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64d45a1a27
The PDK3 carrier board contains a PCIe clock generator which is used to supply the PCIe clock lanes. This generator is always on, unless external CLKREQ signal toggles an output off, but this is handled in hardware. The generator does however have I2C interface, describe it in DT. Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Shawn Guo <shawnguo@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.