phy: Add usb phy support for hi3660 Soc of Hisilicon

This driver handles usb phy power on and shutdown for hi3660 Soc of
Hisilicon.

Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Pengcheng Li <lpc.li@hisilicon.com>
Cc: Jianguo Sun <sunjianguo1@huawei.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Jiancheng Xue <xuejiancheng@hisilicon.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Binghui Wang <wangbinghui@hisilicon.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Yu Chen <chenyu56@huawei.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 1d308fd..eec8ef9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16079,6 +16079,14 @@
 S:	Maintained
 F:	drivers/usb/roles/intel-xhci-usb-role-switch.c
 
+USB IP DRIVER FOR HISILICON KIRIN
+M:	Yu Chen <chenyu56@huawei.com>
+M:	Binghui Wang <wangbinghui@hisilicon.com>
+L:	linux-usb@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/phy/phy-hi3660-usb3.txt
+F:	drivers/phy/hisilicon/phy-hi3660-usb3.c
+
 USB ISP116X DRIVER
 M:	Olav Kongas <ok@artecdesign.ee>
 L:	linux-usb@vger.kernel.org