[PATCH 08/11] MXS: Add imx-otg driver

[Sascha Hauer]

On Tue, Apr 24, 2012 at 04:48:14PM +0200, Lothar Waßmann wrote:
> Hi,
> 
> Marek Vasut writes:
> > This driver handles claiming of clocks and memory areas. These are later
> > properly delegated to it's child devices, the USB Host (ehci-mxs) and
> > USB Gadget (ci13xxx-mxs).
> > 
> > Signed-off-by: Marek Vasut <marex at denx.de>
> > Cc: Chen Peter-B29397 <B29397 at freescale.com>
> > Cc: Detlev Zundel <dzu at denx.de>
> > Cc: Fabio Estevam <festevam at gmail.com>
> > Cc: Li Frank-B20596 <B20596 at freescale.com>
> > Cc: Lin Tony-B19295 <B19295 at freescale.com>
> > Cc: Linux USB <linux-usb at vger.kernel.org>
> > Cc: Sascha Hauer <s.hauer at pengutronix.de>
> > Cc: Shawn Guo <shawn.guo at freescale.com>
> > Cc: Shawn Guo <shawn.guo at linaro.org>
> > Cc: Stefano Babic <sbabic at denx.de>
> > Cc: Subodh Nijsure <snijsure at grid-net.com>
> > Cc: Tony Lin <tony.lin at freescale.com>
> > Cc: Wolfgang Denk <wd at denx.de>
> > ---
> >  drivers/usb/otg/Kconfig   |    6 +
> >  drivers/usb/otg/Makefile  |    1 +
> >  drivers/usb/otg/imx-otg.c |  473 +++++++++++++++++++++++++++++++++++++++++++++
> >  3 files changed, 480 insertions(+)
> >  create mode 100644 drivers/usb/otg/imx-otg.c
> > 
> > diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
> > index 5c87db0..e7c6325 100644
> > --- a/drivers/usb/otg/Kconfig
> > +++ b/drivers/usb/otg/Kconfig
> > @@ -116,6 +116,12 @@ config FSL_USB2_OTG
> >  	help
> >  	  Enable this to support Freescale USB OTG transceiver.
> >  
> > +config USB_IMX_COMPOSITE
> > +	bool
> > +	help
> > +	  Composite driver that handles clock and memory mapping for
> > +	  i.MX USB host and USB PHY.
> > +
> >  config USB_MV_OTG
> >  	tristate "Marvell USB OTG support"
> >  	depends on USB_EHCI_MV && USB_MV_UDC && USB_SUSPEND
> > diff --git a/drivers/usb/otg/Makefile b/drivers/usb/otg/Makefile
> > index 41aa509..7d2c631 100644
> > --- a/drivers/usb/otg/Makefile
> > +++ b/drivers/usb/otg/Makefile
> > @@ -20,4 +20,5 @@ obj-$(CONFIG_USB_MSM_OTG)	+= msm_otg.o
> >  obj-$(CONFIG_AB8500_USB)	+= ab8500-usb.o
> >  fsl_usb2_otg-objs		:= fsl_otg.o otg_fsm.o
> >  obj-$(CONFIG_FSL_USB2_OTG)	+= fsl_usb2_otg.o
> > +obj-$(CONFIG_USB_IMX_COMPOSITE)	+= imx-otg.o
> >  obj-$(CONFIG_USB_MV_OTG)	+= mv_otg.o
> > diff --git a/drivers/usb/otg/imx-otg.c b/drivers/usb/otg/imx-otg.c
> > new file mode 100644
> > index 0000000..8440d909
> > --- /dev/null
> > +++ b/drivers/usb/otg/imx-otg.c
> > @@ -0,0 +1,473 @@
> > +/*
> > + * drivers/usb/otg/imx-otg.c
> > + *
> > + * Freescale i.MX USB composite driver.
> > + *
> > + * Copyright (C) 2012 Marek Vasut <marex at denx.de>
> > + * on behalf of DENX Software Engineering GmbH
> > + *
> > + * This program is free software; you can redistribute it and/or modify
> > + * it under the terms of the GNU General Public License as published by
> > + * the Free Software Foundation; either version 2 of the License, or
> > + * (at your option) any later version.
> > + *
> > + * This program is distributed in the hope that it will be useful,
> > + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> > + * GNU General Public License for more details.
> > + *
> > + * You should have received a copy of the GNU General Public License
> > + * along with this program; if not, write to the Free Software
> > + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
> > + */
> > +
> Why do you call this driver imx-otg when it is actually MXS specific?
> How would you call a corresponding driver for the remaining i.MX
> processors?

This is the driver for the all i.MX processors.

Sascha

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