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From looking at the data sheets, it is not obvious that CS# and latch clock can be treated at the same, but doing so works fine and saves the hassle of (1) trying to specify a SPI device without CS, and (2) adding another property to drive the latch clock[1]. [1]: https://lore.kernel.org/lkml/20241213-gpio74-v1-2-fa2c089caf41@posteo.net/ Signed-off-by: J. Neuschäfer <j.ne@posteo.net> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20241224-gpio74-v2-3-bbcf14183191@posteo.net Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.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 reStructuredText 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.