[PATCH v2 2/2] phy: rockchip-inno-usb2: add a new driver for Rockchip usb2phy

The newer SoCs (rk3366, rk3399) take a different usb-phy IP block than rk3288 and before, and most of phy-related registers are also different from the past, so a new phy driver is required necessarily. Signed-off-by: Frank Wang --- Changes in v2: - Changed vbus_host

[PATCH v2 2/2] phy: rockchip-inno-usb2: add a new driver for Rockchip usb2phy

The newer SoCs (rk3366, rk3399) take a different usb-phy IP block than rk3288 and before, and most of phy-related registers are also different from the past, so a new phy driver is required necessarily. Signed-off-by: Frank Wang --- Changes in v2: - Changed vbus_host operation from gpio to