| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Via labs VL817 USB 3.1 hub controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Anand Moon <linux.amoon@gmail.com> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: usb-device.yaml# |
| 14 | |
| 15 | properties: |
| 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 | |
| 37 | required: |
| 38 | - compatible |
| 39 | - reg |
| 40 | - vdd-supply |
| 41 | - peer-hub |
| 42 | |
| 43 | additionalProperties: false |
| 44 | |
| 45 | examples: |
| 46 | - | |
| 47 | #include <dt-bindings/gpio/gpio.h> |
| 48 | |
| 49 | usb { |
| 50 | #address-cells = <1>; |
| 51 | #size-cells = <0>; |
| 52 | |
| 53 | /* 2.0 hub on port 1 */ |
| 54 | hub_2_0: hub@1 { |
| 55 | compatible = "usb2109,2817"; |
| 56 | reg = <1>; |
| 57 | vdd-supply = <&vcc_5v>; |
| 58 | peer-hub = <&hub_3_0>; |
| 59 | reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; |
| 60 | }; |
| 61 | |
| 62 | /* 3.1 hub on port 4 */ |
| 63 | hub_3_0: hub@2 { |
| 64 | compatible = "usb2109,817"; |
| 65 | reg = <2>; |
| 66 | vdd-supply = <&vcc_5v>; |
| 67 | peer-hub = <&hub_2_0>; |
| 68 | reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; |
| 69 | }; |
| 70 | }; |