R-Car Gen3 and RZ/G2 CPG clock support

modulename: rcar-gen3-cpg.ko

configname: CONFIG_CLK_RCAR_GEN3_CPG

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>R-Car Gen3 and RZ/G2 CPG clock support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/clk/renesas/rcar-gen3-cpg.c