marvell,mmp-sspa.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/sound/marvell,mmp-sspa.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Marvel SSPA Digital Audio Interface Bindings
    8 
    9 maintainers:
   10   - Lubomir Rintel <lkundrak@v3.sk>
   11 
   12 properties:
   13   $nodename:
   14     pattern: "^audio-controller(@.*)?$"
   15 
   16   compatible:
   17     const: marvell,mmp-sspa
   18 
   19   reg:
   20     items:
   21       - description: RX block
   22       - description: TX block
   23 
   24   interrupts:
   25     maxItems: 1
   26 
   27   clocks:
   28     items:
   29       - description: Clock for the Audio block
   30       - description: I2S bit clock
   31 
   32   clock-names:
   33     items:
   34       - const: audio
   35       - const: bitclk
   36 
   37   power-domains:
   38     maxItems: 1
   39 
   40   '#sound-dai-cells':
   41     const: 0
   42 
   43   dmas:
   44     items:
   45       - description: TX DMA Channel
   46       - description: RX DMA Channel
   47 
   48   dma-names:
   49     items:
   50       - const: tx
   51       - const: rx
   52 
   53   port:
   54     $ref: audio-graph-port.yaml#
   55     unevaluatedProperties: false
   56 
   57     properties:
   58       endpoint:
   59         type: object
   60 
   61         properties:
   62           dai-format:
   63             const: i2s
   64 
   65 required:
   66   - "#sound-dai-cells"
   67   - compatible
   68   - reg
   69   - interrupts
   70   - clocks
   71   - clock-names
   72   - dmas
   73   - dma-names
   74   - port
   75 
   76 additionalProperties: false
   77 
   78 examples:
   79   - |
   80     #include <dt-bindings/clock/marvell,mmp2.h>
   81 
   82     audio-controller@d42a0c00 {
   83       compatible = "marvell,mmp-sspa";
   84       reg = <0xd42a0c00 0x30>,
   85             <0xd42a0c80 0x30>;
   86       interrupts = <2>;
   87       clock-names = "audio", "bitclk";
   88       clocks = <&soc_clocks 127>,
   89                <&audio_clk 1>;
   90       #sound-dai-cells = <0>;
   91       dmas = <&adma0 0>, <&adma0 1>;
   92       dma-names = "tx", "rx";
   93       port {
   94         endpoint {
   95           remote-endpoint = <&rt5631_0>;
   96           dai-format = "i2s";
   97         };
   98       };
   99     };
  100 
  101 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/marvell,mmp-sspa.yaml

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sys/contrib/device-tree/Bindings/sound/marvell,mmp-sspa.yaml