Aaron.energy

Tnx martin, I found the the proper dtb file in /boot/dtb directory. According to my board version it was sun8i-h3-orangepi-lite.dtb which I recompiled it and successfully its i2c frequency changed.cd /boot/dtb Following I insert my instructions maybe it can help some other people. dtc -I dtb -O dts sun8i-h3-orangepi-lite.dtb -o sun8i-h3-orangepi-lite.dts #modifiy dts file and set clock-frequency=0x009c40 in node i2c@01c2ac00 dtc -I dts -O dtb sun8i-h3-orangepi-lite.dts -o sun8i-h3-orangepi-lite.dtb sudo reboot

There are some dtbo files in the /boot directory. Which one of them should be modified with clock frequency? Again tnx for your attention martin.

Tnx Martinayotte for your reply, Sorry, I'm new to Armbian. Are you meaning that i should modify i2c dt source and recompile kernel or it's possible to establish changes in a working armbian.

I was wondering if anyone could help with the following issue, We are working on a project utilized with an Orange Pi Lite, ALLWINNER H3 processor and Armbian stretch mainline kernel, Now we are bundled a chip over GPIO, due to the chip frequency we looking for a library or setting file to modify and match I2C frequency with the chip, BR,