arm: dts: rk3288: add iep node and enable it

Change-Id: Ie7fe0bbc91a5fedb0617d9b6c6056bdb4aed610d
Signed-off-by: buluess.li <buluess.li@rock-chips.com>

Author: buluess

arch/arm/boot/dts/rk3288-android.dtsi

@@ -288,6 +288,14 @@
 	compatible = "rockchip,rk3288-secure-efuse";
 };
 
+&iep {
+	status = "okay";
+};
+
+&iep_mmu {
+	status = "okay";
+};
+
 &rga {
 	compatible = "rockchip,rga2";
 	clocks = <&cru ACLK_RGA>, <&cru HCLK_RGA>, <&cru SCLK_RGA>;

arch/arm/boot/dts/rk3288.dtsi

@@ -1059,6 +1059,29 @@
 		status = "disabled";
 	};
 
+	iep: iep@ff90000 {
+		compatible = "rockchip,iep";
+		iommu_enabled = <1>;
+		iommus = <&iep_mmu>;
+		reg = <0x0 0xff900000 0x0 0x800>;
+		interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH 0>;
+		clocks = <&cru ACLK_IEP>, <&cru HCLK_IEP>;
+		clock-names = "aclk_iep", "hclk_iep";
+		power-domains = <&power RK3288_PD_VIO>;
+		allocator = <1>;
+		version = <1>;
+		status = "disabled";
+	};
+
+	iep_mmu: iommu@ff900800 {
+		compatible = "rockchip,iommu";
+		reg = <0x0 0xff900800 0x0 0x40>;
+		interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH 0>;
+		interrupt-names = "iep_mmu";
+		#iommu-cells = <0>;
+		status = "disabled";
+	};
+
 	cif_isp0: cif_isp@ff910000 {
 		compatible = "rockchip,rk3288-cif-isp";
 		rockchip,grf = <&grf>;