linux_kernel/drivers/irqchip/Kconfig

config IRQCHIP
	def_bool y
	depends on OF_IRQ

config ARM_GIC
	bool
	select IRQ_DOMAIN
	select MULTI_IRQ_HANDLER

config GIC_NON_BANKED
	bool

config ARM_GIC_V3
	bool
	select IRQ_DOMAIN
	select MULTI_IRQ_HANDLER

config ARM_NVIC
	bool
	select IRQ_DOMAIN
	select GENERIC_IRQ_CHIP

config ARM_VIC
	bool
	select IRQ_DOMAIN
	select MULTI_IRQ_HANDLER

config ARM_VIC_NR
	int
	default 4 if ARCH_S5PV210
	default 2
	depends on ARM_VIC
	help
	  The maximum number of VICs available in the system, for
	  power management.

config ATMEL_AIC_IRQ
	bool
	select GENERIC_IRQ_CHIP
	select IRQ_DOMAIN
	select MULTI_IRQ_HANDLER
	select SPARSE_IRQ

config ATMEL_AIC5_IRQ
	bool
	select GENERIC_IRQ_CHIP
	select IRQ_DOMAIN
	select MULTI_IRQ_HANDLER
	select SPARSE_IRQ

config BRCMSTB_L2_IRQ
	bool
	depends on ARM
	select GENERIC_IRQ_CHIP
	select IRQ_DOMAIN

config DW_APB_ICTL
	bool
	select IRQ_DOMAIN

config IMGPDC_IRQ
	bool
	select GENERIC_IRQ_CHIP
	select IRQ_DOMAIN

config CLPS711X_IRQCHIP
	bool
	depends on ARCH_CLPS711X
	select IRQ_DOMAIN
	select MULTI_IRQ_HANDLER
	select SPARSE_IRQ
	default y

config OR1K_PIC
	bool
	select IRQ_DOMAIN

config ORION_IRQCHIP
	bool
	select IRQ_DOMAIN
	select MULTI_IRQ_HANDLER

config RENESAS_INTC_IRQPIN
	bool
	select IRQ_DOMAIN

config RENESAS_IRQC
	bool
	select IRQ_DOMAIN

config TB10X_IRQC
	bool
	select IRQ_DOMAIN
	select GENERIC_IRQ_CHIP

config VERSATILE_FPGA_IRQ
	bool
	select IRQ_DOMAIN

config VERSATILE_FPGA_IRQ_NR
       int
       default 4
       depends on VERSATILE_FPGA_IRQ

config XTENSA_MX
	bool
	select IRQ_DOMAIN

config IRQ_CROSSBAR
	bool
	help
	  Support for a CROSSBAR ip that preceeds the main interrupt controller.
	  The primary irqchip invokes the crossbar's callback which inturn allocates
	  a free irq and configures the IP. Thus the peripheral interrupts are
	  routed to one of the free irqchip interrupt lines.