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Commit 630a84a1 authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Felipe Balbi
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usb: renesas_usbhs: Add device tree bindings documentation 



Document the device tree bindings for the Renesas USBHS controller.

Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent a5e4aa4d

Documentation/devicetree/bindings/usb/renesas_usbhs.txt

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Renesas Electronics USBHS driver



Required properties:

  - compatible: Must contain one of the following:

	- "renesas,usbhs-r8a7790"

	- "renesas,usbhs-r8a7791"

  - reg: Base address and length of the register for the USBHS

  - interrupts: Interrupt specifier for the USBHS

  - clocks: A list of phandle + clock specifier pairs



Optional properties:

  - renesas,buswait: Integer to use BUSWAIT register

  - renesas,enable-gpio: A gpio specifier to check GPIO determining if USB

			 function should be enabled

  - phys: phandle + phy specifier pair

  - phy-names: must be "usb"



Example:

	usbhs: usb@e6590000 {

		compatible = "renesas,usbhs-r8a7790";

		reg = <0 0xe6590000 0 0x100>;

		interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;

		clocks = <&mstp7_clks R8A7790_CLK_HSUSB>;

	};