Re: [RFC PATCH 0/3] iio: adc: Add support for TI ADS1120 ADC

Andy Shevchenko
2025-10-31T08:37:19Z

On Thu, Oct 30, 2025 at 10:04:08PM +0530, Ajith Anandhan wrote:
> This RFC patch series adds support for the Texas Instruments ADS1120,
> a precision 16-bit delta-sigma ADC with SPI interface.
>
> The driver provides:
> - 4 single-ended voltage input channels
> - Programmable gain amplifier (1 to 128)
> - Configurable data rates (20 to 1000 SPS)
> - Single-shot conversion mode
>
> I'm looking for feedback on:
> 1. The implementation approach for single-shot conversions
> 2. Any other suggestions for improvement
>
> Datasheet: https://www.ti.com/lit/gpn/ads1120

The cover letter missed to answer the Q: Why a new driver? Have you checked the
existing drivers? Do we have a similar enough one that may be extended to
support this chip?

--
With Best Regards,
Andy Shevchenko