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Commit f646cf94 authored by Toshiharu Okada's avatar Toshiharu Okada Committed by Greg Kroah-Hartman
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USB device driver of Topcliff PCH 



This patch adds the USB device driver of EG20T(Topcliff) PCH.

EG20T PCH is the platform controller hub that is going to be used in
Intel's upcoming general embedded platform. All IO peripherals in
EG20T PCH are actually devices sitting on AMBA bus.
EG20T PCH has USB device I/F. Using this I/F, it is able to access system
devices connected to USB device.

Signed-off-by: default avatarToshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Acked-by: default avatarMichał Nazarewicz <m.nazarewicz@samsung.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent d8df0b61

drivers/usb/gadget/Kconfig

+22 −0
Original line number Diff line number Diff line
@@ -495,6 +495,28 @@ config USB_LANGWELL 
	default USB_GADGET

	select USB_GADGET_SELECTED



config USB_GADGET_EG20T

	boolean "Intel EG20T(Topcliff) USB Device controller"

	depends on PCI

	select USB_GADGET_DUALSPEED

	help

	  This is a USB device driver for EG20T PCH.

	  EG20T PCH is the platform controller hub that is used in Intel's

	  general embedded platform. EG20T PCH has USB device interface.

	  Using this interface, it is able to access system devices connected

	  to USB device.

	  This driver enables USB device function.

	  USB device is a USB peripheral controller which

	  supports both full and high speed USB 2.0 data transfers.

	  This driver supports both control transfer and bulk transfer modes.

	  This driver dose not support interrupt transfer or isochronous

	  transfer modes.



config USB_EG20T

	tristate

	depends on USB_GADGET_EG20T

	default USB_GADGET

	select USB_GADGET_SELECTED



#

# LAST -- dummy/emulated controller

drivers/usb/gadget/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ obj-$(CONFIG_USB_FSL_QE) += fsl_qe_udc.o 
obj-$(CONFIG_USB_CI13XXX)	+= ci13xxx_udc.o

obj-$(CONFIG_USB_S3C_HSOTG)	+= s3c-hsotg.o

obj-$(CONFIG_USB_LANGWELL)	+= langwell_udc.o

obj-$(CONFIG_USB_EG20T)		+= pch_udc.o



#

# USB gadget drivers

drivers/usb/gadget/gadget_chips.h

+7 −0
Original line number Diff line number Diff line
@@ -142,6 +142,11 @@ 
#define gadget_is_s3c_hsotg(g)    0

#endif



#ifdef CONFIG_USB_GADGET_EG20T

#define	gadget_is_pch(g)	(!strcmp("pch_udc", (g)->name))

#else

#define	gadget_is_pch(g)	0

#endif



/**

 * usb_gadget_controller_number - support bcdDevice id convention
@@ -200,6 +205,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget) 
		return 0x25;

	else if (gadget_is_s3c_hsotg(gadget))

		return 0x26;

	else if (gadget_is_pch(gadget))

		return 0x27;

	return -ENOENT;

}

drivers/usb/gadget/pch_udc.c

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+2941 −0

File added.

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