xref: /linux/Documentation/devicetree/bindings/input/focaltech,ft8112.yaml (revision c17ee635fd3a482b2ad2bf5e269755c2eae5f25e) 
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    enum:
22      - focaltech,ft8112
23
24  reg:
25    maxItems: 1
26
27  interrupts:
28    maxItems: 1
29
30  panel: true
31
32  reset-gpios:
33    maxItems: 1
34
35  vcc33-supply: true
36
37  vccio-supply: true
38
39required:
40  - compatible
41  - reg
42  - interrupts
43  - vcc33-supply
44
45additionalProperties: false
46
47examples:
48  - |
49    #include <dt-bindings/gpio/gpio.h>
50    #include <dt-bindings/interrupt-controller/irq.h>
51
52    i2c {
53      #address-cells = <1>;
54      #size-cells = <0>;
55
56      touchscreen@38 {
57        compatible = "focaltech,ft8112";
58        reg = <0x38>;
59
60        interrupt-parent = <&pio>;
61        interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
62
63        reset-gpios = <&pio 126 GPIO_ACTIVE_LOW>;
64        vcc33-supply = <&pp3300_tchscr_x>;
65      };
66    };
67