arm64: dts: hi3660: Add CoreSight support

This patch adds DT bindings for the CoreSight trace components
on hi3660, which is used by 96boards Hikey960.
Signed-off-by: Wanglai Shi <shiwanglai@hisilicon.com>
Reviewed-and-tested-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/boot/dts/hisilicon/hi3660-coresight.dtsi

+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * dtsi for Hisilicon Hi3660 Coresight
+ *
+ * Copyright (C) 2016-2018 Hisilicon Ltd.
+ *
+ * Author: Wanglai Shi <shiwanglai@hisilicon.com>
+ *
+ */
+/ {
+	soc {
+		/* A53 cluster internals */
+		etm@ecc40000 {
+			compatible = "arm,coresight-etm4x", "arm,primecell";
+			reg = <0 0xecc40000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+			cpu = <&cpu0>;
+
+			out-ports {
+				port {
+					etm0_out: endpoint {
+						remote-endpoint =
+							<&cluster0_funnel_in0>;
+					};
+				};
+			};
+		};
+
+		etm@ecd40000 {
+			compatible = "arm,coresight-etm4x", "arm,primecell";
+			reg = <0 0xecd40000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+			cpu = <&cpu1>;
+
+			out-ports {
+				port {
+					etm1_out: endpoint {
+						remote-endpoint =
+							<&cluster0_funnel_in1>;
+					};
+				};
+			};
+		};
+
+		etm@ece40000 {
+			compatible = "arm,coresight-etm4x", "arm,primecell";
+			reg = <0 0xece40000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+			cpu = <&cpu2>;
+
+			out-ports {
+				port {
+					etm2_out: endpoint {
+						remote-endpoint =
+							<&cluster0_funnel_in2>;
+					};
+				};
+			};
+		};
+
+		etm@ecf40000 {
+			compatible = "arm,coresight-etm4x", "arm,primecell";
+			reg = <0 0xecf40000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+			cpu = <&cpu3>;
+
+			out-ports {
+				port {
+					etm3_out: endpoint {
+						remote-endpoint =
+							<&cluster0_funnel_in3>;
+					};
+				};
+			};
+		};
+
+		funnel@ec801000 {
+			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
+			reg = <0 0xec801000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+
+			out-ports {
+				port {
+					cluster0_funnel_out: endpoint {
+						remote-endpoint =
+							<&cluster0_etf_in>;
+					};
+				};
+			};
+
+			in-ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					cluster0_funnel_in0: endpoint {
+						remote-endpoint = <&etm0_out>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+					cluster0_funnel_in1: endpoint {
+						remote-endpoint = <&etm1_out>;
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+					cluster0_funnel_in2: endpoint {
+						remote-endpoint = <&etm2_out>;
+					};
+				};
+
+				port@3 {
+					reg = <3>;
+					cluster0_funnel_in3: endpoint {
+						remote-endpoint = <&etm3_out>;
+					};
+				};
+			};
+		};
+
+		etf@ec802000 {
+			compatible = "arm,coresight-tmc", "arm,primecell";
+			reg = <0 0xec802000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+
+			in-ports {
+				port {
+					cluster0_etf_in: endpoint {
+						remote-endpoint =
+							<&cluster0_funnel_out>;
+					};
+				};
+			};
+
+			out-ports {
+				port {
+					cluster0_etf_out: endpoint {
+						remote-endpoint =
+							<&combo_funnel_in0>;
+					};
+				};
+			};
+		};
+
+		/* A73 cluster internals */
+		etm@ed440000 {
+			compatible = "arm,coresight-etm4x", "arm,primecell";
+			reg = <0 0xed440000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+			cpu = <&cpu4>;
+
+			out-ports {
+				port {
+					etm4_out: endpoint {
+						remote-endpoint =
+							<&cluster1_funnel_in0>;
+					};
+				};
+			};
+		};
+
+		etm@ed540000 {
+			compatible = "arm,coresight-etm4x", "arm,primecell";
+			reg = <0 0xed540000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+			cpu = <&cpu5>;
+
+			out-ports {
+				port {
+					etm5_out: endpoint {
+						remote-endpoint =
+							<&cluster1_funnel_in1>;
+					};
+				};
+			};
+		};
+
+		etm@ed640000 {
+			compatible = "arm,coresight-etm4x", "arm,primecell";
+			reg = <0 0xed640000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+			cpu = <&cpu6>;
+
+			out-ports {
+				port {
+					etm6_out: endpoint {
+						remote-endpoint =
+							<&cluster1_funnel_in2>;
+					};
+				};
+			};
+		};
+
+		etm@ed740000 {
+			compatible = "arm,coresight-etm4x", "arm,primecell";
+			reg = <0 0xed740000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+			cpu = <&cpu7>;
