diff -ruN old/arch/arm/boot/dts/sun7i-a20-bananapi.dts new/arch/arm/boot/dts/sun7i-a20-bananapi.dts
--- old/arch/arm/boot/dts/sun7i-a20-bananapi.dts	2014-09-21 19:34:10.000000000 +0200
+++ new/arch/arm/boot/dts/sun7i-a20-bananapi.dts	2014-09-21 19:37:36.823824016 +0200
@@ -131,6 +131,14 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&i2c0_pins_a>;
 			status = "okay";
+
+			axp: axp20x@34 {
+				reg = <0x34>;
+				interrupt-parent = <&nmi_intc>;
+				interrupts = <0 8>;
+				axp,system-power-controller;
+				/include/ "x-powers-axp209.dtsi"
+			};
 		};
 
 		i2c1: i2c@01c2b000 {