aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/ABI/stable/sysfs-class-udc
blob: 85d3dac2e204cfb649969ec6f7570522fb59ed4a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
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:

Privacy Policy