Moan

Thank you for the replies! I was able to solve the problem thanks to "tobetter" from odroid forum: https://forum.odroid.com/viewtopic.php?p=305720#p305720 I have it fully working on kernel 5.8. What I did was: Adding the following to /boot/armbianEnv.txt: overlay_resize=16384 overlays="moan_onewire" dtb_loadaddr="0x10000000" dtbo_addr_r="0x11000000" usbstoragequirks=0x2537:0x1066:u,0x2537:0x1068:u,0x1058:0x25ee:u Editing /boot/boot.ini: # Moan Onewire Fix: fdt addr ${dtb_loadaddr} if test "x{overlays}" != "x"; then fdt resize ${overlay_resize} for overlay in ${overlays}; do #load mmc ${devno}:1 ${dtbo_addr_r} boot/dtb/amlogic/overlays/odroidn2/${overlay}.dtbo \ #load mmc ${devno}:1 ${dtbo_addr_r} boot/dtb/amlogic/overlay/${overlay}.dtbo \ load mmc ${devno}:1 ${dtbo_addr_r} boot/${overlay}.dtbo \ && fdt apply ${dtbo_addr_r} done fi # End of Moan Onewire Fix if test "${kernelimage}" = "zImage"; then ... Pasting file: "moan_onewire.dtbo" to /boot: https://www33.zippyshare.com/v/U5WiziQl/file.html This is a file from the official kernel 4.9.something. It started to work on PIN 19 (GGPIOX_8). I tried many combinations of file /boot/armbianEnv.txt, including the one suggested by @Helmut, however it newer showed w1/onewire or anything like that in "cat /sys/kernel/debug/gpio". Also folder "/sys/bus/w1/" was not created on reboot (until modprobe). So something wasn't loading. Now it works nicely for me:

Hi. I recently purchased a few DS18B20 sensors. I'm having troubles setting up 1-wire on the newest armbian: root@odroidn2:~# uname -a Linux odroidn2 5.8.5-meson64 #20.08.1 SMP PREEMPT Tue Sep 1 18:47:20 CEST 2020 aarch64 GNU/Linux My DS18B20 adapter is connected to "GPIOX_7(#)" as suggested on Odroid forum: https://forum.odroid.com/viewtopic.php?p=305664#p305664 Using the official Ubuntu 18.04 image with 4.9.230-76, I was able to find devices in "/sys/bus/w1/devices". Now, I'm trying to do the same thing on Armbian. I added to: /boot/armbianEnv.txt overlays=w1-gpio param_w1_pin=GPIOX_7 param_w1_pin_int_pullup=1 (not sure if GPIOX_7 is the correct name here. When can I find information about pin names?) After reboot: modprobe w1-gpio && modprobe w1-therm root@odroidn2:~# ls -l /sys/bus/w1/devices total 0 /sys/kernel/debug/gpio also shows nothing "onewire" related: root@odroidn2:~# cat /sys/kernel/debug/gpio gpiochip1: GPIOs 412-426, parent: platform/ff800000.sys-ctrl:pinctrl@14, aobus-banks: gpio-420 ( |regulator-tflash_vdd) out hi gpio-421 ( |TF_IO ) out hi gpio-422 ( |pwm ) out lo gpio-423 ( |n2:blue ) out lo gpiochip0: GPIOs 427-511, parent: platform/ff634400.bus:pinctrl@40, periphs-banks: gpio-427 ( ) gpio-428 ( ) gpio-429 ( ) gpio-430 ( ) gpio-431 ( ) gpio-432 ( ) gpio-433 ( ) gpio-434 ( ) gpio-435 ( ) gpio-436 ( ) gpio-437 ( ) gpio-438 ( ) gpio-439 ( ) gpio-440 ( ) gpio-441 ( ) gpio-442 ( ) gpio-443 ( ) gpio-444 ( ) gpio-445 ( ) gpio-446 ( ) gpio-447 ( |usb-hub-reset ) out hi gpio-448 ( |regulator-hub_5v ) out hi gpio-449 ( |regulator-usb_pwr_en) out lo gpio-450 ( ) gpio-451 ( ) gpio-452 ( ) gpio-453 ( ) gpio-454 ( ) gpio-455 ( ) gpio-456 ( ) gpio-457 ( ) gpio-458 ( ) gpio-459 ( ) gpio-460 ( ) gpio-461 ( ) gpio-462 ( ) gpio-463 ( ) gpio-464 ( |reset ) out hi ACTIVE LOW gpio-465 ( ) gpio-466 ( ) gpio-467 ( ) gpio-468 ( ) gpio-469 ( ) gpio-470 ( ) gpio-471 ( ) gpio-472 ( ) gpio-473 ( ) gpio-474 ( |cd ) in lo ACTIVE LOW gpio-475 ( ) gpio-476 (PIN_44 ) gpio-477 (PIN_46 ) gpio-478 (PIN_45 ) gpio-479 (PIN_47 ) gpio-480 (PIN_26 ) gpio-481 ( ) gpio-482 ( ) gpio-483 ( ) gpio-484 ( ) gpio-485 ( ) gpio-486 ( ) gpio-487 (PIN_42 ) gpio-488 (PIN_32 ) gpio-489 (PIN_7 ) gpio-490 (PIN_27 ) gpio-491 (PIN_28 ) gpio-492 (PIN_16 ) gpio-493 (PIN_18 ) gpio-494 (PIN_22 ) gpio-495 (PIN_11 ) gpio-496 (PIN_13 ) gpio-497 (PIN_33 ) gpio-498 (PIN_35 ) gpio-499 (PIN_15 ) gpio-500 (PIN_19 ) gpio-501 (PIN_21 ) gpio-502 (PIN_24 ) gpio-503 (PIN_23 ) gpio-504 (PIN_8 ) gpio-505 (PIN_10 ) gpio-506 (PIN_29 ) gpio-507 (PIN_31 ) gpio-508 (PIN_12 ) gpio-509 (PIN_3 ) gpio-510 (PIN_5 ) gpio-511 (PIN_36 ) Any help would be very appreciated.