Build driver AD7476 for Raspberry Pi x64.

git clone https://github.com/karu2003/rpi_ad7476
cd rpi_ad7476
git clone --depth=1 https://github.com/raspberrypi/linux

Build Docker

docker build . -t rpi
docker run --rm -it -v `pwd`:/rpi rpi:latest bash

in Docker

cd linux
make bcm2711_defconfig
sed -i 's/# CONFIG_AD7476 is not set/CONFIG_AD7476=m/g' .config
make oldconfig -j$(nproc) Image.gz modules dtbs
make oldconfig -j$(nproc) modules_install INSTALL_MOD_PATH=deploy
exit

on PC

cd linux/
sudo cp arch/arm64/boot/Image.gz /media/andrew/bootfs/kernel8.img 
sudo cp arch/arm64/boot/dts/broadcom/*.dtb /media/andrew/bootfs/
sudo cp arch/arm64/boot/dts/overlays/*.dtb* /media/andrew/bootfs/overlays/
sudo cp -ar deploy/lib/modules/6.1.65-v8+/ /media/andrew/rootfs/lib/modules/

copy rpi-ad7476a-overlay.dts to RPi

on RPi

find /lib/modules | grep ad74
sudo modprobe ad7476
lsmod | grep ad74
echo ad7476 | sudo tee -a /etc/modules
echo iio-trig-hrtimer | sudo tee -a /etc/modules
sudo depmod

dtc -I dts -O dtb rpi-ad7476a-overlay.dts -o rpi-ad7476a-overlay.dtbo
sudo cp rpi-ad7476a-overlay.dtbo /boot/overlays/

sudo update-initramfs -c -k $(uname -r)

add to config.txt

dtoverlay=rpi-ad7476a-overlay
initramfs initrd.img-6.1.65-v8+ followkernel

sudo cp 87-iio-noroot.rules /etc/udev/rules.d/

sudo groupadd iio
sudo usermod -a -G iio $USER
sudo udevadm control --reload-rules

tree -ifFpugsh '/sys/bus/iio/devices/iio:device0/'
tree -ifFpugsh '/sys/kernel/config/iio/triggers/'

pip install pyqtgraph
git clone https://github.com/karu2003/rpi_ad7476
git clone https://github.com/analogdevicesinc/pyadi-iio.git
cd pyadi-iio
pip install .

sudo reboot

ADC testing

cat /sys/bus/iio/devices/iio\:device0/name
cat /sys/bus/iio/devices/iio\:device0/in_voltage0_raw 
cat /sys/bus/iio/devices/iio\:device0/in_voltage_scale

Build IIO from git

git clone https://github.com/analogdevicesinc/libiio.git --branch v0.25
cd libiio
mkdir build && cd build && cmake ../ && make && sudo make install

https://wiki.analog.com/resources/tools-software/linux-drivers/iio-adc/ad738x

https://wiki.analog.com/resources/tools-software/linux-drivers/iio-adc/ad7476a

https://oslongjourney.github.io/linux-kernel/experiment-three-iio-dummy/

https://github.com/jbeale1/data-remote

https://wiki.analog.com/resources/tools-software/linux-software/libiio/iio_readdev

https://wiki.analog.com/resources/tools-software/linux-build/generic/raspberrypi

https://wiki.analog.com/resources/eval/user-guides/ad-fmcdaq2-ebz/software/linux/applications/libiio