Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml

   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 ...