Commit 915360a5 authored by Luca Weiss's avatar Luca Weiss Committed by Greg Kroah-Hartman
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dt-bindings: usb: add NXP PTN36502 Type-C redriver bindings 



Document bindings for this Type-C USB 3.1 Gen 1 and DisplayPort v1.2
combo redriver.

The PTN36502 can also run in GPIO mode where it is configured
differently, without any I2C connection, but this is not supported yet.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarLuca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20231020-ptn36502-v2-1-b37a337d463e@fairphone.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 49537ec7

Documentation/devicetree/bindings/usb/nxp,ptn36502.yaml

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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/usb/nxp,ptn36502.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: NXP PTN36502 Type-C USB 3.1 Gen 1 and DisplayPort v1.2 combo redriver



maintainers:

  - Luca Weiss <luca.weiss@fairphone.com>



properties:

  compatible:

    enum:

      - nxp,ptn36502



  reg:

    maxItems: 1



  vdd18-supply:

    description: Power supply for VDD18 pin



  retimer-switch:

    description: Flag the port as possible handle of SuperSpeed signals retiming

    type: boolean



  orientation-switch:

    description: Flag the port as possible handler of orientation switching

    type: boolean



  ports:

    $ref: /schemas/graph.yaml#/properties/ports

    properties:

      port@0:

        $ref: /schemas/graph.yaml#/properties/port

        description: Super Speed (SS) Output endpoint to the Type-C connector



      port@1:

        $ref: /schemas/graph.yaml#/properties/port

        description: Super Speed (SS) Input endpoint from the Super-Speed PHY



      port@2:

        $ref: /schemas/graph.yaml#/properties/port

        description:

          Sideband Use (SBU) AUX lines endpoint to the Type-C connector for the purpose of

          handling altmode muxing and orientation switching.



required:

  - compatible

  - reg



additionalProperties: false



examples:

  - |

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        typec-mux@1a {

            compatible = "nxp,ptn36502";

            reg = <0x1a>;



            vdd18-supply = <&usb_redrive_1v8>;



            retimer-switch;

            orientation-switch;



            ports {

                #address-cells = <1>;

                #size-cells = <0>;



                port@0 {

                    reg = <0>;

                    usb_con_ss: endpoint {

                        remote-endpoint = <&typec_con_ss>;

                    };

                };

                port@1 {

                    reg = <1>;

                    phy_con_ss: endpoint {

                        remote-endpoint = <&usb_phy_ss>;

                    };

                };

                port@2 {

                    reg = <2>;

                    usb_con_sbu: endpoint {

                        remote-endpoint = <&typec_dp_aux>;

                    };

                };

            };

        };

    };

...