https://github.com/notro/fbtft/issues/49
Perhaps related, but according to what they're saying * spi_busnum_to_master(0) returned NULL == *invalid argument. Which means perhaps the SPI bus driver is blacklisted ? Good luck. On Sun, Jun 7, 2015 at 10:53 PM, Drew Fustini <pdp7p...@gmail.com> wrote: > On Sun, Jun 7, 2015 at 9:37 PM, Robert Nelson <robertcnel...@gmail.com> > wrote: > > https://github.com/RobertCNelson/bb-kernel/tree/am33x-v4.1 > > thanks, boots and loads the SPI1 cape: > > root@beaglebone:~# uname -a > Linux beaglebone 4.1.0-rc6-bone6.6-00066-g75ea467 #1 Sun Jun 7 > 23:18:32 CDT 2015 armv7l GNU/Linux > > root@beaglebone:~# cat /sys/devices/platform/bone_capemgr/slots > 0: 54:PF---- -1 > 1: 55:PF---- -1 > 2: 56:PF---- -1 > 3: 57:PF---- -1 > 4: ff:P-O-L- 0 Override Board Name,00A0,Override Manuf,BB-SPIDEV1 > > root@beaglebone:~# ls -la /dev/spidev1.* > crw-rw---T 1 root spi 153, 1 Mar 1 20:46 /dev/spidev1.0 > crw-rw---T 1 root spi 153, 0 Mar 1 20:46 /dev/spidev1.1 > > > I'm still trying to work out how to use fbtft in 4.1. this is where > I've gotten so far: > > root@beaglebone:~# modprobe fbtft_device name=adafruit22 > > [ 1310.480992] fbtft: module is from the staging directory, the > quality is unknown, you have been warned. > [ 1310.494031] fbtft_device: module is from the staging directory, the > quality is unknown, you have been warned. > [ 1310.499966] fbtft_device: SPI devices registered: > [ 1310.500017] fbtft_device: spidev spi1.1 16000kHz 8 bits mode=0x00 > [ 1310.500044] fbtft_device: spidev spi1.0 16000kHz 8 bits mode=0x01 > [ 1310.500061] fbtft_device: 'fb' Platform devices registered: > [ 1310.500215] fbtft_device: spi_busnum_to_master(0) returned NULL > [ 1310.506730] fbtft_device: failed to register SPI device > > > thanks, > drew > > -- > 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. > -- 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.
