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Commit fe467ad1 authored by Chunyan Zhang's avatar Chunyan Zhang Committed by Olof Johansson
Browse files

arm64: dts: sprd: adding ETM entries to Spreadtrum SC9836 



Since ETMv4 driver has been merged, this patch adds ETM nodes for SC9836,
and four funnel input ports to connect with ETM output ports.

Signed-off-by: default avatarChunyan Zhang <zhang.chunyan@linaro.org>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent bc0195aa

arch/arm64/boot/dts/sprd/sc9836.dtsi

+94 −5
Original line number Diff line number Diff line
@@ -16,28 +16,28 @@ 
		#address-cells = <2>;

		#size-cells = <0>;



		cpu@0 {

		cpu0: cpu@0 {

			device_type = "cpu";

			compatible = "arm,cortex-a53", "arm,armv8";

			reg = <0x0 0x0>;

			enable-method = "psci";

		};



		cpu@1 {

		cpu1: cpu@1 {

			device_type = "cpu";

			compatible = "arm,cortex-a53", "arm,armv8";

			reg = <0x0 0x1>;

			enable-method = "psci";

		};



		cpu@2 {

		cpu2: cpu@2 {

			device_type = "cpu";

			compatible = "arm,cortex-a53", "arm,armv8";

			reg = <0x0 0x2>;

			enable-method = "psci";

		};



		cpu@3 {

		cpu3: cpu@3 {

			device_type = "cpu";

			compatible = "arm,cortex-a53", "arm,armv8";

			reg = <0x0 0x3>;
@@ -75,14 +75,103 @@ 
				};

			};



			/* funnel input port 0~3 is reserved for ETMs */

			/* funnel input port 0-4 */

			port@1 {

				reg = <0>;

				funnel_in_port0: endpoint {

					slave-mode;

					remote-endpoint = <&etm0_out>;

				};

			};



			port@2 {

				reg = <1>;

				funnel_in_port1: endpoint {

					slave-mode;

					remote-endpoint = <&etm1_out>;

				};

			};



			port@3 {

				reg = <2>;

				funnel_in_port2: endpoint {

					slave-mode;

					remote-endpoint = <&etm2_out>;

				};

			};



			port@4 {

				reg = <3>;

				funnel_in_port3: endpoint {

					slave-mode;

					remote-endpoint = <&etm3_out>;

				};

			};



			port@5 {

				reg = <4>;

				funnel_in_port4: endpoint {

					slave-mode;

					remote-endpoint = <&stm_out>;

				};

			};

			/* Other input ports aren't connected to anyone */

		};

	};



	etm@10440000 {

		compatible = "arm,coresight-etm4x", "arm,primecell";

		reg = <0 0x10440000 0 0x1000>;



		cpu = <&cpu0>;

		clocks = <&clk26mhz>;

		clock-names = "apb_pclk";

		port {

			etm0_out: endpoint {

				remote-endpoint = <&funnel_in_port0>;

			};

		};

	};



	etm@10540000 {

		compatible = "arm,coresight-etm4x", "arm,primecell";

		reg = <0 0x10540000 0 0x1000>;



		cpu = <&cpu1>;

		clocks = <&clk26mhz>;

		clock-names = "apb_pclk";

		port {

			etm1_out: endpoint {

				remote-endpoint = <&funnel_in_port1>;

			};

		};

	};



	etm@10640000 {

		compatible = "arm,coresight-etm4x", "arm,primecell";

		reg = <0 0x10640000 0 0x1000>;



		cpu = <&cpu2>;

		clocks = <&clk26mhz>;

		clock-names = "apb_pclk";

		port {

			etm2_out: endpoint {

				remote-endpoint = <&funnel_in_port2>;

			};

		};

	};



	etm@10740000 {

		compatible = "arm,coresight-etm4x", "arm,primecell";

		reg = <0 0x10740000 0 0x1000>;



		cpu = <&cpu3>;

		clocks = <&clk26mhz>;

		clock-names = "apb_pclk";

		port {

			etm3_out: endpoint {

				remote-endpoint = <&funnel_in_port3>;

			};

		};

	};