xlnx,zynqmp-dpdma.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/dma/xilinx/xlnx,zynqmp-dpdma.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Xilinx ZynqMP DisplayPort DMA Controller Device Tree Bindings
    8 
    9 description: |
   10   These bindings describe the DMA engine included in the Xilinx ZynqMP
   11   DisplayPort Subsystem. The DMA engine supports up to 6 DMA channels (3
   12   channels for a video stream, 1 channel for a graphics stream, and 2 channels
   13   for an audio stream).
   14 
   15 maintainers:
   16   - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
   17 
   18 allOf:
   19   - $ref: "../dma-controller.yaml#"
   20 
   21 properties:
   22   "#dma-cells":
   23     const: 1
   24     description: |
   25       The cell is the DMA channel ID (see dt-bindings/dma/xlnx-zynqmp-dpdma.h
   26       for a list of channel IDs).
   27 
   28   compatible:
   29     const: xlnx,zynqmp-dpdma
   30 
   31   reg:
   32     maxItems: 1
   33 
   34   interrupts:
   35     maxItems: 1
   36 
   37   clocks:
   38     description: The AXI clock
   39     maxItems: 1
   40 
   41   clock-names:
   42     const: axi_clk
   43 
   44 required:
   45   - "#dma-cells"
   46   - compatible
   47   - reg
   48   - interrupts
   49   - clocks
   50   - clock-names
   51 
   52 additionalProperties: false
   53 
   54 examples:
   55   - |
   56     #include <dt-bindings/interrupt-controller/arm-gic.h>
   57 
   58     dma: dma-controller@fd4c0000 {
   59       compatible = "xlnx,zynqmp-dpdma";
   60       reg = <0xfd4c0000 0x1000>;
   61       interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
   62       interrupt-parent = <&gic>;
   63       clocks = <&dpdma_clk>;
   64       clock-names = "axi_clk";
   65       #dma-cells = <1>;
   66     };
   67 
   68 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/dma/xilinx/xlnx,zynqmp-dpdma.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/dma/xilinx/xlnx,zynqmp-dpdma.yaml