arm64: dts: qcom: sm6375: Add modem nodes

Add required nodes to make the embedded 5G modem boot up on SM6375.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230303-topic-sm6375_features0_dts-v2-8-708b8191f7eb@linaro.org

arch/arm64/boot/dts/qcom/sm6375.dtsi

@@ -572,6 +572,47 @@ smp2p_cdsp_in: slave-kernel {
 		};
 	};
 
+	smp2p-modem {
+		compatible = "qcom,smp2p";
+		qcom,smem = <435>, <428>;
+		interrupts-extended = <&ipcc IPCC_CLIENT_MPSS
+					     IPCC_MPROC_SIGNAL_SMP2P
+					     IRQ_TYPE_EDGE_RISING>;
+		mboxes = <&ipcc IPCC_CLIENT_MPSS
+				IPCC_MPROC_SIGNAL_SMP2P>;
+
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <1>;
+
+		smp2p_modem_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		smp2p_modem_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		ipa_smp2p_out: ipa-ap-to-modem {
+			qcom,entry-name = "ipa";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		ipa_smp2p_in: ipa-modem-to-ap {
+			qcom,entry-name = "ipa";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		wlan_smp2p_in: wlan-wpss-to-ap {
+			qcom,entry-name = "wlan";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
+
 	soc: soc@0 {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -1177,6 +1218,47 @@ usb_1_dwc3: usb@4e00000 {
 			};
 		};
 
+		remoteproc_mss: remoteproc@6000000 {
+			compatible = "qcom,sm6375-mpss-pas";
+			reg = <0 0x06000000 0 0x4040>;
+
+			interrupts-extended = <&intc GIC_SPI 307 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_modem_in 0 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_modem_in 1 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_modem_in 2 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_modem_in 3 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_modem_in 7 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "wdog",
+					  "fatal",
+					  "ready",
+					  "handover",
+					  "stop-ack",
+					  "shutdown-ack";
+
+			clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>;
+			clock-names = "xo";
+
+			power-domains = <&rpmpd SM6375_VDDCX>;
+			power-domain-names = "cx";
+
+			memory-region = <&pil_mpss_wlan_mem>;
+
+			qcom,smem-states = <&smp2p_modem_out 0>;
+			qcom,smem-state-names = "stop";
+
+			status = "disabled";
+
+			glink-edge {
+				interrupts-extended = <&ipcc IPCC_CLIENT_MPSS
+							     IPCC_MPROC_SIGNAL_GLINK_QMP
+							     IRQ_TYPE_EDGE_RISING>;
+				mboxes = <&ipcc IPCC_CLIENT_MPSS
+						IPCC_MPROC_SIGNAL_GLINK_QMP>;
+				label = "modem";
+				qcom,remote-pid = <1>;
+			};
+		};
+
 		remoteproc_adsp: remoteproc@a400000 {
 			compatible = "qcom,sm6375-adsp-pas";
 			reg = <0 0x0a400000 0 0x100>;