diff options
| author |   Ashwin Chaugule <ashwin.chaugule@linaro.org> | 2015-10-02 10:04:01 -0400 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-10-12 23:04:31 +0200 |
| commit | 5477fb3bd1e8e43299761850318fe0057172a24a (patch) | |
| tree | 0beb02d51d5901f46bd2f90a4938d3a23423c680 /drivers/cpufreq/Kconfig.arm | |
| parent | ACPI: Introduce CPU performance controls using CPPC (diff) | |
| download | linux-dev-5477fb3bd1e8e43299761850318fe0057172a24a.tar.xz linux-dev-5477fb3bd1e8e43299761850318fe0057172a24a.zip | |
ACPI / CPPC: Add a CPUFreq driver for use with CPPC
This driver utilizes the methods introduced in a previous
patch titled - "ACPI: Introduce CPU performance controls using CPPC"
and enables usage with existing CPUFreq governors.
Signed-off-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Reviewed-by: Al Stone <al.stone@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.arm | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index cd0391e46c6d..642fd49793b0 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -227,3 +227,20 @@ 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. |