+
+			out-ports {
+				port {
+					etm7_out: endpoint {
+						remote-endpoint =
+							<&cluster1_funnel_in3>;
+					};
+				};
+			};
+		};
+
+		funnel@ed001000 {
+			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
+			reg = <0 0xed001000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+			out-ports {
+				port {
+					cluster1_funnel_out: endpoint {
+						remote-endpoint =
+							<&cluster1_etf_in>;
+					};
+				};
+			};
+
+			in-ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					cluster1_funnel_in0: endpoint {
+						remote-endpoint = <&etm4_out>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+					cluster1_funnel_in1: endpoint {
+						remote-endpoint = <&etm5_out>;
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+					cluster1_funnel_in2: endpoint {
+						remote-endpoint = <&etm6_out>;
+					};
+				};
+
+				port@3 {
+					reg = <3>;
+					cluster1_funnel_in3: endpoint {
+						remote-endpoint = <&etm7_out>;
+					};
+				};
+			};
+		};
+
+		etf@ed002000 {
+			compatible = "arm,coresight-tmc", "arm,primecell";
+			reg = <0 0xed002000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+
+			in-ports {
+				port {
+					cluster1_etf_in: endpoint {
+						remote-endpoint =
+							<&cluster1_funnel_out>;
+					};
+				};
+			};
+
+			out-ports {
+				port {
+					cluster1_etf_out: endpoint {
+						remote-endpoint =
+							<&combo_funnel_in1>;
+					};
+				};
+			};
+		};
+
+		/* An invisible combo funnel between clusters and top funnel */
+		funnel {
+			compatible = "arm,coresight-static-funnel";
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+
+			out-ports {
+				port {
+					combo_funnel_out: endpoint {
+						remote-endpoint =
+							<&top_funnel_in>;
+					};
+				};
+			};
+
+			in-ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					combo_funnel_in0: endpoint {
+						remote-endpoint =
+							<&cluster0_etf_out>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+					combo_funnel_in1: endpoint {
+						remote-endpoint =
+							<&cluster1_etf_out>;
+					};
+				};
+			};
+		};
+
+		/* Top internals */
+		funnel@ec031000 {
+			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
+			reg = <0 0xec031000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+
+			out-ports {
+				port {
+					top_funnel_out: endpoint {
+						remote-endpoint =
+							<&top_etf_in>;
+					};
+				};
+			};
+
+			in-ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					top_funnel_in: endpoint {
+						remote-endpoint =
+							<&combo_funnel_out>;
+					};
+				};
+			};
+		};
+
+		etf@ec036000 {
+			compatible = "arm,coresight-tmc", "arm,primecell";
+			reg = <0 0xec036000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+
+			in-ports {
+				port {
+					top_etf_in: endpoint {
+						remote-endpoint =
+							<&top_funnel_out>;
+					};
+				};
+			};
+
+			out-ports {
+				port {
+					top_etf_out: endpoint {
+						remote-endpoint =
+							<&replicator_in>;
+					};
+				};
+			};
+		};
+
+		replicator {
+			compatible = "arm,coresight-static-replicator";
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+
+			in-ports {
+				port {
+					replicator_in: endpoint {
+						remote-endpoint =
+							<&top_etf_out>;
+					};
+				};
+			};
+
+			out-ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					replicator0_out0: endpoint {
+						remote-endpoint = <&etr_in>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+					replicator0_out1: endpoint {
+						remote-endpoint = <&tpiu_in>;
+					};
+				};
+			};
+		};
+
+		etr@ec033000 {
+			compatible = "arm,coresight-tmc", "arm,primecell";
+			reg = <0 0xec033000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+
+			in-ports {
+				port {
+					etr_in: endpoint {
+						remote-endpoint =
+							<&replicator0_out0>;
+					};
+				};
+			};
+		};
+
+		tpiu@ec032000 {
+			compatible = "arm,coresight-tpiu", "arm,primecell";
+			reg = <0 0xec032000 0 0x1000>;
+			clocks = <&crg_ctrl HI3660_PCLK>;
+			clock-names = "apb_pclk";
+
+			in-ports {
+				port {
+					tpiu_in: endpoint {
+						remote-endpoint =
+							<&replicator0_out1>;
+					};
+				};
+			};
+		};
+	};
+};

arch/arm64/boot/dts/hisilicon/hi3660.dtsi

@@ -1154,3 +1154,5 @@ map1 {
 		};
 	};
 };
+
+#include "hi3660-coresight.dtsi"