nvidia,tegra20-dc.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/display/tegra/nvidia,tegra20-dc.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: NVIDIA Tegra Display Controller
    8 
    9 maintainers:
   10   - Thierry Reding <thierry.reding@gmail.com>
   11   - Jon Hunter <jonathanh@nvidia.com>
   12 
   13 properties:
   14   $nodename:
   15     pattern: "^dc@[0-9a-f]+$"
   16 
   17   compatible:
   18     oneOf:
   19       - enum:
   20           - nvidia,tegra20-dc
   21           - nvidia,tegra30-dc
   22           - nvidia,tegra114-dc
   23           - nvidia,tegra124-dc
   24           - nvidia,tegra210-dc
   25 
   26       - items:
   27           - const: nvidia,tegra124-dc
   28           - const: nvidia,tegra132-dc
   29 
   30   reg:
   31     maxItems: 1
   32 
   33   interrupts:
   34     maxItems: 1
   35 
   36   clocks:
   37     minItems: 1
   38     items:
   39       - description: display controller pixel clock
   40       - description: parent clock # optional
   41 
   42   clock-names:
   43     minItems: 1
   44     items:
   45       - const: dc
   46       - const: parent # optional
   47 
   48   resets:
   49     items:
   50       - description: module reset
   51 
   52   reset-names:
   53     items:
   54       - const: dc
   55 
   56   interconnect-names: true
   57   interconnects: true
   58 
   59   iommus:
   60     maxItems: 1
   61 
   62   operating-points-v2:
   63     $ref: "/schemas/types.yaml#/definitions/phandle"
   64 
   65   power-domains:
   66     items:
   67       - description: phandle to the core power domain
   68 
   69   memory-region: true
   70 
   71   nvidia,head:
   72     $ref: /schemas/types.yaml#/definitions/uint32
   73     description: The number of the display controller head. This is used to setup the various
   74       types of output to receive video data from the given head.
   75 
   76   nvidia,outputs:
   77     $ref: /schemas/types.yaml#/definitions/phandle-array
   78     description: A list of phandles of outputs that this display controller can drive.
   79 
   80   rgb:
   81     type: object
   82 
   83 allOf:
   84   - if:
   85       properties:
   86         compatible:
   87           contains:
   88             enum:
   89               - nvidia,tegra20-dc
   90               - nvidia,tegra30-dc
   91               - nvidia,tegra114-dc
   92     then:
   93       properties:
   94         interconnects:
   95           items:
   96             - description: window A memory client
   97             - description: window B memory client
   98             - description: window B memory client (vertical filter)
   99             - description: window C memory client
  100             - description: cursor memory client
  101 
  102         interconnect-names:
  103           items:
  104             - const: wina
  105             - const: winb
  106             - const: winb-vfilter
  107             - const: winc
  108             - const: cursor
  109 
  110         rgb:
  111           description: Each display controller node has a child node, named "rgb", that represents
  112             the RGB output associated with the controller.
  113           type: object
  114           properties:
  115             nvidia,ddc-i2c-bus:
  116               $ref: /schemas/types.yaml#/definitions/phandle
  117               description: phandle of an I2C controller used for DDC EDID probing
  118 
  119             nvidia,hpd-gpio:
  120               description: specifies a GPIO used for hotplug detection
  121               maxItems: 1
  122 
  123             nvidia,edid:
  124               $ref: /schemas/types.yaml#/definitions/uint8-array
  125               description: supplies a binary EDID blob
  126 
  127             nvidia,panel:
  128               $ref: /schemas/types.yaml#/definitions/phandle
  129               description: phandle of a display panel
  130 
  131   - if:
  132       properties:
  133         compatible:
  134           contains:
  135             enum:
  136               - nvidia,tegra124-dc
  137     then:
  138       properties:
  139         interconnects:
  140           minItems: 4
  141           items:
  142             - description: window A memory client
  143             - description: window B memory client
  144             - description: window C memory client
  145             - description: cursor memory client
  146             - description: window D memory client
  147             - description: window T memory client
  148 
  149         interconnect-names:
  150           minItems: 4
  151           items:
  152             - const: wina
  153             - const: winb
  154             - const: winc
  155             - const: cursor
  156             - const: wind
  157             - const: wint
  158 
  159 additionalProperties: false
  160 
  161 required:
  162   - compatible
  163   - reg
  164   - interrupts
  165   - clocks
  166   - clock-names
  167   - resets
  168   - reset-names
  169 
  170 examples:
  171   - |
  172     #include <dt-bindings/clock/tegra20-car.h>
  173     #include <dt-bindings/interrupt-controller/arm-gic.h>
  174 
  175     dc@54200000 {
  176         compatible = "nvidia,tegra20-dc";
  177         reg = <0x54200000 0x00040000>;
  178         interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
  179         clocks = <&tegra_car TEGRA20_CLK_DISP1>;
  180         clock-names = "dc";
  181         resets = <&tegra_car 27>;
  182         reset-names = "dc";
  183     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/display/tegra/nvidia,tegra20-dc.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/display/tegra/nvidia,tegra20-dc.yaml