Rockchip USB2 PHY Driver

modulename: phy-rockchip-usb.ko

configname: CONFIG_PHY_ROCKCHIP_USB

Linux Kernel Configuration
└─>Device Drivers
└─>PHY Subsystem
└─>Device Tree and Open Firmware support
└─>Rockchip USB2 PHY Driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enable this to support the Rockchip USB 2.0 PHY.

source code: