Documentation/devicetree/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   ports:
  36     $ref: /schemas/graph.yaml#/properties/ports
  37
  38     properties:
  39       port@0:
  40         $ref: /schemas/graph.yaml#/$defs/port-base
  41         unevaluatedProperties: false
  42         description: Video port for MIPI DSI Channel-A input
  43
  44         properties:
  45           endpoint:
  46             $ref: /schemas/media/video-interfaces.yaml#
  47             unevaluatedProperties: false
  48
  49             properties:
  50               data-lanes:
  51                 description: array of physical DSI data lane indexes.
  52                 minItems: 1
  53                 maxItems: 4
  54                 items:
  55                   - const: 1
  56                   - const: 2
  57                   - const: 3
  58                   - const: 4
  59
  60       port@1:
  61         $ref: /schemas/graph.yaml#/$defs/port-base
  62         unevaluatedProperties: false
  63         description: Video port for MIPI DSI Channel-B input
  64
  65         properties:
  66           endpoint:
  67             $ref: /schemas/media/video-interfaces.yaml#
  68             unevaluatedProperties: false
  69
  70             properties:
  71               data-lanes:
  72                 description: array of physical DSI data lane indexes.
  73                 minItems: 1
  74                 maxItems: 4
  75                 items:
  76                   - const: 1
  77                   - const: 2
  78                   - const: 3
  79                   - const: 4
  80
  81       port@2:
  82         $ref: /schemas/graph.yaml#/properties/port
  83         description: Video port for LVDS Channel-A output (panel or bridge).
  84
  85       port@3:
  86         $ref: /schemas/graph.yaml#/properties/port
  87         description: Video port for LVDS Channel-B output (panel or bridge).
  88
  89     required:
  90       - port@0
  91       - port@2
  92
  93 required:
  94   - compatible
  95   - reg
  96   - enable-gpios
  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
 139             ports {
 140                 #address-cells = <1>;
 141                 #size-cells = <0>;
 142
 143                 port@0 {
 144                     reg = <0>;
 145
 146                     endpoint {
 147                         remote-endpoint = <&dsi0_out>;
 148                         data-lanes = <1 2 3 4>;
 149                     };
 150                 };
 151
 152                 port@2 {
 153                     reg = <2>;
 154
 155                     endpoint {
 156                         remote-endpoint = <&panel_in_lvds>;
 157                     };
 158                 };
 159             };
 160         };
 161     };