1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/input/touchscreen/silead,gsl1680.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Silead GSL1680 Touchscreen Controller
8
9 maintainers:
10 - Dmitry Torokhov <dmitry.torokhov@gmail.com>
11
12 allOf:
13 - $ref: touchscreen.yaml#
14
15 properties:
16 compatible:
17 enum:
18 - silead,gsl1680
19 - silead,gsl1688
20 - silead,gsl3670
21 - silead,gsl3675
22 - silead,gsl3692
23
24 reg:
25 maxItems: 1
26
27 interrupts:
28 maxItems: 1
29
30 power-gpios:
31 maxItems: 1
32
33 firmware-name:
34 maxItems: 1
35 description: >
36 File basename for board specific firmware
37
38 silead,max-fingers:
39 $ref: /schemas/types.yaml#/definitions/uint32
40 maximum: 5
41 description: >
42 Maximum number of fingers the touchscreen can detect
43
44 silead,home-button:
45 type: boolean
46 description: >
47 Does the device have a capacitive home-button build into the
48 touchscreen?
49
50 avdd-supply:
51 description: >
52 Regulator phandle for controller AVDD
53
54 vddio-supply:
55 description: >
56 Regulator phandle for controller VDDIO
57
58 unevaluatedProperties: false
59
60 required:
61 - compatible
62 - reg
63 - interrupts
64 - power-gpios
65 - touchscreen-size-x
66 - touchscreen-size-y
67
68 examples:
69 - |
70 #include <dt-bindings/gpio/gpio.h>
71 #include <dt-bindings/interrupt-controller/arm-gic.h>
72
73 i2c {
74 #address-cells = <1>;
75 #size-cells = <0>;
76
77 touchscreen@40 {
78 compatible = "silead,gsl1680";
79 reg = <0x40>;
80 interrupt-parent = <&pio>;
81 interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>;
82 power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>;
83 touchscreen-size-x = <480>;
84 touchscreen-size-y = <800>;
85 touchscreen-inverted-x;
86 touchscreen-swapped-x-y;
87 silead,max-fingers = <5>;
88 };
89 };
90
91 ...
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