MSM8996 CPU Clock Controller

modulename: apcs-msm8996.ko

configname: CONFIG_QCOM_CLK_APCC_MSM8996

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>Support for Qualcomm's clock controllers
└─>MSM8996 CPU Clock Controller
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Support for the CPU clock controller on msm8996 devices.
Say Y if you want to support CPU clock scaling using CPUfreq
drivers for dynamic power management.

source code:
drivers/clk/qcom/