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Linux Driver Development with Raspberry Pi - Practical Labs
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MAX11300 on Pi Zero W2 #1

Open DatanoiseTV opened 2 years ago

DatanoiseTV commented 2 years ago

It's nice to see an example for the MAX11300. I'm struggling a bit right now. The kernel module compiles, but I see no iio devices. I guess the dtbo is missing and dtbc doesn't want to compile.

I'm trying on a Pi Zero 2 W with 5.10.63-v7+

ALIBERA commented 2 years ago

Hi,

I have tested the module for kernel version 5.4 and Raspberry Pi 3 and Raspberry Pi 4. Have you added the new DT node to &spi0 as described since pag.464 of the book?

Do you have any error when you compile the new device tree?

Build the modified Device Tree and load it to the target processor: ~/linux_rpi3/linux$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- dtbs ~/linux_rpi3/linux$ scp arch/arm/boot/dts/bcm2710-rpi-3-b.dtb @.**@.:/boot/>

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It's nice to see an example for the MAX11300. I'm struggling a bit right now. The kernel module compiles, but I see no iio devices. I guess the dtbo is missing and dtbc doesn't want to compile.

I'm trying on a Pi Zero 2 W with 5.10.63-v7+

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