[PATCH 3/4] 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>
---
 Documentation/devicetree/bindings/mfd/as3722.txt |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/as3722.txt b/Documentation/devicetree/bindings/mfd/as3722.txt
index e782f39..1a2fa8a 100644
--- a/Documentation/devicetree/bindings/mfd/as3722.txt
+++ b/Documentation/devicetree/bindings/mfd/as3722.txt
@@ -121,6 +121,15 @@ The device node should have the optional properties to support the clock:
 #clock-cells: from common clock binding; shall be set to 1. The clock id for
 	single clock output is 0.
 
+Power-off:
+=========
+
+AS3722 supports the system power off by turning off all its rail. The power off
+is provided through pm power off.
+The device node should have the following properties to enable power-off
+functionality from ams AS3722:
+ams,system-power-controller: To enable the power off functionality through
+	device.
 Example:
 --------
 #include <dt-bindings/mfd/as3722.h>
-- 
1.7.1.1

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