Messages in this thread Patch in this message | | | From | Anshuman Khandual <> | Subject | [PATCH 11/11] dts: bindings: Document device tree binding for Arm TRBE | Date | Wed, 23 Dec 2020 15:33:43 +0530 |
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This patch documents the device tree binding in use for Arm TRBE.
Cc: devicetree@vger.kernel.org Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> --- Changes in V1:
- TRBE DT entry has been renamed as 'arm, trace-buffer-extension'
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..001945d --- /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,trace-buffer-extension" + +- 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,trace-buffer-extension"; + interrupts = <GIC_PPI 15 IRQ_TYPE_LEVEL_HIGH>; +}; -- 2.7.4
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