CONFIG_ARM_S3C2412_CPUFREQ (not configurable)

modulename: s3c2412-cpufreq.ko

configname: CONFIG_ARM_S3C2412_CPUFREQ

Linux Kernel Configuration
└─>Power management and ACPI options
└─>CPU Frequency scaling
└─>ARM_S3C2412_CPUFREQ
In linux kernel since version 3.11 (release Date: 2013-09-02)  
CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.

source code: