diff --git a/qcom/direwolf-smp2p.dtsi b/qcom/direwolf-smp2p.dtsi
new file mode 100644
index 000000000000..0d66d29df832
--- /dev/null
+++ b/qcom/direwolf-smp2p.dtsi
@@ -0,0 +1,76 @@
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/soc/qcom,ipcc.h>
+
+&soc {
+	qcom,smp2p-adsp {
+		compatible = "qcom,smp2p";
+		qcom,smem = <443>, <429>;
+		interrupt-parent = <&ipcc_mproc>;
+		interrupts = <IPCC_CLIENT_LPASS IPCC_MPROC_SIGNAL_SMP2P
+			      IRQ_TYPE_EDGE_RISING>;
+		mboxes = <&ipcc_mproc IPCC_CLIENT_LPASS
+			  IPCC_MPROC_SIGNAL_SMP2P>;
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <2>;
+
+		adsp_smp2p_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		adsp_smp2p_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		smp2p_rdbg2_out: qcom,smp2p-rdbg2-out {
+			qcom,entry-name = "rdbg";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		smp2p_rdbg2_in: qcom,smp2p-rdbg2-in {
+			qcom,entry-name = "rdbg";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
+
+	qcom,smp2p-cdsp@1799000c {
+		compatible = "qcom,smp2p";
+		qcom,smem = <94>, <432>;
+		interrupt-parent = <&ipcc_mproc>;
+		interrupts = <IPCC_CLIENT_CDSP IPCC_MPROC_SIGNAL_SMP2P
+			      IRQ_TYPE_EDGE_RISING>;
+		mboxes = <&ipcc_mproc IPCC_CLIENT_CDSP IPCC_MPROC_SIGNAL_SMP2P>;
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <5>;
+
+		cdsp_smp2p_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		cdsp_smp2p_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		smp2p_rdbg5_out: qcom,smp2p-rdbg5-out {
+			qcom,entry-name = "rdbg";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		smp2p_rdbg5_in: qcom,smp2p-rdbg5-in {
+			qcom,entry-name = "rdbg";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		smp2p_qvrexternal5_out: qcom,smp2p-qvrexternal5-out {
+			qcom,entry-name = "qvrexternal";
+			#qcom,smem-state-cells = <1>;
+		};
+	};
+};
diff --git a/qcom/direwolf.dtsi b/qcom/direwolf.dtsi
index 3f91d001c6bf..583e6809fdd7 100644
--- a/qcom/direwolf.dtsi
+++ b/qcom/direwolf.dtsi
@@ -1623,6 +1623,140 @@
 				< 3000000 2 >;
 		};
 	};
+
+	tcsr_mutex_block: syscon@1f40000 {
+		compatible = "syscon";
+		reg = <0x1f40000 0x20000>;
+	};
+
+	tcsr_mutex: hwlock@1f40000 {
+		compatible = "qcom,tcsr-mutex";
+		syscon = <&tcsr_mutex_block 0 0x1000>;
+		#hwlock-cells = <1>;
+	};
+
+	smem: qcom,smem {
+		compatible = "qcom,smem";
+		memory-region = <&smem_mem>;
+		hwlocks = <&tcsr_mutex 3>;
+	};
+
+	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_LEVEL_HIGH>;
+			label = "spss";
+		};
+	};
+
+	qcom,glink {
+		compatible = "qcom,glink";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		glink_adsp: adsp {
+			qcom,remote-pid = <2>;
+			transport = "smem";
+			mboxes = <&ipcc_mproc IPCC_CLIENT_LPASS
+				  IPCC_MPROC_SIGNAL_GLINK_QMP>;
+			mbox-names = "adsp_smem";
+			interrupt-parent = <&ipcc_mproc>;
+			interrupts = <IPCC_CLIENT_LPASS
+				      IPCC_MPROC_SIGNAL_GLINK_QMP
+				      IRQ_TYPE_EDGE_RISING>;
+
+			label = "adsp";
+			qcom,glink-label = "lpass";
+			cpu-affinity = <1 2>;
+
+			qcom,adsp_qrtr {
+				qcom,glink-channels = "IPCRTR";
+				qcom,intents = <0x800  5
+						0x2000 3
+						0x4400 2>;
+			};
+
+			qcom,apr_tal_rpmsg {
+				qcom,glink-channels = "apr_audio_svc";
+				qcom,intents = <0x200 20>;
+			};
+
+			qcom,msm_fastrpc_rpmsg {
+				compatible = "qcom,msm-fastrpc-rpmsg";
+				qcom,glink-channels = "fastrpcglink-apps-dsp";
+				qcom,intents = <0x64 64>;
+			};
+
+			qcom,adsp_glink_ssr {
+				qcom,glink-channels = "glink_ssr";
+				qcom,notify-edges = <&glink_cdsp>;
+			};
+		};
+
+		glink_cdsp: cdsp {
+			qcom,remote-pid = <5>;
+			transport = "smem";
+			mboxes = <&ipcc_mproc IPCC_CLIENT_CDSP
+				  IPCC_MPROC_SIGNAL_GLINK_QMP>;
+			mbox-names = "cdsp_smem";
+			interrupt-parent = <&ipcc_mproc>;
+			interrupts = <IPCC_CLIENT_CDSP
+				      IPCC_MPROC_SIGNAL_GLINK_QMP
+				      IRQ_TYPE_EDGE_RISING>;
+
+			label = "cdsp";
+			qcom,glink-label = "cdsp";
+
+			qcom,cdsp_qrtr {
+				qcom,glink-channels = "IPCRTR";
+				qcom,intents = <0x800  5
+						0x2000 3
+						0x4400 2>;
+			};
+
+			qcom,msm_fastrpc_rpmsg {
+				compatible = "qcom,msm-fastrpc-rpmsg";
+				qcom,glink-channels = "fastrpcglink-apps-dsp";
+				qcom,intents = <0x64 64>;
+			};
+
+			qcom,msm_cdsprm_rpmsg {
+				compatible = "qcom,msm-cdsprm-rpmsg";
+				qcom,glink-channels = "cdsprmglink-apps-dsp";
+				qcom,intents = <0x20 12>;
+
+				msm_cdsp_rm: qcom,msm_cdsp_rm {
+					compatible = "qcom,msm-cdsp-rm";
+					qcom,qos-latency-us = <44>;
+					qcom,qos-maxhold-ms = <20>;
+					qcom,compute-cx-limit-en;
+					qcom,compute-priority-mode = <2>;
+					#cooling-cells = <2>;
+				};
+			};
+
+			qcom,cdsp_glink_ssr {
+				qcom,glink-channels = "glink_ssr";
+				qcom,notify-edges = <&glink_adsp>;
+			};
+		};
+	};
+
+	qcom,glinkpkt {
+		compatible = "qcom,glinkpkt";
+
+		qcom,glinkpkt-apr-apps2 {
+			qcom,glinkpkt-edge = "adsp";
+			qcom,glinkpkt-ch-name = "apr_apps2";
+			qcom,glinkpkt-dev-name = "apr_apps2";
+		};
+	};
 };
 
 #include "direwolf-pinctrl.dtsi"
@@ -1633,6 +1767,7 @@
 #include "msm-arm-smmu-direwolf.dtsi"
 #include "direwolf-qupv3.dtsi"
 #include "direwolf-usb.dtsi"
+#include "direwolf-smp2p.dtsi"
 
 &gcc_emac0_gdsc {
 	status = "ok";