[mirror_ubuntu-bionic-kernel.git] / Documentation / ABI / testing / sysfs-platform-chipidea-usb2

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.
Commit	Line	Data
a932a804 PC	1	What: /sys/bus/platform/devices/ci_hdrc.0/role
	2	Date: Mar 2017
	3	Contact: Peter Chen <peter.chen@nxp.com>
	4	Description:
	5	It returns string "gadget" or "host" when read it, it indicates
	6	current controller role.
	7
	8	It will do role switch when write "gadget" or "host" to it.
	9	Only controller at dual-role configuration supports writing.