Xilinx Clocking Wizard

modulename: clk-xlnx-clock-wizard.ko

configname: CONFIG_COMMON_CLK_XLNX_CLKWZRD

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Device Tree and Open Firmware support
└─>Xilinx Clocking Wizard
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Support for the Xilinx Clocking Wizard IP core clock generator.

source code: