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The Si5341 and Si5340 have multiple input clock options. So far, the driver only supported the XTAL input, this adds support for the three external clock inputs as well. If the clock chip isn't programmed at boot, the driver will default to the XTAL input as before. If there is no "xtal" clock input available, it will pick the first connected input (e.g. "in0") as the input clock for the PLL. One can use clock-assigned-parents to select a particular clock as input. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Link: https://lkml.kernel.org/r/20200107075340.14528-1-mike.looijmans@topic.nl Signed-off-by: Stephen Boyd <sboyd@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 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.