tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1What: /sys/bus/platform/devices/ci_hdrc.0/role
2Date: Mar 2017
3Contact: Peter Chen <peter.chen@nxp.com>
4Description:
5 When read, it returns string "gadget" or "host", indicating
6 the current controller role.
7
8 It will do role switch when "gadget" or "host" is written to it.
9 Only controller at dual-role configuration supports writing.