Re: [PATCH v3 2/2] iio: addac: add AD74115 driver

[Jonathan Cameron <Jonathan.Cameron@Huawei.com>]

On Thu, 17 Nov 2022 10:09:16 +0200
Cosmin Tanislav <demonsingur@gmail.com> wrote:

> The AD74115H is a single-channel, software-configurable, input and
> output device for industrial control applications. The AD74115H
> provides a wide range of use cases, integrated on a single chip.
> 
> These use cases include analog output, analog input, digital output,
> digital input, resistance temperature detector (RTD), and thermocouple
> measurement capability. The AD74115H also has an integrated HART modem.
> 
> A serial peripheral interface (SPI) is used to handle all communications
> to the device, including communications with the HART modem. The digital
> input and digital outputs can be accessed via the SPI or the
> general-purpose input and output (GPIO) pins to support higher
> speed data rates.
> 
> The device features a 16-bit, sigma-delta analog-to-digital converter
> (ADC) and a 14-bit digital-to-analog converter (DAC).
> The AD74115H contains a high accuracy 2.5 V on-chip reference that can
> be used as the DAC and ADC reference.
> 
> Signed-off-by: Cosmin Tanislav <cosmin.tanislav@analog.com>
LGTM

Not sure if Linus W wants to take a look at the GPIO chip stuff, but
we should leave a few days to give him the opportunity + DT review
needed before I pick this up.

Thanks,

Jonathan