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/imagis,ist3038c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Imagis IST30XXC family touchscreen controller
8
9 maintainers:
10 - Markuss Broks <markuss.broks@gmail.com>
11
12 properties:
13 $nodename:
14 pattern: "^touchscreen@[0-9a-f]+$"
15
16 compatible:
17 enum:
18 - imagis,ist3032c
19 - imagis,ist3038
20 - imagis,ist3038b
21 - imagis,ist3038c
22
23 reg:
24 maxItems: 1
25
26 interrupts:
27 maxItems: 1
28
29 vdd-supply:
30 description: Power supply regulator for the chip
31
32 vddio-supply:
33 description: Power supply regulator for the I2C bus
34
35 linux,keycodes:
36 description: Keycodes for the touch keys
37 maxItems: 5
38
39 touchscreen-size-x: true
40 touchscreen-size-y: true
41 touchscreen-fuzz-x: true
42 touchscreen-fuzz-y: true
43 touchscreen-inverted-x: true
44 touchscreen-inverted-y: true
45 touchscreen-swapped-x-y: true
46
47 additionalProperties: false
48
49 allOf:
50 - $ref: touchscreen.yaml#
51 - if:
52 not:
53 properties:
54 compatible:
55 contains:
56 const: imagis,ist3032c
57 then:
58 properties:
59 linux,keycodes: false
60
61 required:
62 - compatible
63 - reg
64 - interrupts
65 - touchscreen-size-x
66 - touchscreen-size-y
67
68 examples:
69 - |
70 #include <dt-bindings/interrupt-controller/irq.h>
71 i2c {
72 #address-cells = <1>;
73 #size-cells = <0>;
74 touchscreen@50 {
75 compatible = "imagis,ist3038c";
76 reg = <0x50>;
77 interrupt-parent = <&gpio>;
78 interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
79 vdd-supply = <&ldo1_reg>;
80 vddio-supply = <&ldo2_reg>;
81 touchscreen-size-x = <720>;
82 touchscreen-size-y = <1280>;
83 touchscreen-fuzz-x = <10>;
84 touchscreen-fuzz-y = <10>;
85 touchscreen-inverted-x;
86 touchscreen-inverted-y;
87 };
88 };
89
90 ...
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