KlGrom
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KlGrom got a reaction from sputty in SPI on BPI M2Berry
With a lot of help from going I finally could fix the problem.
The problem is that the GPIO-lines needed for spi are not defined neither in the basic device.tree nor in the spidev-overlay.
to get spidev0 working download the device-tree source below and compile it with dtc.
Copy the resulting file "sun8i-r40-spi-spidev0.dtb" to "/boot/dtb/overlay/sun8i-r40-spi-spidev0.dtbo"
Ensure that in /boot/armbianEnv.txt "overlay_prefix=sun8i-r40" is set and the line overlay=.... contains spi-spidev0
reboot
sun8i-r40-spi-spidev0.dts
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KlGrom got a reaction from Igor in SPI on BPI M2Berry
With a lot of help from going I finally could fix the problem.
The problem is that the GPIO-lines needed for spi are not defined neither in the basic device.tree nor in the spidev-overlay.
to get spidev0 working download the device-tree source below and compile it with dtc.
Copy the resulting file "sun8i-r40-spi-spidev0.dtb" to "/boot/dtb/overlay/sun8i-r40-spi-spidev0.dtbo"
Ensure that in /boot/armbianEnv.txt "overlay_prefix=sun8i-r40" is set and the line overlay=.... contains spi-spidev0
reboot
sun8i-r40-spi-spidev0.dts