1* Freescale MPR121 Controllor
2
3Required Properties:
4- compatible:		Should be "fsl,mpr121-touchkey"
5- reg:			The I2C slave address of the device.
6- interrupts:		The interrupt number to the cpu.
7- vdd-supply:		Phandle to the Vdd power supply.
8- linux,keycodes:	Specifies an array of numeric keycode values to
9			be used for reporting button presses. The array can
10			contain up to 12 entries.
11
12Optional Properties:
13- wakeup-source:	Use any event on keypad as wakeup event.
14- autorepeat:		Enable autorepeat feature.
15
16Example:
17
18#include "dt-bindings/input/input.h"
19
20	touchkey: mpr121@5a {
21		compatible = "fsl,mpr121-touchkey";
22		reg = <0x5a>;
23		interrupt-parent = <&gpio1>;
24		interrupts = <28 2>;
25		autorepeat;
26		vdd-supply = <&ldo4_reg>;
27		linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>,
28				<KEY_4> <KEY_5>, <KEY_6>, <KEY_7>,
29				<KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>;
30	};
31