[PATCH 2/2] dt-bindings: hwmon: (pwm-fan) add retain-state-shutdown property

[Akinobu Mita <akinobu.mita@gmail.com>]

Document new retain-state-shutdown property.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Billy Tsai <billy_tsai@aspeedtech.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
 Documentation/devicetree/bindings/hwmon/pwm-fan.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
index 4509e688623a..c1b2c3ff7ba8 100644
--- a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
+++ b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
@@ -19,6 +19,8 @@ Optional properties:
 			  interrupts per revolution). The value must be
 			  greater than zero.
 
+- retain-state-shutdown: Retain the state of the PWM on shutdown.
+
 Example:
 	fan0: pwm-fan {
 		compatible = "pwm-fan";
-- 
2.25.1