CONFIG_PHY_EXYNOS4X12_USB2 (not configurable)

configname: CONFIG_PHY_EXYNOS4X12_USB2

Linux Kernel Configuration
└─>Device Drivers
└─>PHY Subsystem
└─>PHY_EXYNOS4X12_USB2
In linux kernel since version 3.15 (release Date: 2014-06-08)