Documentation/devicetree/bindings/input/touchscreen/imagis,ist3038c.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/imagis,ist3038c.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Imagis IST30XXC family touchscreen controller
   8
   9 maintainers:
  10   - Markuss Broks <markuss.broks@gmail.com>
  11
  12 properties:
  13   $nodename:
  14     pattern: "^touchscreen@[0-9a-f]+$"
  15
  16   compatible:
  17     enum:
  18       - imagis,ist3032c
  19       - imagis,ist3038
  20       - imagis,ist3038b
  21       - imagis,ist3038c
  22
  23   reg:
  24     maxItems: 1
  25
  26   interrupts:
  27     maxItems: 1
  28
  29   vdd-supply:
  30     description: Power supply regulator for the chip
  31
  32   vddio-supply:
  33     description: Power supply regulator for the I2C bus
  34
  35   linux,keycodes:
  36     description: Keycodes for the touch keys
  37     maxItems: 5
  38
  39   touchscreen-size-x: true
  40   touchscreen-size-y: true
  41   touchscreen-fuzz-x: true
  42   touchscreen-fuzz-y: true
  43   touchscreen-inverted-x: true
  44   touchscreen-inverted-y: true
  45   touchscreen-swapped-x-y: true
  46
  47 additionalProperties: false
  48
  49 allOf:
  50   - $ref: touchscreen.yaml#
  51   - if:
  52       not:
  53         properties:
  54           compatible:
  55             contains:
  56               const: imagis,ist3032c
  57     then:
  58       properties:
  59         linux,keycodes: false
  60
  61 required:
  62   - compatible
  63   - reg
  64   - interrupts
  65   - touchscreen-size-x
  66   - touchscreen-size-y
  67
  68 examples:
  69   - |
  70     #include <dt-bindings/interrupt-controller/irq.h>
  71     i2c {
  72       #address-cells = <1>;
  73       #size-cells = <0>;
  74       touchscreen@50 {
  75         compatible = "imagis,ist3038c";
  76         reg = <0x50>;
  77         interrupt-parent = <&gpio>;
  78         interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
  79         vdd-supply = <&ldo1_reg>;
  80         vddio-supply = <&ldo2_reg>;
  81         touchscreen-size-x = <720>;
  82         touchscreen-size-y = <1280>;
  83         touchscreen-fuzz-x = <10>;
  84         touchscreen-fuzz-y = <10>;
  85         touchscreen-inverted-x;
  86         touchscreen-inverted-y;
  87       };
  88     };
  89
  90 ...