For configure low level state of charge threshold alert signaled from
max17040 we add "maxim,alert-soc-level" property.

Signed-off-by: Matheus Castello <math...@castello.eng.br>
---
 .../power/supply/max17040_battery.txt         | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/power/supply/max17040_battery.txt

diff --git 
a/Documentation/devicetree/bindings/power/supply/max17040_battery.txt 
b/Documentation/devicetree/bindings/power/supply/max17040_battery.txt
new file mode 100644
index 000000000000..9b2cc67d556f
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/max17040_battery.txt
@@ -0,0 +1,24 @@
+max17040_battery
+~~~~~~~~~~~~~~~~
+
+Required properties :
+ - compatible : "maxim,max17040" or "maxim,max77836-battery"
+
+Optional properties :
+- maxim,alert-soc-level :      The alert threshold that sets the state of
+                               charge level where an interrupt is generated.
+                               Can be configured from 1 up to 32. If skipped
+                               the power up default value of 4 will be used.
+- interrupt-parent :           The GPIO bank from the interrupt line.
+- interrupts :                         Interrupt line see 
Documentation/devicetree/
+                               bindings/interrupt-controller/interrupts.txt
+
+Example:
+
+       battery-charger@36 {
+               compatible = "maxim,max17040";
+               reg = <0x36>;
+               maxim,alert-soc-level = <10>;
+               interrupt-parent = <&gpio7>;
+               interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+       };
-- 
2.17.0

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