irqchip: Add UniPhier AIDET irqchip driver
UniPhier SoCs contain AIDET (ARM Interrupt Detector). This is intended to provide additional features that are not covered by GIC. The main purpose is to provide logic inverter to support low level and falling edge trigger types for interrupt lines from on-board devices. Acked-by: NRob Herring <robh@kernel.org> Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>
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