diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 2d0d27de82ec..6abb33bcb17a 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -2146,6 +2146,33 @@
 				      "gpll0";
 		};
 
+		lpass_q6_smmu: iommu@5100000 {
+			compatible = "qcom,msm8998-smmu-v2", "qcom,smmu-v2";
+			reg = <0x05100000 0x40000>;
+			clocks = <&gcc HLOS1_VOTE_LPASS_ADSP_SMMU_CLK>;
+			clock-names = "iface";
+
+			#global-interrupts = <0>;
+			#iommu-cells = <1>;
+			interrupts =
+				<GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 393 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 394 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 395 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 396 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 397 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 398 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 399 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 400 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 401 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 402 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 403 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
+
+			power-domains = <&gcc LPASS_ADSP_GDSC>;
+			status = "disabled";
+		};
+
 		remoteproc_slpi: remoteproc@5800000 {
 			compatible = "qcom,msm8998-slpi-pas";
 			reg = <0x05800000 0x4040>;