1 What: /sys/class/udc/<udc>/a_alt_hnp_support 2 Date: June 2011 3 KernelVersion: 3.1 4 Contact: Felipe Balbi <balbi@kernel.org> 5 Description: 6 Indicates if an OTG A-Host supports HNP at an alternate port. 7 Users: 8 9 What: /sys/class/udc/<udc>/a_hnp_support 10 Date: June 2011 11 KernelVersion: 3.1 12 Contact: Felipe Balbi <balbi@kernel.org> 13 Description: 14 Indicates if an OTG A-Host supports HNP at this port. 15 Users: 16 17 What: /sys/class/udc/<udc>/b_hnp_enable 18 Date: June 2011 19 KernelVersion: 3.1 20 Contact: Felipe Balbi <balbi@kernel.org> 21 Description: 22 Indicates if an OTG A-Host enabled HNP support. 23 Users: 24 25 What: /sys/class/udc/<udc>/current_speed 26 Date: June 2011 27 KernelVersion: 3.1 28 Contact: Felipe Balbi <balbi@kernel.org> 29 Description: 30 Indicates the current negotiated speed at this port. 31 Users: 32 33 What: /sys/class/udc/<udc>/is_a_peripheral 34 Date: June 2011 35 KernelVersion: 3.1 36 Contact: Felipe Balbi <balbi@kernel.org> 37 Description: 38 Indicates that this port is the default Host on an OTG session 39 but HNP was used to switch roles. 40 Users: 41 42 What: /sys/class/udc/<udc>/is_otg 43 Date: June 2011 44 KernelVersion: 3.1 45 Contact: Felipe Balbi <balbi@kernel.org> 46 Description: 47 Indicates that this port support OTG. 48 Users: 49 50 What: /sys/class/udc/<udc>/maximum_speed 51 Date: June 2011 52 KernelVersion: 3.1 53 Contact: Felipe Balbi <balbi@kernel.org> 54 Description: 55 Indicates the maximum USB speed supported by this port. 56 Users: 57 58 What: /sys/class/udc/<udc>/soft_connect 59 Date: June 2011 60 KernelVersion: 3.1 61 Contact: Felipe Balbi <balbi@kernel.org> 62 Description: 63 Allows users to disconnect data pullup resistors thus causing a 64 logical disconnection from the USB Host. 65 Users: 66 67 What: /sys/class/udc/<udc>/srp 68 Date: June 2011 69 KernelVersion: 3.1 70 Contact: Felipe Balbi <balbi@kernel.org> 71 Description: 72 Allows users to manually start Session Request Protocol. 73 Users: 74 75 What: /sys/class/udc/<udc>/state 76 Date: June 2011 77 KernelVersion: 3.1 78 Contact: Felipe Balbi <balbi@kernel.org> 79 Description: 80 Indicates current state of the USB Device Controller. Valid 81 states are: 'not-attached', 'attached', 'powered', 82 'reconnecting', 'unauthenticated', 'default', 'addressed', 83 'configured', and 'suspended'; however not all USB Device 84 Controllers support reporting all states. 85 Users: 86 87 What: /sys/class/udc/<udc>/function 88 Date: June 2017 89 KernelVersion: 4.13 90 Contact: Felipe Balbi <balbi@kernel.org> 91 Description: 92 Prints out name of currently running USB Gadget Driver. 93 Users:
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