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,ist3038b
  20       - imagis,ist3038c
  21
  22   reg:
  23     maxItems: 1
  24
  25   interrupts:
  26     maxItems: 1
  27
  28   vdd-supply:
  29     description: Power supply regulator for the chip
  30
  31   vddio-supply:
  32     description: Power supply regulator for the I2C bus
  33
  34   linux,keycodes:
  35     description: Keycodes for the touch keys
  36     maxItems: 5
  37
  38   touchscreen-size-x: true
  39   touchscreen-size-y: true
  40   touchscreen-fuzz-x: true
  41   touchscreen-fuzz-y: true
  42   touchscreen-inverted-x: true
  43   touchscreen-inverted-y: true
  44   touchscreen-swapped-x-y: true
  45
  46 additionalProperties: false
  47
  48 allOf:
  49   - $ref: touchscreen.yaml#
  50   - if:
  51       not:
  52         properties:
  53           compatible:
  54             contains:
  55               const: imagis,ist3032c
  56     then:
  57       properties:
  58         linux,keycodes: false
  59
  60 required:
  61   - compatible
  62   - reg
  63   - interrupts
  64   - touchscreen-size-x
  65   - touchscreen-size-y
  66
  67 examples:
  68   - |
  69     #include <dt-bindings/interrupt-controller/irq.h>
  70     i2c {
  71       #address-cells = <1>;
  72       #size-cells = <0>;
  73       touchscreen@50 {
  74         compatible = "imagis,ist3038c";
  75         reg = <0x50>;
  76         interrupt-parent = <&gpio>;
  77         interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
  78         vdd-supply = <&ldo1_reg>;
  79         vddio-supply = <&ldo2_reg>;
  80         touchscreen-size-x = <720>;
  81         touchscreen-size-y = <1280>;
  82         touchscreen-fuzz-x = <10>;
  83         touchscreen-fuzz-y = <10>;
  84         touchscreen-inverted-x;
  85         touchscreen-inverted-y;
  86       };
  87     };
  88
  89 ...