Microchip External Interrupt Controller

modulename: irq-mchp-eic.ko

configname: CONFIG_MCHP_EIC

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>Microchip External Interrupt Controller
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Support for Microchip External Interrupt Controller.

source code:
selects
CONFIG_IRQ_DOMAIN
CONFIG_IRQ_DOMAIN_HIERARCHY

depends
CONFIG_ARCH_AT91 or CONFIG_COMPILE_TEST