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Update temperature units from millicelcius to millidegree Celsius #7347

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Update temperature units from millicelcius to millidegree Celsius #7347

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86 changes: 43 additions & 43 deletions arch/arm/boot/dts/overlays/README
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Original file line number Diff line number Diff line change
Expand Up @@ -273,27 +273,27 @@ Params:
1000 (default set by the platform). Pi3B+,
Pi4, Pi400, CM4, Pi5, Pi500, and CM5 only.

fan_temp0 Temperature threshold (in millicelcius) for
fan_temp0 Temperature threshold (in millidegree Celsius) for
1st cooling level (default 50000). Pi5 only.
fan_temp0_hyst Temperature hysteresis (in millicelcius) for
fan_temp0_hyst Temperature hysteresis (in millidegree Celsius) for
1st cooling level (default 5000). Pi5 only.
fan_temp0_speed Fan PWM setting for 1st cooling level (0-255,
default 75). Pi5 only.
fan_temp1 Temperature threshold (in millicelcius) for
fan_temp1 Temperature threshold (in millidegree Celsius) for
2nd cooling level (default 60000). Pi5 only.
fan_temp1_hyst Temperature hysteresis (in millicelcius) for
fan_temp1_hyst Temperature hysteresis (in millidegree Celsius) for
2nd cooling level (default 5000). Pi5 only.
fan_temp1_speed Fan PWM setting for 2nd cooling level (0-255,
default 125). Pi5 only.
fan_temp2 Temperature threshold (in millicelcius) for
fan_temp2 Temperature threshold (in millidegree Celsius) for
3rd cooling level (default 67500). Pi5 only.
fan_temp2_hyst Temperature hysteresis (in millicelcius) for
fan_temp2_hyst Temperature hysteresis (in millidegree Celsius) for
3rd cooling level (default 5000). Pi5 only.
fan_temp2_speed Fan PWM setting for 3rd cooling level (0-255,
default 175). Pi5 only.
fan_temp3 Temperature threshold (in millicelcius) for
fan_temp3 Temperature threshold (in millidegree Celsius) for
4th cooling level (default 75000). Pi5 only.
fan_temp3_hyst Temperature hysteresis (in millicelcius) for
fan_temp3_hyst Temperature hysteresis (in millidegree Celsius) for
4th cooling level (default 5000). Pi5 only.
fan_temp3_speed Fan PWM setting for 4th cooling level (0-255,
default 250). Pi5 only.
Expand Down Expand Up @@ -1532,8 +1532,8 @@ Info: Configure a GPIO pin to control a cooling fan.
Load: dtoverlay=gpio-fan,<param>=<val>
Params: gpiopin GPIO used to control the fan (default 12)
temp Temperature at which the fan switches on, in
millicelcius (default 55000)
hyst Temperature delta (in millicelcius) below
millidegree Celsius (default 55000)
hyst Temperature delta (in millidegree Celsius) below
temp at which the fan will drop to minrpm
(default 10000)

Expand Down Expand Up @@ -2194,17 +2194,17 @@ Params: addr Sets the address for the fan controller. Note
mintemp (range 0-255. default 0)
maxpwm PWM setting for the fan when the SoC is above
maxtemp (range 0-255. default 255)
midtemp Temperature (in millicelcius) at which the fan
midtemp Temperature (in millidegree Celsius) at which the fan
begins to speed up (default 50000)

midtemp_hyst Temperature delta (in millicelcius) below
midtemp_hyst Temperature delta (in millidegree Celsius) below
mintemp at which the fan will drop to minrpm
(default 2000)

maxtemp Temperature (in millicelcius) at which the fan
maxtemp Temperature (in millidegree Celsius) at which the fan
will be held at maxrpm (default 70000)

maxtemp_hyst Temperature delta (in millicelcius) below
maxtemp_hyst Temperature delta (in millidegree Celsius) below
maxtemp at which the fan begins to slow down
(default 2000)

