[PATCH V2 1/2] mfd: AS3722: add dt node properties for system power controller

[Laxman Dewangan]

ams AS3722 device supports the power off by turning off its all rails.

Add dt node properties to enable this functionality on this device.

Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
Tested-by: Stephen Warren <swarren@xxxxxxxxxx>
---
Changes form V1:
- Rephrase sentence and mention that propery is boolean type.
- Added Tested by.

 Documentation/devicetree/bindings/mfd/as3722.txt |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/as3722.txt b/Documentation/devicetree/bindings/mfd/as3722.txt
index fc2191e..8edcb9b 100644
--- a/Documentation/devicetree/bindings/mfd/as3722.txt
+++ b/Documentation/devicetree/bindings/mfd/as3722.txt
@@ -112,6 +112,15 @@ Following are properties of regulator subnode.
 		ams,enable-tracking: Enable tracking with SD1, only supported
 			by LDO3.
 
+Power-off:
+=========
+AS3722 supports the system power off by turning off all its rail. This
+is provided through pm_power_off.
+The device node should have the following properties to enable this
+functionality
+ams,system-power-controller: Boolean, to enable the power off functionality
+        through this device.
+
 Example:
 --------
 #include <dt-bindings/mfd/as3722.h>
@@ -120,6 +129,8 @@ ams3722 {
 	compatible = "ams,as3722";
 	reg = <0x48>;
 
+	ams,system-power-controller;
+
 	interrupt-parent = <&intc>;
 	interrupt-controller;
 	#interrupt-cells = <2>;
-- 
1.7.9.5

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