diff options
| author | Taniya Das <tdas@codeaurora.org> | 2018-12-14 05:10:24 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-12-18 23:43:09 +0100 |
| commit | 2849dd8bc72b62a315854863c84c523176bd55ce (patch) | |
| tree | 0156c25213d362676300d11304524dd8424f990a /drivers/cpufreq/Kconfig.arm | |
| parent | dt-bindings: cpufreq: Introduce QCOM cpufreq firmware bindings (diff) | |
| download | linux-2849dd8bc72b62a315854863c84c523176bd55ce.tar.xz linux-2849dd8bc72b62a315854863c84c523176bd55ce.zip | |
cpufreq: qcom-hw: Add support for QCOM cpufreq HW driver
The CPUfreq HW present in some QCOM chipsets offloads the steps necessary
for changing the frequency of CPUs. The driver implements the cpufreq
driver interface for this hardware engine.
Signed-off-by: Saravana Kannan <skannan@codeaurora.org>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Amit Kucheria <amit.kucheria@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 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 4e1131ef85ae..688f10227793 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -114,6 +114,17 @@ config ARM_QCOM_CPUFREQ_KRYO If in doubt, say N. +config ARM_QCOM_CPUFREQ_HW + tristate "QCOM CPUFreq HW driver" + depends on ARCH_QCOM || COMPILE_TEST + help + Support for the CPUFreq HW driver. + Some QCOM chipsets have a HW engine to offload the steps + necessary for changing the frequency of the CPUs. Firmware loaded + in this engine exposes a programming interface to the OS. + The driver implements the cpufreq interface for this HW engine. + Say Y if you want to support CPUFreq HW. + config ARM_S3C_CPUFREQ bool help |