Documentation/devicetree/bindings/input/touchscreen/elan,elants_i2c.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: "http://devicetree.org/schemas/input/touchscreen/elan,elants_i2c.yaml#"
   5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   6
   7 title: Elantech I2C Touchscreen
   8
   9 maintainers:
  10   - David Heidelberg <david@ixit.cz>
  11
  12 allOf:
  13   - $ref: touchscreen.yaml#
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - elan,ektf3624
  19       - elan,ekth3500
  20
  21   reg:
  22     maxItems: 1
  23
  24   interrupts:
  25     maxItems: 1
  26
  27   wakeup-source:
  28     type: boolean
  29     description: touchscreen can be used as a wakeup source.
  30
  31   reset-gpios:
  32     maxItems: 1
  33     description: reset gpio the chip is connected to.
  34
  35   vcc33-supply:
  36     description: a phandle for the regulator supplying 3.3V power.
  37
  38   vccio-supply:
  39     description: a phandle for the regulator supplying IO power.
  40
  41   touchscreen-inverted-x: true
  42   touchscreen-inverted-y: true
  43   touchscreen-size-x: true
  44   touchscreen-size-y: true
  45   touchscreen-swapped-x-y: true
  46
  47 additionalProperties: false
  48
  49 required:
  50   - compatible
  51   - reg
  52   - interrupts
  53
  54 examples:
  55   - |
  56     #include <dt-bindings/interrupt-controller/irq.h>
  57
  58     i2c {
  59         #address-cells = <1>;
  60         #size-cells = <0>;
  61
  62         touchscreen@10 {
  63             compatible = "elan,ekth3500";
  64             reg = <0x10>;
  65
  66             interrupt-parent = <&gpio4>;
  67             interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>;
  68             wakeup-source;
  69         };
  70     };