Rockchip PCIe controller (host mode)

modulename: pcie-rockchip-host.ko

configname: CONFIG_PCIE_ROCKCHIP_HOST

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>PCI controller drivers
└─>Rockchip PCIe controller (host mode)
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you want internal PCI support on Rockchip SoC.
There is 1 internal PCIe port available to support GEN2 with
4 slots.

source code: