Re: [PATCH v6 2/3] dt-bindings: iio: proximity: Add TYHX HX9023S

From: Conor Dooley
Date: Sat Jun 22 2024 - 06:51:32 EST


On Sat, Jun 22, 2024 at 01:56:42PM +0800, Yasin Lee wrote:
>
> On 2024/6/21 18:12, Krzysztof Kozlowski wrote:
>
> Hi ,Krzysztof
> Thank you for your reply. I have some questions inline.
>
> Best regards,
> Yasin
>
> > On 21/06/2024 09:40, Yasin Lee wrote:
> > > A capacitive proximity sensor
> > >
> > > Signed-off-by: Yasin Lee <yasin.lee.x@xxxxxxxxx>
> > > ---
> > > .../bindings/iio/proximity/tyhx,hx9023s.yaml | 115 +++++++++++++++++++++
> > > 1 file changed, 115 insertions(+)
> > >
> > > diff --git a/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml
> > > new file mode 100644
> > > index 000000000000..beca70ce7609
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml
> > > @@ -0,0 +1,115 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/iio/proximity/tyhx,hx9023s.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: TYHX HX9023S capacitive proximity sensor
> > > +
> > > +maintainers:
> > > + - Yasin Lee <yasin.lee.x@xxxxxxxxx>
> > > +
> > > +description: |
> > > + TYHX HX9023S proximity sensor. Datasheet can be found here:
> > > + http://www.tianyihexin.com/ueditor/php/upload/file/20240614/1718336303992081.pdf
> > > +
> > > +allOf:
> > > + - $ref: /schemas/iio/iio.yaml#
> > Which part of iio.yaml binding do you use here? I cannot find anything,
> > so this looks wrong.
> >
>
> I will remove this reference.
>
>
> > > +
> > > +properties:
> > > + compatible:
> > > + const: tyhx,hx9023s
> > > +
> > > + reg:
> > > + maxItems: 1
> > > +
> > > + interrupts:
> > > + description:
> > > + Generated by device to announce preceding read request has finished
> > > + and data is available or that a close/far proximity event has happened.
> > > + maxItems: 1
> > > +
> > > + vdd-supply: true
> > > +
> > > + "#address-cells":
> > > + const: 1
> > > +
> > > + "#size-cells":
> > > + const: 0
> > > +
> > > +patternProperties:
> > > + "^channel@[0-4]$":
> > > + $ref: /schemas/iio/adc/adc.yaml
> > > + type: object
> > > +
> > > + properties:
> > > + reg:
> > > + minimum: 0
> > > + maximum: 4
> > > + description: The channel number.
> > > +
> > > + input-channel:
> > Isn't this duplicating single-channel property?
> >
> > Where is this property defined (which common schema)?
> >
> |input-channel| is indeed intended for single-ended configuration, but I
> couldn't find a definition
>
> or reference for |single-channel| anywhere. If possible, should I rename
> |input-channel| to |single-channel|?

Single-channel is new, it should be the next branch of the iio tree and
in linux-next.

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