Freescale i.MX6/7/8 PCIe controller endpoint mode

configname: CONFIG_PCI_IMX6_EP

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>PCI controller drivers
└─>DesignWare PCI Core Support
└─>Freescale i.MX6/7/8 PCIe controller endpoint mode
In linux kernel since version 6.3 (release Date: 2023-04-23)  
Enables support for the PCIe controller in the i.MX SoCs to
work in endpoint mode. The PCI controller on i.MX is based
on DesignWare hardware and therefore the driver re-uses the
DesignWare core functions to implement the driver.