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5ea3939cf5
The RPMh clock driver assumes that the xo_board clock is named
"xo_board", not "xo-board". Add a "clock-output-names" property to
the device tree to get the right name.
Also add the proper speed for the xo-clock as 38400000. This is
internally divided in RPMh clock driver to get "bi_tcxo" at 19200000.
After this change the clock tree in /sys/kernel/debug/clk/clk_summary
looks much better.
NOTES:
- Technically you could argue that this clock could belong in board
.dts files, not in the SoC one. However at the moment it's believed
that 100% of sdm845 boards will have an external clock at 38.4. It
can always be moved later if necessary.
- We could rename the "xo-board" device tree node to "xo_board" to
achieve the same effect as this patch. Presumably device-tree folks
would rather keep node names using dashes though.
- We could change the RPMh clock driver to use a dash to achieve the
same effect as this patch, but all other clocks in the clock tree
use underscores. It seems silly to change just this one.
Fixes: 7bafa643647f ("arm64: dts: sdm845: Add minimal dts/dtsi files for sdm845 SoC and MTP")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.