AD4134 linux Driver or No-OS - Driver Compatibility with SoCs or NXP Microprocessors (Without FPGA)?

Question

I have an i.MX8MP VAR SOM with an NXP processor, and I&rsquo;m considering running the AD4134 driver on this SoC. My questions are:

Can the AD4134 driver, whether for an OS or non-OS environment, be successfully run on this SoC without the need for an FPGA?

Is it possible to modify an existing OS or non-OS driver to work on this SoC, and achieve successful operation?

Additionally, how can I achieve the maximum sample rate (SPS) for the AD4134 ADC on this setup?

rnechita · Accepted Answer

Hello, We apologize for the delay in our response. 
 The ad4134 linux driver requires spi-engine support https://github.com/analogdevicesinc/linux/blob/main/drivers/iio/adc/ad4134.c#L452-L455 , which means you would not be able to run it on a standard SoC. You could attempt to modify the existing driver to bypass the spi-engine and run on basic SPI but this will most likely affect the data rates. 
 
 If you intend to use it with an FPGA, we provide hdl support for the ad4134-fmc - https://github.com/analogdevicesinc/hdl/tree/main/projects/ad4134_fmc . Best Regards, 
 Ramona)

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AD4134 linux Driver or No-OS - Driver Compatibility with SoCs or NXP Microprocessors (Without FPGA)?

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