diff --git a/qcom/sun.dtsi b/qcom/sun.dtsi
index f788f456..4e1cf61b 100644
--- a/qcom/sun.dtsi
+++ b/qcom/sun.dtsi
@@ -508,6 +508,27 @@
 		};
 	};
 
+	qcom,smp2p_sleepstate {
+		compatible = "qcom,smp2p-sleepstate";
+		qcom,smem-states = <&sleepstate_smp2p_out 0>;
+		interrupt-parent = <&sleepstate_smp2p_in>;
+		interrupts = <0 0>;
+		interrupt-names = "smp2p-sleepstate-in";
+	};
+
+	qcom,qsee_ipc_irq_bridge {
+		compatible = "qcom,qsee-ipc-irq-bridge";
+
+		qcom,qsee-ipc-irq-spss {
+			qcom,dev-name = "qsee_ipc_irq_spss";
+			interrupt-parent = <&ipcc_mproc>;
+			interrupts = <IPCC_CLIENT_SPSS
+				      IPCC_MPROC_SIGNAL_TZ
+				      IRQ_TYPE_EDGE_RISING>;
+			label = "spss";
+		};
+	};
+
 	qcom_tzlog: tz-log@14680720 {
 		compatible = "qcom,tz-log";
 		reg = <0x14680720 0x3000>;