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-rw-r--r--Documentation/devicetree/bindings/power/twl-charger.txt20
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diff --git a/Documentation/devicetree/bindings/power/twl-charger.txt b/Documentation/devicetree/bindings/power/twl-charger.txt
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+TWL BCI (Battery Charger Interface)
+
+Required properties:
+- compatible:
+ - "ti,twl4030-bci"
+- interrupts: two interrupt lines from the TWL SIH (secondary
+ interrupt handler) - interrupts 9 and 2.
+
+Optional properties:
+- ti,bb-uvolt: microvolts for charging the backup battery.
+- ti,bb-uamp: microamps for charging the backup battery.
+
+Examples:
+
+bci {
+ compatible = "ti,twl4030-bci";
+ interrupts = <9>, <2>;
+ ti,bb-uvolt = <3200000>;
+ ti,bb-uamp = <150>;
+};