Yocto Project Customization Guide for i.MX 8M Plus and i.MX 95

[Will_Robertson]

Hi @AldoG 

Thank you very much for your Yocto Project Customization Guide - it's been very valuable to us in our work developing WildCamera - new open source wildlife camera based on the i.MX 8M Plus and preproduction i.MX 95 which will revolutionise conservation and ecology of our most endangered bat and dormouse species.

We were wondering if you had any advice on using Yocto Scarthgap to create a mainline Linux image for the i.MX 8M Plus which integrates device tree and kernel driver for an image sensor? (We're currently developing using the Debix Model A i.MX 8M Plus board.)

There's some more about our work here:

https://new-homes-for-old-friends.cairnwater.com/

Thank you very much for your help,

Will

[Bio_TICFSL]

Hello,

NXP have the yocto project ready and it usage on our side is for the EVK and have camera ready for the MX8Mplus and ominivision and bassler camera, you could check it on:

https://www.nxp.com/design/design-center/software/embedded-software/i-mx-software/embedded-linux-for...

Regards

[Will_Robertson]

Hi @Bio_TICFSL 

Thank you very much.

The AR1335, OV5640 and GC2145 image sensors are very good general purpose image sensors and we're evaluating them but for WildCamera it's also important for us to be able to integrate the device trees and drivers for more specialised image sensors - because of this, @AldoG's Yocto Project Customization Guide

https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/Yocto-Project-customization-guide/ta-p/1...

is particularly important because it indicates how to include device tree and drivers in the Yocto build for the i.MX 8M Plus IMX8MPLUS - the task of integrating an image sensor is significantly more complicated than integrating other peripherals though so I thought I'd ask Aldo's advice on this

Will

[Bio_TICFSL]

Hello,

To which sensor do you want to apply? the i.mx95 should be perfect for your app, but this is in testing phase, however the i.mx8mplus can do your job.

Regards

[Will_Robertson]

Hi @Bio_TICFSL 

This isn't a question about one specific image sensor - I'm asking about the general case of adding device tree and driver for an image sensor to the Yocto build for the i.MX 8M Plus.

We've shortlisted several candidate image sensors and we'll have to wait for results on each image sensor from our characterisation laboratory to decide which image sensors will be included in the final shortlist. Full characterisation of each image sensor requires device tree and driver to be in place.

Currently, the list of candidate image sensors includes the IMX708, IMX585, IMX294 and IMX283 as well as candidate image sensors from ST and other manufacturers.

Will

[AldoG]

Hello,

Not much to add on what has already been answered, just make sure to test the changes before creating a layer on yocto since it could lead to problems later on while bitbaking.

Also, it may be a good idea to check what we already have supported first and then move on with the new implementation, this so you could get accustomed to developing on Linux and then continue your work on Yocto.

Best regards/Saludos,
Aldo.