Documentation/devicetree/bindings/input/elants_i2c.txt

   1 Elantech I2C Touchscreen
   2
   3 Required properties:
   4 - compatible: must be "elan,ekth3500".
   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: touchscreen 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 - reset-gpios: reset gpio the chip is connected to.
  17 - vcc33-supply: a phandle for the regulator supplying 3.3V power.
  18 - vccio-supply: a phandle for the regulator supplying IO power.
  19
  20 [0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
  21 [1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
  22
  23 Example:
  24         &i2c1 {
  25                 /* ... */
  26
  27                 touchscreen@10 {
  28                         compatible = "elan,ekth3500";
  29                         reg = <0x10>;
  30                         interrupt-parent = <&gpio4>;
  31                         interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>;
  32                         wakeup-source;
  33                 };
  34
  35                 /* ... */
  36         };