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diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
deleted file mode 100644
index 541f5298827c..000000000000
--- a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
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-ROCKCHIP USB2.0 PHY WITH INNO IP BLOCK
-
-Required properties (phy (parent) node):
- - compatible : should be one of the listed compatibles:
-	* "rockchip,px30-usb2phy"
-	* "rockchip,rk3228-usb2phy"
-	* "rockchip,rk3328-usb2phy"
-	* "rockchip,rk3366-usb2phy"
-	* "rockchip,rk3399-usb2phy"
-	* "rockchip,rv1108-usb2phy"
- - reg : the address offset of grf for usb-phy configuration.
- - #clock-cells : should be 0.
- - clock-output-names : specify the 480m output clock name.
-
-Optional properties:
- - clocks : phandle + phy specifier pair, for the input clock of phy.
- - clock-names : input clock name of phy, must be "phyclk".
- - assigned-clocks : phandle of usb 480m clock.
- - assigned-clock-parents : parent of usb 480m clock, select between
-		 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).
- - extcon : phandle to the extcon device providing the cable state for
-		 the otg phy.
-
-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,
-		 and shall be the following entries:
-	* "otg-port" : the name of otg port.
-	* "host-port" : the name of host port.
-
-Required properties (port (child) node):
- - #phy-cells : must be 0. See ./phy-bindings.txt for details.
- - interrupts : specify an interrupt for each entry in interrupt-names.
- - interrupt-names : a list which should be one of the following cases:
-	Regular case:
-	* "otg-id" : for the otg id interrupt.
-	* "otg-bvalid" : for the otg vbus interrupt.
-	* "linestate" : for the host/otg linestate interrupt.
-	Some SoCs use one interrupt with the above muxed together, so for these
-	* "otg-mux" : otg-port interrupt, which mux otg-id/otg-bvalid/linestate
-		to one.
-
-Optional properties:
- - phy-supply : phandle to a regulator that provides power to VBUS.
-		See ./phy-bindings.txt for details.
-
-Example:
-
-grf: syscon@ff770000 {
-	compatible = "rockchip,rk3366-grf", "syscon", "simple-mfd";
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-...
-
-	u2phy: usb2-phy@700 {
-		compatible = "rockchip,rk3366-usb2phy";
-		reg = <0x700 0x2c>;
-		#clock-cells = <0>;
-		clock-output-names = "sclk_otgphy0_480m";
-
-		u2phy_otg: otg-port {
-			#phy-cells = <0>;
-			interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
-				     <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
-				     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
-			interrupt-names = "otg-id", "otg-bvalid", "linestate";
-		};
-
-		u2phy_host: host-port {
-			#phy-cells = <0>;
-			interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
-			interrupt-names = "linestate";
-		};
-	};
-};