Documentation/devicetree/bindings/display/bridge/lontium,lt9211.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,lt9211.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Lontium LT9211 DSI/LVDS/DPI to DSI/LVDS/DPI bridge.
   8
   9 maintainers:
  10   - Marek Vasut <marex@denx.de>
  11
  12 description: |
  13   The LT9211 are bridge devices which convert Single/Dual-Link DSI/LVDS
  14   or Single DPI to Single/Dual-Link DSI/LVDS or Single DPI.
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - lontium,lt9211
  20
  21   reg:
  22     maxItems: 1
  23
  24   interrupts:
  25     maxItems: 1
  26
  27   reset-gpios:
  28     maxItems: 1
  29     description: GPIO connected to active high RESET pin.
  30
  31   vccio-supply:
  32     description: Regulator for 1.8V IO power.
  33
  34   ports:
  35     $ref: /schemas/graph.yaml#/properties/ports
  36
  37     properties:
  38       port@0:
  39         $ref: /schemas/graph.yaml#/properties/port
  40         description:
  41           Primary MIPI DSI port-1 for MIPI input or
  42           LVDS port-1 for LVDS input or DPI input.
  43
  44       port@1:
  45         $ref: /schemas/graph.yaml#/properties/port
  46         description:
  47           Additional MIPI port-2 for MIPI input or LVDS port-2
  48           for LVDS input. Used in combination with primary
  49           port-1 to drive higher resolution displays
  50
  51       port@2:
  52         $ref: /schemas/graph.yaml#/properties/port
  53         description:
  54           Primary MIPI DSI port-1 for MIPI output or
  55           LVDS port-1 for LVDS output or DPI output.
  56
  57       port@3:
  58         $ref: /schemas/graph.yaml#/properties/port
  59         description:
  60           Additional MIPI port-2 for MIPI output or LVDS port-2
  61           for LVDS output. Used in combination with primary
  62           port-1 to drive higher resolution displays.
  63
  64     required:
  65       - port@0
  66       - port@2
  67
  68 required:
  69   - compatible
  70   - reg
  71   - vccio-supply
  72   - ports
  73
  74 additionalProperties: false
  75
  76 examples:
  77   - |
  78     #include <dt-bindings/gpio/gpio.h>
  79     #include <dt-bindings/interrupt-controller/irq.h>
  80
  81     i2c {
  82       #address-cells = <1>;
  83       #size-cells = <0>;
  84
  85       hdmi-bridge@3b {
  86         compatible = "lontium,lt9211";
  87         reg = <0x3b>;
  88
  89         reset-gpios = <&tlmm 128 GPIO_ACTIVE_HIGH>;
  90         interrupts-extended = <&tlmm 84 IRQ_TYPE_EDGE_FALLING>;
  91
  92         vccio-supply = <&lt9211_1v8>;
  93
  94         ports {
  95           #address-cells = <1>;
  96           #size-cells = <0>;
  97
  98           port@0 {
  99             reg = <0>;
 100
 101             endpoint {
 102               remote-endpoint = <&dsi0_out>;
 103             };
 104           };
 105
 106           port@2 {
 107             reg = <2>;
 108
 109             endpoint {
 110               remote-endpoint = <&panel_in_lvds>;
 111             };
 112           };
 113         };
 114       };
 115     };
 116
 117 ...