Re: [PATCH v4 0/2] iio:adc:ad7476: Regulator support and binding doc

[Jonathan Cameron <jic23@kernel.org>]

On Sun, 25 Apr 2021 17:31:52 +0100
Jonathan Cameron <jic23@kernel.org> wrote:

> From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> 
> This driver supports a whole load of devices with a range of different
> power supply connections.
> 
> Lars-Peter Clausen pointed out v1 did not handle the the ad7091r which
> an internal voltage reference, but that can be over-driven on the vref_in /
> vref_out pin.  The v2 handles that device properly.  I also realized that
> I'd the binding was more restrictive for devices with internal references
> than it needed to be (required vcc-supply) so I've relaxed that in
> the updated bindings.  Also reorganized the big allOf block in the
> binding doc to put all the constraints on reference voltage first.
> 
> v3 incorporates Lars' suggestion to set the regulator pointer to null
> as a way to indicate that we should definitely use the internal reference.
> 
> v4 fixes case of errors on the devm_regulator_get_optional() that are about
> something different than -ENODEV which signifies the regulator isn't
> specified.
Series applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to poke at it and see what I missed.

Thanks,

Jonathan
> 
> Jonathan Cameron (2):
>   iio:adc:ad7476: Handle the different regulators used by various parts.
>   dt-bindings:iio:adc:adi,ad7476: Add missing binding document
> 
>  .../bindings/iio/adc/adi,ad7476.yaml          | 174 ++++++++++++++++++
>  drivers/iio/adc/ad7476.c                      | 118 ++++++++++--
>  2 files changed, 277 insertions(+), 15 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7476.yaml
>