SAMSUNG EXYNOS CPUfreq Driver

modulename: arm-exynos-cpufreq.ko

configname: CONFIG_ARM_EXYNOS_CPUFREQ

Linux Kernel Configuration
└─>SAMSUNG EXYNOS CPUfreq Driver
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This adds the CPUFreq driver for Samsung EXYNOS platforms.
Supported SoC versions are:
Exynos4210, Exynos4212, Exynos4412, and Exynos5250.

If in doubt, say N.

source code: