xref: /linux/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml (revision 429508c84d95811dd1300181dfe84743caff9a38) 
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,ft5452
43      - focaltech,ft6236
44      - focaltech,ft8719
45
46  reg:
47    maxItems: 1
48
49  interrupts:
50    maxItems: 1
51
52  reset-gpios:
53    maxItems: 1
54
55  wake-gpios:
56    maxItems: 1
57
58  wakeup-source: true
59
60  vcc-supply: true
61  iovcc-supply: true
62
63  gain:
64    description: Allows setting the sensitivity in the range from 0 to 31.
65                 Note that lower values indicate higher sensitivity.
66    $ref: /schemas/types.yaml#/definitions/uint32
67    minimum: 0
68    maximum: 31
69
70  offset:
71    description: Allows setting the edge compensation in the range from 0 to 31.
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    $ref: /schemas/types.yaml#/definitions/uint32
80    minimum: 0
81    maximum: 80
82
83  offset-y:
84    description: Same as offset, but applies only to the vertical position.
85                 Range from 0 to 80, only supported by evervision,ev-ft5726 devices.
86    $ref: /schemas/types.yaml#/definitions/uint32
87    minimum: 0
88    maximum: 80
89
90  report-rate-hz:
91    description: |
92                 Allows setting the scan rate in Hertz.
93                  M06 supports range from 30 to 140 Hz.
94                  M12 supports range from 1 to 255 Hz.
95    minimum: 1
96    maximum: 255
97
98  threshold:
99    description: Allows setting the  "click"-threshold in the range from 0 to 255.
100    $ref: /schemas/types.yaml#/definitions/uint32
101    minimum: 0
102    maximum: 255
103
104  touchscreen-size-x: true
105  touchscreen-size-y: true
106  touchscreen-fuzz-x: true
107  touchscreen-fuzz-y: true
108  touchscreen-inverted-x: true
109  touchscreen-inverted-y: true
110  touchscreen-swapped-x-y: true
111  interrupt-controller: true
112
113additionalProperties: false
114
115required:
116  - compatible
117  - reg
118  - interrupts
119
120examples:
121  - |
122    #include <dt-bindings/gpio/gpio.h>
123    #include <dt-bindings/interrupt-controller/arm-gic.h>
124    i2c {
125      #address-cells = <1>;
126      #size-cells = <0>;
127      edt-ft5x06@38 {
128        compatible = "edt,edt-ft5406";
129        reg = <0x38>;
130        interrupt-parent = <&gpio2>;
131        interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
132        reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
133        wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
134      };
135    };
136
137...
138