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
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 ...
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