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+Mediatek 65xx/81xx sysirq
+
+Mediatek SOCs sysirq support controllable irq inverter for each GIC SPI
+interrupt.
+
+Required properties:
+- compatible: Compatible property value should be "mediatek,mt6577-sysirq"
+- interrupt-parent: phandle of irq domain parent for sysirq.
+- reg: Physical base address of the intpol registers and length of memory
+ mapped region.
+
+Example:
+ sysirq: interrupt-controller@10200100 {
+ compatible = "mediatek,mt6589-sysirq", "mediatek,mt6577-sysirq";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ reg = <0 0x10200100 0 0x1c>;
+ };