Documentation/devicetree/bindings/input/cypress,cyapa.txt

   1 Cypress I2C Touchpad
   2
   3 Required properties:
   4 - compatible: must be "cypress,cyapa".
   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
  18 [0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
  19 [1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
  20
  21 Example:
  22         &i2c0 {
  23                 /* ... */
  24
  25                 /* Cypress Gen3 touchpad */
  26                 touchpad@67 {
  27                         compatible = "cypress,cyapa";
  28                         reg = <0x67>;
  29                         interrupt-parent = <&gpio>;
  30                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO 2 */
  31                         wakeup-source;
  32                 };
  33
  34                 /* Cypress Gen5 and later touchpad */
  35                 touchpad@24 {
  36                         compatible = "cypress,cyapa";
  37                         reg = <0x24>;
  38                         interrupt-parent = <&gpio>;
  39                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO 2 */
  40                         wakeup-source;
  41                 };
  42
  43                 /* ... */
  44         };