SDX55 Global Clock Controller

modulename: gcc-sdx55.ko

configname: CONFIG_SDX_GCC_55

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>Support for Qualcomm's clock controllers
└─>SDX55 Global Clock Controller
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Support for the global clock controller on SDX55 devices.
Say Y if you want to use peripheral devices such as UART,
SPI, I2C, USB, SD/UFS, PCIe etc.

source code: