Adding documentation for low battery monitor properties:
- maxim,low-battery-dac-enable
- maxim,low-battery-dac-disable
- maxim,low-battery-shutdown-enable
- maxim,low-battery-shutdown-disable
- maxim,low-battery-reset-enable
- maxim,low-battery-reset-disable

Signed-off-by: Mark Zhang <ma...@nvidia.com>
---
 Documentation/devicetree/bindings/mfd/max77620.txt | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/max77620.txt 
b/Documentation/devicetree/bindings/mfd/max77620.txt
index 484b17e4fba5..5fed0a463b80 100644
--- a/Documentation/devicetree/bindings/mfd/max77620.txt
+++ b/Documentation/devicetree/bindings/mfd/max77620.txt
@@ -142,6 +142,20 @@ Optional properties:
                        Device supports 100/1000/3000/6000 Ohms.
                        Default will be set to 1000 Ohm.
 
+Low-Battery Monitor:
+==================
+This sub-node configure low battery monitor configuration registers. Device has
+support for low-battery monitor configuration through child DT node
+"low-battery-monitor".
+
+Optional properties:
+       - maxim,low-battery-dac-enable: Enable low battery DAC.
+       - maxim,low-battery-dac-disable: Disable low battery DAC.
+       - maxim,low-battery-shutdown-enable: Enable low battery shutdown.
+       - maxim,low-battery-shutdown-disable: Disable low battery shutdown.
+       - maxim,low-battery-reset-enable: Enable low battery reset.
+       - maxim,low-battery-reset-disable: Disable low battery reset.
+
 Example:
 --------
 #include <dt-bindings/mfd/max77620.h>
-- 
2.19.2

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