| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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: |