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/cypress,cy8ctma140.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Cypress CY8CTMA140 series touchscreen controller
8
9 maintainers:
10 - Linus Walleij <linus.walleij@linaro.org>
11
12 allOf:
13 - $ref: touchscreen.yaml#
14
15 properties:
16 compatible:
17 const: cypress,cy8ctma140
18
19 reg:
20 const: 0x20
21
22 clock-frequency:
23 description: I2C client clock frequency, defined for host
24 minimum: 100000
25 maximum: 400000
26
27 interrupts:
28 maxItems: 1
29
30 vcpin-supply:
31 description: Analog power supply regulator on VCPIN pin
32
33 vdd-supply:
34 description: Digital power supply regulator on VDD pin
35
36 touchscreen-inverted-x: true
37 touchscreen-inverted-y: true
38 touchscreen-size-x: true
39 touchscreen-size-y: true
40 touchscreen-swapped-x-y: true
41 touchscreen-max-pressure: true
42
43 additionalProperties: false
44
45 required:
46 - compatible
47 - reg
48 - interrupts
49 - touchscreen-size-x
50 - touchscreen-size-y
51 - touchscreen-max-pressure
52
53 examples:
54 - |
55 #include <dt-bindings/interrupt-controller/irq.h>
56 i2c {
57 #address-cells = <1>;
58 #size-cells = <0>;
59 touchscreen@20 {
60 compatible = "cypress,cy8ctma140";
61 reg = <0x20>;
62 touchscreen-size-x = <480>;
63 touchscreen-size-y = <800>;
64 touchscreen-max-pressure = <255>;
65 interrupt-parent = <&gpio6>;
66 interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
67 vdd-supply = <&ab8500_ldo_aux2_reg>;
68 vcpin-supply = <&ab8500_ldo_aux2_reg>;
69 };
70 };
71
72 ...
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