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diff --git a/Documentation/devicetree/bindings/i2c/ina2xx.txt b/Documentation/devicetree/bindings/i2c/ina2xx.txt
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+ina2xx properties
+
+Required properties:
+- compatible: Must be one of the following:
+        - "ti,ina219" for ina219
+        - "ti,ina220" for ina220
+        - "ti,ina226" for ina226
+        - "ti,ina230" for ina230
+- reg: I2C address
+
+Optional properties:
+
+- shunt-resistor
+        Shunt resistor value in micro-Ohm
+
+Example:
+
+ina220@44 {
+        compatible = "ti,ina220";
+        reg = <0x44>;
+        shunt-resistor = <1000>;
+};