diff --git a/qcom/lahaina-smp2p.dtsi b/qcom/lahaina-smp2p.dtsi
index 6a4d0077..8381ec44 100644
--- a/qcom/lahaina-smp2p.dtsi
+++ b/qcom/lahaina-smp2p.dtsi
@@ -79,4 +79,26 @@
 			#interrupt-cells = <2>;
 		};
 	};
+
+	qcom,smp2p-modem {
+		compatible = "qcom,smp2p";
+		qcom,smem = <435>, <428>;
+		interrupt-parent = <&ipcc_mproc>;
+		interrupts = <IPCC_CLIENT_MPSS IPCC_MPROC_SIGNAL_SMP2P
+			      IRQ_TYPE_EDGE_RISING>;
+		mboxes = <&ipcc_mproc IPCC_CLIENT_MPSS IPCC_MPROC_SIGNAL_SMP2P>;
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <1>;
+
+		modem_smp2p_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		modem_smp2p_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
 };