From: festevam@gmail.com (Fabio Estevam)
To: linux-arm-kernel@lists.infradead.org
Subject: SLAVE Side SPI kernel driver development
Date: Fri, 24 Aug 2012 12:14:00 -0300 [thread overview]
Message-ID: <CAOMZO5Ds6NKsTCptQXDGZDJasb119hYWqXMzX8nG5WFArysL7A@mail.gmail.com> (raw)
In-Reply-To: <1345820228.87750.YahooMailNeo@web29604.mail.ird.yahoo.com>
On Fri, Aug 24, 2012 at 11:57 AM, Bastelli Carlo (yahoo)
<carlo_bastelli@yahoo.it> wrote:
> Hello, I'm Carlo, I have a difficult task at work, my boss asked me to
> develop
> a driver SPI slave side on embedded ARM processor running Linux.
> Precisely linux occur on the SPI bus as a slave, not master as required
> by the hierarchical structure of the current kernel. The new driver
> will
> receive via interrupt and respond when selected by its chip select. Can
> anyone suggest the best way to develop this driver?. Personally, I
> have identified two main roads, the first if possible to exploit the
> structure SPI master driver, with a few tricks that now I can not
> define. The second most radical, write a driver for a UART like, but
> managing the SPI device.
> Thank you for any suggestions or examples.
Marek got spi slave running on a mx28. See his patch:
http://www.spinics.net/lists/arm-kernel/msg190860.html
Regards,
Fabio Estevam
next prev parent reply other threads:[~2012-08-24 15:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-24 14:57 SLAVE Side SPI kernel driver development Bastelli Carlo (yahoo)
2012-08-24 15:14 ` Fabio Estevam [this message]
2012-08-24 15:38 ` Marek Vasut
2012-08-24 16:54 ` Ned Forrester
2012-08-25 7:46 ` Bastelli Carlo
2012-08-25 11:44 ` Marek Vasut
2012-08-25 14:06 ` Bastelli Carlo
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