# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id:
http://devicetree.org/schemas/usb/usb251xb.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Microchip USB 2.0 Hi-Speed Hub Controller
maintainers:
- Richard Leitner <richard.leitner@skidata.com>
properties:
compatible:
enum:
- microchip,usb2422
- microchip,usb2512b
- microchip,usb2512bi
- microchip,usb2513b
- microchip,usb2513bi
- microchip,usb2514b
- microchip,usb2514bi
- microchip,usb2517
- microchip,usb2517i
- microchip,usb251xb
reg:
maxItems: 1
reset-gpios:
description: |
Should specify the gpio for hub reset
vdd-supply:
description: |
Should specify the phandle to the regulator supplying vdd
skip-config:
$ref: /schemas/types.yaml#/definitions/flag
description: |
Skip Hub configuration, but only send the USB-Attach command
vendor-id:
$ref: /schemas/types.yaml#/definitions/uint16
default: 0x0424
description: |
Set USB Vendor ID of the hub
product-id:
$ref: /schemas/types.yaml#/definitions/uint16
description: |
Set USB Product ID of the hub
device-id:
$ref: /schemas/types.yaml#/definitions/uint16
default: 0x0bb3
description: |
Set USB Device ID of the hub
language-id:
$ref: /schemas/types.yaml#/definitions/uint16
default: 0x0000
description: |
Set USB Language ID
manufacturer:
$ref: /schemas/types.yaml#/definitions/string
description: |
Set USB Manufacturer string (max 31 characters long)
product:
$ref: /schemas/types.yaml#/definitions/string
description: |
Set USB Product string (max 31 characters long)
serial:
$ref: /schemas/types.yaml#/definitions/string
description: |
Set USB Serial string (max 31 characters long)
bus-powered:
$ref: /schemas/types.yaml#/definitions/flag
description: |
selects between self- and bus-powered operation
(boolean, default is self-powered)
self-powered:
$ref: /schemas/types.yaml#/definitions/flag
description: |
selects between self- and bus-powered operation
(boolean, default is self-powered)
disable-hi-speed:
$ref: /schemas/types.yaml#/definitions/flag
description: |
disable USB Hi-Speed support (boolean)
multi-tt:
$ref: /schemas/types.yaml#/definitions/flag
description: |
selects between multi- and single-transaction-translator
(boolean, default is multi-tt)
single-tt:
$ref: /schemas/types.yaml#/definitions/flag
description: |
selects between multi- and single-transaction-translator
(boolean, default is multi-tt)
disable-eop:
$ref: /schemas/types.yaml#/definitions/flag
description: |
disable End of Packet generation in full-speed mode (boolean)
ganged-sensing:
$ref: /schemas/types.yaml#/definitions/flag
description: |
select over-current sense type in self-powered mode
(boolean, default is individual)
individual-sensing:
$ref: /schemas/types.yaml#/definitions/flag
description: |
select over-current sense type in self-powered mode
(boolean, default is individual)
ganged-port-switching:
$ref: /schemas/types.yaml#/definitions/flag
description: |
select port power switching mode (boolean, default is individual)
individual-port-switching:
$ref: /schemas/types.yaml#/definitions/flag
description: |
select port power switching mode (boolean, default is individual)
dynamic-power-switching:
$ref: /schemas/types.yaml#/definitions/flag
description: |
enable auto-switching from self- to bus-powered operation if the
local power source is removed or unavailable (boolean)
oc-delay-us:
enum: [100, 4000, 8000, 16000]
default: 8000
description: |
Delay time (in microseconds) for filtering the over-current sense
inputs. If an invalid value is given, the default is used instead.
compound-device:
$ref: /schemas/types.yaml#/definitions/flag
description: |
indicate the hub is part of a compound device (boolean)
port-mapping-mode:
$ref: /schemas/types.yaml#/definitions/flag
description: |
enable port mapping mode (boolean)
led-usb-mode:
$ref: /schemas/types.yaml#/definitions/flag
description: |
led usb/speed indication mode selection (boolean, default is speed mode)
led-speed-mode:
$ref: /schemas/types.yaml#/definitions/flag
description: |
led usb/speed indication mode selection (boolean, default is speed mode)
string-support:
$ref: /schemas/types.yaml#/definitions/flag
description: |
enable string descriptor support (required for manufacturer, product
and serial string configuration)
non-removable-ports:
$ref: /schemas/types.yaml#/definitions/uint8-array
description: |
Should specify the ports which have a non-removable device connected.
sp-disabled-ports:
$ref: /schemas/types.yaml#/definitions/uint8-array
description: |
Specifies the ports which will be self-power disabled
bp-disabled-ports:
$ref: /schemas/types.yaml#/definitions/uint8-array
description: |
Specifies the ports which will be bus-power disabled
sp-max-total-current-microamp:
maximum: 100000
default: 1000
description: |
Specifies max current consumed by the hub from VBUS when
operating in self-powered hub. It includes the hub silicon
along with all associated circuitry including a permanently
attached peripheral.
bp-max-total-current-microamp:
maximum: 510000
default: 100000
description: |
Specifies max current consumed by the hub from VBUS when
operating in self-powered hub. It includes the hub silicon
along with all associated circuitry including a permanently
attached peripheral.
sp-max-removable-current-microamp:
maximum: 100000
default: 1000
description: |
Specifies max current consumed by the hub from VBUS when
operating in self-powered hub. It includes the hub silicon
along with all associated circuitry excluding a permanently
attached peripheral.
bp-max-removable-current-microamp:
maximum: 510000
default: 100000
description: |
Specifies max current consumed by the hub from VBUS when
operating in self-powered hub. It includes the hub silicon
along with all associated circuitry excluding a permanently
attached peripheral.
power-on-time-ms:
maximum: 510
default: 100
description: |
Specifies the time it takes from the time the host initiates the
power-on sequence to a port until the port has adequate power.
swap-dx-lanes:
$ref: /schemas/types.yaml#/definitions/uint32-array
description: |
Specifies the ports which will swap the differential-pair (D+/D-),
default is not-swapped.
additionalProperties: false
required:
- compatible
- reg
examples:
- |
#include <dt-bindings/gpio/gpio.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
usb-hub@2c {
compatible = "microchip,usb2512b";
reg = <0x2c>;
reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
};
usb-hub@2d {
compatible = "microchip,usb2514b";
reg = <0x2d>;
vendor-id = /bits/ 16 <0x0000>;
product-id = /bits/ 16 <0x0000>;
string-support;
manufacturer = "Foo";
product = "Foo-Bar";
serial = "1234567890A";
/* correct misplaced usb connectors on port 1,2 */
swap-dx-lanes = <1 2>;
};
};
