SDM660 Global Clock Controller

modulename: gcc-sdm660.ko

configname: CONFIG_SDM_GCC_660

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>SDM660 Global Clock Controller
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Support for the global clock controller on SDM660 devices.
Say Y if you want to use peripheral devices such as UART, SPI,
i2C, USB, UFS, SDDC, PCIe, etc.

source code:
drivers/clk/qcom/gcc-sdm660.c