ARM: exynos_defconfig: Enable cpufreq-dt driver
With the latest patches the cpufreq-dt can be used on multiple
Exynos SoCs: 3250, 4210, 4212, 4412 and 5250.
Enable it along with default ondemand governor to conserve the energy,
reduce temperature while maintaining acceptable performance.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 67965ce..2263cd9 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -27,6 +27,8 @@
CONFIG_ARM_ATAG_DTB_COMPAT=y
CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M"
CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
+CONFIG_CPUFREQ_DT=y
CONFIG_CPU_IDLE=y
CONFIG_ARM_EXYNOS_CPUIDLE=y
CONFIG_VFP=y