CONFIG_USB_ROLE_SWITCH: USB Role Switch Support

General informations

The Linux kernel configuration item CONFIG_USB_ROLE_SWITCH has multiple definitions:

USB Role Switch Support found in drivers/usb/roles/Kconfig

The configuration item CONFIG_USB_ROLE_SWITCH:

• prompt: USB Role Switch Support
• type: tristate
• depends on: (none)
• defined in drivers/usb/roles/Kconfig
• found in Linux kernels: 5.0–5.19, 6.0–6.11, 6.12-rc+HEAD
• modules built: roles, roles

Help text

USB Role Switch is a device that can select the USB role - host or device - for a USB port (connector). In most cases dual-role capable USB controller will also represent the switch, but on some platforms multiplexer/demultiplexer switch is used to route the data lines on the USB connector between separate USB host and device controllers.

Say Y here if your USB connectors support both device and host roles. To compile the driver as module, choose M here: the module will be called roles.ko.

found in drivers/usb/Kconfig

The configuration item CONFIG_USB_ROLE_SWITCH:

• prompt:
• type: tristate
• depends on: (none)
• defined in drivers/usb/Kconfig
• found in Linux kernels: 4.17–4.20
• modules built: roles, roles

Help text

(none)

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module roles CONFIG_USB_ROLE_SWITCH : drivers/usb/Kconfig : "" # in 4.17–4.20
• lkddb module roles CONFIG_USB_ROLE_SWITCH : drivers/usb/roles/Kconfig : "USB Role Switch Support" # in 5.0–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb platform "intel_xhci_usb_sw" : CONFIG_OF CONFIG_PCI CONFIG_USB CONFIG_USB_GADGET CONFIG_USB_PHY CONFIG_USB_ROLES_INTEL_XHCI CONFIG_USB_ROLE_SWITCH CONFIG_USB_SUPPORT : drivers/usb/roles/intel-xhci-usb-role-switch.c # in 4.17–4.20, 5.0–5.19, 6.0–6.11, 6.12-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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