This adds the tachometer interrupt to the pwm-fan binding, which is
necessary for RPM support.
Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
---
Documentation/devicetree/bindings/hwmon/pwm-fan.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
index 49ca5d8..7f69b0b 100644
--- a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
+++ b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
@@ -8,6 +8,9 @@ Required properties:
Optional properties:
- fan-supply : phandle to the regulator that provides power to the fan
+- interrupts : contains a single interrupt specifier which describes the
+ tachometer pin output of a 2 pulse-per-revolution fan.
+ See interrupt-controller/interrupts.txt for the format.
Example:
fan0: pwm-fan {
--
2.7.4
