1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2 %YAML 1.2 3 --- 4 $id: http://devicetree.org/schemas/perf/arm,coresight-pmu.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 6 7 title: Arm Coresight Performance Monitoring Unit Architecture 8 9 maintainers: 10 - Robin Murphy <robin.murphy@arm.com> 11 12 properties: 13 compatible: 14 const: arm,coresight-pmu 15 16 reg: 17 items: 18 - description: Register page 0 19 - description: Register page 1, if the PMU implements the dual-page extension 20 minItems: 1 21 22 interrupts: 23 items: 24 - description: Overflow interrupt 25 26 cpus: 27 description: If the PMU is associated with a particular CPU or subset of CPUs, 28 array of phandles to the appropriate CPU node(s) 29 30 reg-io-width: 31 description: Granularity at which PMU register accesses are single-copy atomic 32 default: 4 33 enum: [4, 8] 34 35 required: 36 - compatible 37 - reg 38 39 additionalProperties: false
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