Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.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/lontium,lt8912b.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Lontium LT8912B MIPI to HDMI Bridge
   8
   9 maintainers:
  10   - Adrien Grassein <adrien.grassein@gmail.com>
  11
  12 description: |
  13   The LT8912B is a bridge device which convert DSI to HDMI
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - lontium,lt8912b
  19
  20   reg:
  21     maxItems: 1
  22
  23   reset-gpios:
  24     maxItems: 1
  25     description: GPIO connected to active high RESET pin.
  26
  27   ports:
  28     $ref: /schemas/graph.yaml#/properties/ports
  29
  30     properties:
  31       port@0:
  32         $ref: /schemas/graph.yaml#/$defs/port-base
  33         unevaluatedProperties: false
  34         description:
  35           Primary MIPI port for MIPI input
  36
  37         properties:
  38           endpoint:
  39             $ref: /schemas/media/video-interfaces.yaml#
  40             unevaluatedProperties: false
  41
  42             properties:
  43               data-lanes: true
  44
  45             required:
  46               - data-lanes
  47
  48       port@1:
  49         $ref: /schemas/graph.yaml#/properties/port
  50         description: |
  51           HDMI port, should be connected to a node compatible with the
  52           hdmi-connector binding.
  53
  54     required:
  55       - port@0
  56       - port@1
  57
  58 required:
  59   - compatible
  60   - reg
  61   - reset-gpios
  62   - ports
  63
  64 additionalProperties: false
  65
  66 examples:
  67   - |
  68     #include <dt-bindings/gpio/gpio.h>
  69
  70     i2c4 {
  71       #address-cells = <1>;
  72       #size-cells = <0>;
  73
  74       hdmi-bridge@48 {
  75         compatible = "lontium,lt8912b";
  76         reg = <0x48>;
  77         reset-gpios = <&max7323 0 GPIO_ACTIVE_LOW>;
  78
  79         ports {
  80           #address-cells = <1>;
  81           #size-cells = <0>;
  82
  83           port@0 {
  84             reg = <0>;
  85
  86             hdmi_out_in: endpoint {
  87               data-lanes = <0 1 2 3>;
  88               remote-endpoint = <&mipi_dsi_out>;
  89             };
  90           };
  91
  92           port@1 {
  93               reg = <1>;
  94
  95               endpoint {
  96                   remote-endpoint = <&hdmi_in>;
  97               };
  98           };
  99         };
 100       };
 101     };
 102
 103 ...