Intel IXP4xx PCI controller

modulename: pci-ixp4xx.ko

configname: CONFIG_PCI_IXP4XX

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>PCI controller drivers
└─>Intel IXP4xx PCI controller
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Say Y here if you want support for the PCI host controller found
in the Intel IXP4xx XScale-based network processor SoC.

source code:
depends
CONFIG_ARM
CONFIG_OF
CONFIG_PCI
CONFIG_ARCH_IXP4XX or CONFIG_COMPILE_TEST