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Commit 2d53139f authored by David Mosberger's avatar David Mosberger Committed by Greg Kroah-Hartman
Browse files

Add support for using a MAX3421E chip as a host driver. 



Signed-off-by: default avatarDavid Mosberger <davidm@egauge.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c6a64de0

drivers/usb/Makefile

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@@ -28,6 +28,7 @@ obj-$(CONFIG_USB_IMX21_HCD) += host/ 
obj-$(CONFIG_USB_FSL_MPH_DR_OF)	+= host/

obj-$(CONFIG_USB_FUSBH200_HCD)	+= host/

obj-$(CONFIG_USB_FOTG210_HCD)	+= host/

obj-$(CONFIG_USB_MAX3421_HCD)	+= host/



obj-$(CONFIG_USB_C67X00_HCD)	+= c67x00/

drivers/usb/host/Kconfig

+11 −0
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@@ -342,6 +342,17 @@ config USB_FOTG210_HCD 
	  To compile this driver as a module, choose M here: the

	  module will be called fotg210-hcd.



config USB_MAX3421_HCD

	tristate "MAX3421 HCD (USB-over-SPI) support"

	depends on USB && SPI

	---help---

	  The Maxim MAX3421E chip supports standard USB 2.0-compliant

	  full-speed devices either in host or peripheral mode.  This

	  driver supports the host-mode of the MAX3421E only.



	  To compile this driver as a module, choose M here: the module will

	  be called max3421-hcd.



config USB_OHCI_HCD

	tristate "OHCI HCD (USB 1.1) support"

	select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3

drivers/usb/host/Makefile

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@@ -70,3 +70,4 @@ obj-$(CONFIG_USB_HCD_BCMA) += bcma-hcd.o 
obj-$(CONFIG_USB_HCD_SSB)	+= ssb-hcd.o

obj-$(CONFIG_USB_FUSBH200_HCD)	+= fusbh200-hcd.o

obj-$(CONFIG_USB_FOTG210_HCD)	+= fotg210-hcd.o

obj-$(CONFIG_USB_MAX3421_HCD)	+= max3421-hcd.o

drivers/usb/host/max3421-hcd.c

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File added.

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include/linux/platform_data/max3421-hcd.h

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/*

 * Copyright (c) 2014 eGauge Systems LLC

 *	Contributed by David Mosberger-Tang <davidm@egauge.net>

 *

 * Platform-data structure for MAX3421 USB HCD driver.

 *

 */

#ifndef MAX3421_HCD_PLAT_H_INCLUDED

#define MAX3421_HCD_PLAT_H_INCLUDED



/*

 * This structure defines the mapping of certain auxiliary functions to the

 * MAX3421E GPIO pins.  The chip has eight GP inputs and eight GP outputs.

 * A value of 0 indicates that the pin is not used/wired to anything.

 *

 * At this point, the only control the max3421-hcd driver cares about is

 * to control Vbus (5V to the peripheral).

 */

struct max3421_hcd_platform_data {

	u8 vbus_gpout;			/* pin controlling Vbus */

};



#endif /* MAX3421_HCD_PLAT_H_INCLUDED */