allwinner,sun4i-a10-display-frontend.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/display/allwinner,sun4i-a10-display-frontend.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Allwinner A10 Display Engine Frontend Device Tree Bindings
    8 
    9 maintainers:
   10   - Chen-Yu Tsai <wens@csie.org>
   11   - Maxime Ripard <mripard@kernel.org>
   12 
   13 description: |
   14   The display engine frontend does formats conversion, scaling,
   15   deinterlacing and color space conversion.
   16 
   17 properties:
   18   compatible:
   19     enum:
   20       - allwinner,sun4i-a10-display-frontend
   21       - allwinner,sun5i-a13-display-frontend
   22       - allwinner,sun6i-a31-display-frontend
   23       - allwinner,sun7i-a20-display-frontend
   24       - allwinner,sun8i-a23-display-frontend
   25       - allwinner,sun8i-a33-display-frontend
   26       - allwinner,sun9i-a80-display-frontend
   27 
   28   reg:
   29     maxItems: 1
   30 
   31   interrupts:
   32     maxItems: 1
   33 
   34   clocks:
   35     items:
   36       - description: The frontend interface clock
   37       - description: The frontend module clock
   38       - description: The frontend DRAM clock
   39 
   40   clock-names:
   41     items:
   42       - const: ahb
   43       - const: mod
   44       - const: ram
   45 
   46   # FIXME: This should be made required eventually once every SoC will
   47   # have the MBUS declared.
   48   interconnects:
   49     maxItems: 1
   50 
   51   # FIXME: This should be made required eventually once every SoC will
   52   # have the MBUS declared.
   53   interconnect-names:
   54     const: dma-mem
   55 
   56   resets:
   57     maxItems: 1
   58 
   59   ports:
   60     $ref: /schemas/graph.yaml#/properties/ports
   61 
   62     properties:
   63       port@0:
   64         $ref: /schemas/graph.yaml#/properties/port
   65         description: |
   66           Input endpoints of the controller.
   67 
   68       port@1:
   69         $ref: /schemas/graph.yaml#/properties/port
   70         description: |
   71           Output endpoints of the controller.
   72 
   73     required:
   74       - port@1
   75 
   76 required:
   77   - compatible
   78   - reg
   79   - interrupts
   80   - clocks
   81   - clock-names
   82   - resets
   83   - ports
   84 
   85 additionalProperties: false
   86 
   87 examples:
   88   - |
   89     #include <dt-bindings/clock/sun4i-a10-ccu.h>
   90     #include <dt-bindings/reset/sun4i-a10-ccu.h>
   91 
   92     fe0: display-frontend@1e00000 {
   93         compatible = "allwinner,sun4i-a10-display-frontend";
   94         reg = <0x01e00000 0x20000>;
   95         interrupts = <47>;
   96         clocks = <&ccu CLK_AHB_DE_FE0>, <&ccu CLK_DE_FE0>,
   97                  <&ccu CLK_DRAM_DE_FE0>;
   98         clock-names = "ahb", "mod",
   99                       "ram";
  100         resets = <&ccu RST_DE_FE0>;
  101 
  102         ports {
  103             #address-cells = <1>;
  104             #size-cells = <0>;
  105 
  106             fe0_out: port@1 {
  107                 #address-cells = <1>;
  108                 #size-cells = <0>;
  109                 reg = <1>;
  110 
  111                 fe0_out_be0: endpoint@0 {
  112                     reg = <0>;
  113                     remote-endpoint = <&be0_in_fe0>;
  114                 };
  115 
  116                 fe0_out_be1: endpoint@1 {
  117                     reg = <1>;
  118                     remote-endpoint = <&be1_in_fe0>;
  119                 };
  120             };
  121         };
  122     };
  123 
  124 
  125 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/display/allwinner,sun4i-a10-display-frontend.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/display/allwinner,sun4i-a10-display-frontend.yaml