Geert Uytterhoeven ef10e647d9 arm64: dts: renesas: r8a779f0: Add CA55 operating points
Add operating points for running the Cortex-A55 CPU cores on R-Car S4-8
at various speeds, up to the maximum supported frequency (1200 MHz).

R-Car S4-8 has 8 Cortex-A55 cores, grouped in 4 clusters.
CA55 Sub-System 0 (first 2 clusters / CPU cores 0-3) is clocked by Z0φ.
CA55 Sub-System 1 (last 2 clusters / CPU cores 4-7) is clocked by Z1φ.

As the two sets of clusters are driven by separate clocks, this requires
specifying two separate tables (using the same operating performance
point values), with "opp-shared" to indicate that the CPU cores in each
set share state.

Based on a patch in the BSP by Tho Vu.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/ae78351d702a53702a1d5fa26675fe982b99cdf5.1669817508.git.geert+renesas@glider.be
2023-01-10 09:44:02 +01:00
2022-12-04 01:59:16 +01:00
2022-09-28 09:02:20 +02:00
2022-12-25 13:41:39 -08:00

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.
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