Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.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/hycon,hy46xx.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Hycon HY46XX series touchscreen controller bindings
   8
   9 description: |
  10   There are 6 variants of the chip for various touch panel sizes and cover lens material
  11    Glass: 0.3mm--4.0mm
  12     PET/PMMA: 0.2mm--2.0mm
  13     HY4613(B)-N048  < 6"
  14     HY4614(B)-N068  7" .. 10.1"
  15     HY4621-NS32  < 5"
  16     HY4623-NS48  5.1" .. 7"
  17    Glass: 0.3mm--8.0mm
  18     PET/PMMA: 0.2mm--4.0mm
  19     HY4633(B)-N048  < 6"
  20     HY4635(B)-N048  < 7" .. 10.1"
  21
  22 maintainers:
  23   - Giulio Benetti <giulio.benetti@benettiengineering.com>
  24
  25 allOf:
  26   - $ref: touchscreen.yaml#
  27
  28 properties:
  29   compatible:
  30     enum:
  31       - hycon,hy4613
  32       - hycon,hy4614
  33       - hycon,hy4621
  34       - hycon,hy4623
  35       - hycon,hy4633
  36       - hycon,hy4635
  37
  38   reg:
  39     maxItems: 1
  40
  41   interrupts:
  42     maxItems: 1
  43
  44   reset-gpios:
  45     maxItems: 1
  46
  47   vcc-supply: true
  48
  49   hycon,threshold:
  50     description: Allows setting the sensitivity in the range from 0 to 255.
  51     $ref: /schemas/types.yaml#/definitions/uint32
  52     minimum: 0
  53     maximum: 255
  54
  55   hycon,glove-enable:
  56     type: boolean
  57     description: Allows enabling glove setting.
  58
  59   hycon,report-speed-hz:
  60     description: Allows setting the report speed in Hertz.
  61     minimum: 1
  62     maximum: 255
  63
  64   hycon,noise-filter-enable:
  65     type: boolean
  66     description: Allows enabling power noise filter.
  67
  68   hycon,filter-data:
  69     description: Allows setting how many samples throw before reporting touch
  70                  in the range from 0 to 5.
  71     $ref: /schemas/types.yaml#/definitions/uint32
  72     minimum: 0
  73     maximum: 5
  74
  75   hycon,gain:
  76     description: Allows setting the sensitivity distance in the range from 0 to 5.
  77     $ref: /schemas/types.yaml#/definitions/uint32
  78     minimum: 0
  79     maximum: 5
  80
  81   hycon,edge-offset:
  82     description: Allows setting the edge compensation in the range from 0 to 16.
  83     $ref: /schemas/types.yaml#/definitions/uint32
  84     minimum: 0
  85     maximum: 16
  86
  87   touchscreen-size-x: true
  88   touchscreen-size-y: true
  89   touchscreen-fuzz-x: true
  90   touchscreen-fuzz-y: true
  91   touchscreen-inverted-x: true
  92   touchscreen-inverted-y: true
  93   touchscreen-swapped-x-y: true
  94   interrupt-controller: true
  95
  96 additionalProperties: false
  97
  98 required:
  99   - compatible
 100   - reg
 101   - interrupts
 102
 103 examples:
 104   - |
 105     #include <dt-bindings/gpio/gpio.h>
 106     #include <dt-bindings/interrupt-controller/arm-gic.h>
 107     i2c {
 108       #address-cells = <1>;
 109       #size-cells = <0>;
 110       touchscreen@1c {
 111         compatible = "hycon,hy4633";
 112         reg = <0x1c>;
 113         interrupt-parent = <&gpio2>;
 114         interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
 115         reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
 116       };
 117     };
 118
 119 ...