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

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Message-ID: <aQR1N__AwvPm21tm@smile.fi.intel.com>
Date: Fri, 31 Oct 2025 10:37:11 +0200
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Ajith Anandhan <ajithanandhan0406@...il.com>
Cc: linux-iio@...r.kernel.org, jic23@...nel.org, dlechner@...libre.com,
	nuno.sa@...log.com, andy@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/3] iio: adc: Add support for TI ADS1120 ADC

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