xref: /linux/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml (revision d22fe808f9a3456f16015e79f1b86a10ce13099f) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/input/touchscreen/mstar,msg2638.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MStar msg2638 touchscreen controller Bindings
8
9maintainers:
10  - Vincent Knecht <vincent.knecht@mailoo.org>
11
12allOf:
13  - $ref: touchscreen.yaml#
14
15properties:
16  compatible:
17    const: mstar,msg2638
18
19  reg:
20    const: 0x26
21
22  interrupts:
23    maxItems: 1
24
25  reset-gpios:
26    maxItems: 1
27
28  vdd-supply:
29    description: Power supply regulator for the chip
30
31  vddio-supply:
32    description: Power supply regulator for the I2C bus
33
34  touchscreen-size-x: true
35  touchscreen-size-y: true
36
37additionalProperties: false
38
39required:
40  - compatible
41  - reg
42  - interrupts
43  - reset-gpios
44  - touchscreen-size-x
45  - touchscreen-size-y
46
47examples:
48  - |
49    #include <dt-bindings/gpio/gpio.h>
50    #include <dt-bindings/interrupt-controller/irq.h>
51    i2c {
52      #address-cells = <1>;
53      #size-cells = <0>;
54      touchscreen@26 {
55        compatible = "mstar,msg2638";
56        reg = <0x26>;
57        interrupt-parent = <&msmgpio>;
58        interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
59        reset-gpios = <&msmgpio 100 GPIO_ACTIVE_LOW>;
60        pinctrl-names = "default";
61        pinctrl-0 = <&ts_int_reset_default>;
62        vdd-supply = <&pm8916_l17>;
63        vddio-supply = <&pm8916_l5>;
64        touchscreen-size-x = <2048>;
65        touchscreen-size-y = <2048>;
66      };
67    };
68
69...
70