IPQ APSS PLL

modulename: apss-ipq-pll.ko

configname: CONFIG_IPQ_APSS_PLL

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>Support for Qualcomm's clock controllers
└─>IPQ APSS PLL
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Support for APSS PLL on ipq devices. The APSS PLL is the main
clock that feeds the CPUs on ipq based devices.
Say Y if you want to support CPU frequency scaling on ipq based
devices.

source code: