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authorTaniya Das <tdas@codeaurora.org>2018-12-14 09:40:24 +0530
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-12-18 23:43:09 +0100
commit2849dd8bc72b62a315854863c84c523176bd55ce (patch)
tree0156c25213d362676300d11304524dd8424f990a /drivers/cpufreq/Kconfig.arm
parent0a3b0c7f979563c97a136c51e43ef724121e83ed (diff)
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.arm11
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