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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/sprd/sprd,sharkl3-dpu.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Unisoc Sharkl3 Display Processor Unit (DPU)
    8 
    9 maintainers:
   10   - Kevin Tang <kevin.tang@unisoc.com>
   11 
   12 description: |
   13   DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
   14   which transfers the image data from a video memory buffer to an internal
   15   LCD interface.
   16 
   17 properties:
   18   compatible:
   19     const: sprd,sharkl3-dpu
   20 
   21   reg:
   22     maxItems: 1
   23 
   24   interrupts:
   25     maxItems: 1
   26 
   27   clocks:
   28     minItems: 2
   29 
   30   clock-names:
   31     items:
   32       - const: clk_src_128m
   33       - const: clk_src_384m
   34 
   35   power-domains:
   36     maxItems: 1
   37 
   38   iommus:
   39     maxItems: 1
   40 
   41   port:
   42     type: object
   43     description:
   44       A port node with endpoint definitions as defined in
   45       Documentation/devicetree/bindings/media/video-interfaces.txt.
   46       That port should be the output endpoint, usually output to
   47       the associated DSI.
   48 
   49 required:
   50   - compatible
   51   - reg
   52   - interrupts
   53   - clocks
   54   - clock-names
   55   - port
   56 
   57 additionalProperties: false
   58 
   59 examples:
   60   - |
   61     #include <dt-bindings/interrupt-controller/arm-gic.h>
   62     #include <dt-bindings/clock/sprd,sc9860-clk.h>
   63     dpu: dpu@63000000 {
   64         compatible = "sprd,sharkl3-dpu";
   65         reg = <0x63000000 0x1000>;
   66         interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
   67         clock-names = "clk_src_128m", "clk_src_384m";
   68 
   69         clocks = <&pll CLK_TWPLL_128M>,
   70           <&pll CLK_TWPLL_384M>;
   71 
   72         dpu_port: port {
   73             dpu_out: endpoint {
   74                 remote-endpoint = <&dsi_in>;
   75             };
   76         };
   77     };
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