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/st,stmfts.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: ST-Microelectronics FingerTip touchscreen controller
8
9 maintainers:
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11
12 description:
13 The ST-Microelectronics FingerTip device provides a basic touchscreen
14 functionality. Along with it the user can enable the touchkey which can work
15 as a basic HOME and BACK key for phones.
16
17 allOf:
18 - $ref: touchscreen.yaml#
19
20 properties:
21 compatible:
22 const: st,stmfts
23
24 reg:
25 maxItems: 1
26
27 avdd-supply:
28 description: Analogic power supply
29
30 interrupts:
31 maxItems: 1
32
33 ledvdd-supply:
34 description: Power supply to the touch key leds
35
36 touch-key-connected:
37 type: boolean
38 description: The touchkey feature is connected
39
40 vdd-supply:
41 description: Power supply
42
43 required:
44 - compatible
45 - reg
46 - avdd-supply
47 - interrupts
48 - vdd-supply
49
50 unevaluatedProperties: false
51
52 examples:
53 - |
54 #include <dt-bindings/interrupt-controller/irq.h>
55
56 i2c {
57 #address-cells = <1>;
58 #size-cells = <0>;
59
60 touchscreen@49 {
61 compatible = "st,stmfts";
62 reg = <0x49>;
63 interrupt-parent = <&gpa1>;
64 interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
65 touchscreen-size-x = <1599>;
66 touchscreen-size-y = <2559>;
67 touch-key-connected;
68 avdd-supply = <&ldo30_reg>;
69 vdd-supply = <&ldo31_reg>;
70 ledvdd-supply = <&ldo33_reg>;
71 };
72 };
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