Documentation/devicetree/bindings/sound/ingenic,aic.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/sound/ingenic,aic.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Ingenic SoCs AC97 / I2S Controller (AIC)
   8
   9 maintainers:
  10   - Paul Cercueil <paul@crapouillou.net>
  11
  12 allOf:
  13   - $ref: dai-common.yaml#
  14
  15 properties:
  16   $nodename:
  17     pattern: '^audio-controller@'
  18
  19   compatible:
  20     oneOf:
  21       - enum:
  22           - ingenic,jz4740-i2s
  23           - ingenic,jz4760-i2s
  24           - ingenic,jz4770-i2s
  25           - ingenic,jz4780-i2s
  26           - ingenic,x1000-i2s
  27       - items:
  28           - const: ingenic,jz4725b-i2s
  29           - const: ingenic,jz4740-i2s
  30
  31   '#sound-dai-cells':
  32     const: 0
  33
  34   reg:
  35     maxItems: 1
  36
  37   interrupts:
  38     maxItems: 1
  39
  40   clocks:
  41     items:
  42       - description: AIC clock
  43       - description: I2S clock
  44
  45   clock-names:
  46     items:
  47       - const: aic
  48       - const: i2s
  49
  50   dmas:
  51     items:
  52       - description: DMA controller phandle and request line for I2S RX
  53       - description: DMA controller phandle and request line for I2S TX
  54
  55   dma-names:
  56     items:
  57       - const: rx
  58       - const: tx
  59
  60 unevaluatedProperties: false
  61
  62 required:
  63   - compatible
  64   - reg
  65   - interrupts
  66   - clocks
  67   - clock-names
  68   - dmas
  69   - dma-names
  70   - '#sound-dai-cells'
  71
  72 examples:
  73   - |
  74     #include <dt-bindings/clock/ingenic,jz4740-cgu.h>
  75     aic: audio-controller@10020000 {
  76       compatible = "ingenic,jz4740-i2s";
  77       reg = <0x10020000 0x38>;
  78
  79       #sound-dai-cells = <0>;
  80
  81       interrupt-parent = <&intc>;
  82       interrupts = <18>;
  83
  84       clocks = <&cgu JZ4740_CLK_AIC>,
  85                <&cgu JZ4740_CLK_I2S>;
  86       clock-names = "aic", "i2s";
  87
  88       dmas = <&dmac 25 0xffffffff>, <&dmac 24 0xffffffff>;
  89       dma-names = "rx", "tx";
  90     };