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 + +examples: + - | + proximity { + compatible = "google,cros-ec-proximity"; + label = "proximity-wifi-lte"; + }; -- https://chromeos.dev
