dt-bindings: arm: coresight: Unify funnel DT binding (d3b18ad6) · Commits · 戴 / test

Documentation/devicetree/bindings/arm/coresight.txt

+48 −5

Original line number	Diff line number	Diff line
		@@ -8,7 +8,8 @@ through the intermediate links connecting the source to the currently selected
		sink. Each CoreSight component device should use these properties to describe
		its hardware characteristcs.

		* Required properties for all components except non-configurable replicators:
		* Required properties for all components except non-configurable replicators
		and non-configurable funnels:

		* compatible: These have to be supplemented with "arm,primecell" as
		drivers are using the AMBA bus interface. Possible values include:
		@@ -24,8 +25,10 @@ its hardware characteristcs.
		discovered at boot time when the device is probed.
		"arm,coresight-tmc", "arm,primecell";

		- Trace Funnel:
		"arm,coresight-funnel", "arm,primecell";
		- Trace Programmable Funnel:
		"arm,coresight-dynamic-funnel", "arm,primecell";
		"arm,coresight-funnel", "arm,primecell"; (OBSOLETE. For
		backward compatibility and will be removed)

		- Embedded Trace Macrocell (version 3.x) and
		Program Flow Trace Macrocell:
		@@ -65,7 +68,7 @@ its hardware characteristcs.
		"stm-stimulus-base", each corresponding to the areas defined in "reg".

		* Required properties for devices that don't show up on the AMBA bus, such as
		non-configurable replicators:
		non-configurable replicators and non-configurable funnels:

		* compatible: Currently supported value is (note the absence of the
		AMBA markee):
		@@ -74,6 +77,9 @@ its hardware characteristcs.
		"arm,coresight-replicator"; (OBSOLETE. For backward
		compatibility and will be removed)

		- Coresight Non-configurable Funnel:
		"arm,coresight-static-funnel";

		* port or ports: see "Graph bindings for Coresight" below.

		* Optional properties for ETM/PTMs:
		@@ -203,8 +209,45 @@ Example:
		};
		};

		funnel {
		/*
		* non-configurable funnel don't show up on the AMBA
		* bus. As such no need to add "arm,primecell".
		*/
		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>;
		};
		};
		};
		};

		funnel@20040000 {
		compatible = "arm,coresight-funnel", "arm,primecell";
		compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
		reg = <0 0x20040000 0 0x1000>;

		clocks = <&oscclk6a>;

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