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3ade3a37bd
The Renesas RZ/N1 SPI Controller is based on the Synopsys DW SSI, but has additional registers for software CS control and DMA. This patch does not address the changes required for DMA support, it simply adds the compatible string. The CS registers are not needed as Linux can use gpios for the CS signals. Signed-off-by: Gareth Williams <gareth.williams.jx@renesas.com> Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Link: https://lore.kernel.org/r/1568793876-9009-5-git-send-email-gareth.williams.jx@renesas.com Signed-off-by: Mark Brown <broonie@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.