CONFIG_PCI_J721E (not configurable)

modulename: pci-j721e.ko

configname: CONFIG_PCI_J721E

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>PCI controller drivers
└─>Cadence-based PCIe controllers
└─>PCI_J721E
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
source code:
drivers/pci/controller/cadence/pci-j721e.c
depends
CONFIG_PCI