On 07/27/2011 07:29 AM, Tony Lin wrote:

this patch series is to add mx28 usb host function.
the driver only support usb host mode on usb port1.
the driver reuses ehci-mxc.c under usb/host, but add
platform irq handler routines if platform wants to 
do something specific in irq handler.
the patch also consolidates some macro definitions
and structure definitions to make ehci-mxc.c better
reusable among mxs/mxc platforms.

Code is based on the branch for-next in sascha's tree http://git.pengutronix.de/git/imx/linux-2.6.git

Tested on MX28 EVK.

changes since v2:
 * add error condition clean up code.
 * remove unnecessary initial code.
 * change file name from regs-usbphy-mx28 to regs-usbphy-mxs.h.

changes since v1:
 * add dummy clock to avoid adding cpu judgement in driver for Sascha's request.

What about providing dummy clock definitions to the mxc's that don't
have the clocks, too. This way you can remove all the cpu_is from
"drivers/usb/host/ehci-mxc.c". You don't have to add all cpu_is_mx* to
your "arch/arm/mach-mxs/include/mach/mxs.h".

 * use context in phy functions, so that usb device could share the code.
 * some code consolidation and patch reorgnization.
 * error checking improvement.
 * remove a few unneccesary code.

Tony Lin (6):
  ARM: mxs: ehci: consolidate definitions and structures to share among platforms
  ARM: mxs: enable usb1 phy power supply
  ARM: mxs: add usb clocks to clock tree
  ARM: mxs: make ehci-mxc more flexible to be used on different platforms
  ARM: mxs: add usb phy operations
  ARM: mxs: add usb host function to default config

 arch/arm/configs/mxs_defconfig            |    8 +-
 arch/arm/mach-mxs/Kconfig                 |    1 +
 arch/arm/mach-mxs/Makefile                |    1 +
 arch/arm/mach-mxs/clock-mx28.c            |   16 ++-
 arch/arm/mach-mxs/include/mach/hardware.h |    2 +
 arch/arm/mach-mxs/include/mach/mxs.h      |   12 +-
 arch/arm/mach-mxs/mach-mx28evk.c          |    8 +
 arch/arm/mach-mxs/mxs_usb.c               |  288 +++++++++++++++++++++++++++++
 arch/arm/mach-mxs/regs-usbphy-mxs.h       |  240 ++++++++++++++++++++++++
 arch/arm/plat-mxc/include/mach/mxc_ehci.h |   19 --
 drivers/usb/host/Kconfig                  |    2 +-
 drivers/usb/host/ehci-mxc.c               |   19 ++-
 include/linux/fsl_devices.h               |   21 ++
 13 files changed, 609 insertions(+), 28 deletions(-)
 create mode 100644 arch/arm/mach-mxs/mxs_usb.c
 create mode 100644 arch/arm/mach-mxs/regs-usbphy-mxs.h



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cheers, Marc
-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
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