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Baikal-T1 System Controller is equipped with a dedicated I2C Controller which functionality is based on the DW APB I2C IP-core, the only difference in a way it' registers are accessed. There are three access register provided in the System Controller registers map, which indirectly address the normal DW APB I2C registers space. So in order to have the Baikal-T1 System I2C Controller supported by the common DW APB I2C driver we created a dedicated Dw I2C controller model quirk, which retrieves the syscon regmap from the parental dt node and creates a new regmap based on it. Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.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.