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
7 title: MStar msg2638 touchscreen controller
8
9 maintainers:
10 - Vincent Knecht <vincent.knecht@mailoo.org>
11
12 allOf:
13 - $ref: touchscreen.yaml#
14
15 properties:
16 compatible:
17 enum:
18 - mstar,msg2138
19 - mstar,msg2638
20
21 reg:
22 const: 0x26
23
24 interrupts:
25 maxItems: 1
26
27 reset-gpios:
28 maxItems: 1
29
30 vdd-supply:
31 description: Power supply regulator for the chip
32
33 vddio-supply:
34 description: Power supply regulator for the I2C bus
35
36 touchscreen-size-x: true
37 touchscreen-size-y: true
38
39 linux,keycodes:
40 minItems: 1
41 maxItems: 4
42
43 additionalProperties: false
44
45 required:
46 - compatible
47 - reg
48 - interrupts
49 - reset-gpios
50 - touchscreen-size-x
51 - touchscreen-size-y
52
53 examples:
54 - |
55 #include <dt-bindings/gpio/gpio.h>
56 #include <dt-bindings/interrupt-controller/irq.h>
57 i2c {
58 #address-cells = <1>;
59 #size-cells = <0>;
60 touchscreen@26 {
61 compatible = "mstar,msg2638";
62 reg = <0x26>;
63 interrupt-parent = <&msmgpio>;
64 interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
65 reset-gpios = <&msmgpio 100 GPIO_ACTIVE_LOW>;
66 pinctrl-names = "default";
67 pinctrl-0 = <&ts_int_reset_default>;
68 vdd-supply = <&pm8916_l17>;
69 vddio-supply = <&pm8916_l5>;
70 touchscreen-size-x = <2048>;
71 touchscreen-size-y = <2048>;
72 };
73 };
74
75 ...
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