I noticed that this has been missing for quite some time so I decided it was about time to document it. Signed-off-by: Felipe Balbi <balbi@xxxxxx> --- Documentation/ABI/stable/sysfs-class-udc | 93 ++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 Documentation/ABI/stable/sysfs-class-udc diff --git a/Documentation/ABI/stable/sysfs-class-udc b/Documentation/ABI/stable/sysfs-class-udc new file mode 100644 index 0000000..85d3dac --- /dev/null +++ b/Documentation/ABI/stable/sysfs-class-udc @@ -0,0 +1,93 @@ +What: /sys/class/udc/<udc>/a_alt_hnp_support +Date: June 2011 +KernelVersion: 3.1 +Contact: Felipe Balbi <balbi@xxxxxxxxxx> +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@xxxxxxxxxx> +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@xxxxxxxxxx> +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@xxxxxxxxxx> +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@xxxxxxxxxx> +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@xxxxxxxxxx> +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@xxxxxxxxxx> +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@xxxxxxxxxx> +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@xxxxxxxxxx> +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@xxxxxxxxxx> +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@xxxxxxxxxx> +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: -- 2.1.0.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
