Ok, understood.
I can send the rk3328-nanopi-neo3-rev02.dts if I have an email address.
Please note, the rk3328-codec is not supported on Neo3, instead the pcm5201a codec has been configured, this works fine.

Hi Igor,
not clear what you are trying to express, armbian did not work either.
My fix works, but I want FA to publish it as a real neo3 dts, my fixes would disable rk3328-nanopi-r2 due to gpio pin conflicts

Problem located in the device tree and "temporary fixed" locally. I2S will never work with the rk3328-nanopi-r2-rev00.dts because of gpio pin conflicts, nanopi-r2s is not nanopi-neo3!!! I will send FA a working neo3 device tree version, when they are interested, no reaction in this forum s...

Hi, We are currently porting Volumio on the NanoPi Neo3 using the 5.4.50 kernel from the Friendlyarm repo (https://github.com/friendlyarm/kernel-rockchip/tree/nanopi-r2-v5.4.y) Currently there is no support for I2S (and SPDIF), I tried enabling I2S with this patch, using the simple NanoPI Audio HAT ...