Documentation/devicetree/bindings/sound/marvell,mmp-sspa.yaml

   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
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