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 Bindings
8
9 maintainers:
10 - Vincent Knecht <vincent.knecht@mailoo.org>
11
12 allOf:
13 - $ref: touchscreen.yaml#
14
15 properties:
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
37 additionalProperties: false
38
39 required:
40 - compatible
41 - reg
42 - interrupts
43 - reset-gpios
44 - touchscreen-size-x
45 - touchscreen-size-y
46
47 examples:
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 ...
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