942cdbc168
role-switch-default-mode property may be used with usb-role-switch property to define the default operation mode (by forcing the a-valid or b-valid) at init. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Link: https://lore.kernel.org/r/1638806203-6624-2-git-send-email-fabrice.gasnier@foss.st.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
174 lines
4.2 KiB
YAML
174 lines
4.2 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/dwc2.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: DesignWare HS OTG USB 2.0 controller Bindings
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maintainers:
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- Rob Herring <robh@kernel.org>
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allOf:
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- $ref: usb-drd.yaml#
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properties:
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compatible:
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oneOf:
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- const: brcm,bcm2835-usb
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- const: hisilicon,hi6220-usb
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- items:
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- const: rockchip,rk3066-usb
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- const: snps,dwc2
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- items:
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- enum:
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- rockchip,px30-usb
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- rockchip,rk3036-usb
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- rockchip,rk3188-usb
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- rockchip,rk3228-usb
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- rockchip,rk3288-usb
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- rockchip,rk3308-usb
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- rockchip,rk3328-usb
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- rockchip,rk3368-usb
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- rockchip,rv1108-usb
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- const: rockchip,rk3066-usb
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- const: snps,dwc2
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- const: lantiq,arx100-usb
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- const: lantiq,xrx200-usb
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- items:
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- enum:
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- amlogic,meson8-usb
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- amlogic,meson8b-usb
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- amlogic,meson-gxbb-usb
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- amlogic,meson-g12a-usb
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- const: snps,dwc2
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- const: amcc,dwc-otg
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- const: apm,apm82181-dwc-otg
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- const: snps,dwc2
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- const: st,stm32f4x9-fsotg
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- const: st,stm32f4x9-hsotg
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- const: st,stm32f7-hsotg
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- const: st,stm32mp15-fsotg
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- items:
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- const: st,stm32mp15-hsotg
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- const: snps,dwc2
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- const: samsung,s3c6400-hsotg
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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items:
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- const: otg
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resets:
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items:
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- description: common reset
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- description: ecc reset
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minItems: 1
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reset-names:
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items:
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- const: dwc2
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- const: dwc2-ecc
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minItems: 1
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phys:
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maxItems: 1
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phy-names:
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const: usb2-phy
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power-domains:
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maxItems: 1
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vbus-supply:
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description: reference to the VBUS regulator. Depending on the current mode
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this is enabled (in "host" mode") or disabled (in "peripheral" mode). The
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regulator is updated if the controller is configured in "otg" mode and the
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status changes between "host" and "peripheral".
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vusb_d-supply:
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description: phandle to voltage regulator of digital section,
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vusb_a-supply:
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description: phandle to voltage regulator of analog section.
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usb33d-supply:
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description: reference to the VBUS and ID sensing comparators supply, in
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order to perform OTG operation, used on STM32MP15 SoCs.
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dr_mode: true
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otg-rev: true
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hnp-disable: true
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srp-disable: true
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usb-role-switch: true
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role-switch-default-mode: true
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g-rx-fifo-size:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: size of rx fifo size in gadget mode.
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g-np-tx-fifo-size:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: size of non-periodic tx fifo size in gadget mode.
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g-tx-fifo-size:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description: size of periodic tx fifo per endpoint (except ep0) in gadget mode.
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snps,need-phy-for-wake:
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$ref: /schemas/types.yaml#/definitions/flag
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description: If present indicates that the phy needs to be left on for
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remote wakeup during suspend.
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snps,reset-phy-on-wake:
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$ref: /schemas/types.yaml#/definitions/flag
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description: If present indicates that we need to reset the PHY when we
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detect a wakeup. This is due to a hardware errata.
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port:
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description:
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Any connector to the data bus of this controller should be modelled
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using the OF graph bindings specified, if the "usb-role-switch"
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property is used.
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$ref: /schemas/graph.yaml#/properties/port
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dependencies:
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port: [ usb-role-switch ]
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role-switch-default-mode: [ usb-role-switch ]
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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additionalProperties: false
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examples:
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- |
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usb@101c0000 {
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compatible = "rockchip,rk3066-usb", "snps,dwc2";
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reg = <0x10180000 0x40000>;
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interrupts = <18>;
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clocks = <&usb_otg_ahb_clk>;
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clock-names = "otg";
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phys = <&usbphy>;
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phy-names = "usb2-phy";
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};
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...
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