Hi! Thanks for this update! I've been playing around in the device trees for a little while in the AI, basing myself on the ``am5729-beagleboneai-roboticscape.dts`` and the v4.14 kernel iot image. I have a hardware application that requires me to use two ENC28J60 ethernet adapters and the SPI 2 pins (I need two chip selects and due to potential pin conflicts I need to use SPI2). After struggling with the v4.14 kernel/image, I decided to try upgrading to the 4.19 kernel/image provided in this discussion. I was wondering if this was possible by modifying some of the overlay files provided in:
https://github.com/beagleboard/BeagleBoard-DeviceTrees/tree/v4.19.x-ti-overlays/src/arm/overlays Inspecting ``BeagleBoard-DeviceTrees/v4.19.x-ti-overlays/src/arm/bbai-bone-buses.dtsi``, I could only find the bone_spi_0 and bone_spi_1 groups. Does anyone have any pointers on enabling spi2? Thanks, Doug On Wednesday, September 16, 2020 at 8:43:56 PM UTC-4 RobertCNelson wrote: > On Wed, Sep 16, 2020 at 7:15 PM 어지수 <jis...@gmail.com> wrote: > > > > > https://rcn-ee.net/rootfs/bb.org/testing/2020-09-07/buster-iot/am57xx-debian-10.5-iot-armhf-2020-09-07-4gb.img.xz > > > > (v4.19.x-ti based kernel..) > > > > Does the dbt_overlay (kernel overlay) work properly on this > kernel(v4.19.x-ti based kernel)? > > I succeeded in u-boot overlay. However, dtb_overlay was not successful. > (kernel overlay on 4.19-x version. > > > > I don't know the difference between kernel overlay and uoot overlay. > > Are these two the same thing? > > > > My uEnv.txt is the following list. > > ###Custom Cape > > dtb_overlay=/lib/firmware/BBORG_SERVO-00A2.dtbo -> kernel overlay ( i > said it as kernel overlay) > > > > uboot_overlay_addr4=/lib/firmware/BBORG_SERVO-00A2.dtbo -> uboot overlay > ( i mean it as uboot-overlay) > > > > #Docs: http://elinux.org/Beagleboard:U-boot_partitioning_layout_2.0 > > > > uname_r=4.19.94-ti-r50 > > #uuid= > > #dtb= > > > > ###U-Boot Overlays### > > ###Documentation: > http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays > > ###Master Enable > > enable_uboot_overlays=1 > > ### > > ###Overide capes with eeprom > > #uboot_overlay_addr0=<file0>.dtbo > > #uboot_overlay_addr1=<file1>.dtbo > > #uboot_overlay_addr2=<file2>.dtbo > > #uboot_overlay_addr3=<file3>.dtbo > > ### > > ###Additional custom capes > > uboot_overlay_addr4=/lib/firmware/BBORG_SERVO-00A2.dtbo > > Use: > > uboot_overlay_addr4=BBORG_SERVO-00A2.dtbo > > 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/fb0e6bbd-e2c3-493e-a7b8-3c8a3649460fn%40googlegroups.com.
