diff options
Diffstat (limited to 'Documentation/devicetree/bindings/hwmon/pwm-fan.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/hwmon/pwm-fan.yaml | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/pwm-fan.yaml b/Documentation/devicetree/bindings/hwmon/pwm-fan.yaml index 4e5abf7580cc..a84cc3a4cfdc 100644 --- a/Documentation/devicetree/bindings/hwmon/pwm-fan.yaml +++ b/Documentation/devicetree/bindings/hwmon/pwm-fan.yaml @@ -31,6 +31,25 @@ properties: it must be self resetting edge interrupts. maxItems: 1 + fan-shutdown-percent: + description: + Fan RPM in percent set during shutdown. This is used to keep the fan + running at fixed RPM after the kernel shut down, which is useful on + hardware that does keep heating itself even after the kernel did shut + down, for example from some sort of management core. + minimum: 0 + maximum: 100 + + fan-stop-to-start-percent: + description: + Minimum fan RPM in percent to start when stopped. + minimum: 0 + maximum: 100 + + fan-stop-to-start-us: + description: + Time to wait in microseconds after start when stopped. + pulses-per-revolution: description: Define the number of pulses per fan revolution for each tachometer |