xref: /linux/Documentation/devicetree/bindings/input/touchscreen/himax,hx852es.yaml (revision 4f38da1f027ea2c9f01bb71daa7a299c191b6940) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/input/touchscreen/himax,hx852es.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Himax HX852x(ES) touch panel controller
8
9maintainers:
10  - Stephan Gerhold <stephan@gerhold.net>
11
12allOf:
13  - $ref: touchscreen.yaml#
14
15properties:
16  compatible:
17    items:
18      - enum:
19          - himax,hx8525e
20          - himax,hx8526e
21          - himax,hx8527e
22      - const: himax,hx852es
23
24  reg:
25    maxItems: 1
26
27  interrupts:
28    maxItems: 1
29    description: Touch Screen Interrupt (TSIX), active low
30
31  reset-gpios:
32    maxItems: 1
33    description: External Reset (XRES), active low
34
35  vcca-supply:
36    description: Analog power supply (VCCA)
37
38  vccd-supply:
39    description: Digital power supply (VCCD)
40
41  touchscreen-inverted-x: true
42  touchscreen-inverted-y: true
43  touchscreen-size-x: true
44  touchscreen-size-y: true
45  touchscreen-swapped-x-y: true
46
47  linux,keycodes:
48    minItems: 1
49    maxItems: 4
50
51required:
52  - compatible
53  - reg
54  - interrupts
55  - reset-gpios
56
57additionalProperties: false
58
59examples:
60  - |
61    #include <dt-bindings/gpio/gpio.h>
62    #include <dt-bindings/input/input.h>
63    #include <dt-bindings/interrupt-controller/irq.h>
64
65    i2c {
66      #address-cells = <1>;
67      #size-cells = <0>;
68
69      touchscreen@48 {
70        compatible = "himax,hx8527e", "himax,hx852es";
71        reg = <0x48>;
72        interrupt-parent = <&tlmm>;
73        interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
74        reset-gpios = <&tlmm 12 GPIO_ACTIVE_LOW>;
75        vcca-supply = <&reg_ts_vcca>;
76        vccd-supply = <&pm8916_l6>;
77        linux,keycodes = <KEY_BACK KEY_HOMEPAGE KEY_APPSELECT>;
78      };
79    };
80
81...
82