Re: [PATCH v4 2/2] iio: adc: Initial support for AD4134

From: Andy Shevchenko

Date: Wed Jan 07 2026 - 11:22:31 EST


On Wed, Jan 07, 2026 at 11:47:59AM -0300, Marcelo Schmitt wrote:
> AD4134 is a 24-bit, 4-channel, simultaneous sampling, precision
> analog-to-digital converter (ADC). The device can be managed through SPI or
> direct control of pin logical levels (pin control mode). The AD4134 design
> also features a dedicated bus for ADC sample data output. Though, this
> initial driver for AD4134 only supports usual SPI connections.
>
> Add basic support for AD4134 that enables single-shot ADC sample read.

I have been on a few weeks leave and do not remember much, but it looks like
this version has all my previous comments being addressed.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>

...

> +#include <linux/array_size.h>
> +#include <linux/bitfield.h>

> +#include <linux/bitops.h>

> +#include <linux/bits.h>

No need, as bitops.h implies (and guarantees) that BIT()/GENMASK() are provided
with it.

> +#include <linux/clk.h>
> +#include <linux/crc8.h>
> +#include <linux/delay.h>
> +#include <linux/dev_printk.h>
> +#include <linux/err.h>
> +#include <linux/export.h>
> +#include <linux/gpio/consumer.h>
> +#include <linux/iio/iio.h>
> +#include <linux/iio/types.h>
> +#include <linux/module.h>
> +#include <linux/mod_devicetable.h>
> +#include <linux/regmap.h>
> +#include <linux/regulator/consumer.h>
> +#include <linux/reset.h>
> +#include <linux/spi/spi.h>
> +#include <linux/time.h>
> +#include <linux/types.h>
> +#include <linux/unaligned.h>
> +#include <linux/units.h>

--
With Best Regards,
Andy Shevchenko