CONFIG_CLK_R8A7779 (not configurable)

modulename: clk-r8a7779.ko

configname: CONFIG_CLK_R8A7779

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>CLK_R8A7779
In linux kernel since version 4.2 (release Date: 2015-08-30)  
source code: