Allwinner nvmem based SUN50I CPUFreq driver

modulename: sun50i-cpufreq-nvmem.ko

configname: CONFIG_ARM_ALLWINNER_SUN50I_CPUFREQ_NVMEM

Linux Kernel Configuration
└─>Power management and ACPI options
└─>CPU Frequency scaling
└─>Allwinner nvmem based SUN50I CPUFreq driver
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This adds the nvmem based CPUFreq driver for Allwinner
h6 SoC.

To compile this driver as a module, choose M here: the
module will be called sun50i-cpufreq-nvmem.

source code: