| Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/usb/cypress,hx3.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Cypress HX3 USB 3.0 hub controller family |
| 8 | |
| 9 | maintainers: |
| 10 | - Benjamin Bara <benjamin.bara@skidata.com> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: usb-device.yaml# |
| 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | enum: |
| 18 | - usb4b4,6504 |
| 19 | - usb4b4,6506 |
| 20 | |
| 21 | reg: true |
| 22 | |
| 23 | reset-gpios: |
| 24 | items: |
| 25 | - description: GPIO specifier for RESETN pin. |
| 26 | |
| 27 | vdd-supply: |
| 28 | description: |
| 29 | 1V2 power supply (VDD_EFUSE, AVDD12, DVDD12). |
| 30 | |
| 31 | vdd2-supply: |
| 32 | description: |
| 33 | 3V3 power supply (AVDD33, VDD_IO). |
| 34 | |
| 35 | peer-hub: |
| 36 | $ref: /schemas/types.yaml#/definitions/phandle |
| 37 | description: |
| 38 | phandle to the peer hub on the controller. |
| 39 | |
| 40 | required: |
| 41 | - compatible |
| 42 | - reg |
| 43 | - peer-hub |
| 44 | - vdd-supply |
| 45 | - vdd2-supply |
| 46 | |
| 47 | additionalProperties: false |
| 48 | |
| 49 | examples: |
| 50 | - | |
| 51 | #include <dt-bindings/gpio/gpio.h> |
| 52 | |
| 53 | usb { |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 54 | #address-cells = <1>; |
| 55 | #size-cells = <0>; |
| 56 | |
| 57 | /* 2.0 hub on port 1 */ |
| 58 | hub_2_0: hub@1 { |
| 59 | compatible = "usb4b4,6504"; |
| 60 | reg = <1>; |
| 61 | peer-hub = <&hub_3_0>; |
| 62 | reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>; |
| 63 | vdd-supply = <®_1v2_usb>; |
| 64 | vdd2-supply = <®_3v3_usb>; |
| 65 | }; |
| 66 | |
| 67 | /* 3.0 hub on port 2 */ |
| 68 | hub_3_0: hub@2 { |
| 69 | compatible = "usb4b4,6506"; |
| 70 | reg = <2>; |
| 71 | peer-hub = <&hub_2_0>; |
| 72 | reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>; |
| 73 | vdd-supply = <®_1v2_usb>; |
| 74 | vdd2-supply = <®_3v3_usb>; |
| 75 | }; |
| 76 | }; |