xref: /linux/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml (revision a3a02a52bcfcbcc4a637d4b68bf1bc391c9fad02)
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,ft5426
43      - focaltech,ft5452
44      - focaltech,ft6236
45      - focaltech,ft8719
46
47  reg:
48    maxItems: 1
49
50  interrupts:
51    maxItems: 1
52
53  reset-gpios:
54    maxItems: 1
55
56  wake-gpios:
57    maxItems: 1
58
59  wakeup-source: true
60
61  vcc-supply: true
62  iovcc-supply: true
63
64  gain:
65    description: Allows setting the sensitivity in the range from 0 to 31.
66                 Note that lower values indicate higher sensitivity.
67    $ref: /schemas/types.yaml#/definitions/uint32
68    minimum: 0
69    maximum: 31
70
71  offset:
72    description: Allows setting the edge compensation in the range from 0 to 31.
73    $ref: /schemas/types.yaml#/definitions/uint32
74    minimum: 0
75    maximum: 31
76
77  offset-x:
78    description: Same as offset, but applies only to the horizontal position.
79                 Range from 0 to 80, only supported by evervision,ev-ft5726 devices.
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    $ref: /schemas/types.yaml#/definitions/uint32
88    minimum: 0
89    maximum: 80
90
91  report-rate-hz:
92    description: |
93                 Allows setting the scan rate in Hertz.
94                  M06 supports range from 30 to 140 Hz.
95                  M12 supports range from 1 to 255 Hz.
96    minimum: 1
97    maximum: 255
98
99  threshold:
100    description: Allows setting the  "click"-threshold in the range from 0 to 255.
101    $ref: /schemas/types.yaml#/definitions/uint32
102    minimum: 0
103    maximum: 255
104
105  touchscreen-size-x: true
106  touchscreen-size-y: true
107  touchscreen-fuzz-x: true
108  touchscreen-fuzz-y: true
109  touchscreen-inverted-x: true
110  touchscreen-inverted-y: true
111  touchscreen-swapped-x-y: true
112  interrupt-controller: true
113
114additionalProperties: false
115
116required:
117  - compatible
118  - reg
119  - interrupts
120
121examples:
122  - |
123    #include <dt-bindings/gpio/gpio.h>
124    #include <dt-bindings/interrupt-controller/arm-gic.h>
125    i2c {
126      #address-cells = <1>;
127      #size-cells = <0>;
128      edt-ft5x06@38 {
129        compatible = "edt,edt-ft5406";
130        reg = <0x38>;
131        interrupt-parent = <&gpio2>;
132        interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
133        reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
134        wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
135      };
136    };
137
138...
139