272 lines
7.5 KiB
YAML
272 lines
7.5 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/usb251xb.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Microchip USB 2.0 Hi-Speed Hub Controller
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maintainers:
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- Richard Leitner <richard.leitner@skidata.com>
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properties:
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compatible:
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enum:
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- microchip,usb2422
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- microchip,usb2512b
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- microchip,usb2512bi
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- microchip,usb2513b
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- microchip,usb2513bi
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- microchip,usb2514b
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- microchip,usb2514bi
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- microchip,usb2517
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- microchip,usb2517i
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- microchip,usb251xb
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reg:
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maxItems: 1
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reset-gpios:
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description: |
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Should specify the gpio for hub reset
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vdd-supply:
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description: |
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Should specify the phandle to the regulator supplying vdd
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skip-config:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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Skip Hub configuration, but only send the USB-Attach command
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vendor-id:
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$ref: /schemas/types.yaml#/definitions/uint16
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default: 0x0424
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description: |
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Set USB Vendor ID of the hub
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product-id:
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$ref: /schemas/types.yaml#/definitions/uint16
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description: |
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Set USB Product ID of the hub
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device-id:
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$ref: /schemas/types.yaml#/definitions/uint16
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default: 0x0bb3
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description: |
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Set USB Device ID of the hub
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language-id:
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$ref: /schemas/types.yaml#/definitions/uint16
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default: 0x0000
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description: |
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Set USB Language ID
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manufacturer:
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$ref: /schemas/types.yaml#/definitions/string
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description: |
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Set USB Manufacturer string (max 31 characters long)
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product:
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$ref: /schemas/types.yaml#/definitions/string
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description: |
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Set USB Product string (max 31 characters long)
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serial:
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$ref: /schemas/types.yaml#/definitions/string
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description: |
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Set USB Serial string (max 31 characters long)
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bus-powered:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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selects between self- and bus-powered operation
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(boolean, default is self-powered)
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self-powered:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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selects between self- and bus-powered operation
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(boolean, default is self-powered)
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disable-hi-speed:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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disable USB Hi-Speed support (boolean)
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multi-tt:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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selects between multi- and single-transaction-translator
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(boolean, default is multi-tt)
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single-tt:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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selects between multi- and single-transaction-translator
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(boolean, default is multi-tt)
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disable-eop:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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disable End of Packet generation in full-speed mode (boolean)
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ganged-sensing:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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select over-current sense type in self-powered mode
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(boolean, default is individual)
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individual-sensing:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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select over-current sense type in self-powered mode
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(boolean, default is individual)
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ganged-port-switching:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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select port power switching mode (boolean, default is individual)
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individual-port-switching:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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select port power switching mode (boolean, default is individual)
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dynamic-power-switching:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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enable auto-switching from self- to bus-powered operation if the
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local power source is removed or unavailable (boolean)
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oc-delay-us:
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enum: [100, 4000, 8000, 16000]
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default: 8000
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description: |
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Delay time (in microseconds) for filtering the over-current sense
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inputs. If an invalid value is given, the default is used instead.
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compound-device:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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indicate the hub is part of a compound device (boolean)
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port-mapping-mode:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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enable port mapping mode (boolean)
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led-usb-mode:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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led usb/speed indication mode selection (boolean, default is speed mode)
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led-speed-mode:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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led usb/speed indication mode selection (boolean, default is speed mode)
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string-support:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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enable string descriptor support (required for manufacturer, product
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and serial string configuration)
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non-removable-ports:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description: |
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Should specify the ports which have a non-removable device connected.
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sp-disabled-ports:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description: |
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Specifies the ports which will be self-power disabled
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bp-disabled-ports:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description: |
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Specifies the ports which will be bus-power disabled
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sp-max-total-current-microamp:
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maximum: 100000
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default: 1000
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description: |
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Specifies max current consumed by the hub from VBUS when
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operating in self-powered hub. It includes the hub silicon
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along with all associated circuitry including a permanently
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attached peripheral.
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bp-max-total-current-microamp:
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maximum: 510000
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default: 100000
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description: |
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Specifies max current consumed by the hub from VBUS when
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operating in self-powered hub. It includes the hub silicon
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along with all associated circuitry including a permanently
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attached peripheral.
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sp-max-removable-current-microamp:
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maximum: 100000
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default: 1000
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description: |
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Specifies max current consumed by the hub from VBUS when
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operating in self-powered hub. It includes the hub silicon
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along with all associated circuitry excluding a permanently
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attached peripheral.
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bp-max-removable-current-microamp:
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maximum: 510000
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default: 100000
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description: |
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Specifies max current consumed by the hub from VBUS when
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operating in self-powered hub. It includes the hub silicon
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along with all associated circuitry excluding a permanently
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attached peripheral.
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power-on-time-ms:
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maximum: 510
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default: 100
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description: |
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Specifies the time it takes from the time the host initiates the
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power-on sequence to a port until the port has adequate power.
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swap-dx-lanes:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description: |
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Specifies the ports which will swap the differential-pair (D+/D-),
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default is not-swapped.
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additionalProperties: false
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required:
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- compatible
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- reg
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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usb-hub@2c {
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compatible = "microchip,usb2512b";
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reg = <0x2c>;
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reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
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};
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usb-hub@2d {
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compatible = "microchip,usb2514b";
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reg = <0x2d>;
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vendor-id = /bits/ 16 <0x0000>;
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product-id = /bits/ 16 <0x0000>;
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string-support;
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manufacturer = "Foo";
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product = "Foo-Bar";
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serial = "1234567890A";
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/* correct misplaced usb connectors on port 1,2 */
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swap-dx-lanes = <1 2>;
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};
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};
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