CONFIG_PCIE_DW_EP (not configurable)

modulename: pcie-designware-ep.ko

configname: CONFIG_PCIE_DW_EP

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>PCI controller drivers
└─>DesignWare PCI Core Support
└─>PCIE_DW_EP
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/pci/controller/dwc/pcie-designware-ep.c
selects
CONFIG_PCIE_DW