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cpufreq: kirkwood: Add a cpufreq driver for Marvell Kirkwood SoCs

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The Marvell Kirkwood SoCs have simple cpufreq support in hardware. The
CPU can either use the a high speed cpu clock, or the slower DDR
clock. Add a driver to swap between these two clock sources.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Andrew Lunn
2013-02-05 22:52:51 +01:00
committed by Rafael J. Wysocki
parent 93f0822dff
commit 2a4bd9f0db
5 changed files with 294 additions and 0 deletions
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6
drivers/cpufreq/Kconfig.arm
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@@ -77,6 +77,12 @@ config ARM_EXYNOS5250_CPUFREQ
This adds the CPUFreq driver for Samsung EXYNOS5250
SoC.
config ARM_KIRKWOOD_CPUFREQ
def_bool ARCH_KIRKWOOD && OF
help
This adds the CPUFreq driver for Marvell Kirkwood
SoCs.
config ARM_IMX6Q_CPUFREQ
tristate "Freescale i.MX6Q cpufreq support"
depends on SOC_IMX6Q