FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/misc/qemu,vcpu-stall-detector.yaml

     # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/misc/qemu,vcpu-stall-detector.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: VCPU stall detector
     
     description:
      This binding describes a CPU stall detector mechanism for virtual CPUs
      which is accessed through MMIO.
    
    maintainers:
      - Sebastian Ene <sebastianene@google.com>
    
    properties:
      compatible:
        enum:
          - qemu,vcpu-stall-detector
    
      reg:
        maxItems: 1
    
      clock-frequency:
        $ref: /schemas/types.yaml#/definitions/uint32
        description: |
          The internal clock of the stall detector peripheral measure in Hz used
          to decrement its internal counter register on each tick.
          Defaults to 10 if unset.
        default: 10
    
      timeout-sec:
        description: |
          The stall detector expiration timeout measured in seconds.
          Defaults to 8 if unset. Please note that it also takes into account the
          time spent while the VCPU is not running.
        default: 8
    
    required:
      - compatible
    
    additionalProperties: false
    
    examples:
      - |
        vmwdt@9030000 {
          compatible = "qemu,vcpu-stall-detector";
          reg = <0x9030000 0x10000>;
          clock-frequency = <10>;
          timeout-sec = <8>;
        };

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