Re: [RFC] iio: adc: support for multi-device aggregation

[Andy Shevchenko]

On Thu, May 07, 2026 at 06:28:58PM -0300, Jonathan Santos wrote:
> Hi all,
> 
> We have a request to support multiple devices tied together in a single evaluation
> board. The goal is to be able to read them simultaneously via the IIO framework,
> while also controlling them individually. Currently we have two ADC devices that
> would benefit from this, but there might be more in the future.

> To summarize, the devices share SPI pins such as SCLK and MOSI, but have individual
> chip-selects and MOSIs (we can consider individual SPI interfaces). The ideia
> is to allow users to aggregate these devices so they can be read simultaneously
> from the user space.

This paragraph contradicts itself. The they share the bus. The bus is serial
and can't do at all what you are describing. Try to rephrase, or forget about
this, it's simply impossible.

-- 
With Best Regards,
Andy Shevchenko