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authorYangtao Li <tiny.windzz@gmail.com>2019-06-12 18:28:15 +0200
committerViresh Kumar <viresh.kumar@linaro.org>2019-07-22 07:40:51 +0200
commitf328584f7bff86858249bb358f1adcecde48388a (patch)
treebc276a72f3c1b5f89956e30f5291fa98acf832f2 /drivers/cpufreq/Kconfig.arm
parentLinus 5.3-rc1 (diff)
downloadlinux-f328584f7bff86858249bb358f1adcecde48388a.tar.xz
linux-f328584f7bff86858249bb358f1adcecde48388a.zip
cpufreq: Add sun50i nvmem based CPU scaling driver
For some SoCs, the CPU frequency subset and voltage value of each OPP varies based on the silicon variant in use. The sun50i-cpufreq-nvmem driver reads the efuse value from the SoC to provide the OPP framework with required information. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/cpufreq/Kconfig.arm')
-rw-r--r--drivers/cpufreq/Kconfig.arm12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 56c31a78c692..70c2b4bea55c 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -19,6 +19,18 @@ config ACPI_CPPC_CPUFREQ
If in doubt, say N.
+config ARM_ALLWINNER_SUN50I_CPUFREQ_NVMEM
+ tristate "Allwinner nvmem based SUN50I CPUFreq driver"
+ depends on ARCH_SUNXI
+ depends on NVMEM_SUNXI_SID
+ select PM_OPP
+ help
+ This adds the nvmem based CPUFreq driver for Allwinner
+ h6 SoC.
+
+ To compile this driver as a module, choose M here: the
+ module will be called sun50i-cpufreq-nvmem.
+
config ARM_ARMADA_37XX_CPUFREQ
tristate "Armada 37xx CPUFreq support"
depends on ARCH_MVEBU && CPUFREQ_DT