diff --git a/arch/arm/boot/dts/qcom/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom/qcom-msm8974.dtsi
index 944098b5ad2b..1bea3cef4ba7 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom/qcom-msm8974.dtsi
@@ -132,7 +132,7 @@ master-stats {
 
 		smd-edge {
 			interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
-			qcom,ipc = <&apcs 8 0>;
+			mboxes = <&apcs 0>;
 			qcom,smd-edge = <15>;
 
 			rpm_requests: rpm-requests {
@@ -219,7 +219,7 @@ smp2p-adsp {
 		interrupt-parent = <&intc>;
 		interrupts = <GIC_SPI 158 IRQ_TYPE_EDGE_RISING>;
 
-		qcom,ipc = <&apcs 8 10>;
+		mboxes = <&apcs 10>;
 
 		qcom,local-pid = <0>;
 		qcom,remote-pid = <2>;
@@ -244,7 +244,7 @@ smp2p-modem {
 		interrupt-parent = <&intc>;
 		interrupts = <GIC_SPI 27 IRQ_TYPE_EDGE_RISING>;
 
-		qcom,ipc = <&apcs 8 14>;
+		mboxes = <&apcs 14>;
 
 		qcom,local-pid = <0>;
 		qcom,remote-pid = <1>;
@@ -269,7 +269,7 @@ smp2p-wcnss {
 		interrupt-parent = <&intc>;
 		interrupts = <GIC_SPI 143 IRQ_TYPE_EDGE_RISING>;
 
-		qcom,ipc = <&apcs 8 18>;
+		mboxes = <&apcs 18>;
 
 		qcom,local-pid = <0>;
 		qcom,remote-pid = <4>;
@@ -759,7 +759,7 @@ iris {
 			smd-edge {
 				interrupts = <GIC_SPI 142 IRQ_TYPE_EDGE_RISING>;
 
-				qcom,ipc = <&apcs 8 17>;
+				mboxes = <&apcs 17>;
 				qcom,smd-edge = <6>;
 
 				wcnss {
@@ -1578,7 +1578,7 @@ bam_dmux: bam-dmux {
 			smd-edge {
 				interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>;
 
-				qcom,ipc = <&apcs 8 12>;
+				mboxes = <&apcs 12>;
 				qcom,smd-edge = <0>;
 
 				label = "modem";
@@ -2215,7 +2215,7 @@ remoteproc_adsp: remoteproc@fe200000 {
 			smd-edge {
 				interrupts = <GIC_SPI 156 IRQ_TYPE_EDGE_RISING>;
 
-				qcom,ipc = <&apcs 8 8>;
+				mboxes = <&apcs 8>;
 				qcom,smd-edge = <1>;
 				label = "lpass";
 			};