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-rw-r--r--Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
index 84d59b0db8df..69041373e018 100644
--- a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
@@ -18,6 +18,10 @@ Optional properties:
usb-phy output 480m and xin24m.
Refer to clk/clock-bindings.txt for generic clock
consumer properties.
+ - rockchip,usbgrf : phandle to the syscon managing the "usb general
+ register files". When set driver will request its
+ phandle as one companion-grf for some special SoCs
+ (e.g RV1108).
Required nodes : a sub-node is required for each port the phy provides.
The sub-node name is used to identify host or otg port,