Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt

   1 * GSL 1680 touchscreen controller
   2
   3 Required properties:
   4 - compatible              : "silead,gsl1680"
   5 - reg                     : I2C slave address of the chip (0x40)
   6 - interrupt-parent        : a phandle pointing to the interrupt controller
   7                             serving the interrupt for this chip
   8 - interrupts              : interrupt specification for the gsl1680 interrupt
   9 - power-gpios             : Specification for the pin connected to the gsl1680's
  10                             shutdown input. This needs to be driven high to take the
  11                             gsl1680 out of its low power state
  12 - touchscreen-size-x      : See touchscreen.txt
  13 - touchscreen-size-y      : See touchscreen.txt
  14
  15 Optional properties:
  16 - firmware-name           : File basename (string) for board specific firmware
  17 - touchscreen-inverted-x  : See touchscreen.txt
  18 - touchscreen-inverted-y  : See touchscreen.txt
  19 - touchscreen-swapped-x-y : See touchscreen.txt
  20 - silead,max-fingers      : maximum number of fingers the touchscreen can detect
  21
  22 Example:
  23
  24 i2c@00000000 {
  25         gsl1680: touchscreen@40 {
  26                 compatible = "silead,gsl1680";
  27                 reg = <0x40>;
  28                 interrupt-parent = <&pio>;
  29                 interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>;
  30                 power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>;
  31                 touchscreen-size-x = <480>;
  32                 touchscreen-size-y = <800>;
  33                 touchscreen-inverted-x;
  34                 touchscreen-swapped-x-y;
  35                 silead,max-fingers = <5>;
  36         };
  37 };