*downloaded.....rather then purchased: http://events.linuxfoundation.org/sites/events/files/slides/petazzoni-device-tree-dummies.pdf
Maxime: Thanks for the link! On Fri, Jul 4, 2014 at 4:28 PM, bruce bushby <[email protected]> wrote: > Got it, I wanted to make sure there wasn't some multiplexing voodoo which > I had never heard about. I remember the Beaglebone had the omap pin mux > ....so figured pin control was similar. > > Fortunately I don't need ethernet, but looking at the Olimex A20-SOM I'm > not sure all the SPI devices are available anyway. > > Just purchased Device Tree for Dummies which should help things along. > > Thanks for the help! > > > > On Fri, Jul 4, 2014 at 3:24 PM, Maxime Ripard < > [email protected]> wrote: > >> On Fri, Jul 04, 2014 at 02:27:32PM +0100, bruce bushby wrote: >> > Does this mean that it's not possible to have SPI0-SPI3 + ethernet >> > working at the same time? >> >> It is. The EMAC pins are also routed in the PH bank. So if your board >> uses the relevant PA pins for the SPI controllers, and the PH pins for >> the EMAC, it's fine. >> >> If you're using the PA pins for the EMAC, you're screwed, at least for >> SPI3. >> >> Maxime >> >> -- >> Maxime Ripard, Free Electrons >> Embedded Linux, Kernel and Android engineering >> http://free-electrons.com >> > > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
