Documentation/devicetree/bindings/arm/pmu.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/arm/pmu.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/arm/pmu.yaml
Extension
.yaml
Size
4200 bytes
Lines
134
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/pmu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ARM Performance Monitor Units

maintainers:
  - Mark Rutland <mark.rutland@arm.com>
  - Will Deacon <will.deacon@arm.com>

description: |+
  ARM cores often have a PMU for counting cpu and cache events like cache misses
  and hits. The interface to the PMU is part of the ARM ARM. The ARM PMU
  representation in the device tree should be done as under:-

properties:
  compatible:
    items:
      - enum:
          - apm,potenza-pmu
          - apple,avalanche-pmu
          - apple,blizzard-pmu
          - apple,firestorm-pmu
          - apple,icestorm-pmu
          - arm,armv8-pmuv3 # Only for s/w models
          - arm,arm1136-pmu
          - arm,arm1176-pmu
          - arm,arm11mpcore-pmu
          - arm,c1-nano-pmu
          - arm,c1-premium-pmu
          - arm,c1-pro-pmu
          - arm,c1-ultra-pmu
          - arm,cortex-a5-pmu
          - arm,cortex-a7-pmu
          - arm,cortex-a8-pmu
          - arm,cortex-a9-pmu
          - arm,cortex-a12-pmu
          - arm,cortex-a15-pmu
          - arm,cortex-a17-pmu
          - arm,cortex-a32-pmu
          - arm,cortex-a34-pmu
          - arm,cortex-a35-pmu
          - arm,cortex-a53-pmu
          - arm,cortex-a55-pmu
          - arm,cortex-a57-pmu
          - arm,cortex-a65-pmu
          - arm,cortex-a72-pmu
          - arm,cortex-a73-pmu
          - arm,cortex-a75-pmu
          - arm,cortex-a76-pmu
          - arm,cortex-a77-pmu
          - arm,cortex-a78-pmu
          - arm,cortex-a320-pmu
          - arm,cortex-a510-pmu
          - arm,cortex-a520-pmu
          - arm,cortex-a520ae-pmu
          - arm,cortex-a710-pmu
          - arm,cortex-a715-pmu
          - arm,cortex-a720-pmu
          - arm,cortex-a720ae-pmu
          - arm,cortex-a725-pmu
          - arm,cortex-x1-pmu
          - arm,cortex-x2-pmu
          - arm,cortex-x3-pmu
          - arm,cortex-x4-pmu
          - arm,cortex-x925-pmu
          - arm,neoverse-e1-pmu
          - arm,neoverse-n1-pmu

Annotation

Implementation Notes