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# Copyright 2022 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
description: Fan steps parent node
compatible: "cros-ec,fan-steps"
child-binding:
description: Support multiple thermal sensor temperature to trigger different fans speed,
each step could have different rpm for each fan
properties:
temp_on:
required: false
type: array
description:
Temperatures for each sensor to trigger next fan level,
<sensor 0, sensor 1, sensor 2, ...> mapping to variant overlay
temp_off:
required: false
type: array
description:
Temperatures for each sensor to trigger previous fan level,
<sensor 0, sensor 1, sensor 2, ...> mapping to variant overlay
rpm_target:
required: false
type: array
description:
Support multiple fan speed target for each level (in RPM),
<fan0 rpm target, fan1 rpm target, ...>
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