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authorSudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>2013-10-29 16:18:39 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-10-30 03:48:26 +0400
commit47ac9aa165540b43deb3582f186073884de1cf3b (patch)
treeb191ae170496778588b34c8150015a7ac353d6a1 /drivers/cpufreq/Kconfig.arm
parent4d910d5bb56c870e5a737b71d4130ec38dc4faea (diff)
downloadlinux-47ac9aa165540b43deb3582f186073884de1cf3b.tar.xz
cpufreq: arm_big_little: add vexpress SPC interface driver
The TC2(i.e. CA15_A7) Versatile Express has external Cortex M3 based power controller which is responsible for CPU DVFS and SPC provides the interface for the same. This patch adds a tiny interface driver to check if OPPs are initialised by SPC platform code and register the arm_big_little cpufreq driver. Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/Kconfig.arm')
-rw-r--r--drivers/cpufreq/Kconfig.arm8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 701ec95ce954..ce52ed949249 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -224,3 +224,11 @@ config ARM_TEGRA_CPUFREQ
default y
help
This adds the CPUFreq driver support for TEGRA SOCs.
+
+config ARM_VEXPRESS_SPC_CPUFREQ
+ tristate "Versatile Express SPC based CPUfreq driver"
+ select ARM_BIG_LITTLE_CPUFREQ
+ depends on ARCH_VEXPRESS_SPC
+ help
+ This add the CPUfreq driver support for Versatile Express
+ big.LITTLE platforms using SPC for power management.