arm64: dts: msm8996: Add graphics smmu node

Add device node for graphics smmu, aka. adreno_smmu.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <agross@kernel.org>

arch/arm64/boot/dts/qcom/msm8996.dtsi

@@ -1288,6 +1288,25 @@ ports {
 			};
 		};
 
+		adreno_smmu: arm,smmu@b40000 {
+			compatible = "qcom,msm8996-smmu-v2", "qcom,smmu-v2";
+			reg = <0xb40000 0x10000>;
+
+			#global-interrupts = <1>;
+			interrupts = <GIC_SPI 334 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 329 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>;
+			#iommu-cells = <1>;
+
+			clocks = <&mmcc GPU_AHB_CLK>,
+				 <&gcc GCC_MMSS_BIMC_GFX_CLK>;
+			clock-names = "iface", "bus";
+
+			power-domains = <&mmcc GPU_GDSC>;
+
+			status = "disabled";
+		};
+
 		agnoc@0 {
 			power-domains = <&gcc AGGRE0_NOC_GDSC>;
 			compatible = "simple-pm-bus";