On Wed, 10 Sep 2025 21:41:22 +0100, Prabhakar wrote: > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > > Add device tree binding support for RZ/T2H and RZ/N2H SoCs to the > existing RZ/N1 MIIC converter binding. These SoCs share similar MIIC > functionality but have architectural differences that require schema > updates. > > Add new compatible strings "renesas,r9a09g077-miic" for RZ/T2H and > "renesas,r9a09g087-miic" for RZ/N2H, with the latter falling back to > the RZ/T2H variant. The new SoCs require reset support with two reset > lines for converter register reset and converter reset, which are not > present on RZ/N1. > > Update port configurations to accommodate the different architectures. > RZ/N1 supports 5 ports numbered 1-5 with complex input mappings > covering indices 0-13, while RZ/T2H and RZ/N2H support 4 ports > numbered 0-3 with simplified input mappings covering indices 0-8. > Extend the switch port configuration property to support value 0 for > the new SoCs. > > Add a new dt-bindings header file with media interface connection > matrix constants that map GMAC, ESC, and ETHSW ports to numeric > identifiers for use with RZ/T2H and RZ/N2H device trees. > > Update DT schema validation to ensure proper port numbering and input > mappings per SoC variant. > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > Tested-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> > --- > v2->v3: > - Added Tested-by tag. > > v1->v2: > - Dropped regx in title and description. > - As done for other IPs used T2H compatible as a fallback for N2H. > - Renamed pcs-rzt2h-miic.h -> renesas,r9a09g077-pcs-miic.h > - Added matrix table in the new header file. > - Corrected the resets check for RZ/N1. > - Updated the commit message. > --- > .../bindings/net/pcs/renesas,rzn1-miic.yaml | 177 +++++++++++++----- > .../net/renesas,r9a09g077-pcs-miic.h | 36 ++++ > 2 files changed, 165 insertions(+), 48 deletions(-) > create mode 100644 include/dt-bindings/net/renesas,r9a09g077-pcs-miic.h > Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
