Documentation/devicetree/bindings/input/mpr121-touchkey.txt

   1 * Freescale MPR121 Controllor
   2
   3 Required 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
  12 Optional Properties:
  13 - wakeup-source:        Use any event on keypad as wakeup event.
  14 - autorepeat:           Enable autorepeat feature.
  15
  16 Example:
  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         };