jrtaylor Posted April 30 Share Posted April 30 Looking at the new BPI M4 zero to replace a RPI zero. The official build listed does not have gpio turned or maybe just not built into the kernel. If I download the image from the BPI website it has it but it based on bullseye and the image is broke. I built my own image but still no go so I am not sure what is wrong. I have built images for other boards and projects with success so that's not the problem. I have a 3.5" TFT touch screen and some relays that I need to run along with a sensor. 0 Quote Link to comment Share on other sites More sharing options...
c0rnelius Posted April 30 Share Posted April 30 I suggest looking over the overlays available; https://github.com/BPI-SINOVOIP/pi-linux/tree/pi-6.1-sunxi/arch/arm64/boot/dts/allwinner/overlay They may or maynot need to be edited as BSP VS MAINLINE usually isn't identical. 0 Quote Link to comment Share on other sites More sharing options...
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