CONFIG_RENESAS_IRQC (not configurable)

modulename: irq-renesas-irqc.ko

configname: CONFIG_RENESAS_IRQC

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>RENESAS_IRQC
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
selects
CONFIG_GENERIC_IRQ_CHIP
CONFIG_IRQ_DOMAIN

is depended by
CONFIG_ARCH_RCAR_GEN3