1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/input/touch 4 $id: http://devicetree.org/schemas/input/touchscreen/touchscreen.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Common touchscreen !! 7 title: Common touchscreen Bindings
8 8
9 maintainers: 9 maintainers:
10 - Dmitry Torokhov <dmitry.torokhov@gmail.com> 10 - Dmitry Torokhov <dmitry.torokhov@gmail.com>
11 11
12 properties: 12 properties:
13 panel: <<
14 description: If this touchscreen is integr <<
15 is a reference to that panel. The presen <<
16 that the touchscreen should be power seq <<
17 and that they may share power and/or res <<
18 $ref: /schemas/types.yaml#/definitions/pha <<
19 <<
20 touchscreen-min-x: 13 touchscreen-min-x:
21 description: minimum x coordinate reported 14 description: minimum x coordinate reported
22 $ref: /schemas/types.yaml#/definitions/uin 15 $ref: /schemas/types.yaml#/definitions/uint32
23 default: 0 16 default: 0
24 17
25 touchscreen-min-y: 18 touchscreen-min-y:
26 description: minimum y coordinate reported 19 description: minimum y coordinate reported
27 $ref: /schemas/types.yaml#/definitions/uin 20 $ref: /schemas/types.yaml#/definitions/uint32
28 default: 0 21 default: 0
29 22
30 touchscreen-size-x: 23 touchscreen-size-x:
31 description: horizontal resolution of touc 24 description: horizontal resolution of touchscreen (maximum x coordinate reported + 1)
32 $ref: /schemas/types.yaml#/definitions/uin 25 $ref: /schemas/types.yaml#/definitions/uint32
33 26
34 touchscreen-size-y: 27 touchscreen-size-y:
35 description: vertical resolution of touchs 28 description: vertical resolution of touchscreen (maximum y coordinate reported + 1)
36 $ref: /schemas/types.yaml#/definitions/uin 29 $ref: /schemas/types.yaml#/definitions/uint32
37 30
38 touchscreen-max-pressure: 31 touchscreen-max-pressure:
39 description: maximum reported pressure (ar 32 description: maximum reported pressure (arbitrary range dependent on the controller)
40 $ref: /schemas/types.yaml#/definitions/uin 33 $ref: /schemas/types.yaml#/definitions/uint32
41 34
42 touchscreen-min-pressure: 35 touchscreen-min-pressure:
43 description: minimum pressure on the touch !! 36 description: minimum pressure on the touchscreen to be achieved in order for the
44 for the touchscreen driver to report a t !! 37 touchscreen driver to report a touch event.
45 $ref: /schemas/types.yaml#/definitions/uin 38 $ref: /schemas/types.yaml#/definitions/uint32
46 39
47 touchscreen-fuzz-x: 40 touchscreen-fuzz-x:
48 description: horizontal noise value of the 41 description: horizontal noise value of the absolute input device (in pixels)
49 $ref: /schemas/types.yaml#/definitions/uin 42 $ref: /schemas/types.yaml#/definitions/uint32
50 43
51 touchscreen-fuzz-y: 44 touchscreen-fuzz-y:
52 description: vertical noise value of the a 45 description: vertical noise value of the absolute input device (in pixels)
53 $ref: /schemas/types.yaml#/definitions/uin 46 $ref: /schemas/types.yaml#/definitions/uint32
54 47
55 touchscreen-fuzz-pressure: 48 touchscreen-fuzz-pressure:
56 description: pressure noise value of the a !! 49 description: pressure noise value of the absolute input device (arbitrary range
57 range dependent on the controller) !! 50 dependent on the controller)
58 $ref: /schemas/types.yaml#/definitions/uin 51 $ref: /schemas/types.yaml#/definitions/uint32
59 52
60 touchscreen-average-samples: 53 touchscreen-average-samples:
61 description: Number of data samples which !! 54 description: Number of data samples which are averaged for each read (valid values
62 values dependent on the controller) !! 55 dependent on the controller)
63 $ref: /schemas/types.yaml#/definitions/uin 56 $ref: /schemas/types.yaml#/definitions/uint32
64 57
65 touchscreen-inverted-x: 58 touchscreen-inverted-x:
66 description: X axis is inverted 59 description: X axis is inverted
67 type: boolean 60 type: boolean
68 61
69 touchscreen-inverted-y: 62 touchscreen-inverted-y:
70 description: Y axis is inverted 63 description: Y axis is inverted
71 type: boolean 64 type: boolean
72 65
73 touchscreen-swapped-x-y: 66 touchscreen-swapped-x-y:
74 description: X and Y axis are swapped 67 description: X and Y axis are swapped
75 Swapping is done after invert 68 Swapping is done after inverting the axis
76 type: boolean 69 type: boolean
77 70
78 touchscreen-x-mm: 71 touchscreen-x-mm:
79 description: horizontal length in mm of th 72 description: horizontal length in mm of the touchscreen
>> 73 $ref: /schemas/types.yaml#/definitions/uint32
80 74
81 touchscreen-y-mm: 75 touchscreen-y-mm:
82 description: vertical length in mm of the 76 description: vertical length in mm of the touchscreen
83 !! 77 $ref: /schemas/types.yaml#/definitions/uint32
84 touchscreen-x-plate-ohms: <<
85 description: Resistance of the X-plate in <<
86 <<
87 touchscreen-y-plate-ohms: <<
88 description: Resistance of the Y-plate in <<
89 78
90 dependencies: 79 dependencies:
91 touchscreen-size-x: [ touchscreen-size-y ] 80 touchscreen-size-x: [ touchscreen-size-y ]
92 touchscreen-size-y: [ touchscreen-size-x ] 81 touchscreen-size-y: [ touchscreen-size-x ]
93 touchscreen-x-mm: [ touchscreen-y-mm ] 82 touchscreen-x-mm: [ touchscreen-y-mm ]
94 touchscreen-y-mm: [ touchscreen-x-mm ] 83 touchscreen-y-mm: [ touchscreen-x-mm ]
95 <<
96 additionalProperties: true <<
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