Re: [PATCH 0/2] iio: adc: add LTC2387 and ADAQ2387x support

[Andy Shevchenko]

On Tue, Oct 27, 2026 at 03:44:07PM +0200, Nicolae-Daniel Deaconescu wrote:
> This series adds a driver for the LTC2387-16/18, 15 Msps SAR ADCs with
> an LVDS data interface, and for the ADAQ23875, ADAQ23876 and ADAQ23878
> uModule ADCs, which pair an LTC2387 die with a fully differential
> amplifier front end.

Why have you written a brand new driver?

> Conversion start (CNV) and the gated LVDS data clock are generated by
> two channels of an AXI PWM generator. Sample data is captured by the
> AXI ADC IP core and reached through the IIO backend framework. The
> front-end gain of the ADAQ parts is described with adi,gain-milli
> (fixed at 2 on the ADAQ23875, pin-strapped on the ADAQ23876/78) and
> applied to in_voltage_scale.
> 
> Tested on an EV-ADAQ23875FMCZ on a ZedBoard running the adaq2387x HDL
> project in two-lane, 16-bit mode: probe, in_voltage_scale,
> sampling_frequency (writes, rounding and range checks), buffered
> capture up to 1M samples, and unbind/rebind. The bare LTC2387
> variants, one-lane mode and the -x4 variants were not tested on
> hardware.

-- 
With Best Regards,
Andy Shevchenko