[PATCH] add a PHY driver Rockchip RK3288 USB2 PHY

[LiYunzhi <lyz@rock-chips.com>]

From: lyz <lyz@rock-chips.com>

This patche to add a generic PHY driver for ROCKCHIP usb PHYs,
currently this driver can support RK3288. The RK3288 SoC have
three independent USB PHY IPs which are all configured through a
set of registers located in the GRF (general register files)
module. This driver powered off these USB PHYs and gating
their clocks when system suspend for saving power.

lyz (1):
  phy: add Rockchip RK3288 USB2 PHY driver.

 .../devicetree/bindings/phy/rockchip-usb-phy.txt   |  17 ++
 drivers/phy/Kconfig                                |   7 +
 drivers/phy/Makefile                               |   1 +
 drivers/phy/phy-rockchip-usb.c                     | 179 +++++++++++++++++++++
 4 files changed, 204 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt
 create mode 100644 drivers/phy/phy-rockchip-usb.c

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2.0.0