xref: /linux/Documentation/devicetree/bindings/input/touchscreen/ti,tsc2007.yaml (revision 4f38da1f027ea2c9f01bb71daa7a299c191b6940) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/input/touchscreen/ti,tsc2007.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Texas Instruments tsc2007 touchscreen controller
8
9maintainers:
10  - Frank Li <Frank.Li@nxp.com>
11
12properties:
13  compatible:
14    const: ti,tsc2007
15
16  reg:
17    maxItems: 1
18
19  interrupts:
20    maxItems: 1
21
22  ti,x-plate-ohms:
23    description: X-plate resistance in ohms.
24
25  gpios: true
26
27  pendown-gpio: true
28
29  wakeup-source: true
30
31  ti,max-rt:
32    $ref: /schemas/types.yaml#/definitions/uint32
33    description: maximum pressure.
34
35  ti,fuzzx:
36    $ref: /schemas/types.yaml#/definitions/uint32
37    description:
38      specifies the absolute input fuzz x value.
39      If set, it will permit noise in the data up to +- the value given to the fuzz
40      parameter, that is used to filter noise from the event stream.
41
42  ti,fuzzy:
43    $ref: /schemas/types.yaml#/definitions/uint32
44    description: specifies the absolute input fuzz y value.
45
46  ti,fuzzz:
47    $ref: /schemas/types.yaml#/definitions/uint32
48    description: specifies the absolute input fuzz z value.
49
50  ti,poll-period:
51    $ref: /schemas/types.yaml#/definitions/uint32
52    description:
53      how much time to wait (in milliseconds) before reading again the
54      values from the tsc2007.
55
56required:
57  - compatible
58  - reg
59  - ti,x-plate-ohms
60
61additionalProperties: false
62
63examples:
64  - |
65    i2c {
66        #address-cells = <1>;
67        #size-cells = <0>;
68
69        touch@49 {
70           compatible = "ti,tsc2007";
71           reg = <0x49>;
72           interrupt-parent = <&gpio4>;
73           interrupts = <0x0 0x8>;
74           gpios = <&gpio4 0 0>;
75           ti,x-plate-ohms = <180>;
76        };
77    };
78