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