Commit 746bfe63 authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Felipe Balbi
Browse files

usb: gadget: renesas_usb3: add support for Renesas USB3.0 peripheral controller 



R-Car H3 has USB3.0 peripheral controllers. This controller's has the
following features:
 - Supports super, high and full speed
 - Contains 30 pipes for bulk or interrupt transfer
 - Contains dedicated DMA controller

This driver doesn't support the dedicated DMAC for now.

Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent a40a0031

Documentation/devicetree/bindings/usb/renesas_usb3.txt

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Renesas Electronics USB3.0 Peripheral driver



Required properties:

  - compatible: Must contain one of the following:

	- "renesas,r8a7795-usb3-peri"

  - reg: Base address and length of the register for the USB3.0 Peripheral

  - interrupts: Interrupt specifier for the USB3.0 Peripheral

  - clocks: clock phandle and specifier pair



Example:

	usb3_peri0: usb@ee020000 {

		compatible = "renesas,r8a7795-usb3-peri";

		reg = <0 0xee020000 0 0x400>;

		interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;

		clocks = <&cpg CPG_MOD 328>;

	};



	usb3_peri1: usb@ee060000 {

		compatible = "renesas,r8a7795-usb3-peri";

		reg = <0 0xee060000 0 0x400>;

		interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;

		clocks = <&cpg CPG_MOD 327>;

	};

drivers/usb/gadget/udc/Kconfig

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@@ -174,6 +174,17 @@ config USB_RENESAS_USBHS_UDC 
	   dynamically linked module called "renesas_usbhs" and force all

	   gadget drivers to also be dynamically linked.



config USB_RENESAS_USB3

	tristate 'Renesas USB3.0 Peripheral controller'

	depends on ARCH_SHMOBILE || COMPILE_TEST

	help

	   Renesas USB3.0 Peripheral controller is a USB peripheral controller

	   that supports super, high, and full speed USB 3.0 data transfers.



	   Say "y" to link the driver statically, or "m" to build a

	   dynamically linked module called "renesas_usb3" and force all

	   gadget drivers to also be dynamically linked.



config USB_PXA27X

	tristate "PXA 27x"

	help

drivers/usb/gadget/udc/Makefile

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@@ -19,6 +19,7 @@ fsl_usb2_udc-y := fsl_udc_core.o 
fsl_usb2_udc-$(CONFIG_ARCH_MXC)	+= fsl_mxc_udc.o

obj-$(CONFIG_USB_M66592)	+= m66592-udc.o

obj-$(CONFIG_USB_R8A66597)	+= r8a66597-udc.o

obj-$(CONFIG_USB_RENESAS_USB3)	+= renesas_usb3.o

obj-$(CONFIG_USB_FSL_QE)	+= fsl_qe_udc.o

obj-$(CONFIG_USB_S3C_HSUDC)	+= s3c-hsudc.o

obj-$(CONFIG_USB_LPC32XX)	+= lpc32xx_udc.o

drivers/usb/gadget/udc/renesas_usb3.c

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File added.

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