[PATCH 0/6] add spi support for i.MX51 in the existing spi_imx driver

Jason Wang jason77.wang at gmail.com
Sun Sep 19 04:53:26 EDT 2010


Hi Uwe,

Uwe Kleine-König wrote:
> Hello,
>
> On Thu, Sep 02, 2010 at 04:39:08PM +0200, Uwe Kleine-König wrote:
>   
>> Hello Jason,
>>
>>     
>>>> Actually I would prefer our patches, but of course I'm biased :-)
>>>>
>>>> I don't know how we should handle this.  And Sascha is on vacation this
>>>> and next week.  I will investigate if our patches are already free to be
>>>> posted.
>>>>         
>> OK, I can post our patches.  I think the driver part is quite similar,
>> the platform part is not.  But look for yourself, I'll post them in reply to
>> this mail.  Hopefully we can join forces to get the best out of the two
>> approaches.
>>     
> I now made the effort to try doing this.  I hope this is OK though it
> feels strage that no commit is attributed to Sascha.
>
> The following changes since commit 5b1caa2452a2cf09417ab657ae3a2275ebd78103:
>
>   ARM: mx5/mx51_babbage: Add FEC support (2010-09-13 11:31:22 +0200)
>
> are available in the git repository at:
>   git://git.pengutronix.de/git/ukl/linux-2.6.git spi-imx51
>
> (5b1caa2452a2cf09417ab657ae3a2275ebd78103 is the result of rebasing
> Sascha's for-2.6.37 branch on top of 2.6.36-rc4---done mainly to contain
> the for-2.6.36 branch)
>
>   
I have performed a git pull for your repository based off 2.6.36-rc4, and
built and validated these patches  on imx51_3ds board, they worked fine.
The spi flash can be read without any problems.

And your patches looks pretty good to me. :-).

Thanks,
Jason.
> Jason Wang (4):
>       ARM: mx5/clock-mx51: add spi clocks
>       ARM: mx5/iomux-mx51: add iomux definitions for eCSPI2 on the imx51_3ds board
>       ARM: mx5/mx51_3ds: add eCSPI2 support on the imx51_3ds board
>       ARM: mx5/mx51_3ds: add SPI NOR flash in the board init stage
>
> Uwe Kleine-König (12):
>       spi/imx: default to m on platforms that have such devices
>       spi/imx: convert driver to use platform ids
>       spi/imx: get rid of more ifs depending on the used cpu
>       spi/imx: save the spi chip select in config struct, not the gpio to use
>       spi/imx: add support for imx51's eCSPI and CSPI
>       ARM: imx: change the way spi-imx devices are registered
>       ARM: imx: use platform ids for spi_imx devices
>       ARM: mx51: clean up mx51 header
>       ARM: mx51: fix naming of spi related defines
>       ARM: mx5: add spi_imx device registration
>       ARM: mx5/clock-mx51: refactor ccgr callbacks to use common code
>       ARM: mx5/clock-mx51: new macro that defines a clk with all members
>
>  arch/arm/mach-imx/clock-imx1.c                  |    2 +-
>  arch/arm/mach-imx/clock-imx21.c                 |    6 +-
>  arch/arm/mach-imx/clock-imx27.c                 |    6 +-
>  arch/arm/mach-imx/devices-imx21.h               |    9 +-
>  arch/arm/mach-imx/devices-imx27.h               |   12 +-
>  arch/arm/mach-mx25/clock.c                      |    6 +-
>  arch/arm/mach-mx25/devices-imx25.h              |   12 +-
>  arch/arm/mach-mx3/clock-imx31.c                 |    6 +-
>  arch/arm/mach-mx3/clock-imx35.c                 |    4 +-
>  arch/arm/mach-mx3/devices-imx31.h               |   12 +-
>  arch/arm/mach-mx3/devices-imx35.h               |    9 +-
>  arch/arm/mach-mx5/Kconfig                       |    1 +
>  arch/arm/mach-mx5/board-mx51_3ds.c              |   33 ++
>  arch/arm/mach-mx5/clock-mx51.c                  |  113 ++++-
>  arch/arm/mach-mx5/devices-imx51.h               |   18 +
>  arch/arm/plat-mxc/devices/platform-spi_imx.c    |   89 +++-
>  arch/arm/plat-mxc/include/mach/devices-common.h |   11 +-
>  arch/arm/plat-mxc/include/mach/iomux-mx51.h     |    5 +
>  arch/arm/plat-mxc/include/mach/mx51.h           |  608 +++++++++++------------
>  drivers/spi/Kconfig                             |   16 +
>  drivers/spi/spi_imx.c                           |  394 ++++++++++++---
>  21 files changed, 919 insertions(+), 453 deletions(-)
>  create mode 100644 arch/arm/mach-mx5/devices-imx51.h
>
> Thanks
> Uwe
>
>   




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