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     1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/display/bridge/simple-bridge.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Transparent non-programmable DRM bridges
    8 
    9 maintainers:
   10   - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
   11   - Maxime Ripard <mripard@kernel.org>
   12 
   13 description: |
   14   This binding supports transparent non-programmable bridges that don't require
   15   any configuration, with a single input and a single output.
   16 
   17 properties:
   18   compatible:
   19     oneOf:
   20       - items:
   21           - enum:
   22               - ti,ths8134a
   23               - ti,ths8134b
   24           - const: ti,ths8134
   25       - items:
   26           - const: corpro,gm7123
   27           - const: adi,adv7123
   28       - enum:
   29           - adi,adv7123
   30           - dumb-vga-dac
   31           - ti,opa362
   32           - ti,ths8134
   33           - ti,ths8135
   34 
   35   ports:
   36     $ref: /schemas/graph.yaml#/properties/ports
   37 
   38     properties:
   39       port@0:
   40         $ref: /schemas/graph.yaml#/properties/port
   41         description: The bridge input
   42 
   43       port@1:
   44         $ref: /schemas/graph.yaml#/properties/port
   45         description: The bridge output
   46 
   47     required:
   48       - port@0
   49       - port@1
   50 
   51   enable-gpios:
   52     maxItems: 1
   53     description: GPIO controlling bridge enable
   54 
   55   vdd-supply:
   56     description: Power supply for the bridge
   57 
   58 required:
   59   - compatible
   60   - ports
   61 
   62 additionalProperties: false
   63 
   64 examples:
   65   - |
   66     bridge {
   67         compatible = "ti,ths8134a", "ti,ths8134";
   68 
   69         ports {
   70             #address-cells = <1>;
   71             #size-cells = <0>;
   72 
   73             port@0 {
   74                 reg = <0>;
   75 
   76                 vga_bridge_in: endpoint {
   77                     remote-endpoint = <&tcon0_out_vga>;
   78                 };
   79             };
   80 
   81             port@1 {
   82                 reg = <1>;
   83 
   84                 vga_bridge_out: endpoint {
   85                     remote-endpoint = <&vga_con_in>;
   86                 };
   87             };
   88         };
   89     };
   90 
   91 ...
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