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

   1 Device tree bindings for Goodix GT9xx series touchscreen controller
   2
   3 Required properties:
   4
   5  - compatible           : Should be "goodix,gt1151"
   6                                  or "goodix,gt5663"
   7                                  or "goodix,gt5688"
   8                                  or "goodix,gt911"
   9                                  or "goodix,gt9110"
  10                                  or "goodix,gt912"
  11                                  or "goodix,gt927"
  12                                  or "goodix,gt9271"
  13                                  or "goodix,gt928"
  14                                  or "goodix,gt967"
  15  - reg                  : I2C address of the chip. Should be 0x5d or 0x14
  16  - interrupts           : Interrupt to which the chip is connected
  17
  18 Optional properties:
  19
  20  - irq-gpios            : GPIO pin used for IRQ. The driver uses the
  21                           interrupt gpio pin as output to reset the device.
  22  - reset-gpios          : GPIO pin used for reset
  23  - AVDD28-supply        : Analog power supply regulator on AVDD28 pin
  24  - VDDIO-supply         : GPIO power supply regulator on VDDIO pin
  25  - touchscreen-inverted-x
  26  - touchscreen-inverted-y
  27  - touchscreen-size-x
  28  - touchscreen-size-y
  29  - touchscreen-swapped-x-y
  30
  31 The touchscreen-* properties are documented in touchscreen.txt in this
  32 directory.
  33
  34 Example:
  35
  36         i2c@00000000 {
  37                 /* ... */
  38
  39                 gt928@5d {
  40                         compatible = "goodix,gt928";
  41                         reg = <0x5d>;
  42                         interrupt-parent = <&gpio>;
  43                         interrupts = <0 0>;
  44
  45                         irq-gpios = <&gpio1 0 0>;
  46                         reset-gpios = <&gpio1 1 0>;
  47                 };
  48
  49                 /* ... */
  50         };