Messages in this thread | | | Date | Fri, 24 Aug 2012 12:14:00 -0300 | Subject | Re: SLAVE Side SPI kernel driver development | From | Fabio Estevam <> |
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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
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