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Previously, all Amlogic boards used the XTAL clock as the default board clock for the USB PHY input, so there was no need to enable it. However, with the introduction of new Amlogic SoCs like the A1 family, the USB PHY now uses a gated clock. Hence, it is necessary to enable this gated clock during the PHY initialization sequence, or disable it during the PHY exit, as appropriate. Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Link: https://lore.kernel.org/r/20230426102922.19705-2-ddrokosov@sberdevices.ru Signed-off-by: Vinod Koul <vkoul@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.