Re: [PATCH v5 2/4] dt-bindings: iio: flow: add Sensirion SLF3S liquid flow sensor

[Jonathan Cameron]

On Sun, 19 Jul 2026 08:19:34 +0200
Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:

> On 14/07/2026 10:53, Wadim Mueller wrote:
> > Document the bindings for the Sensirion SLF3S family of digital
> > liquid-flow sensors on I2C.  The family currently covers the
> > SLF3S-0600F, SLF3S-1300F and SLF3S-4000B variants.
> > 
> > All variants share the same register map and are fully detectable
> > from the product-information register at probe time, so
> > sensirion,slf3s-1300f serves as the fallback compatible for the
> > other variants.
> > 
> > The active calibration medium (water / IPA) is runtime-switchable
> > via the in_volumeflow_medium sysfs attribute and therefore not a
> > DT property.
> > 
> > Signed-off-by: Wadim Mueller <wafgo01@xxxxxxxxx>
> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
> > ---
> >  .../bindings/iio/flow/sensirion,slf3s.yaml    | 58 +++++++++++++++++++
> >  MAINTAINERS                                   |  7 +++
> >  2 files changed, 65 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/iio/flow/sensirion,slf3s.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/iio/flow/sensirion,slf3s.yaml b/Documentation/devicetree/bindings/iio/flow/sensirion,slf3s.yaml
> > new file mode 100644
> > index 000000000000..c054a505b75d
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/iio/flow/sensirion,slf3s.yaml
> > @@ -0,0 +1,58 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/iio/flow/sensirion,slf3s.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Sensirion SLF3S liquid flow sensor
> > +
> > +maintainers:
> > +  - Wadim Mueller <wafgo01@xxxxxxxxx>
> > +
> > +description:
> > +  Family of digital liquid-flow sensors from Sensirion with I2C interface. All
> > +  family members share the same register map; sub-types differ only in the flow
> > +  scale factor and the calibrated measurement range. The sub-type can be
> > +  identified from the product-information register.
> > +
> > +properties:
> > +  compatible:
> > +    oneOf:
> > +      - const: sensirion,slf3s-1300f
> > +      - items:
> > +          - enum:
> > +              - sensirion,slf3s-0600f
> > +              - sensirion,slf3s-4000b
> > +          - const: sensirion,slf3s-1300f  
> 
> This is fine with me, also fine with separate non-compatible compatibles.

Thanks!

I'd prefer separate to avoid confusing me at least! :)

It needs new version anyway as the driver (patch 4) doesn't seem to have
reached me or patchwork.

Jonathan

> 
> Best regards,
> Krzysztof