xref: /linux/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml (revision 55ec81f7517fad09135f65552cea0a3ee84fff30) 
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
7title: FocalTech EDT-FT5x06 Polytouch
8
9description: |
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
17maintainers:
18  - Dmitry Torokhov <dmitry.torokhov@gmail.com>
19
20allOf:
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
34properties:
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    maxItems: 1
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: true
59  iovcc-supply: true
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    $ref: /schemas/types.yaml#/definitions/uint32
65    minimum: 0
66    maximum: 31
67
68  offset:
69    description: Allows setting the edge compensation in the range from 0 to 31.
70    $ref: /schemas/types.yaml#/definitions/uint32
71    minimum: 0
72    maximum: 31
73
74  offset-x:
75    description: Same as offset, but applies only to the horizontal position.
76                 Range from 0 to 80, only supported by evervision,ev-ft5726 devices.
77    $ref: /schemas/types.yaml#/definitions/uint32
78    minimum: 0
79    maximum: 80
80
81  offset-y:
82    description: Same as offset, but applies only to the vertical position.
83                 Range from 0 to 80, only supported by evervision,ev-ft5726 devices.
84    $ref: /schemas/types.yaml#/definitions/uint32
85    minimum: 0
86    maximum: 80
87
88  report-rate-hz:
89    description: |
90                 Allows setting the scan rate in Hertz.
91                  M06 supports range from 30 to 140 Hz.
92                  M12 supports range from 1 to 255 Hz.
93    minimum: 1
94    maximum: 255
95
96  threshold:
97    description: Allows setting the  "click"-threshold in the range from 0 to 255.
98    $ref: /schemas/types.yaml#/definitions/uint32
99    minimum: 0
100    maximum: 255
101
102  touchscreen-size-x: true
103  touchscreen-size-y: true
104  touchscreen-fuzz-x: true
105  touchscreen-fuzz-y: true
106  touchscreen-inverted-x: true
107  touchscreen-inverted-y: true
108  touchscreen-swapped-x-y: true
109  interrupt-controller: true
110
111additionalProperties: false
112
113required:
114  - compatible
115  - reg
116  - interrupts
117
118examples:
119  - |
120    #include <dt-bindings/gpio/gpio.h>
121    #include <dt-bindings/interrupt-controller/arm-gic.h>
122    i2c {
123      #address-cells = <1>;
124      #size-cells = <0>;
125      edt-ft5x06@38 {
126        compatible = "edt,edt-ft5406";
127        reg = <0x38>;
128        interrupt-parent = <&gpio2>;
129        interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
130        reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
131        wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
132      };
133    };
134
135...
136