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

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/input/touchscreen/goodix.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Goodix GT9xx series touchscreen controller Bindings
   8
   9 maintainers:
  10   - Dmitry Torokhov <dmitry.torokhov@gmail.com>
  11
  12 allOf:
  13   - $ref: touchscreen.yaml#
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - goodix,gt1151
  19       - goodix,gt1158
  20       - goodix,gt5663
  21       - goodix,gt5688
  22       - goodix,gt911
  23       - goodix,gt9110
  24       - goodix,gt912
  25       - goodix,gt9147
  26       - goodix,gt917s
  27       - goodix,gt927
  28       - goodix,gt9271
  29       - goodix,gt928
  30       - goodix,gt9286
  31       - goodix,gt967
  32
  33   reg:
  34     enum: [ 0x5d, 0x14 ]
  35
  36   interrupts:
  37     maxItems: 1
  38
  39   irq-gpios:
  40     description: GPIO pin used for IRQ. The driver uses the interrupt gpio pin
  41       as output to reset the device.
  42     maxItems: 1
  43
  44   reset-gpios:
  45     maxItems: 1
  46
  47   AVDD28-supply:
  48     description: Analog power supply regulator on AVDD28 pin
  49
  50   VDDIO-supply:
  51     description: GPIO power supply regulator on VDDIO pin
  52
  53   touchscreen-inverted-x: true
  54   touchscreen-inverted-y: true
  55   touchscreen-size-x: true
  56   touchscreen-size-y: true
  57   touchscreen-swapped-x-y: true
  58
  59 additionalProperties: false
  60
  61 required:
  62   - compatible
  63   - reg
  64   - interrupts
  65
  66 examples:
  67   - |
  68     i2c {
  69       #address-cells = <1>;
  70       #size-cells = <0>;
  71       gt928@5d {
  72         compatible = "goodix,gt928";
  73         reg = <0x5d>;
  74         interrupt-parent = <&gpio>;
  75         interrupts = <0 0>;
  76         irq-gpios = <&gpio1 0 0>;
  77         reset-gpios = <&gpio1 1 0>;
  78       };
  79     };
  80
  81 ...