The stall detection mechanism allows to configure the expiration duration and the internal counter clock frequency measured in Hz. Add these properties in the schema. Signed-off-by: Sebastian Ene <sebastianene@xxxxxxxxxx> --- .../devicetree/bindings/misc/vm-watchdog.yaml | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/vm-watchdog.yaml diff --git a/Documentation/devicetree/bindings/misc/vm-watchdog.yaml b/Documentation/devicetree/bindings/misc/vm-watchdog.yaml new file mode 100644 index 000000000000..d7cca23357ab --- /dev/null +++ b/Documentation/devicetree/bindings/misc/vm-watchdog.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/vm-watchdog.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: VM watchdog + +description: | + This binding describes a CPU stall detector mechanism for virtual cpus + which is accessed through MMIO. + +maintainers: + - Sebastian Ene <sebastianene@xxxxxxxxxx> + +properties: + compatible: + enum: + - qemu,vm-watchdog + clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + The watchdog internal clock measure in Hz used to decrement the + watchdog counter register on each tick. + Defaults to 10 if unset. + timeout-sec: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + The watchdog expiration timeout measured in seconds. + Defaults to 8 if unset. + +required: + - compatible + +additionalProperties: false + +examples: + - | + watchdog { + compatible = "qemu,vm-watchdog"; + clock-frequency = <10>; + timeout-sec = <8>; + }; + +... -- 2.36.0.464.gb9c8b46e94-goog
