CONFIG_OMAP_IRQCHIP (not configurable)

modulename: irq-omap-intc.ko

configname: CONFIG_OMAP_IRQCHIP

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>OMAP_IRQCHIP
In linux kernel since version 3.18 (release Date: 2014-12-07)  
source code:
drivers/irqchip/irq-omap-intc.c
selects
CONFIG_GENERIC_IRQ_CHIP
CONFIG_IRQ_DOMAIN

is depended by
CONFIG_ARCH_OMAP2PLUS