Re: [PATCH 2/3] dt-bindings: iio: Add cros ec proximity yaml doc

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On Sun, Jan 24, 2021 at 05:27:56PM +0000, Jonathan Cameron wrote:
> On Fri, 22 Jan 2021 14:54:42 -0800
> Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:
> 
> > Some cros ECs support a front proximity MKBP event via
> > 'EC_MKBP_FRONT_PROXIMITY'. Add a DT binding to document this feature via
> > a node that is a child of the main cros_ec device node. Devices that
> > have this ability will describe this in firmware.
> > 
> > Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> > Cc: Benson Leung <bleung@xxxxxxxxxxxx>
> > Cc: Guenter Roeck <groeck@xxxxxxxxxxxx>
> > Cc: Douglas Anderson <dianders@xxxxxxxxxxxx>
> > Cc: Gwendal Grignou <gwendal@xxxxxxxxxxxx>
> > Cc: <devicetree@xxxxxxxxxxxxxxx>
> > Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> > Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> > ---
> >  .../proximity/google,cros-ec-proximity.yaml   | 37 +++++++++++++++++++
> >  1 file changed, 37 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/iio/proximity/google,cros-ec-proximity.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-proximity.yaml b/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-proximity.yaml
> > new file mode 100644
> > index 000000000000..c0a34bdfe4fd
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-proximity.yaml
> > @@ -0,0 +1,37 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +
> > +$id: http://devicetree.org/schemas/iio/proximity/google,cros-ec-proximity.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: ChromeOS EC MKBP Proximity Sensor
> > +
> > +maintainers:
> > +  - Stephen Boyd <swboyd@xxxxxxxxxxxx>
> > +  - Benson Leung <bleung@xxxxxxxxxxxx>
> > +  - Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
> > +
> > +description: |
> > +  Google's ChromeOS EC sometimes has the ability to detect user proximity.
> > +  This is implemented on the EC as near/far logic and exposed to the OS
> > +  via an MKBP switch bit.
> > +
> > +properties:
> > +  compatible:
> > +    const: google,cros-ec-proximity
> > +
> > +  label:
> > +    description: Name for proximity sensor
> > +
> > +required:
> > +  - compatible
> > +
> > +unevaluatedProperties: false

additionalProperties: false

> > +
> > +examples:
> > +  - |
> > +    proximity {
> 
> Can we at least have the example making it clear this is a child of the
> cros_ec device?

Move this to the core Cros EC binding. The core binding needs to define 
'proximity' and reference this binding ($ref).

> 
> > +        compatible = "google,cros-ec-proximity";
> > +        label = "proximity-wifi-lte";
> > +    };
> 



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