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|
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/dwc2.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: DesignWare HS OTG USB 2.0 controller Bindings
maintainers:
- Rob Herring <robh@kernel.org>
allOf:
- $ref: usb-drd.yaml#
properties:
compatible:
oneOf:
- const: brcm,bcm2835-usb
- const: hisilicon,hi6220-usb
- items:
- const: rockchip,rk3066-usb
- const: snps,dwc2
- items:
- enum:
- rockchip,px30-usb
- rockchip,rk3036-usb
- rockchip,rk3188-usb
- rockchip,rk3228-usb
- rockchip,rk3288-usb
- rockchip,rk3308-usb
- rockchip,rk3328-usb
- rockchip,rk3368-usb
- rockchip,rv1108-usb
- const: rockchip,rk3066-usb
- const: snps,dwc2
- const: lantiq,arx100-usb
- const: lantiq,xrx200-usb
- items:
- enum:
- amlogic,meson8-usb
- amlogic,meson8b-usb
- amlogic,meson-gxbb-usb
- amlogic,meson-g12a-usb
- intel,socfpga-agilex-hsotg
- const: snps,dwc2
- const: amcc,dwc-otg
- const: apm,apm82181-dwc-otg
- const: snps,dwc2
- const: st,stm32f4x9-fsotg
- const: st,stm32f4x9-hsotg
- const: st,stm32f7-hsotg
- const: st,stm32mp15-fsotg
- items:
- const: st,stm32mp15-hsotg
- const: snps,dwc2
- const: samsung,s3c6400-hsotg
- const: intel,socfpga-agilex-hsotg
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
clock-names:
items:
- const: otg
disable-over-current:
type: boolean
description: whether to disable detection of over-current condition.
iommus:
maxItems: 1
resets:
items:
- description: common reset
- description: ecc reset
minItems: 1
reset-names:
items:
- const: dwc2
- const: dwc2-ecc
minItems: 1
phys:
maxItems: 1
phy-names:
const: usb2-phy
power-domains:
maxItems: 1
vbus-supply:
description: reference to the VBUS regulator. Depending on the current mode
this is enabled (in "host" mode") or disabled (in "peripheral" mode). The
regulator is updated if the controller is configured in "otg" mode and the
status changes between "host" and "peripheral".
vusb_d-supply:
description: phandle to voltage regulator of digital section,
vusb_a-supply:
description: phandle to voltage regulator of analog section.
usb33d-supply:
description: reference to the VBUS and ID sensing comparators supply, in
order to perform OTG operation, used on STM32MP15 SoCs.
dr_mode: true
otg-rev: true
hnp-disable: true
srp-disable: true
usb-role-switch: true
role-switch-default-mode: true
g-rx-fifo-size:
$ref: /schemas/types.yaml#/definitions/uint32
description: size of rx fifo size in gadget mode.
g-np-tx-fifo-size:
$ref: /schemas/types.yaml#/definitions/uint32
description: size of non-periodic tx fifo size in gadget mode.
g-tx-fifo-size:
$ref: /schemas/types.yaml#/definitions/uint32-array
description: size of periodic tx fifo per endpoint (except ep0) in gadget mode.
snps,need-phy-for-wake:
$ref: /schemas/types.yaml#/definitions/flag
description: If present indicates that the phy needs to be left on for
remote wakeup during suspend.
snps,reset-phy-on-wake:
$ref: /schemas/types.yaml#/definitions/flag
description: If present indicates that we need to reset the PHY when we
detect a wakeup. This is due to a hardware errata.
port:
description:
Any connector to the data bus of this controller should be modelled
using the OF graph bindings specified, if the "usb-role-switch"
property is used.
$ref: /schemas/graph.yaml#/properties/port
dependencies:
port: [ usb-role-switch ]
role-switch-default-mode: [ usb-role-switch ]
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
additionalProperties: false
examples:
- |
usb@101c0000 {
compatible = "rockchip,rk3066-usb", "snps,dwc2";
reg = <0x10180000 0x40000>;
interrupts = <18>;
clocks = <&usb_otg_ahb_clk>;
clock-names = "otg";
phys = <&usbphy>;
phy-names = "usb2-phy";
};
...
|
