SPI example for imx8mm running Yocto

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SPI example for imx8mm running Yocto

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Contributor II

I've found a couple of documents discussing the SPI bus on the IMX8 chipset running Yocto. However is there any sample code out there that I can use to test out the SPI before trying to integrate it with my other ICs?

 

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NXP TechSupport
NXP TechSupport

Hello wdunkley,

You can view the User guide document for MX8, where you have a an explanation of the SPI driver and how you can use it, also you have the QSPI for booting from M4 core, please got to:

https://www.nxp.com/webapp/Download?colCode=L5.4.24_2.1.0_LINUX_DOCS

 

Regards

 

 

 

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Contributor II

Thanks for that, I've read that before and that seems to only explain how to use the SPI to communicate with the flash memory. I'm looking for a little information on using the ECSPI2 on the expansion connector on the evaluation board. Do you know where more information about that is?

Thanks

 

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NXP TechSupport
NXP TechSupport

You can read about ECSPI on the reference manual as well, for the connection under the EVK please check the Hardware user guide.

 

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