sun8i/sun50i MBUS DEVFREQ Driver

modulename: sun8i-a33-mbus.ko

configname: CONFIG_ARM_SUN8I_A33_MBUS_DEVFREQ

Linux Kernel Configuration
└─>Device Drivers
└─>Generic Dynamic Voltage and Frequency Scaling (DVFS) support
└─>Common Clock Framework
└─>sun8i/sun50i MBUS DEVFREQ Driver
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This adds the DEVFREQ driver for the MBUS controller in some
Allwinner sun8i (A33 through H3) and sun50i (A64 and H5) SoCs.

source code: