xref: /linux/Documentation/devicetree/bindings/input/atmel,captouch.yaml (revision 7255fcc80d4b525cc10cfaaf7f485830d4ed2000) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/input/atmel,captouch.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Atmel capacitive touch device
8
9maintainers:
10  - Dharma balasubiramani <dharma.b@microchip.com>
11
12description:
13  Atmel capacitive touch device, typically an Atmel touch sensor connected to
14  AtmegaXX MCU running firmware based on Qtouch library.
15
16allOf:
17  - $ref: input.yaml#
18
19properties:
20  compatible:
21    const: atmel,captouch
22
23  reg:
24    maxItems: 1
25
26  interrupts:
27    maxItems: 1
28
29  linux,keycodes:
30    minItems: 1
31    maxItems: 8
32
33required:
34  - compatible
35  - reg
36  - interrupts
37  - linux,keycodes
38
39unevaluatedProperties: false
40
41examples:
42  - |
43    #include <dt-bindings/interrupt-controller/irq.h>
44    #include <dt-bindings/input/linux-event-codes.h>
45    i2c {
46      #address-cells = <1>;
47      #size-cells = <0>;
48      touch@51 {
49        compatible = "atmel,captouch";
50        reg = <0x51>;
51        interrupt-parent = <&tlmm>;
52        interrupts = <67 IRQ_TYPE_EDGE_FALLING>;
53        linux,keycodes = <BTN_0>, <BTN_1>,
54                         <BTN_2>, <BTN_3>,
55                         <BTN_4>, <BTN_5>,
56                         <BTN_6>, <BTN_7>;
57        autorepeat;
58      };
59    };
60