1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/input/elan,ekth6915.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Elan eKTH6915 touchscreen controller
8
9 maintainers:
10 - Douglas Anderson <dianders@chromium.org>
11
12 description:
13 Supports the Elan eKTH6915 touchscreen controller.
14 This touchscreen controller uses the i2c-hid protocol with a reset GPIO.
15
16 properties:
17 compatible:
18 items:
19 - const: elan,ekth6915
20
21 reg:
22 const: 0x10
23
24 interrupts:
25 maxItems: 1
26
27 reset-gpios:
28 description: Reset GPIO; not all touchscreens using eKTH6915 hook this up.
29
30 vcc33-supply:
31 description: The 3.3V supply to the touchscreen.
32
33 vccio-supply:
34 description:
35 The IO supply to the touchscreen. Need not be specified if this is the
36 same as the 3.3V supply.
37
38 required:
39 - compatible
40 - reg
41 - interrupts
42 - vcc33-supply
43
44 additionalProperties: false
45
46 examples:
47 - |
48 #include <dt-bindings/gpio/gpio.h>
49 #include <dt-bindings/interrupt-controller/irq.h>
50
51 i2c {
52 #address-cells = <1>;
53 #size-cells = <0>;
54
55 ap_ts: touchscreen@10 {
56 compatible = "elan,ekth6915";
57 reg = <0x10>;
58
59 interrupt-parent = <&tlmm>;
60 interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
61
62 reset-gpios = <&tlmm 8 GPIO_ACTIVE_LOW>;
63 vcc33-supply = <&pp3300_ts>;
64 };
65 };
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