On Wed, Apr 22, 2020 at 03:22:39PM -0700, Prashant Malani wrote:
> Add properties for mode, orientation and USB data role switches for
> Type C connectors. When available, these will allow the Type C connector
> class port driver to configure the various switches according to USB PD
> information (like orientation, alt mode etc.) provided by the Chrome OS
> EC controller.
>
> Signed-off-by: Prashant Malani <pmalani@xxxxxxxxxxxx>
> ---
> .../bindings/chrome/google,cros-ec-typec.yaml | 27 ++++++++++++++++++-
> 1 file changed, 26 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
> index 6d7396ab8bee..b5814640aa32 100644
> --- a/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
> +++ b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
> @@ -21,7 +21,21 @@ properties:
> const: google,cros-ec-typec
>
> connector:
> - $ref: /schemas/connector/usb-connector.yaml#
> + allOf:
> + - $ref: /schemas/connector/usb-connector.yaml#
> + - type: object
> + properties:
These don't seem CrOS EC specific, so why document them as such.
> + mode-switch:
> + description: Reference to a DT node for the USB Type C Multiplexer
> + controlling the data lines routing for this connector.
This is for alternate mode muxing I presume.
We already have a mux-control binding. Why not use that here?
> +
> + orientation-switch:
> + description: Reference to a DT node for the USB Type C orientation
> + switch for this connector.
What's in this node?
> +
> + usb-role-switch:
> + description: Reference to a DT node for the USB Data role switch
> + for this connector.
>
> required:
> - compatible
> @@ -49,6 +63,17 @@ examples:
> data-role = "dual";
> try-power-role = "source";
> };
> +
> + connector@1 {
> + compatible = "usb-c-connector";
> + reg = <1>;
> + power-role = "dual";
> + data-role = "host";
> + try-power-role = "source";
> + mode-switch = <&typec_mux>;
> + orientation-switch = <&typec_orientation_switch>;
> + usb-role-switch = <&typec_mux>;
> + };
> };
> };
> };
> --
> 2.26.1.301.g55bc3eb7cb9-goog
>
