arm64: dts: qcom: sm8650: add IPA information

Add IPA-related nodes and definitions to SM8650 dtsi,
which uses IPA v5.5.1 a minor revision of v5.5 found
in the SM8550 SoC.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231201-topic-sm8650-upstream-ipa-v1-1-7e8cf7200cd2@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm8650.dtsi

@@ -2558,6 +2558,45 @@ gpucc: clock-controller@3d90000 {
 			#power-domain-cells = <1>;
 		};
 
+		ipa: ipa@3f40000 {
+			compatible = "qcom,sm8650-ipa", "qcom,sm8550-ipa";
+
+			iommus = <&apps_smmu 0x4a0 0x0>,
+				 <&apps_smmu 0x4a2 0x0>;
+			reg = <0 0x3f40000 0 0x10000>,
+			      <0 0x3f50000 0 0x5000>,
+			      <0 0x3e04000 0 0xfc000>;
+			reg-names = "ipa-reg",
+				    "ipa-shared",
+				    "gsi";
+
+			interrupts-extended = <&intc GIC_SPI 654 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 &mc_virt SLAVE_EBI1 0>,
+					<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_IPA_CFG 0>;
+			interconnect-names = "memory",
+					     "config";
+
+			qcom,qmp = <&aoss_qmp>;
+
+			qcom,smem-states = <&ipa_smp2p_out 0>,
+					   <&ipa_smp2p_out 1>;
+			qcom,smem-state-names = "ipa-clock-enabled-valid",
+						"ipa-clock-enabled";
+
+			status = "disabled";
+		};
+
 		remoteproc_mpss: remoteproc@4080000 {
 			compatible = "qcom,sm8650-mpss-pas";
 			reg = <0 0x04080000 0 0x4040>;