bindings/display/bridge/fsl,ldb.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/fsl,ldb.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Freescale i.MX8MP DPI to LVDS bridge chip
   8
   9 maintainers:
  10   - Marek Vasut <marex@denx.de>
  11
  12 description: |
  13   The i.MX8MP mediamix contains two registers which are responsible
  14   for configuring the on-SoC DPI-to-LVDS serializer. This describes
  15   those registers as bridge within the DT.
  16
  17 properties:
  18   compatible:
  19     enum:
  20       - fsl,imx6sx-ldb
  21       - fsl,imx8mp-ldb
  22       - fsl,imx93-ldb
  23
  24   clocks:
  25     maxItems: 1
  26
  27   clock-names:
  28     const: ldb
  29
  30   reg:
  31     maxItems: 2
  32
  33   reg-names:
  34     items:
  35       - const: ldb
  36       - const: lvds
  37
  38   ports:
  39     $ref: /schemas/graph.yaml#/properties/ports
  40
  41     properties:
  42       port@0:
  43         $ref: /schemas/graph.yaml#/properties/port
  44         description: Video port for DPI input.
  45
  46       port@1:
  47         $ref: /schemas/graph.yaml#/properties/port
  48         description: Video port for LVDS Channel-A output (panel or bridge).
  49
  50       port@2:
  51         $ref: /schemas/graph.yaml#/properties/port
  52         description: Video port for LVDS Channel-B output (panel or bridge).
  53
  54     required:
  55       - port@0
  56       - port@1
  57
  58 required:
  59   - compatible
  60   - clocks
  61   - ports
  62
  63 allOf:
  64   - if:
  65       properties:
  66         compatible:
  67           contains:
  68             enum:
  69               - fsl,imx6sx-ldb
  70               - fsl,imx93-ldb
  71     then:
  72       properties:
  73         ports:
  74           properties:
  75             port@2: false
  76
  77 additionalProperties: false
  78
  79 examples:
  80   - |
  81     #include <dt-bindings/clock/imx8mp-clock.h>
  82
  83     blk-ctrl {
  84         #address-cells = <1>;
  85         #size-cells = <1>;
  86
  87         bridge@5c {
  88             compatible = "fsl,imx8mp-ldb";
  89             clocks = <&clk IMX8MP_CLK_MEDIA_LDB>;
  90             clock-names = "ldb";
  91             reg = <0x5c 0x4>, <0x128 0x4>;
  92             reg-names = "ldb", "lvds";
  93
  94             ports {
  95                 #address-cells = <1>;
  96                 #size-cells = <0>;
  97
  98                 port@0 {
  99                     reg = <0>;
 100
 101                     ldb_from_lcdif2: endpoint {
 102                         remote-endpoint = <&lcdif2_to_ldb>;
 103                     };
 104                 };
 105
 106                 port@1 {
 107                     reg = <1>;
 108
 109                     ldb_lvds_ch0: endpoint {
 110                         remote-endpoint = <&ldb_to_lvdsx4panel>;
 111                     };
 112                 };
 113
 114                 port@2 {
 115                     reg = <2>;
 116
 117                     ldb_lvds_ch1: endpoint {
 118                     };
 119                 };
 120             };
 121         };
 122     };