Thank you very much! I will try to remove it and see if any luck with the spi0....
On Sat, Dec 3, 2016 at 1:09 AM, Joe Phaneuf <[email protected]> wrote: > Pretty confident it's not kernel version. Actually explored that line of > thinking a little, but there's a u-boot spi tool you can use to test before > the kernel even loads, and you can replicate this issue with that. > > FYI response from Seeed regarding the existence of the caps is that > they're for EMC related to the UART on the Grove connector. > > This is the location of the spi0 capacitors (Should only need to remove > the one on clock, but I removed both, forget which one is which). Near the > sd card slot, underneath the grove connectors: > > > <https://lh3.googleusercontent.com/-uE8y1zCNuvY/WEGpUUGI9_I/AAAAAAAAAhs/UtQrknyZH3ExCItVhhWf_-_sveyWlE1fACLcB/s1600/BBGW.jpg> > > > On Thursday, December 1, 2016 at 10:16:14 PM UTC-8, Buming Chen wrote: >> >> Thanks! Could you tell me where is the cap on the board? Already read the >> BBGW's SCH, but still couldn't figure it out.... >> And do you think this is the problem caused by specific kernel versions >> (I'm using ubuntu 16.04, 4.4.12-ti-r30)? I assume using SPI0 for >> communication is really common among BBGW users, but after I searched the >> whole forum, just you and me encountered this CLK hardware design issue?? >> >> On Friday, December 2, 2016 at 12:43:24 AM UTC+8, Joe Phaneuf wrote: >>> >>> Howdy, correct, had to completely remove the cap on the spi0 clock. Hope >>> that helps! >>> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/beagleboard/BH-PUmjv6O4/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/82c331b9-3507-4acb-b61c-bdf54857d264%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/82c331b9-3507-4acb-b61c-bdf54857d264%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- *Buming Chen* -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAL2rowmiN09K_TncsCT1b5XzbC50n%2BwZpB92Z%3Di4hTbu%2Biu8Zw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
