| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/input/touchscreen/touchscreen.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Common touchscreen |
| 8 | |
| 9 | maintainers: |
| 10 | - Dmitry Torokhov <dmitry.torokhov@gmail.com> |
| 11 | |
| 12 | properties: |
| 13 | panel: |
| 14 | description: If this touchscreen is integrally connected to a panel, this |
| 15 | is a reference to that panel. The presence of this reference indicates |
| 16 | that the touchscreen should be power sequenced together with the panel |
| 17 | and that they may share power and/or reset signals. |
| 18 | $ref: /schemas/types.yaml#/definitions/phandle |
| 19 | |
| 20 | touchscreen-min-x: |
| 21 | description: minimum x coordinate reported |
| 22 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 23 | default: 0 |
| 24 | |
| 25 | touchscreen-min-y: |
| 26 | description: minimum y coordinate reported |
| 27 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 28 | default: 0 |
| 29 | |
| 30 | touchscreen-size-x: |
| 31 | description: horizontal resolution of touchscreen (maximum x coordinate reported + 1) |
| 32 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 33 | |
| 34 | touchscreen-size-y: |
| 35 | description: vertical resolution of touchscreen (maximum y coordinate reported + 1) |
| 36 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 37 | |
| 38 | touchscreen-max-pressure: |
| 39 | description: maximum reported pressure (arbitrary range dependent on the controller) |
| 40 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 41 | |
| 42 | touchscreen-min-pressure: |
| 43 | description: minimum pressure on the touchscreen to be achieved in order |
| 44 | for the touchscreen driver to report a touch event. |
| 45 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 46 | |
| 47 | touchscreen-fuzz-x: |
| 48 | description: horizontal noise value of the absolute input device (in pixels) |
| 49 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 50 | |
| 51 | touchscreen-fuzz-y: |
| 52 | description: vertical noise value of the absolute input device (in pixels) |
| 53 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 54 | |
| 55 | touchscreen-fuzz-pressure: |
| 56 | description: pressure noise value of the absolute input device (arbitrary |
| 57 | range dependent on the controller) |
| 58 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 59 | |
| 60 | touchscreen-average-samples: |
| 61 | description: Number of data samples which are averaged for each read (valid |
| 62 | values dependent on the controller) |
| 63 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 64 | |
| 65 | touchscreen-inverted-x: |
| 66 | description: X axis is inverted |
| 67 | type: boolean |
| 68 | |
| 69 | touchscreen-inverted-y: |
| 70 | description: Y axis is inverted |
| 71 | type: boolean |
| 72 | |
| 73 | touchscreen-swapped-x-y: |
| 74 | description: X and Y axis are swapped |
| 75 | Swapping is done after inverting the axis |
| 76 | type: boolean |
| 77 | |
| 78 | touchscreen-x-mm: |
| 79 | description: horizontal length in mm of the touchscreen |
| 80 | |
| 81 | touchscreen-y-mm: |
| 82 | description: vertical length in mm of the touchscreen |
| 83 | |
| 84 | touchscreen-x-plate-ohms: |
| 85 | description: Resistance of the X-plate in Ohms |
| 86 | |
| 87 | touchscreen-y-plate-ohms: |
| 88 | description: Resistance of the Y-plate in Ohms |
| 89 | |
| 90 | dependencies: |
| 91 | touchscreen-size-x: [ touchscreen-size-y ] |
| 92 | touchscreen-size-y: [ touchscreen-size-x ] |
| 93 | touchscreen-x-mm: [ touchscreen-y-mm ] |
| 94 | touchscreen-y-mm: [ touchscreen-x-mm ] |
| 95 | |
| 96 | additionalProperties: true |