xref: /linux/Documentation/devicetree/bindings/input/focaltech,ft8112.yaml (revision 570f7e331f5febb30f1384817463c7e42b65ca7d) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/input/focaltech,ft8112.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: FocalTech FT8112 touchscreen controller
8
9maintainers:
10  - Daniel Peng <Daniel_Peng@pegatron.corp-partner.google.com>
11
12description:
13  Supports the FocalTech FT8112 touchscreen controller.
14  This touchscreen controller uses the i2c-hid protocol with a reset GPIO.
15
16allOf:
17  - $ref: /schemas/input/touchscreen/touchscreen.yaml#
18
19properties:
20  compatible:
21    oneOf:
22      - items:
23          - enum:
24              - focaltech,ft3d81
25          - const: focaltech,ft8112
26      - enum:
27          - focaltech,ft8112
28
29  reg:
30    maxItems: 1
31
32  interrupts:
33    maxItems: 1
34
35  panel: true
36
37  reset-gpios:
38    maxItems: 1
39
40  vcc33-supply: true
41
42  vccio-supply: true
43
44required:
45  - compatible
46  - reg
47  - interrupts
48  - vcc33-supply
49
50additionalProperties: false
51
52examples:
53  - |
54    #include <dt-bindings/gpio/gpio.h>
55    #include <dt-bindings/interrupt-controller/irq.h>
56
57    i2c {
58      #address-cells = <1>;
59      #size-cells = <0>;
60
61      touchscreen@38 {
62        compatible = "focaltech,ft8112";
63        reg = <0x38>;
64
65        interrupt-parent = <&pio>;
66        interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
67
68        reset-gpios = <&pio 126 GPIO_ACTIVE_LOW>;
69        vcc33-supply = <&pp3300_tchscr_x>;
70      };
71    };
72