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how to make Nanopi due2 SPI Active Low

AliAhmadi
in Allwinner sunxi

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Hello all.

I have a Nanopi due2 with Armbian. I've enabled my SPI in armbianEnv.txt file and with:

overlays=spi-add-cs1 spi-spidev usbhost0 usbhost2 usbhost3
param_spidev_spi_bus=1
param_spidev_spi_cs=1

 

but when I try to use "/dev/spidev1.1", CS pin is active high by default not active low. how can I change it to active low.

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