TI Keystone PCIe controller

modulename: pci-keystone-dw.ko

and/or

pci-keystone.ko

configname: CONFIG_PCI_KEYSTONE

Linux Kernel Configuration
└─>Bus options (PCI etc.)
└─>PCI controller drivers
└─>DesignWare PCI Core Support
└─>TI Keystone PCIe controller
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you want to enable PCI controller support on Keystone
SoCs. The PCI controller on Keystone is based on DesignWare hardware
and therefore the driver re-uses the DesignWare core functions to
implement the driver.

source code:
drivers/pci/controller/dwc/