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$id: http://devicetree.org/schemas/input/touchscreen/goodix,gt9916.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Goodix Berlin series touchscreen controller
8
9description: The Goodix Berlin series of touchscreen controllers
10 be connected to either I2C or SPI buses.
11
12maintainers:
13 - Neil Armstrong <neil.armstrong@linaro.org>
14
15allOf:
16 - $ref: touchscreen.yaml#
17 - $ref: /schemas/spi/spi-peripheral-props.yaml#
18
19properties:
20 compatible:
21 enum:
22 - goodix,gt9897
23 - goodix,gt9916
24
25 reg:
26 maxItems: 1
27
28 interrupts:
29 maxItems: 1
30
31 reset-gpios:
32 maxItems: 1
33
34 avdd-supply:
35 description: Analog power supply regulator on AVDD pin
36
37 vddio-supply:
38 description: power supply regulator on VDDIO pin
39
40 spi-max-frequency: true
41 touchscreen-inverted-x: true
42 touchscreen-inverted-y: true
43 touchscreen-size-x: true
44 touchscreen-size-y: true
45 touchscreen-swapped-x-y: true
46
47additionalProperties: false
48
49required:
50 - compatible
51 - reg
52 - interrupts
53 - avdd-supply
54 - touchscreen-size-x
55 - touchscreen-size-y
56
57examples:
58 - |
59 #include <dt-bindings/interrupt-controller/irq.h>
60 #include <dt-bindings/gpio/gpio.h>
61 i2c {
62 #address-cells = <1>;
63 #size-cells = <0>;
64 touchscreen@5d {
65 compatible = "goodix,gt9916";
66 reg = <0x5d>;
67 interrupt-parent = <&gpio>;
68 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
69 reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
70 avdd-supply = <&ts_avdd>;
71 touchscreen-size-x = <1024>;
72 touchscreen-size-y = <768>;
73 };
74 };
75 - |
76 #include <dt-bindings/interrupt-controller/irq.h>
77 #include <dt-bindings/gpio/gpio.h>
78 spi {
79 #address-cells = <1>;
80 #size-cells = <0>;
81 num-cs = <1>;
82 cs-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
83 touchscreen@0 {
84 compatible = "goodix,gt9916";
85 reg = <0>;
86 interrupt-parent = <&gpio>;
87 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
88 reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
89 avdd-supply = <&ts_avdd>;
90 spi-max-frequency = <1000000>;
91 touchscreen-size-x = <1024>;
92 touchscreen-size-y = <768>;
93 };
94 };
95
96...