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

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>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index c65226c4717d..7f333af1c059 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -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