Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[mirror_ubuntu-artful-kernel.git] / drivers / cpufreq / Kconfig.arm

diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index c737f7359974b1afe98650b05c2e67c27351d184..1582c1c016b098b7d40cccbaf52f7d715a0586d2 100644 (file)
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -237,3 +237,20 @@ config ARM_PXA2xx_CPUFREQ
          This add the CPUFreq driver support for Intel PXA2xx SOCs.
 
          If in doubt, say N.
+
+config ACPI_CPPC_CPUFREQ
+       tristate "CPUFreq driver based on the ACPI CPPC spec"
+       depends on ACPI
+       select ACPI_CPPC_LIB
+       default n
+       help
+         This adds a CPUFreq driver which uses CPPC methods
+         as described in the ACPIv5.1 spec. CPPC stands for
+         Collaborative Processor Performance Controls. It
+         is based on an abstract continuous scale of CPU
+         performance values which allows the remote power
+         processor to flexibly optimize for power and
+         performance. CPPC relies on power management firmware
+         support for its operation.
+
+         If in doubt, say N.