This patch documents the device tree binding in use for Arm TRBE.
Signed-off-by: Anshuman Khandual anshuman.khandual@arm.com --- Documentation/devicetree/bindings/arm/trbe.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/trbe.txt
diff --git a/Documentation/devicetree/bindings/arm/trbe.txt b/Documentation/devicetree/bindings/arm/trbe.txt new file mode 100644 index 0000000..4bb5b09 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/trbe.txt @@ -0,0 +1,20 @@ +* Trace Buffer Extension (TRBE) + +Trace Buffer Extension (TRBE) is used for collecting trace data generated +from a corresponding trace unit (ETE) using an in memory trace buffer. + +** TRBE Required properties: + +- compatible : should be one of: + "arm,arm-trbe" + +- interrupts : Exactly 1 PPI must be listed. For heterogeneous systems where + TRBE is only supported on a subset of the CPUs, please consult + the arm,gic-v3 binding for details on describing a PPI partition. + +** Example: + +trbe { + compatible = "arm,arm-trbe"; + interrupts = <GIC_PPI 15 IRQ_TYPE_LEVEL_HIGH>; +};