On Mon, Sep 17, 2018 at 3:32 PM Robert Nelson <[email protected]> wrote: > > On Mon, Sep 17, 2018 at 3:28 PM Robert Nelson <[email protected]> wrote: > > > > On Mon, Sep 17, 2018 at 3:21 PM GS <[email protected]> wrote: > > > > > > PRU cape overlay fails to load due to pin conflicts on latest image. I > > > have tried various setups of overlays, none seem to work. I am not sure > > > what am I missing. > > > > > > Setup 1: [Highlighted section identifies the difference in the setup] > > > > > > debian@beaglebone:~$ sudo /opt/scripts/tools/version.sh > > > [sudo] password for debian: > > > git:/opt/scripts/:[0726131c362e3adfcf359f3e1debf5ff156e5bec] > > > eeprom:[A335BNLTEIA04816BBBK2982] > > > model:[TI_AM335x_BeagleBone_Black] > > > dogtag:[BeagleBoard.org Debian Image 2018-09-16] > > > bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot > > > 2018.09-00002-g0b54a51eee]:[location: dd MBR] > > > kernel:[4.14.69-ti-r75] > > > nodejs:[v6.14.4] > > > uboot_overlay_options:[enable_uboot_overlays=1] > > > uboot_overlay_options:[uboot_overlay_addr4=/lib/firmware/AM335X-PRU-RPROC-4-14-TI-PRUCAPE-00A0.dtbo] > > > uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-14-TI-00A0.dtbo] > > > uboot_overlay_options:[enable_uboot_cape_universal=1] > > > pkg check: to individually upgrade run: [sudo apt install --only-upgrade > > > <pkg>] > > > pkg:[bb-cape-overlays]:[4.4.20180914.0-0rcnee0~stretch+20180914] > > > pkg:[bb-wl18xx-firmware]:[1.20180517-0rcnee0~stretch+20180517] > > > pkg:[kmod]:[23-2rcnee1~stretch+20171005] > > > pkg:[librobotcontrol]:[1.0.2-git20180829.0-0rcnee0~stretch+20180830] > > > pkg:[firmware-ti-connectivity]:[20170823-1rcnee1~stretch+20180328] > > > groups:[debian : debian adm kmem dialout cdrom floppy audio dip video > > > plugdev users systemd-journal i2c bluetooth netdev cloud9ide gpio pwm > > > eqep admin spi tisdk weston-launch xenomai] > > > cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 > > > root=/dev/mmcblk1p1 ro rootfstype=ext4 rootwait coherent_pool=1M > > > net.ifnames=0 quiet] > > > dmesg | grep pinctrl-single > > > [ 1.111222] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 > > > size 568 > > > [ 78.184300] pinctrl-single 44e10800.pinmux: pin PIN107 already > > > requested by 48038000.mcasp; cannot claim for 4a300000.pruss > > > [ 78.293835] pinctrl-single 44e10800.pinmux: pin-107 (4a300000.pruss) > > > status -22 > > > [ 78.381767] pinctrl-single 44e10800.pinmux: could not request pin 107 > > > (PIN107) from group pru_cape_bone_pins on device pinctrl-single > > > dmesg | grep gpio-of-helper > > > [ 1.122976] gpio-of-helper ocp:cape-universal: ready > > > > Your answer is right here ^ "48038000.mcasp; cannot claim for > > 4a300000.pruss", you seem to be trying to use the same pru pins as the > > hdmi-audio.. > > > > see: > > > > https://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Disable_on-board_devices > > > > and do: > > > > disable_uboot_overlay_audio=1 > > > > Also, for the "pru" only do the "uboot_overlay_pru=" option.. > > > > Finally, any pin your define the PRU, make sure to "disable" from > > cape-universal in a special node as one example shown here: > > > > https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-SPI0-ADS8688-0A00.dts#L36-L47 > > I should also point out, you don't need to actually define the pru > pin's in the overlay, instead you can use config-pin to setup the pins > you are using for the pru.
Documented here: https://markayoder.github.io/PRUCookbook/06io/io.html 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYj5pAjFvr5Y473CenmWroHVnHuFzjRNaFTwOAp2hriFDw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
