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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/arm/arm,trace-buffer-extension.yaml | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/arm/arm,trace-buffer-extension.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/arm/arm,trace-buffer-extension.yaml | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/arm,trace-buffer-extension.yaml b/Documentation/devicetree/bindings/arm/arm,trace-buffer-extension.yaml new file mode 100644 index 000000000..87128e7b7 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/arm,trace-buffer-extension.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +# Copyright 2021, Arm Ltd +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/arm,trace-buffer-extension.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Trace Buffer Extensions + +maintainers: + - Anshuman Khandual <anshuman.khandual@arm.com> + +description: | + Arm Trace Buffer Extension (TRBE) is a per CPU component + for storing trace generated on the CPU to memory. It is + accessed via CPU system registers. The software can verify + if it is permitted to use the component by checking the + TRBIDR register. + +properties: + $nodename: + const: trbe + + compatible: + items: + - const: arm,trace-buffer-extension + + interrupts: + description: | + 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. + maxItems: 1 + +required: + - compatible + - interrupts + +additionalProperties: false + +examples: + + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + trbe { + compatible = "arm,trace-buffer-extension"; + interrupts = <GIC_PPI 15 IRQ_TYPE_LEVEL_HIGH>; + }; +... |