summaryrefslogtreecommitdiff
path: root/Documentation/ABI/testing/sysfs-platform-chipidea-usb2
blob: b0f4684a83fe7ab6d72a9ff780565933833c64a0 (plain)
1
2
3
4
5
6
7
8
9
What:		/sys/bus/platform/devices/ci_hdrc.0/role
Date:		Mar 2017
Contact:	Peter Chen <peter.chen@nxp.com>
Description:
		It returns string "gadget" or "host" when read it, it indicates
		current controller role.

		It will do role switch when write "gadget" or "host" to it.
		Only controller at dual-role configuration supports writing.