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diff --git a/Documentation/devicetree/bindings/usb/mt8173-mtu3.txt b/Documentation/devicetree/bindings/usb/mt8173-mtu3.txt
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index 1d7c3bc677f7..000000000000
--- a/Documentation/devicetree/bindings/usb/mt8173-mtu3.txt
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-The device node for Mediatek USB3.0 DRD controller
-
-Required properties:
- - compatible : should be "mediatek,mt8173-mtu3"
- - reg : specifies physical base address and size of the registers
- - reg-names: should be "mac" for device IP and "ippc" for IP port control
- - interrupts : interrupt used by the device IP
- - power-domains : a phandle to USB power domain node to control USB's
-	mtcmos
- - vusb33-supply : regulator of USB avdd3.3v
- - clocks : a list of phandle + clock-specifier pairs, one for each
-	entry in clock-names
- - clock-names : must contain "sys_ck" and "ref_ck" for clock of controller;
-	"wakeup_deb_p0" and "wakeup_deb_p1" are optional, they are
-	depends on "mediatek,enable-wakeup"
- - phys : a list of phandle + phy specifier pairs
- - dr_mode : should be one of "host", "peripheral" or "otg",
-	refer to usb/generic.txt
-
-Optional properties:
- - #address-cells, #size-cells : should be '2' if the device has sub-nodes
-	with 'reg' property
- - ranges : allows valid 1:1 translation between child's address space and
-	parent's address space
- - extcon : external connector for vbus and idpin changes detection, needed
-	when supports dual-role mode.
- - vbus-supply : reference to the VBUS regulator, needed when supports
-	dual-role mode.
- - pinctl-names : a pinctrl state named "default" must be defined,
-	"id_float" and "id_ground" are optinal which depends on
-	"mediatek,enable-manual-drd"
- - pinctrl-0 : pin control group
-	See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
-
- - maximum-speed : valid arguments are "super-speed", "high-speed" and
-	"full-speed"; refer to usb/generic.txt
- - enable-manual-drd : supports manual dual-role switch via debugfs; usually
-	used when receptacle is TYPE-A and also wants to support dual-role
-	mode.
- - mediatek,enable-wakeup : supports ip sleep wakeup used by host mode
- - mediatek,syscon-wakeup : phandle to syscon used to access USB wakeup
-	control register, it depends on "mediatek,enable-wakeup".
-
-Sub-nodes:
-The xhci should be added as subnode to mtu3 as shown in the following example
-if host mode is enabled. The DT binding details of xhci can be found in:
-Documentation/devicetree/bindings/usb/mt8173-xhci.txt
-
-Example:
-ssusb: usb@11271000 {
-	compatible = "mediatek,mt8173-mtu3";
-	reg = <0 0x11271000 0 0x3000>,
-	      <0 0x11280700 0 0x0100>;
-	reg-names = "mac", "ippc";
-	interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_LOW>;
-	phys = <&phy_port0 PHY_TYPE_USB3>,
-	       <&phy_port1 PHY_TYPE_USB2>;
-	power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>;
-	clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>,
-		 <&pericfg CLK_PERI_USB0>,
-		 <&pericfg CLK_PERI_USB1>;
-	clock-names = "sys_ck", "ref_ck",
-		      "wakeup_deb_p0",
-		      "wakeup_deb_p1";
-	vusb33-supply = <&mt6397_vusb_reg>;
-	vbus-supply = <&usb_p0_vbus>;
-	extcon = <&extcon_usb>;
-	dr_mode = "otg";
-	mediatek,enable-wakeup;
-	mediatek,syscon-wakeup = <&pericfg>;
-	#address-cells = <2>;
-	#size-cells = <2>;
-	ranges;
-	status = "disabled";
-
-	usb_host: xhci@11270000 {
-		compatible = "mediatek,mt8173-xhci";
-		reg = <0 0x11270000 0 0x1000>;
-		reg-names = "mac";
-		interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
-		power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>;
-		clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>;
-		clock-names = "sys_ck", "ref_ck";
-		vusb33-supply = <&mt6397_vusb_reg>;
-		status = "disabled";
-	};
-};