Documentation/devicetree/bindings/display/amlogic,meson-g12a-dw-mipi-dsi.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 # Copyright 2020 BayLibre, SAS
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/display/amlogic,meson-g12a-dw-mipi-dsi.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Amlogic specific extensions to the Synopsys Designware MIPI DSI Host Controller
   9
  10 maintainers:
  11   - Neil Armstrong <neil.armstrong@linaro.org>
  12
  13 description: |
  14   The Amlogic Meson Synopsys Designware Integration is composed of
  15   - A Synopsys DesignWare MIPI DSI Host Controller IP
  16   - A TOP control block controlling the Clocks & Resets of the IP
  17
  18 allOf:
  19   - $ref: dsi-controller.yaml#
  20
  21 properties:
  22   compatible:
  23     enum:
  24       - amlogic,meson-g12a-dw-mipi-dsi
  25
  26   reg:
  27     maxItems: 1
  28
  29   clocks:
  30     minItems: 3
  31     maxItems: 4
  32
  33   clock-names:
  34     minItems: 3
  35     items:
  36       - const: pclk
  37       - const: bit
  38       - const: px
  39       - const: meas
  40
  41   resets:
  42     maxItems: 1
  43
  44   reset-names:
  45     items:
  46       - const: top
  47
  48   phys:
  49     maxItems: 1
  50
  51   phy-names:
  52     items:
  53       - const: dphy
  54
  55   ports:
  56     $ref: /schemas/graph.yaml#/properties/ports
  57
  58     properties:
  59       port@0:
  60         $ref: /schemas/graph.yaml#/properties/port
  61         description: Input node to receive pixel data.
  62
  63       port@1:
  64         $ref: /schemas/graph.yaml#/properties/port
  65         description: DSI output node to panel.
  66
  67     required:
  68       - port@0
  69       - port@1
  70
  71 required:
  72   - compatible
  73   - reg
  74   - clocks
  75   - clock-names
  76   - resets
  77   - reset-names
  78   - phys
  79   - phy-names
  80   - ports
  81
  82 unevaluatedProperties: false
  83
  84 examples:
  85   - |
  86     dsi@6000 {
  87           compatible = "amlogic,meson-g12a-dw-mipi-dsi";
  88           reg = <0x6000 0x400>;
  89           resets = <&reset_top>;
  90           reset-names = "top";
  91           clocks = <&clk_pclk>, <&bit_clk>, <&clk_px>;
  92           clock-names = "pclk", "bit", "px";
  93           phys = <&mipi_dphy>;
  94           phy-names = "dphy";
  95
  96           ports {
  97               #address-cells = <1>;
  98               #size-cells = <0>;
  99
 100               /* VPU VENC Input */
 101               mipi_dsi_venc_port: port@0 {
 102                   reg = <0>;
 103
 104                   mipi_dsi_in: endpoint {
 105                        remote-endpoint = <&dpi_out>;
 106                   };
 107               };
 108
 109               /* DSI Output */
 110               mipi_dsi_panel_port: port@1 {
 111                   reg = <1>;
 112
 113                   mipi_out_panel: endpoint {
 114                       remote-endpoint = <&mipi_in_panel>;
 115                   };
 116               };
 117           };
 118     };