diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
index 942e602bfc97b..c455ca4e64754 100644
--- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
@@ -2269,6 +2269,10 @@
 			interrupt-map-mask = <0 0 0 0x7>;
 			#interrupt-cells = <1>;
 
+			/* Entries are reversed due to the unusual ITS DeviceID encoding */
+			msi-map = <0x0 &gic_its 0x1401 0x1>,
+				  <0x100 &gic_its 0x1400 0x1>;
+
 			linux,pci-domain = <0>;
 			num-lanes = <2>;
 			bus-range = <0 0xff>;
@@ -2392,6 +2396,10 @@
 			interrupt-map-mask = <0 0 0 0x7>;
 			#interrupt-cells = <1>;
 
+			/* Entries are reversed due to the unusual ITS DeviceID encoding */
+			msi-map = <0x0 &gic_its 0x1481 0x1>,
+				  <0x100 &gic_its 0x1480 0x1>;
+
 			linux,pci-domain = <1>;
 			num-lanes = <2>;
 			bus-range = <0 0xff>;