This adds an optional regulator support (e.g. switchable supply) to the
pwm fan binding.
Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
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 c6d5332..49ca5d8 100644
--- a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
+++ b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
@@ -6,6 +6,9 @@ Required properties:
- cooling-levels : PWM duty cycle values in a range from 0 to 255
which correspond to thermal cooling states
+Optional properties:
+- fan-supply : phandle to the regulator that provides power to the fan
+
Example:
fan0: pwm-fan {
compatible = "pwm-fan";
--
2.7.4
