doc: bindings: mfd: act8945a: Update the example

Since the act8945a-charger is regarded as a sub-device and it using
"interrupts" property, update the examples section.
Signed-off-by: NWenyou Yang <wenyou.yang@atmel.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Documentation/devicetree/bindings/mfd/act8945a.txt

@@ -14,13 +14,6 @@ Example:
 		reg = <0x5b>;
 		status = "okay";
 
-		pinctrl-names = "default";
-		pinctrl-0 = <&pinctrl_charger_chglev>;
-		active-semi,chglev-gpio = <&pioA 12 GPIO_ACTIVE_HIGH>;
-		active-semi,input-voltage-threshold-microvolt = <6600>;
-		active-semi,precondition-timeout = <40>;
-		active-semi,total-timeout = <3>;
-
 		active-semi,vsel-high;
 
 		regulators {
@@ -73,4 +66,19 @@ Example:
 				regulator-always-on;
 			};
 		};
+
+		charger {
+			compatible = "active-semi,act8945a-charger";
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_charger_chglev &pinctrl_charger_lbo &pinctrl_charger_irq>;
+			interrupt-parent = <&pioA>;
+			interrupts = <45 GPIO_ACTIVE_LOW>;
+
+			active-semi,chglev-gpios = <&pioA 12 GPIO_ACTIVE_HIGH>;
+			active-semi,lbo-gpios = <&pioA 72 GPIO_ACTIVE_LOW>;
+			active-semi,input-voltage-threshold-microvolt = <6600>;
+			active-semi,precondition-timeout = <40>;
+			active-semi,total-timeout = <3>;
+			status = "okay";
+		};
 	};