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       - enum:
  26           - adi,adv7123
  27           - dumb-vga-dac
  28           - ti,opa362
  29           - ti,ths8134
  30           - ti,ths8135
  31
  32   ports:
  33     type: object
  34     description: |
  35       This device has two video ports. Their connections are modeled using the
  36       OF graph bindings specified in Documentation/devicetree/bindings/graph.txt.
  37     properties:
  38       '#address-cells':
  39         const: 1
  40
  41       '#size-cells':
  42         const: 0
  43
  44       port@0:
  45         type: object
  46         description: The bridge input
  47
  48       port@1:
  49         type: object
  50         description: The bridge output
  51
  52     required:
  53       - port@0
  54       - port@1
  55
  56     additionalProperties: false
  57
  58   enable-gpios:
  59     maxItems: 1
  60     description: GPIO controlling bridge enable
  61
  62   vdd-supply:
  63     maxItems: 1
  64     description: Power supply for the bridge
  65
  66 required:
  67   - compatible
  68   - ports
  69
  70 additionalProperties: false
  71
  72 examples:
  73   - |
  74     bridge {
  75         compatible = "ti,ths8134a", "ti,ths8134";
  76
  77         ports {
  78             #address-cells = <1>;
  79             #size-cells = <0>;
  80
  81             port@0 {
  82                 reg = <0>;
  83
  84                 vga_bridge_in: endpoint {
  85                     remote-endpoint = <&tcon0_out_vga>;
  86                 };
  87             };
  88
  89             port@1 {
  90                 reg = <1>;
  91
  92                 vga_bridge_out: endpoint {
  93                     remote-endpoint = <&vga_con_in>;
  94                 };
  95             };
  96         };
  97     };
  98
  99 ...