Messages in this thread Patch in this message | | | From | Ji Sheng Teoh <> | Subject | [PATCH 2/2] dt-bindings: perf: starfive: Add StarLink PMU | Date | Mon, 13 Nov 2023 12:22:31 +0800 |
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Add device tree binding for StarFive's StarLink PMU (Performance Monitor Unit).
Signed-off-by: Ji Sheng Teoh <jisheng.teoh@starfivetech.com> --- .../bindings/perf/starfive,starlink-pmu.yaml | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/perf/starfive,starlink-pmu.yaml
diff --git a/Documentation/devicetree/bindings/perf/starfive,starlink-pmu.yaml b/Documentation/devicetree/bindings/perf/starfive,starlink-pmu.yaml new file mode 100644 index 000000000000..b164f6849055 --- /dev/null +++ b/Documentation/devicetree/bindings/perf/starfive,starlink-pmu.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/perf/starfive,starlink-pmu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive StarLink PMU + +maintainers: + - Ji Sheng Teoh <jisheng.teoh@starfivetech.com> + +description: + StarFive's StarLink PMU integrates one or more CPU cores with a shared L3 + memory system. The PMU support overflow interrupt, up to 16 programmable + 64bit event counters, and an independent 64bit cycle counter. + StarLink PMU is accessed via MMIO. + +properties: + compatible: + const: starfive,starlink-pmu + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + l3_pmu: pmu@12900000 { + compatible = "starfive,starlink-pmu"; + reg = <0x0 0x12900000 0x0 0x10000>; + interrupts = <34>; + }; + }; -- 2.25.1
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