Documentation/devicetree/bindings/input/elan_i2c.txt

   1 Elantech I2C Touchpad
   2
   3 Required properties:
   4 - compatible: must be "elan,ekth3000".
   5 - reg: I2C address of the chip.
   6 - interrupt-parent: a phandle for the interrupt controller (see interrupt
   7   binding[0]).
   8 - interrupts: interrupt to which the chip is connected (see interrupt
   9   binding[0]).
  10
  11 Optional properties:
  12 - wakeup-source: touchpad can be used as a wakeup source.
  13 - pinctrl-names: should be "default" (see pinctrl binding [1]).
  14 - pinctrl-0: a phandle pointing to the pin settings for the device (see
  15   pinctrl binding [1]).
  16 - vcc-supply: a phandle for the regulator supplying 3.3V power.
  17 - elan,trackpoint: touchpad can support a trackpoint (boolean)
  18
  19 [0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
  20 [1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
  21
  22 Example:
  23         &i2c1 {
  24                 /* ... */
  25
  26                 touchpad@15 {
  27                         compatible = "elan,ekth3000";
  28                         reg = <0x15>;
  29                         interrupt-parent = <&gpio4>;
  30                         interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>;
  31                         wakeup-source;
  32                 };
  33
  34                 /* ... */
  35         };