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Commit f2918ad8 authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: gadget: udc: document our sysfs ABI 



I noticed that this has been missing for quite
some time so I decided it was about time to
document it.

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 3a571870

Documentation/ABI/stable/sysfs-class-udc

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What:		/sys/class/udc/<udc>/a_alt_hnp_support

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Indicates if an OTG A-Host supports HNP at an alternate port.

Users:



What:		/sys/class/udc/<udc>/a_hnp_support

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Indicates if an OTG A-Host supports HNP at this port.

Users:



What:		/sys/class/udc/<udc>/b_hnp_enable

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Indicates if an OTG A-Host enabled HNP support.

Users:



What:		/sys/class/udc/<udc>/current_speed

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Indicates the current negotiated speed at this port.

Users:



What:		/sys/class/udc/<udc>/is_a_peripheral

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Indicates that this port is the default Host on an OTG session

		but HNP was used to switch roles.

Users:



What:		/sys/class/udc/<udc>/is_otg

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Indicates that this port support OTG.

Users:



What:		/sys/class/udc/<udc>/maximum_speed

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Indicates the maximum USB speed supported by this port.

Users:



What:		/sys/class/udc/<udc>/maximum_speed

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Indicates the maximum USB speed supported by this port.

Users:



What:		/sys/class/udc/<udc>/soft_connect

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Allows users to disconnect data pullup resistors thus causing a

		logical disconnection from the USB Host.

Users:



What:		/sys/class/udc/<udc>/srp

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Allows users to manually start Session Request Protocol.

Users:



What:		/sys/class/udc/<udc>/state

Date:		June 2011

KernelVersion:	3.1

Contact:	Felipe Balbi <balbi@kernel.org>

Description:

		Indicates current state of the USB Device Controller. Valid

		states are: 'not-attached', 'attached', 'powered',

		'reconnecting', 'unauthenticated', 'default', 'addressed',

		'configured', and 'suspended'; however not all USB Device

		Controllers support reporting all states.

Users: