On Wed, Jul 24, 2024 at 05:36:34PM +0200, Olivier Moysan wrote:
> Allow to specify the reference voltage used by the SD modulator.
> When the SD modulator is defined as an IIO backend, the reference
> voltage can be used to evaluate scaling information of the IIO device.
> The reference voltage is not used otherwise.
You haven't tested that this works. Add 'vref-supply' to the example.
>
> Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
> ---
> .../bindings/iio/adc/sigma-delta-modulator.yaml | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml
> index b245971fecb0..ff04ae08f264 100644
> --- a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml
> @@ -31,6 +31,14 @@ anyOf:
> - required: ['#io-backend-cells']
> - required: ['#io-channel-cells']
>
> +if:
> + required:
> + - '#io-backend-cells'
> +then:
> + properties:
> + vref-supply:
> + description: Phandle to the vref input analog reference voltage.
> +
Do this instead:
properties:
vref-supply:
...
dependencies:
vref-supply: [ '#io-backend-cells' ]
> additionalProperties: false
>
> examples:
> --
> 2.25.1
>