| 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>/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: | |
| What: /sys/class/udc/<udc>/function | |
| Date: June 2017 | |
| KernelVersion: 4.13 | |
| Contact: Felipe Balbi <balbi@kernel.org> | |
| Description: | |
| Prints out name of currently running USB Gadget Driver. | |
| Users: |