On Wed, Dec 16, 2015 at 9:31 AM, William Hermans <yyrk...@gmail.com> wrote:
> *SPI works great on v4.1.x now, just pay attention this this little* >> * spi-dma-disable hack:* >> >> * >> https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-SPIDEV0-00A0.dts#L54 >> <https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-SPIDEV0-00A0.dts#L54>* >> >> * "ti,pio-mode;"* >> >> * Otherwise, the spidev interface will lock up on the 160'th bit...* >> >> * (3.8 never used dma on spi, so this isn't a regression in speed..)* > > > Is it possible to control the SPI hardware through the PRU, and if so, > would that hack still matter Robert ? No idea if spidev is used in such a > case or not . . . > I didn't investage that side.. It's just when used as an overlay, that's needed.. If you setup a *.dtb with spi enabled in the dtb-rebuilder you don't need that workaround.. https://github.com/RobertCNelson/dtb-rebuilder/blob/4.1-ti/src/arm/am335x-boneblack-spi0.dts#L140 Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
