SPI, DMA and an i.MX31
Wolf, Rene, HRO-GP
rene.wolf at mbda-systems.de
Mon Sep 21 04:22:21 EDT 2009
Thanks for your fast reply!
> in the LTIB kernel sources, you'll find the sources for the freescale
> SDMA API(s) Under linux-2.6.22/arch/arm/plat-mxc/sdma/. Using the
> API is not complicated, you can look in sound/arm/mxc-alsa-pmic.c to
> see an exemple, basically you allocate a channel (mxc_dma_request),
> register a callback handler (mxc_dma_callback_set) and post requests
I did 'download' it (using the script provided by ltib and some manual
labor) -> kernel 18.104.22.168.
At the moment I use 2.6.31 and I'm planning on keeping it that way :-)
Do you think 'porting' that sdma-API would be difficult?
More information about the linux-arm-kernel