Bindings/display/bridge/ti,sn65dsi83.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/ti,sn65dsi83.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: SN65DSI83 and SN65DSI84 DSI to LVDS bridge chip
   8
   9 maintainers:
  10   - Marek Vasut <marex@denx.de>
  11
  12 description: |
  13   Texas Instruments SN65DSI83 1x Single-link MIPI DSI
  14   to 1x Single-link LVDS
  15   https://www.ti.com/lit/gpn/sn65dsi83
  16   Texas Instruments SN65DSI84 1x Single-link MIPI DSI
  17   to 1x Dual-link or 2x Single-link LVDS
  18   https://www.ti.com/lit/gpn/sn65dsi84
  19
  20 properties:
  21   compatible:
  22     enum:
  23       - ti,sn65dsi83
  24       - ti,sn65dsi84
  25
  26   reg:
  27     enum:
  28       - 0x2c
  29       - 0x2d
  30
  31   enable-gpios:
  32     maxItems: 1
  33     description: GPIO specifier for bridge_en pin (active high).
  34
  35   vcc-supply:
  36     description: A 1.8V power supply (see regulator/regulator.yaml).
  37
  38   ports:
  39     $ref: /schemas/graph.yaml#/properties/ports
  40
  41     properties:
  42       port@0:
  43         $ref: /schemas/graph.yaml#/$defs/port-base
  44         unevaluatedProperties: false
  45         description: Video port for MIPI DSI Channel-A input
  46
  47         properties:
  48           endpoint:
  49             $ref: /schemas/media/video-interfaces.yaml#
  50             unevaluatedProperties: false
  51
  52             properties:
  53               data-lanes:
  54                 description: array of physical DSI data lane indexes.
  55                 minItems: 1
  56                 items:
  57                   - const: 1
  58                   - const: 2
  59                   - const: 3
  60                   - const: 4
  61
  62       port@1:
  63         $ref: /schemas/graph.yaml#/$defs/port-base
  64         unevaluatedProperties: false
  65         description: Video port for MIPI DSI Channel-B input
  66
  67         properties:
  68           endpoint:
  69             $ref: /schemas/media/video-interfaces.yaml#
  70             unevaluatedProperties: false
  71
  72             properties:
  73               data-lanes:
  74                 description: array of physical DSI data lane indexes.
  75                 minItems: 1
  76                 items:
  77                   - const: 1
  78                   - const: 2
  79                   - const: 3
  80                   - const: 4
  81
  82       port@2:
  83         $ref: /schemas/graph.yaml#/properties/port
  84         description: Video port for LVDS Channel-A output (panel or bridge).
  85
  86       port@3:
  87         $ref: /schemas/graph.yaml#/properties/port
  88         description: Video port for LVDS Channel-B output (panel or bridge).
  89
  90     required:
  91       - port@0
  92       - port@2
  93
  94 required:
  95   - compatible
  96   - reg
  97   - ports
  98
  99 allOf:
 100   - if:
 101       properties:
 102         compatible:
 103           contains:
 104             const: ti,sn65dsi83
 105     then:
 106       properties:
 107         ports:
 108           properties:
 109             port@1: false
 110             port@3: false
 111
 112   - if:
 113       properties:
 114         compatible:
 115           contains:
 116             const: ti,sn65dsi84
 117     then:
 118       properties:
 119         ports:
 120           properties:
 121             port@1: false
 122
 123 additionalProperties: false
 124
 125 examples:
 126   - |
 127     #include <dt-bindings/gpio/gpio.h>
 128
 129     i2c {
 130         #address-cells = <1>;
 131         #size-cells = <0>;
 132
 133         bridge@2d {
 134             compatible = "ti,sn65dsi83";
 135             reg = <0x2d>;
 136
 137             enable-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
 138             vcc-supply = <&reg_sn65dsi83_1v8>;
 139
 140             ports {
 141                 #address-cells = <1>;
 142                 #size-cells = <0>;
 143
 144                 port@0 {
 145                     reg = <0>;
 146
 147                     endpoint {
 148                         remote-endpoint = <&dsi0_out>;
 149                         data-lanes = <1 2 3 4>;
 150                     };
 151                 };
 152
 153                 port@2 {
 154                     reg = <2>;
 155
 156                     endpoint {
 157                         remote-endpoint = <&panel_in_lvds>;
 158                     };
 159                 };
 160             };
 161         };
 162     };