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,gt5663
  20       - goodix,gt5688
  21       - goodix,gt911
  22       - goodix,gt9110
  23       - goodix,gt912
  24       - goodix,gt9147
  25       - goodix,gt917s
  26       - goodix,gt927
  27       - goodix,gt9271
  28       - goodix,gt928
  29       - goodix,gt967
  30
  31   reg:
  32     enum: [ 0x5d, 0x14 ]
  33
  34   interrupts:
  35     maxItems: 1
  36
  37   irq-gpios:
  38     description: GPIO pin used for IRQ. The driver uses the interrupt gpio pin
  39       as output to reset the device.
  40     maxItems: 1
  41
  42   reset-gpios:
  43     maxItems: 1
  44
  45   AVDD28-supply:
  46     description: Analog power supply regulator on AVDD28 pin
  47
  48   VDDIO-supply:
  49     description: GPIO power supply regulator on VDDIO pin
  50
  51   touchscreen-inverted-x: true
  52   touchscreen-inverted-y: true
  53   touchscreen-size-x: true
  54   touchscreen-size-y: true
  55   touchscreen-swapped-x-y: true
  56
  57 additionalProperties: false
  58
  59 required:
  60   - compatible
  61   - reg
  62   - interrupts
  63
  64 examples:
  65   - |
  66     i2c {
  67       #address-cells = <1>;
  68       #size-cells = <0>;
  69       gt928@5d {
  70         compatible = "goodix,gt928";
  71         reg = <0x5d>;
  72         interrupt-parent = <&gpio>;
  73         interrupts = <0 0>;
  74         irq-gpios = <&gpio1 0 0>;
  75         reset-gpios = <&gpio1 1 0>;
  76       };
  77     };
  78
  79 ...