Documentation: bindings: add compatible entry for Rockchip USB2.0 PHY

[firefly-linux-kernel-4.4.55.git] / Documentation / devicetree / bindings / phy / rockchip-usb-phy.txt

diff --git a/Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt
index 826454ac43bb6c1cee88bfe7aa505cf1cacd5635..db0aa7eb9f682800c08573f33613af6ace950b74 100644 (file)
--- a/Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt
+++ b/Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt
@@ -1,7 +1,12 @@
 ROCKCHIP USB2 PHY
 
 Required properties:
- - compatible: rockchip,rk3288-usb-phy
+ - compatible: matching the soc type, one of
+     "rockchip,rk3066a-usb-phy"
+     "rockchip,rk3188-usb-phy"
+     "rockchip,rk3288-usb-phy"
+     "rockchip,rk336x-usb-phy"
+     "rockchip,rk3399-usb-phy"
  - rockchip,grf : phandle to the syscon managing the "general
    register files"
  - #address-cells: should be 1
@@ -21,6 +26,9 @@ required properties:
 Optional Properties:
 - clocks : phandle + clock specifier for the phy clocks
 - clock-names: string, clock name, must be "phyclk"
+- host_drv_gpio: vbus-drv gpio, pull gpio on/off to
+  control vbus supply.
+- #clock-cells: for users of the phy-pll, should be 0
 
 Example: