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Clément Léger says: ==================== net: add support for Renesas RZ/N1 ethernet su The Renesas RZ/N1 SoCs features an ethernet subsystem which contains (most notably) a switch, two GMACs, and a MII converter [1]. This series adds support for the switch and the MII converter. The MII converter present on this SoC has been represented as a PCS which sit between the MACs and the PHY. This PCS driver is probed from the device-tree since it requires to be configured. Indeed the MII converter also contains the registers that are handling the muxing of ports (Switch, MAC, HSR, RTOS, etc) internally to the SoC. The switch driver is based on DSA and exposes 4 ports + 1 CPU management port. It include basic bridging support as well as FDB and statistics support. Link: [1] https://www.renesas.com/us/en/document/mah/rzn1d-group-rzn1s-group-rzn1l-group-users-manual-r-engine-and-ethernet-peripherals ----- Changes in V9: - Cover letter: - Remove comment about RZN1 patches that are now in the master branch. - Commits: - Add Vladimir Oltean Reviewed-by - PCS: - Add "Depends on OF" for PCS_RZN1_MIIC due to error found by intel kernel test robot <lkp@intel.com>. - Check return value of of_property_read_u32() for "renesas,miic-switch-portin" property before setting conf. - Return miic_parse_dt() return value in miic_probe() on error - Switch: - Add "Depends on OF" for NET_DSA_RZN1_A5PSW due to errors found by intel kernel test robot <lkp@intel.com>. - DT: - Add spaces between switch port and '{' ==================== Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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 Restructured Text 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.