Expand Down Expand Up @@ -4285,28 +4285,28 @@ Load: dtoverlay=pwm-gpio-fan,<param>=<val>
Params: fan_gpio BCM number of the pin driving the fan,
default 18 (GPIO 18)
fan_temp0 CPU temperature at which fan is started with
low speed in millicelsius,
low speed in millidegree Celsius,
default 55000 (55 °C)
fan_temp1 CPU temperature at which fan is switched
to medium speed in millicelsius,
to medium speed in millidegree Celsius,
default 60000 (60 °C)
fan_temp2 CPU temperature at which fan is switched
to high speed in millicelsius,
to high speed in millidegree Celsius,
default 67500 (67.5 °C)
fan_temp3 CPU temperature at which fan is switched
to max speed in millicelsius,
to max speed in millidegree Celsius,
default 75000 (75 °C)
fan_temp0_hyst Temperature hysteris at which fan is stopped
in millicelsius,default 5000 (resulting
in 50 °C)
fan_temp1_hyst Temperature hysteris at which fan is switched
back to low speed in millicelsius,
fan_temp0_hyst Temperature hysteresis at which fan is stopped
in millidegree Celsius,
default 5000 (resulting in 50 °C)
fan_temp1_hyst Temperature hysteresis at which fan is switched
back to low speed in millidegree Celsius,
default 5000 (resulting in 55 °C)
fan_temp2_hyst Temperature hysteris at which fan is switched
back to medium speed in millicelsius,
fan_temp2_hyst Temperature hysteresis at which fan is switched
back to medium speed in millidegree Celsius,
default 5000 (resulting in 62.5 °C)
fan_temp3_hyst Temperature hysteris at which fan is switched
back to high speed in millicelsius,
fan_temp3_hyst Temperature hysteresis at which fan is switched
back to high speed in millidegree Celsius,
default 5000 (resulting in 70 °C)
fan_temp0_speed Fan speed for low cooling state in range
0 to 255, default 114 (45% PWM duty cycle)
Expand Down Expand Up @@ -4560,21 +4560,21 @@ Params: txd0_pin GPIO pin for TXD0 (any free - default 20)
Name: rpi-poe
Info: Raspberry Pi PoE HAT fan
Load: dtoverlay=rpi-poe,<param>[=<val>]
Params: poe_fan_temp0 Temperature (in millicelcius) at which the fan
Params: poe_fan_temp0 Temperature (in millidegree Celsius) at which the fan
turns on (default 40000)
poe_fan_temp0_hyst Temperature delta (in millicelcius) at which
poe_fan_temp0_hyst Temperature delta (in millidegree Celsius) at which
the fan turns off (default 2000)
poe_fan_temp1 Temperature (in millicelcius) at which the fan
poe_fan_temp1 Temperature (in millidegree Celsius) at which the fan
speeds up (default 45000)
poe_fan_temp1_hyst Temperature delta (in millicelcius) at which
poe_fan_temp1_hyst Temperature delta (in millidegree Celsius) at which
the fan slows down (default 2000)
poe_fan_temp2 Temperature (in millicelcius) at which the fan
poe_fan_temp2 Temperature (in millidegree Celsius) at which the fan
speeds up (default 50000)
poe_fan_temp2_hyst Temperature delta (in millicelcius) at which
poe_fan_temp2_hyst Temperature delta (in millidegree Celsius) at which
the fan slows down (default 2000)
poe_fan_temp3 Temperature (in millicelcius) at which the fan
poe_fan_temp3 Temperature (in millidegree Celsius) at which the fan
speeds up (default 55000)
poe_fan_temp3_hyst Temperature delta (in millicelcius) at which
poe_fan_temp3_hyst Temperature delta (in millidegree Celsius) at which
the fan slows down (default 5000)
i2c Control the fan via Linux I2C drivers instead of
the firmware.
Expand All @@ -4583,21 +4583,21 @@ Params: poe_fan_temp0 Temperature (in millicelcius) at which the fan
Name: rpi-poe-plus
Info: Raspberry Pi PoE+ HAT fan
Load: dtoverlay=rpi-poe-plus,<param>[=<val>]
Params: poe_fan_temp0 Temperature (in millicelcius) at which the fan
Params: poe_fan_temp0 Temperature (in millidegree Celsius) at which the fan
turns on (default 40000)
poe_fan_temp0_hyst Temperature delta (in millicelcius) at which
poe_fan_temp0_hyst Temperature delta (in millidegree Celsius) at which
the fan turns off (default 2000)
poe_fan_temp1 Temperature (in millicelcius) at which the fan
poe_fan_temp1 Temperature (in millidegree Celsius) at which the fan
speeds up (default 45000)
poe_fan_temp1_hyst Temperature delta (in millicelcius) at which
poe_fan_temp1_hyst Temperature delta (in millidegree Celsius) at which
the fan slows down (default 2000)
poe_fan_temp2 Temperature (in millicelcius) at which the fan
poe_fan_temp2 Temperature (in millidegree Celsius) at which the fan
speeds up (default 50000)
poe_fan_temp2_hyst Temperature delta (in millicelcius) at which
poe_fan_temp2_hyst Temperature delta (in millidegree Celsius) at which
the fan slows down (default 2000)
poe_fan_temp3 Temperature (in millicelcius) at which the fan
poe_fan_temp3 Temperature (in millidegree Celsius) at which the fan
speeds up (default 55000)
poe_fan_temp3_hyst Temperature delta (in millicelcius) at which
poe_fan_temp3_hyst Temperature delta (in millidegree Celsius) at which
the fan slows down (default 5000)
i2c Control the fan via Linux I2C drivers instead of
the firmware.
Expand Down