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888ae87104
Document the use of CTS/RTS gpios for flow control in STM32 UART controller. These properties can be used instead of 'st,hw-flow-ctrl' for making use of any gpio pins for flow control instead of dedicated pins. It should be noted that both CTS/RTS and 'st,hw-flow-ctrl' properties cannot co-exist in a design. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Manivannan Sadhasivam <mani@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200420170204.24541-2-mani@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.