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diff --git a/dts/Bindings/phy/uniphier-usb3-hsphy.txt b/dts/Bindings/phy/uniphier-usb3-hsphy.txt
deleted file mode 100644
index 093d4f0870..0000000000
--- a/dts/Bindings/phy/uniphier-usb3-hsphy.txt
+++ /dev/null
@@ -1,69 +0,0 @@
-Socionext UniPhier USB3 High-Speed (HS) PHY
-
-This describes the devicetree bindings for PHY interfaces built into
-USB3 controller implemented on Socionext UniPhier SoCs.
-Although the controller includes High-Speed PHY and Super-Speed PHY,
-this describes about High-Speed PHY.
-
-Required properties:
-- compatible: Should contain one of the following:
-    "socionext,uniphier-pro5-usb3-hsphy" - for Pro5 SoC
-    "socionext,uniphier-pxs2-usb3-hsphy" - for PXs2 SoC
-    "socionext,uniphier-ld20-usb3-hsphy" - for LD20 SoC
-    "socionext,uniphier-pxs3-usb3-hsphy" - for PXs3 SoC
-- reg: Specifies offset and length of the register set for the device.
-- #phy-cells: Should be 0.
-- clocks: A list of phandles to the clock gate for USB3 glue layer.
-	According to the clock-names, appropriate clocks are required.
-- clock-names: Should contain the following:
-    "gio", "link" - for Pro5 SoC
-    "phy", "phy-ext", "link" - for PXs3 SoC, "phy-ext" is optional.
-    "phy", "link" - for others
-- resets: A list of phandles to the reset control for USB3 glue layer.
-	According to the reset-names, appropriate resets are required.
-- reset-names: Should contain the following:
-    "gio", "link" - for Pro5 SoC
-    "phy", "link" - for others
-
-Optional properties:
-- vbus-supply: A phandle to the regulator for USB VBUS.
-- nvmem-cells: Phandles to nvmem cell that contains the trimming data.
-	Available only for HS-PHY implemented on LD20 and PXs3, and
-	if unspecified, default value is used.
-- nvmem-cell-names: Should be the following names, which correspond to
-	each nvmem-cells.
-	All of the 3 parameters associated with the following names are
-	required for each port, if any one is omitted, the trimming data
-	of the port will not be set at all.
-    "rterm", "sel_t", "hs_i" - Each cell name for phy parameters
-
-Refer to phy/phy-bindings.txt for the generic PHY binding properties.
-
-Example:
-
-	usb-glue@65b00000 {
-		compatible = "socionext,uniphier-ld20-dwc3-glue",
-			     "simple-mfd";
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges = <0 0x65b00000 0x400>;
-
-		usb_vbus0: regulator {
-			...
-		};
-
-		usb_hsphy0: hs-phy@200 {
-			compatible = "socionext,uniphier-ld20-usb3-hsphy";
-			reg = <0x200 0x10>;
-			#phy-cells = <0>;
-			clock-names = "link", "phy";
-			clocks = <&sys_clk 14>, <&sys_clk 16>;
-			reset-names = "link", "phy";
-			resets = <&sys_rst 14>, <&sys_rst 16>;
-			vbus-supply = <&usb_vbus0>;
-			nvmem-cell-names = "rterm", "sel_t", "hs_i";
-			nvmem-cells = <&usb_rterm0>, <&usb_sel_t0>,
-				      <&usb_hs_i0>;
-		};
-		...
-	};