With split transaction, dwc2 host controller can handle full- and
low-speed devices on hub in high-speed mode. This commit adds support
for split control and interrupt transfers
(For cherry-picking, register definitions added to dw2c_registers.h
in the master branch were moved to dwc2_private.h)
BUG=None
TEST=Connect usb keyboard through hub, usb keyboard can work
BRANCH=None
Change-Id: I07e64064c6182d33905ae4efb13712645de7cf93
Signed-off-by: Yunzhi Li <lyz@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/283282
Tested-by: Lin Huang <hl@rock-chips.com>
Commit-Queue: Lin Huang <hl@rock-chips.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/285837
Commit-Queue: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>