arm64: dts: qcom: sm6350: add IPA node

IPA is used for mobile data. Add a node describing it.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230104193759.3286014-2-elder@linaro.org

arch/arm64/boot/dts/qcom/sm6350.dtsi

@@ -580,7 +580,17 @@ modem_smp2p_out: master-kernel {
 
 		modem_smp2p_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>;
 		};
@@ -995,6 +1005,43 @@ ufs_mem_phy_lanes: phy@1d87400 {
 			};
 		};
 
+		ipa: ipa@1e40000 {
+			compatible = "qcom,sm6350-ipa";
+
+			iommus = <&apps_smmu 0x440 0x0>,
+				 <&apps_smmu 0x442 0x0>;
+			reg = <0 0x01e40000 0 0x8000>,
+			      <0 0x01e50000 0 0x3000>,
+			      <0 0x01e04000 0 0x23000>;
+			reg-names = "ipa-reg",
+				    "ipa-shared",
+				    "gsi";
+
+			interrupts-extended = <&intc GIC_SPI 311 IRQ_TYPE_EDGE_RISING>,
+					      <&intc GIC_SPI 432 IRQ_TYPE_LEVEL_HIGH>,
+					      <&ipa_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
+					      <&ipa_smp2p_in 1 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "ipa",
+					  "gsi",
+					  "ipa-clock-query",
+					  "ipa-setup-ready";
+
+			clocks = <&rpmhcc RPMH_IPA_CLK>;
+			clock-names = "core";
+
+			interconnects = <&aggre2_noc MASTER_IPA 0 &clk_virt SLAVE_EBI_CH0 0>,
+					<&aggre2_noc MASTER_IPA 0 &system_noc SLAVE_OCIMEM 0>,
+					<&gem_noc MASTER_AMPSS_M0 0 &config_noc SLAVE_IPA_CFG 0>;
+			interconnect-names = "memory", "imem", "config";
+
+			qcom,smem-states = <&ipa_smp2p_out 0>,
+					   <&ipa_smp2p_out 1>;
+			qcom,smem-state-names = "ipa-clock-enabled-valid",
+						"ipa-clock-enabled";
+
+			status = "disabled";
+		};
+
 		tcsr_mutex: hwlock@1f40000 {
 			compatible = "qcom,tcsr-mutex";
 			reg = <0x0 0x01f40000 0x0 0x40000>;