xref: /linux/Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml (revision 0fc8f6200d2313278fbf4539bbab74677c685531)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/bridge/lontium,lt8713sx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Lontium LT8713SX Type-C/DP1.4 to Type-C/DP1.4/HDMI2.0/DP++ bridge-hub

maintainers:
  - Vishnu Saini <vishnu.saini@oss.qualcomm.com>

description:
  The Lontium LT8713SX is a Type-C/DP1.4 to Type-C/DP1.4/HDMI2.0 converter
  that integrates one DP input and up to three configurable output interfaces
  (DP1.4 / HDMI2.0 / DP++), with SST/MST functionality and audio support.

properties:
  compatible:
    enum:
      - lontium,lt8713sx

  reg:
    maxItems: 1

  vcc-supply:
    description: Regulator for 3.3V vcc.

  vdd-supply:
    description: Regulator for 1.1V vdd.

  reset-gpios:
    description: GPIO connected to active low RESET pin.

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

    properties:
      port@0:
        $ref: /schemas/graph.yaml#/properties/port
        description:
          DP port for DP input from soc to bridge chip

      port@1:
        $ref: /schemas/graph.yaml#/properties/port
        description:
          DP port for DP output from bridge

      port@2:
        $ref: /schemas/graph.yaml#/properties/port
        description:
          Additional DP port for DP output from bridge

      port@3:
        $ref: /schemas/graph.yaml#/properties/port
        description:
          Additional DP port for DP output from bridge

    required:
      - port@0

required:
  - compatible
  - reg
  - ports

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>

    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
        bridge@4f {
            compatible = "lontium,lt8713sx";
            reg = <0x4f>;
            reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;

            ports {
                #address-cells = <1>;
                #size-cells = <0>;

                port@0 {
                    reg = <0>;
                    lt8713sx_dp_in: endpoint {
                        remote-endpoint = <&mdss_dp0_out>;
                    };
                };

                port@1 {
                    reg = <1>;
                    lt8713sx_dp0_out: endpoint {
                        remote-endpoint = <&dp0_connector_in>;
                    };
                };

                port@2 {
                    reg = <2>;
                    lt8713sx_dp1_out: endpoint {
                        remote-endpoint = <&dp1_connector_in>;
                    };
                };

                port@3 {
                    reg = <3>;
                    lt8713sx_dp2_out: endpoint {
                        remote-endpoint = <&dp2_connector_in>;
                    };
                };
            };
        };
    };