Quoting Rob Herring (2021-01-25 07:02:03) > 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). Will do.