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The Allwinner D1 family of SoCs contain a PPU power domain controller separate from the PRCM. It can power down the video engine and DSP, and it contains special logic for hardware-assisted CPU idle. Other recent Allwinner SoCs (e.g. TV303) have a PPU with a different set of domains. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Samuel Holland <samuel@sholland.org> Link: https://lore.kernel.org/r/20230126063419.15971-2-samuel@sholland.org Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
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.