xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/input/touchscreen/touchscreen.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Common touchscreen Bindings
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Dmitry Torokhov <dmitry.torokhov@gmail.com>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyunproperties:
13*4882a593Smuzhiyun  touchscreen-min-x:
14*4882a593Smuzhiyun    description: minimum x coordinate reported
15*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
16*4882a593Smuzhiyun    default: 0
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun  touchscreen-min-y:
19*4882a593Smuzhiyun    description: minimum y coordinate reported
20*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
21*4882a593Smuzhiyun    default: 0
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun  touchscreen-size-x:
24*4882a593Smuzhiyun    description: horizontal resolution of touchscreen (maximum x coordinate reported + 1)
25*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun  touchscreen-size-y:
28*4882a593Smuzhiyun    description: vertical resolution of touchscreen (maximum y coordinate reported + 1)
29*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun  touchscreen-max-pressure:
32*4882a593Smuzhiyun    description: maximum reported pressure (arbitrary range dependent on the controller)
33*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun  touchscreen-min-pressure:
36*4882a593Smuzhiyun    description: minimum pressure on the touchscreen to be achieved in order
37*4882a593Smuzhiyun      for the touchscreen driver to report a touch event.
38*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun  touchscreen-fuzz-x:
41*4882a593Smuzhiyun    description: horizontal noise value of the absolute input device (in pixels)
42*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun  touchscreen-fuzz-y:
45*4882a593Smuzhiyun    description: vertical noise value of the absolute input device (in pixels)
46*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun  touchscreen-fuzz-pressure:
49*4882a593Smuzhiyun    description: pressure noise value of the absolute input device (arbitrary
50*4882a593Smuzhiyun      range dependent on the controller)
51*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun  touchscreen-average-samples:
54*4882a593Smuzhiyun    description: Number of data samples which are averaged for each read (valid
55*4882a593Smuzhiyun      values dependent on the controller)
56*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun  touchscreen-inverted-x:
59*4882a593Smuzhiyun    description: X axis is inverted
60*4882a593Smuzhiyun    type: boolean
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun  touchscreen-inverted-y:
63*4882a593Smuzhiyun    description: Y axis is inverted
64*4882a593Smuzhiyun    type: boolean
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun  touchscreen-swapped-x-y:
67*4882a593Smuzhiyun    description: X and Y axis are swapped
68*4882a593Smuzhiyun                 Swapping is done after inverting the axis
69*4882a593Smuzhiyun    type: boolean
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun  touchscreen-x-mm:
72*4882a593Smuzhiyun    description: horizontal length in mm of the touchscreen
73*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun  touchscreen-y-mm:
76*4882a593Smuzhiyun    description: vertical length in mm of the touchscreen
77*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
78*4882a593Smuzhiyun
79*4882a593Smuzhiyundependencies:
80*4882a593Smuzhiyun  touchscreen-size-x: [ touchscreen-size-y ]
81*4882a593Smuzhiyun  touchscreen-size-y: [ touchscreen-size-x ]
82*4882a593Smuzhiyun  touchscreen-x-mm: [ touchscreen-y-mm ]
83*4882a593Smuzhiyun  touchscreen-y-mm: [ touchscreen-x-mm ]
84*4882a593Smuzhiyun
85*4882a593SmuzhiyunadditionalProperties: true
86