1*4882a593SmuzhiyunSigma Designs SMP86xx/SMP87xx secondary interrupt controller 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun- compatible: should be "sigma,smp8642-intc" 5*4882a593Smuzhiyun- reg: physical address of MMIO region 6*4882a593Smuzhiyun- ranges: address space mapping of child nodes 7*4882a593Smuzhiyun- interrupt-controller: boolean 8*4882a593Smuzhiyun- #address-cells: should be <1> 9*4882a593Smuzhiyun- #size-cells: should be <1> 10*4882a593Smuzhiyun 11*4882a593SmuzhiyunOne child node per control block with properties: 12*4882a593Smuzhiyun- reg: address of registers for this control block 13*4882a593Smuzhiyun- interrupt-controller: boolean 14*4882a593Smuzhiyun- #interrupt-cells: should be <2>, interrupt index and flags per interrupts.txt 15*4882a593Smuzhiyun- interrupts: interrupt spec of primary interrupt controller 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunExample: 18*4882a593Smuzhiyun 19*4882a593Smuzhiyuninterrupt-controller@6e000 { 20*4882a593Smuzhiyun compatible = "sigma,smp8642-intc"; 21*4882a593Smuzhiyun reg = <0x6e000 0x400>; 22*4882a593Smuzhiyun ranges = <0x0 0x6e000 0x400>; 23*4882a593Smuzhiyun interrupt-parent = <&gic>; 24*4882a593Smuzhiyun interrupt-controller; 25*4882a593Smuzhiyun #address-cells = <1>; 26*4882a593Smuzhiyun #size-cells = <1>; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun irq0: interrupt-controller@0 { 29*4882a593Smuzhiyun reg = <0x000 0x100>; 30*4882a593Smuzhiyun interrupt-controller; 31*4882a593Smuzhiyun #interrupt-cells = <2>; 32*4882a593Smuzhiyun interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>; 33*4882a593Smuzhiyun }; 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun irq1: interrupt-controller@100 { 36*4882a593Smuzhiyun reg = <0x100 0x100>; 37*4882a593Smuzhiyun interrupt-controller; 38*4882a593Smuzhiyun #interrupt-cells = <2>; 39*4882a593Smuzhiyun interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>; 40*4882a593Smuzhiyun }; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun irq2: interrupt-controller@300 { 43*4882a593Smuzhiyun reg = <0x300 0x100>; 44*4882a593Smuzhiyun interrupt-controller; 45*4882a593Smuzhiyun #interrupt-cells = <2>; 46*4882a593Smuzhiyun interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>; 47*4882a593Smuzhiyun }; 48*4882a593Smuzhiyun}; 49