.yaml | 154 +++++++++++++++---
drivers/net/dsa/Kconfig | 9 +-
drivers/net/dsa/rzn1_a5psw.c | 58 +++++--
drivers/net/dsa/rzn1_a5psw.h | 25 ++-
include/net/dsa.h | 2 +
include/uapi/linux/if_ether.h | 2 +-
net/dsa/Kconfig | 6 +-
net/dsa/tag_rzn1_a5psw.c | 22 ++-
8 files changed, 230 insertions(+), 48 deletions(-)

--
2.52.0