| * Freescale MPR121 Controllor | |
| Required Properties: | |
| - compatible: Should be "fsl,mpr121-touchkey" | |
| - reg: The I2C slave address of the device. | |
| - interrupts: The interrupt number to the cpu. | |
| - vdd-supply: Phandle to the Vdd power supply. | |
| - linux,keycodes: Specifies an array of numeric keycode values to | |
| be used for reporting button presses. The array can | |
| contain up to 12 entries. | |
| Optional Properties: | |
| - wakeup-source: Use any event on keypad as wakeup event. | |
| - autorepeat: Enable autorepeat feature. | |
| Example: | |
| #include "dt-bindings/input/input.h" | |
| touchkey: mpr121@5a { | |
| compatible = "fsl,mpr121-touchkey"; | |
| reg = <0x5a>; | |
| interrupt-parent = <&gpio1>; | |
| interrupts = <28 2>; | |
| autorepeat; | |
| vdd-supply = <&ldo4_reg>; | |
| linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>, | |
| <KEY_4> <KEY_5>, <KEY_6>, <KEY_7>, | |
| <KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>; | |
| }; |