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$id: http://devicetree.org/schemas/usb/vialab,vl817.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Via labs VL817 USB 3.1 hub controller
8
9maintainers:
10 - Anand Moon <linux.amoon@gmail.com>
11
12allOf:
13 - $ref: usb-device.yaml#
14
15properties:
16 compatible:
17 enum:
18 - usb2109,2817
19 - usb2109,817
20
21 reg: true
22
23 reset-gpios:
24 maxItems: 1
25 description:
26 GPIO controlling the RESET# pin.
27
28 vdd-supply:
29 description:
30 phandle to the regulator that provides power to the hub.
31
32 peer-hub:
33 $ref: /schemas/types.yaml#/definitions/phandle
34 description:
35 phandle to the peer hub on the controller.
36
37required:
38 - compatible
39 - reg
40 - reset-gpios
41 - vdd-supply
42 - peer-hub
43
44additionalProperties: false
45
46examples:
47 - |
48 #include <dt-bindings/gpio/gpio.h>
49
50 usb {
51 #address-cells = <1>;
52 #size-cells = <0>;
53
54 /* 2.0 hub on port 1 */
55 hub_2_0: hub@1 {
56 compatible = "usb2109,2817";
57 reg = <1>;
58 vdd-supply = <&vcc_5v>;
59 peer-hub = <&hub_3_0>;
60 reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
61 };
62
63 /* 3.1 hub on port 4 */
64 hub_3_0: hub@2 {
65 compatible = "usb2109,817";
66 reg = <2>;
67 vdd-supply = <&vcc_5v>;
68 peer-hub = <&hub_2_0>;
69 reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
70 };
71 };