blob: dfba1af9abe55b3d963bdcc8fd786f634715f1bd [file] [log] [blame]
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/power/domain-idle-state.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: PM Domain Idle States binding description
maintainers:
- Ulf Hansson <ulf.hansson@linaro.org>
description:
A domain idle state node represents the state parameters that will be used to
select the state when there are no active components in the PM domain.
properties:
$nodename:
const: domain-idle-states
patternProperties:
"^(cpu|cluster|domain)-":
type: object
description:
Each state node represents a domain idle state description.
properties:
compatible:
const: domain-idle-state
entry-latency-us:
description:
The worst case latency in microseconds required to enter the idle
state. Note that, the exit-latency-us duration may be guaranteed only
after the entry-latency-us has passed.
exit-latency-us:
description:
The worst case latency in microseconds required to exit the idle
state.
min-residency-us:
description:
The minimum residency duration in microseconds after which the idle
state will yield power benefits, after overcoming the overhead while
entering the idle state.
required:
- compatible
- entry-latency-us
- exit-latency-us
- min-residency-us
examples:
- |
domain-idle-states {
domain_retention: domain-retention {
compatible = "domain-idle-state";
entry-latency-us = <20>;
exit-latency-us = <40>;
min-residency-us = <80>;
};
};
...