kernelconfig_penguin
default or selected kernelversion does not have config value CONFIG_ARM_TEGRA20_DEVFREQ.
Result is shown for kernelversion 5.9.9

NVIDIA Tegra20 DEVFREQ Driver

modulename: tegra20-devfreq.ko
configname: CONFIG_ARM_TEGRA20_DEVFREQ

Linux Kernel Configuration
└─> Device Drivers
└─> Generic Dynamic Voltage and Frequency Scaling (DVFS) support
└─> Common Clock Framework
└─> NVIDIA Tegra20 DEVFREQ Driver

This adds the DEVFREQ driver for the Tegra20 family of SoCs.
It reads Memory Controller counters and adjusts the operating
frequencies and voltages with OPP support.


source code:


drivers/devfreq/tegra20-devfreq.c