On Thu, Feb 15, 2018 at 11:39:16AM +0100, Andrzej Hajda wrote:
> Samsung micro-USB 11-pin connector beside standard micro-USB pins,
> has pins dedicated to route MHL traffic.
>
> Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> ---
> .../connector/samsung,usb-connector-11pin.txt | 51 ++++++++++++++++++++++
> 1 file changed, 51 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/connector/samsung,usb-connector-11pin.txt
>
> diff --git a/Documentation/devicetree/bindings/connector/samsung,usb-connector-11pin.txt b/Documentation/devicetree/bindings/connector/samsung,usb-connector-11pin.txt
> new file mode 100644
> index 000000000000..c8ef1ad6732f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/connector/samsung,usb-connector-11pin.txt
> @@ -0,0 +1,51 @@
> +Samsung micro-USB 11-pin connector
> +==================================
> +
> +Samsung micro-USB 11-pin connector is an extension of micro-USB connector.
> +It is present in multiple Samsung mobile devices.
> +It has additional pins to route MHL traffic simultanously with USB.
> +
> +The bindings are superset of usb-connector bindings for micro-USB connector[1].
> +
> +Required properties:
> +- compatible: must be: "samsung,usb-connector-11pin", "usb-b-connector",
> +- type: must be "micro".
> +
> +Optional properties:
> +- label: symbolic name for the connector.
This is already defined in [1] so you don't need it here.
Otherwise,
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> +
> +Required nodes:
> +- any data bus to the connector should be modeled using the OF graph bindings
> + specified in bindings/graph.txt, unless the bus is between parent node and
> + the connector. Since single connector can have multpile data buses every bus
> + has assigned OF graph port number as follows:
> + 0: High Speed (HS),
> + 3: Mobile High-Definition Link (MHL), specific to 11-pin Samsung micro-USB.
> +
> +[1]: bindings/connector/usb-connector.txt
> +
> +Example
> +-------
> +
> +Micro-USB connector with HS lines routed via controller (MUIC) and :
> +
> +muic-max77843@66 {
> + ...
> + usb_con: connector {
> + compatible = "samsung,usb-connector-11pin", "usb-b-connector";
> + label = "micro-USB";
> + type = "micro";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@3 {
> + reg = <3>;
> + usb_con_mhl: endpoint {
> + remote-endpoint = <&sii8620_mhl>;
> + };
> + };
> + };
> + };
> +};
> --
> 2.16.1
>
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