Amazon's Annapurna Labs Fabric Interrupt Controller

modulename: irq-al-fic.ko

configname: CONFIG_AL_FIC

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>Device Tree and Open Firmware support
└─>Amazon's Annapurna Labs Fabric Interrupt Controller
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Support Amazon's Annapurna Labs Fabric Interrupt Controller.

source code:
drivers/irqchip/irq-al-fic.c
selects
CONFIG_GENERIC_IRQ_CHIP
CONFIG_IRQ_DOMAIN