xref: /linux/Documentation/devicetree/bindings/input/touchscreen/trivial-touch.yaml (revision ca220141fa8ebae09765a242076b2b77338106b0) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/input/touchscreen/trivial-touch.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Trivial touch screen controller with i2c interface
8
9maintainers:
10  - Frank Li <Frank.Li@nxp.com>
11
12properties:
13  compatible:
14    enum:
15      # The Azoteq IQS550, IQS572 and IQS525 trackpad and touchscreen controllers
16      - azoteq,iqs550
17      - azoteq,iqs572
18      - azoteq,iqs525
19      # Himax hx83100a touchscreen controller
20      - himax,hx83100a
21      # Himax hx83112b touchscreen controller
22      - himax,hx83112b
23      # Hynitron cstxxx series touchscreen controller
24      - hynitron,cst340
25      # Ilitek I2C Touchscreen Controller
26      - ilitek,ili2130
27      - ilitek,ili2131
28      - ilitek,ili2132
29      - ilitek,ili2316
30      - ilitek,ili2322
31      - ilitek,ili2323
32      - ilitek,ili2326
33      - ilitek,ili2520
34      - ilitek,ili2521
35      # MAXI MAX11801 Resistive touch screen controller with i2c interface
36      - maxim,max11801
37      # Microchip AR1020 and AR1021 touchscreen interface (I2C)
38      - microchip,ar1021-i2c
39      # Trivial touch screen controller with i2c interface
40      - semtech,sx8650
41      - semtech,sx8654
42      - semtech,sx8655
43      - semtech,sx8656
44
45  reg:
46    maxItems: 1
47
48  interrupts:
49    maxItems: 1
50
51  reset-gpios:
52    maxItems: 1
53
54  wakeup-source: true
55
56allOf:
57  - $ref: touchscreen.yaml
58
59required:
60  - compatible
61  - reg
62  - interrupts
63
64unevaluatedProperties: false
65
66examples:
67  - |
68    #include <dt-bindings/interrupt-controller/irq.h>
69
70    i2c {
71        #address-cells = <1>;
72        #size-cells = <0>;
73
74        touchscreen@48 {
75            compatible = "maxim,max11801";
76            reg = <0x48>;
77            interrupt-parent = <&gpio3>;
78            interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
79        };
80    };
81