xref: /linux/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml (revision 69bfec7548f4c1595bac0e3ddfc0458a5af31f4c) 
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  touchscreen-size-x: true
97  touchscreen-size-y: true
98  touchscreen-fuzz-x: true
99  touchscreen-fuzz-y: true
100  touchscreen-inverted-x: true
101  touchscreen-inverted-y: true
102  touchscreen-swapped-x-y: true
103  interrupt-controller: true
104
105additionalProperties: false
106
107required:
108  - compatible
109  - reg
110  - interrupts
111
112examples:
113  - |
114    #include <dt-bindings/gpio/gpio.h>
115    #include <dt-bindings/interrupt-controller/arm-gic.h>
116    i2c {
117      #address-cells = <1>;
118      #size-cells = <0>;
119      edt-ft5x06@38 {
120        compatible = "edt,edt-ft5406";
121        reg = <0x38>;
122        interrupt-parent = <&gpio2>;
123        interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
124        reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
125        wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
126      };
127    };
128
129...
130