xref: /linux/Documentation/devicetree/bindings/gpio/waveshare,dsi-touch-gpio.yaml (revision 77d084d66b7694e2a912abdd8b9e5a0e7a32d28e) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/gpio/waveshare,dsi-touch-gpio.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Waveshare GPIO controller on DSI TOUCH panels
8
9maintainers:
10  - Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
11
12description:
13  Waveshare DSI TOUCH panel kits contain separate GPIO controller for toggling
14  power supplies and panel / touchscreen resets.
15
16properties:
17  compatible:
18    const: waveshare,dsi-touch-gpio
19
20  reg:
21    maxItems: 1
22
23  gpio-controller: true
24
25  '#gpio-cells':
26    const: 2
27
28required:
29  - compatible
30  - reg
31  - gpio-controller
32  - "#gpio-cells"
33
34additionalProperties: false
35
36examples:
37  - |
38    #include <dt-bindings/gpio/gpio.h>
39
40    i2c {
41        #address-cells = <1>;
42        #size-cells = <0>;
43
44        wsgpio: gpio@45 {
45            compatible = "waveshare,dsi-touch-gpio";
46            reg = <0x45>;
47            gpio-controller;
48            #gpio-cells = <2>;
49        };
50    };
51
52    panel_avdd: regulator-panel-avdd {
53        compatible = "regulator-fixed";
54        regulator-name = "panel-avdd";
55        gpios = <&wsgpio 0 GPIO_ACTIVE_HIGH>;
56        enable-active-high;
57    };
58
59    panel_iovcc: regulator-panel-iovcc {
60        compatible = "regulator-fixed";
61        regulator-name = "panel-iovcc";
62        gpios = <&wsgpio 4 GPIO_ACTIVE_HIGH>;
63        enable-active-high;
64    };
65
66    panel_vcc: regulator-panel-vcc {
67        compatible = "regulator-fixed";
68        regulator-name = "panel-vcc";
69        gpios = <&wsgpio 8 GPIO_ACTIVE_HIGH>;
70        enable-active-high;
71        regulator-always-on;
72    };
73...
74