Hi Prashant, On Mon, Mar 16, 2020 at 02:00:15AM -0700, Prashant Malani wrote: > Some Chrome OS devices with Embedded Controllers (EC) can read and > modify Type C port state. > > Add an entry in the DT Bindings documentation that lists out the logical > device and describes the relevant port information, to be used by the > corresponding driver. > > Signed-off-by: Prashant Malani <pmalani@xxxxxxxxxxxx> Reviewed-by: Benson Leung <bleung@xxxxxxxxxxxx> Hi Rob, Will you go ahead and merge this through your tree for v5.7? Thanks, Benson > --- > > Changes in v5: > - Updated License identifier. > - Updated DT example to be a full example. > > Changes in v4: > - Rebased on top of usb-connector.yaml, so the connector property now > directly references the usb-connector DT binding. > > .../bindings/chrome/google,cros-ec-typec.yaml | 54 +++++++++++++++++++ > 1 file changed, 54 insertions(+) > create mode 100644 Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml > > diff --git a/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml > new file mode 100644 > index 0000000000000..6d7396ab8beec > --- /dev/null > +++ b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml > @@ -0,0 +1,54 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/chrome/google,cros-ec-typec.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Google Chrome OS EC(Embedded Controller) Type C port driver. > + > +maintainers: > + - Benson Leung <bleung@xxxxxxxxxxxx> > + - Prashant Malani <pmalani@xxxxxxxxxxxx> > + > +description: > + Chrome OS devices have an Embedded Controller(EC) which has access to > + Type C port state. This node is intended to allow the host to read and > + control the Type C ports. The node for this device should be under a > + cros-ec node like google,cros-ec-spi. > + > +properties: > + compatible: > + const: google,cros-ec-typec > + > + connector: > + $ref: /schemas/connector/usb-connector.yaml# > + > +required: > + - compatible > + > +examples: > + - |+ > + spi0 { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cros_ec: ec@0 { > + compatible = "google,cros-ec-spi"; > + reg = <0>; > + > + typec { > + compatible = "google,cros-ec-typec"; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + connector@0 { > + compatible = "usb-c-connector"; > + reg = <0>; > + power-role = "dual"; > + data-role = "dual"; > + try-power-role = "source"; > + }; > + }; > + }; > + }; > -- > 2.25.1.481.gfbce0eb801-goog > -- Benson Leung Staff Software Engineer Chrome OS Kernel Google Inc. bleung@xxxxxxxxxx Chromium OS Project bleung@xxxxxxxxxxxx
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