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Microchip KSZ8863/KSZ8873 have the ability to select between internal and external RMII reference clock. By default, reference clock needs to be provided via REFCLKI_3 pin. If required, device can be setup to provide RMII clock internally so that REFCLKI_3 pin can be left unconnected. Add a new "microchip,rmii-clk-internal" property which will set RMII clock reference to internal. If property is not set, reference clock needs to be provided externally. While at it, move the ksz8795_cpu_interface_select() to ksz8_config_cpu_port() to get a cleaner call path for cpu port. Signed-off-by: Ante Knezic <ante.knezic@helmholz.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> 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.