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71fbafcc45
The I2C spec UM10204 Rev. 6 specifies the following timings.
Standard Fast Mode Fast Mode Plus
SCL low 4.7us 1.3us 0.5us
SCL high 4.0us 0.6us 0.26us
This results in a 33%/66% duty cycle as opposed to the 50%/50% duty cycle
used for Standard-mode.
Add High Time Divider settings to correct duty cycle for FM(400kHz) and
FM+(1MHz).
Signed-off-by: Austin Christ <austinwc@codeaurora.org>
Reviewed-by: Sricharan R <sricharan@codeaurora.org>
Reviewed-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.