arm64: dts: qcom: x1e80100: Add SMP2P nodes

SMP2P is used for interrupting and being interrupted about remoteproc
state changes related to the audio, compute and sensor subsystems.
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240129-x1e80100-dts-missing-nodes-v6-2-2c0e691cfa3b@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/x1e80100.dtsi

@@ -9,6 +9,7 @@
 #include <dt-bindings/interconnect/qcom,icc.h>
 #include <dt-bindings/interconnect/qcom,x1e80100-rpmh.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/mailbox/qcom-ipcc.h>
 #include <dt-bindings/power/qcom,rpmhpd.h>
 #include <dt-bindings/power/qcom-rpmpd.h>
 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
@@ -670,6 +671,58 @@ smem_mem: smem@ffe00000 {
 		};
 	};
 
+	smp2p-adsp {
+		compatible = "qcom,smp2p";
+
+		interrupts-extended = <&ipcc IPCC_CLIENT_LPASS
+					     IPCC_MPROC_SIGNAL_SMP2P
+					     IRQ_TYPE_EDGE_RISING>;
+
+		mboxes = <&ipcc IPCC_CLIENT_LPASS
+				IPCC_MPROC_SIGNAL_SMP2P>;
+
+		qcom,smem = <443>, <429>;
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <2>;
+
+		smp2p_adsp_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		smp2p_adsp_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
+
+	smp2p-cdsp {
+		compatible = "qcom,smp2p";
+
+		interrupts-extended = <&ipcc IPCC_CLIENT_CDSP
+					     IPCC_MPROC_SIGNAL_SMP2P
+					     IRQ_TYPE_EDGE_RISING>;
+
+		mboxes = <&ipcc IPCC_CLIENT_CDSP
+				IPCC_MPROC_SIGNAL_SMP2P>;
+
+		qcom,smem = <94>, <432>;
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <5>;
+
+		smp2p_cdsp_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		smp2p_cdsp_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
+
 	soc: soc@0 {
 		compatible = "simple-bus";