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8c01cc2382
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@bp.renesas.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20250910204132.319975-2-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.