Documentation/devicetree/bindings/input/touchscreen/hynitron,cstxxx.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/hynitron,cstxxx.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Hynitron cstxxx series touchscreen controller
   8
   9 description: |
  10   Bindings for Hynitron cstxxx series multi-touch touchscreen
  11   controllers.
  12
  13 maintainers:
  14   - Chris Morgan <macromorgan@hotmail.com>
  15
  16 allOf:
  17   - $ref: touchscreen.yaml#
  18
  19 properties:
  20   compatible:
  21     enum:
  22       - hynitron,cst340
  23
  24   reg:
  25     maxItems: 1
  26
  27   interrupts:
  28     maxItems: 1
  29
  30   reset-gpios:
  31     maxItems: 1
  32
  33   touchscreen-size-x: true
  34   touchscreen-size-y: true
  35   touchscreen-inverted-x: true
  36   touchscreen-inverted-y: true
  37   touchscreen-swapped-x-y: true
  38
  39 additionalProperties: false
  40
  41 required:
  42   - compatible
  43   - reg
  44   - interrupts
  45   - reset-gpios
  46
  47 examples:
  48   - |
  49     #include <dt-bindings/gpio/gpio.h>
  50     #include <dt-bindings/interrupt-controller/arm-gic.h>
  51     i2c {
  52       #address-cells = <1>;
  53       #size-cells = <0>;
  54       touchscreen@1a {
  55         compatible = "hynitron,cst340";
  56         reg = <0x1a>;
  57         interrupt-parent = <&gpio4>;
  58         interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
  59         reset-gpios = <&gpio4 6 GPIO_ACTIVE_LOW>;
  60         touchscreen-size-x = <640>;
  61         touchscreen-size-y = <480>;
  62       };
  63     };
  64
  65 ...