regulator: max8973: add mechanism to enable/disable through GPIO

[firefly-linux-kernel-4.4.55.git] / Documentation / devicetree / bindings / regulator / max8973-regulator.txt

diff --git a/Documentation/devicetree/bindings/regulator/max8973-regulator.txt b/Documentation/devicetree/bindings/regulator/max8973-regulator.txt
index f63de7d8dc23eb108e390e3aaf90f1bcc3881e02..201a26337387b541a1f262251b1f678cd3da284f 100644 (file)
--- a/Documentation/devicetree/bindings/regulator/max8973-regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/max8973-regulator.txt
@@ -12,6 +12,8 @@ Optional properties:
 
 -maxim,externally-enable: boolean, externally control the regulator output
                enable/disable.
+-maxim,enable-gpio: GPIO for enable control. If the valid GPIO is provided
+               then externally enable control will be considered.
 -maxim,dvs-gpio: GPIO which is connected to DVS pin of device.
 -maxim,dvs-default-state: Default state of GPIO during initialisation.
                1 for HIGH and 0 for LOW.