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The clk_rate attribute is not generic device tree bindings for I2C busses described in Documentation/devicetree/bindings/i2c/i2c.txt. It can be managed by clock binding. Support the driver to obtain clock information by clk_rate or clock property. Find clock first, if not, fall back to clk_rate. Signed-off-by: Weilong Chen <chenweilong@huawei.com> Acked-by: Yicong Yang <yangyicong@hisilicon.com> Signed-off-by: Wolfram Sang <wsa@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.