xref: /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml

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

title: Transparent non-programmable DRM bridges

maintainers:
  - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
  - Maxime Ripard <mripard@kernel.org>

description: |
  This binding supports transparent non-programmable bridges that don't require
  any configuration, with a single input and a single output.

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - ti,ths8134a
              - ti,ths8134b
          - const: ti,ths8134
      - enum:
          - adi,adv7123
          - dumb-vga-dac
          - ti,opa362
          - ti,ths8134
          - ti,ths8135

  ports:
    type: object
    description: |
      This device has two video ports. Their connections are modeled using the
      OF graph bindings specified in Documentation/devicetree/bindings/graph.txt.
    properties:
      '#address-cells':
        const: 1

      '#size-cells':
        const: 0

      port@0:
        type: object
        description: The bridge input

      port@1:
        type: object
        description: The bridge output

    required:
      - port@0
      - port@1

    additionalProperties: false

  enable-gpios:
    maxItems: 1
    description: GPIO controlling bridge enable

  vdd-supply:
    maxItems: 1
    description: Power supply for the bridge

required:
  - compatible
  - ports

additionalProperties: false

examples:
  - |
    bridge {
        compatible = "ti,ths8134a", "ti,ths8134";

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

            port@0 {
                reg = <0>;

                vga_bridge_in: endpoint {
                    remote-endpoint = <&tcon0_out_vga>;
                };
            };

            port@1 {
                reg = <1>;

                vga_bridge_out: endpoint {
                    remote-endpoint = <&vga_con_in>;
                };
            };
        };
    };

...