Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/input/touchscreen/edt-ft5x06.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: FocalTech EDT-FT5x06 Polytouch Bindings
   8
   9 description: |
  10              There are 5 variants of the chip for various touch panel sizes
  11               FT5206GE1  2.8" .. 3.8"
  12               FT5306DE4  4.3" .. 7"
  13               FT5406EE8  7"   .. 8.9"
  14               FT5506EEG  7"   .. 8.9"
  15               FT5726NEI  5.7” .. 11.6"
  16
  17 maintainers:
  18   - Dmitry Torokhov <dmitry.torokhov@gmail.com>
  19
  20 allOf:
  21   - $ref: touchscreen.yaml#
  22   - if:
  23      properties:
  24        compatible:
  25          contains:
  26            enum:
  27              - evervision,ev-ft5726
  28
  29     then:
  30       properties:
  31         offset-x: true
  32         offset-y: true
  33
  34 properties:
  35   compatible:
  36     enum:
  37       - edt,edt-ft5206
  38       - edt,edt-ft5306
  39       - edt,edt-ft5406
  40       - edt,edt-ft5506
  41       - evervision,ev-ft5726
  42       - focaltech,ft6236
  43
  44   reg:
  45     const: 0x38
  46
  47   interrupts:
  48     maxItems: 1
  49
  50   reset-gpios:
  51     maxItems: 1
  52
  53   wake-gpios:
  54     maxItems: 1
  55
  56   wakeup-source: true
  57
  58   vcc-supply:
  59     maxItems: 1
  60
  61   gain:
  62     description: Allows setting the sensitivity in the range from 0 to 31.
  63                  Note that lower values indicate higher sensitivity.
  64     allOf:
  65       - $ref: /schemas/types.yaml#/definitions/uint32
  66       - minimum: 0
  67       - maximum: 31
  68
  69   offset:
  70     description: Allows setting the edge compensation in the range from 0 to 31.
  71     allOf:
  72       - $ref: /schemas/types.yaml#/definitions/uint32
  73       - minimum: 0
  74       - maximum: 31
  75
  76   offset-x:
  77     description: Same as offset, but applies only to the horizontal position.
  78                  Range from 0 to 80, only supported by evervision,ev-ft5726 devices.
  79     allOf:
  80       - $ref: /schemas/types.yaml#/definitions/uint32
  81       - minimum: 0
  82       - maximum: 80
  83
  84   offset-y:
  85     description: Same as offset, but applies only to the vertical position.
  86                  Range from 0 to 80, only supported by evervision,ev-ft5726 devices.
  87     allOf:
  88       - $ref: /schemas/types.yaml#/definitions/uint32
  89       - minimum: 0
  90       - maximum: 80
  91
  92   touchscreen-size-x: true
  93   touchscreen-size-y: true
  94   touchscreen-fuzz-x: true
  95   touchscreen-fuzz-y: true
  96   touchscreen-inverted-x: true
  97   touchscreen-inverted-y: true
  98   touchscreen-swapped-x-y: true
  99   interrupt-controller: true
 100
 101 additionalProperties: false
 102
 103 required:
 104   - compatible
 105   - reg
 106   - interrupts
 107
 108 examples:
 109   - |
 110     #include <dt-bindings/gpio/gpio.h>
 111     #include <dt-bindings/interrupt-controller/arm-gic.h>
 112     i2c {
 113       #address-cells = <1>;
 114       #size-cells = <0>;
 115       edt-ft5x06@38 {
 116         compatible = "edt,edt-ft5406";
 117         reg = <0x38>;
 118         interrupt-parent = <&gpio2>;
 119         interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
 120         reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
 121         wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
 122       };
 123     };
 124
 125 ...