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# Copyright 2021 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
description: >
Common properties for temperature sensors
Zero values in degrees K(-273 in degrees C)in thermal thresholds will
be ignored
compatible: cros-ec,temp-sensor
properties:
label:
required: true
type: string
description:
Human-readable string describing the device (used as
device_get_binding() argument)
enum-name:
type: string
required: true
description:
Enum values used in the source code to refer to the temperature sensors
enum:
- TEMP_SENSOR_1
- TEMP_SENSOR_2
- TEMP_SENSOR_3
- TEMP_SENSOR_4
- TEMP_SENSOR_AMB
- TEMP_SENSOR_CHARGER
- TEMP_SENSOR_CPU
- TEMP_SENSOR_DDR_SOC
- TEMP_SENSOR_FAN
- TEMP_SENSOR_MEMORY
- TEMP_SENSOR_PP3300_REGULATOR
- TEMP_SENSOR_SOC
- TEMP_SENSOR_1_DDR_SOC
- TEMP_SENSOR_2_AMBIENT
- TEMP_SENSOR_3_CHARGER
- TEMP_SENSOR_4_WWAN
power-good-pin:
type: phandle
description:
If this sensor will be unpowered some of the time, provide an input GPIO
which can be referenced to detect whether the sensor is powered before
reading.
temp_fan_off:
type: int
description:
Temperature threshold in degrees C when no active cooling
is needed
temp_fan_max:
type: int
description:
Temperature threshold in degrees C when max active cooling
is needed
temp_host_warn:
type: int
description:
Temperature threshold in degrees C of thermal warn.
Temperatures above the thermal warn threshold generate a
request to the AP to throttle itself.
temp_host_high:
type: int
description:
Temperature threshold in degrees C of thermal high.
Temperatures above the thermal high threshold cause the EC to
assert a signal (usually PROCHOT) to the AP and force the AP to
throttle.
temp_host_halt:
type: int
description:
Temperature threshold in degrees C that forces AP to shutdown
due to thermal reason
temp_host_release_warn:
type: int
description:
Temperature release threshold in degrees C of thermal warn
temp_host_release_high:
type: int
description:
Temperature release threshold in degrees C of thermal high
temp_host_release_halt:
type: int
description:
Temperature release threshold in degrees C of thermal shutdown
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