1ROCKCHIP rk32 IOMMU H/W 2 3Required properties: 4- compatible : "iommu,iep_mmu" 5- reg : Should contain address and length for each 6 of the IOMMU register blocks. 7- interrupts : Should contain irq type,irq no,and level type 8 9Example: 10 iep_mmu { 11 dbgname = "iep"; 12 compatible = "iommu,iep_mmu"; 13 reg = <0xff900800 0x100>; 14 interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>; 15 interrupt-names = "iep_mmu"; 16 }; 17