[RFC PATCH 00/10 V2] MXS: Add i.MX28 USB Host driver

[Marek Vasut]

Dear Chen Peter-B29397,

> > This patchset introduces the USB Host driver for i.MX28 CPU, utilising
> > the
> > generic USB PHY infrastructure.
> > 
> > V2: Introduce stub imx-usb driver that then registers the PHY and EHCI
> > drivers.
> 
> - Currently, there is no generic PHY layer, so only one host/device can be
> supported.
> 
> - Now, the PHY and OTG is separated, it is better to put PHY driver to
> drivers/usb/phy/

There is no drivers/usb/phy ...

> 
> - mx23, mx28, mx6q uses the same PHY (FSL PHY), it is better to use the phy
> driver name as imx-phy.c.

Why? mxs == mx23,28,6q and mxc == the rest ... seems to me to be pretty well 
rooted terminology already.

> 
> > Marek Vasut (10):
> >   MXS: Make clk_disable return integer
> >   MXS: Add USB EHCI and USB PHY clock handling
> >   MXS: Fixup i.MX233 USB base address name
> >   MXS: Add data shared between imx-usb, PHY and EHCI driver
> >   MXS: Add platform registration hooks for USB EHCI
> >   MXS: Add composite imx-usb driver
> >   MXS: Add USB PHY driver
> >   MXS: Add separate MXS EHCI HCD driver
> >   MXS: Enable USB on M28EVK
> >   MXS: Enable USB on MX28EVK
> >  
> >  arch/arm/mach-mxs/Kconfig                       |    4 +
> >  arch/arm/mach-mxs/clock-mx28.c                  |   28 ++-
> >  arch/arm/mach-mxs/devices-mx28.h                |    4 +
> >  arch/arm/mach-mxs/devices/Kconfig               |    3 +
> >  arch/arm/mach-mxs/devices/Makefile              |    1 +
> >  arch/arm/mach-mxs/devices/platform-usb.c        |   67 +++++
> >  arch/arm/mach-mxs/include/mach/clock.h          |    2 +-
> >  arch/arm/mach-mxs/include/mach/devices-common.h |    9 +
> >  arch/arm/mach-mxs/include/mach/mx23.h           |    8 +-
> >  arch/arm/mach-mxs/mach-m28evk.c                 |    9 +
> >  arch/arm/mach-mxs/mach-mx28evk.c                |   10 +
> >  drivers/usb/host/Kconfig                        |    7 +
> >  drivers/usb/host/ehci-hcd.c                     |    5 +
> >  drivers/usb/host/ehci-mxs.c                     |  254
> > 
> > +++++++++++++++++++
> > 
> >  drivers/usb/otg/Kconfig                         |   16 ++
> >  drivers/usb/otg/Makefile                        |    2 +
> >  drivers/usb/otg/imx-usb.c                       |  303
> > 
> > +++++++++++++++++++++++
> > 
> >  drivers/usb/otg/mxs-phy.c                       |  201 +++++++++++++++
> >  include/linux/fsl_devices.h                     |   15 ++
> >  19 files changed, 939 insertions(+), 9 deletions(-)
> >  create mode 100644 arch/arm/mach-mxs/devices/platform-usb.c
> >  create mode 100644 drivers/usb/host/ehci-mxs.c
> >  create mode 100644 drivers/usb/otg/imx-usb.c
> >  create mode 100644 drivers/usb/otg/mxs-phy.c
> > 
> > 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>
> > --
> > 1.7.9.5

Best regards,
Marek Vasut