staging: hikey9xx: add USB physical layer for Kirin 3670

Add the Hisilicon Kirin 3670 USB phy driver.

This driver was imported from Linaro's official Hikey 970
tree, from the original patch, removing the addition of
the dwg3-specific parts, and getting the missing SoB from
its original author:

	9d168f580c (diff-93bb70bc97)

[mchehab: moved to staging and dropped Makefile/Kconfig changes]

Signed-off-by: Yu Chen <chenyu56@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/0e6b2fa68cabd317511637fdfdeadc574196ea90.1600338981.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yu Chen 2020-09-17 12:42:05 +02:00 • committed by Greg Kroah-Hartman
commit 8971a3b880
2 changed files with 707 additions and 0 deletions