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TS-4800 FPGA interrupt controller
TS-4800 FPGA has an internal interrupt controller. When one of the
interrupts is triggered, the SoC is notified, usually using a GPIO as
parent interrupt source.
Required properties:
- compatible: should be "technologic,ts4800-irqc"
- interrupt-controller: identifies the node as an interrupt controller
- reg: physical base address of the controller and length of memory mapped
- #interrupt-cells: specifies the number of cells needed to encode an interrupt
source, should be 1.
- interrupt-parent: phandle to the parent interrupt controller this one is
cascaded from
- interrupts: specifies the interrupt line in the interrupt-parent controller