tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/input/touchscreen/cypress,tt21000.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Cypress TT21000 touchscreen controller
8
9description: The Cypress TT21000 series (also known as "CYTTSP5" after
10 the marketing name Cypress TrueTouch Standard Product series 5).
11
12maintainers:
13 - Alistair Francis <alistair@alistair23.me>
14
15allOf:
16 - $ref: touchscreen.yaml#
17
18properties:
19 compatible:
20 const: cypress,tt21000
21
22 reg:
23 maxItems: 1
24
25 '#address-cells':
26 const: 1
27
28 '#size-cells':
29 const: 0
30
31 interrupts:
32 maxItems: 1
33
34 vdd-supply:
35 description: Regulator for voltage.
36
37 reset-gpios:
38 maxItems: 1
39
40 linux,keycodes:
41 description: EV_ABS specific event code generated by the axis.
42
43patternProperties:
44 "^button@[0-9]+$":
45 type: object
46 $ref: ../input.yaml#
47 properties:
48 reg:
49 maxItems: 1
50 linux,keycodes:
51 description: Keycode to emit
52
53 required:
54 - reg
55 - linux,keycodes
56
57 additionalProperties: false
58
59required:
60 - compatible
61 - reg
62 - interrupts
63 - vdd-supply
64
65unevaluatedProperties: false
66
67examples:
68 - |
69 #include <dt-bindings/interrupt-controller/irq.h>
70 #include <dt-bindings/gpio/gpio.h>
71 #include <dt-bindings/input/linux-event-codes.h>
72
73 i2c {
74 #address-cells = <1>;
75 #size-cells = <0>;
76
77 touchscreen@24 {
78 #address-cells = <1>;
79 #size-cells = <0>;
80
81 compatible = "cypress,tt21000";
82 reg = <0x24>;
83 pinctrl-names = "default";
84 pinctrl-0 = <&tp_reset_ds203>;
85 interrupt-parent = <&pio>;
86 interrupts = <1 5 IRQ_TYPE_LEVEL_LOW>;
87 reset-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>;
88 vdd-supply = <®_touch>;
89
90 button@0 {
91 reg = <0>;
92 linux,keycodes = <KEY_HOMEPAGE>;
93 };
94
95 button@1 {
96 reg = <1>;
97 linux,keycodes = <KEY_MENU>;
98 };
99
100 button@2 {
101 reg = <2>;
102 linux,keycodes = <KEY_BACK>;
103 };
104 };
105 };
106...