> On Apr 30, 2018, at 08:22 , Chad Baker <cmbak...@gmail.com> wrote: > > Did you add the BB-SPIDEV1-00A0.dtbo to the device tree boot list in uEnv.txt?
Should that be necessary if one is using CAPE-UNIVERSAL? > Chad > > > On 4/30/18 7:51 AM, marco.st1...@gmail.com wrote: >> Hi all, >> >> I have to bring this thread to life again, as I'm facing the same issue: >> >> all I want to do is to assign p9_29 as "spi_cs" on my BBB running >> "4.9.78-ti-r94". >> >> Running "config-pin -l p9_28" leads to "default gpio gpio_pu gpio_pd >> gpio_input spi_cs pwm pruout pruin". So all looks good, as this pin can be >> used in spi_cs mode. >> >> Now I want to configure the pin to actually work as spi pin: >> >> config-pin p9_28 spi_cs >> P9_28 pinmux file not found! >> sudo: no askpass program specified, try setting SUDO_ASKPASS >> Cannot write pinmux file: /sys/devices/platform/ocp/ocp*P9_28_pinmux/state >> >> The same error is printed when running "config-pin p9_29 spi" or "config-pin >> p9_31 spi_sclk". However, command "config-pin p9_30 spi" works well. >> >> Would really appreciate if someone can help out here! >> >> Best regards, >> Marco >> >> >> >> >> >> >> >> Am Samstag, 28. Januar 2017 02:51:38 UTC+1 schrieb Charles Steinkuehler: >> On 1/27/2017 7:43 PM, Drew Fustini wrote: >> > >> > Charles / Robert: >> > Should P9.28 be SPI by default? >> >> All pins are GPIO by default, with pull up/down set to match the reset >> defaults of the processor. To use P9.28 as SPI, in addition to >> loading cape-universal, it is necessary to run: >> >> config-pin P9.28 spi >> >> If this does not result in the pinmux being set to spi, it's a bug. >> >> -- >> Charles Steinkuehler >> cha...@steinkuehler.net >> -- >> 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. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/beagleboard/89254b2e-33ca-4ea0-bb9f-3ca89270f89c%40googlegroups.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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/30e8fef7-bd03-37a6-b8a9-e4bfad41445d%40gmail.com. > For more options, visit https://groups.google.com/d/optout. -- Rick Mann rm...@latencyzero.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. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/8E1F190E-19A3-4DAA-8BBA-FA0F03B60D58%40latencyzero.com. For more options, visit https://groups.google.com/d/optout.
