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82df5b7329
The RTC unit in the Ingenic SoCs has two clock sources, one is from an external 32.768kHz clock, and the other is from an external 24MHz/48MHz main clock that is divided by 512. The choice of these two clocks is controlled by the ERCS bit in the OPCR register. The RNG unit will also use this clock. Tested-by: 周正 (Zhou Zheng) <sernia.zhou@foxmail.com> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> Link: https://lore.kernel.org/r/20200725051136.58220-4-zhouyanjie@wanyeetech.com Signed-off-by: Stephen Boyd <sboyd@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.