Clock driver for WM831x/2x PMICs

modulename: clk-wm831x.ko

configname: CONFIG_COMMON_CLK_WM831X

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>Clock driver for WM831x/2x PMICs
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Supports the clocking subsystem of the WM831x/2x series of
PMICs from Wolfson Microelectronics.

source code:
drivers/clk/clk-wm831x.c