xref: /linux/Documentation/devicetree/bindings/input/touchscreen/imagis,ist3038c.yaml (revision be1ca3ee8f97067fee87fda73ea5959d5ab75bbf) 
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
7title: Imagis IST30XXC family touchscreen controller
8
9maintainers:
10  - Markuss Broks <markuss.broks@gmail.com>
11
12properties:
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      - imagis,ist3038h
23
24  reg:
25    maxItems: 1
26
27  interrupts:
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  linux,keycodes:
37    description: Keycodes for the touch keys
38    minItems: 2
39    maxItems: 5
40
41  touchscreen-size-x: true
42  touchscreen-size-y: true
43  touchscreen-fuzz-x: true
44  touchscreen-fuzz-y: true
45  touchscreen-inverted-x: true
46  touchscreen-inverted-y: true
47  touchscreen-swapped-x-y: true
48
49additionalProperties: false
50
51allOf:
52  - $ref: touchscreen.yaml#
53  - if:
54      not:
55        properties:
56          compatible:
57            contains:
58              enum:
59                - imagis,ist3032c
60                - imagis,ist3038
61    then:
62      properties:
63        linux,keycodes: false
64
65required:
66  - compatible
67  - reg
68  - interrupts
69  - touchscreen-size-x
70  - touchscreen-size-y
71
72examples:
73  - |
74    #include <dt-bindings/interrupt-controller/irq.h>
75    i2c {
76      #address-cells = <1>;
77      #size-cells = <0>;
78      touchscreen@50 {
79        compatible = "imagis,ist3038c";
80        reg = <0x50>;
81        interrupt-parent = <&gpio>;
82        interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
83        vdd-supply = <&ldo1_reg>;
84        vddio-supply = <&ldo2_reg>;
85        touchscreen-size-x = <720>;
86        touchscreen-size-y = <1280>;
87        touchscreen-fuzz-x = <10>;
88        touchscreen-fuzz-y = <10>;
89        touchscreen-inverted-x;
90        touchscreen-inverted-y;
91      };
92    };
93  - |
94    #include <dt-bindings/input/linux-event-codes.h>
95    #include <dt-bindings/interrupt-controller/irq.h>
96    i2c {
97      #address-cells = <1>;
98      #size-cells = <0>;
99      touchscreen@50 {
100        compatible = "imagis,ist3032c";
101        reg = <0x50>;
102        interrupt-parent = <&gpio>;
103        interrupts = <72 IRQ_TYPE_EDGE_FALLING>;
104        vdd-supply = <&ldo2>;
105        touchscreen-size-x = <480>;
106        touchscreen-size-y = <800>;
107        linux,keycodes = <KEY_APPSELECT>, <KEY_BACK>;
108      };
109    };
110
111...
112