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9c9bf4fdc5The Renesas RZ/T2H (R9A09G077) and RZ/N2H (R9A09G087) SoCs have a more complicated clocking setup for the SPI transfer clock than RZ/V2H, as the clock from which it is generated supports multiple dividers. To prepare for adding support for these SoCs, do the following changes. Use the minimum frequency of SPI clock to calculate the SPI controller's min_speed_hz, and the maximum frequency to calculate max_speed_hz. Apply the clock rate found by the .find_tclk_rate() to the found clock. Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com> Link: https://patch.msgid.link/20251119161434.595677-9-cosmin-gabriel.tanislav.xa@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> |
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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.