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


Based on kernel version 6.9. Page generated on 2024-05-14 10:02 EST.

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/ingenic,aic.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Ingenic SoCs AC97 / I2S Controller (AIC)

maintainers:
  - Paul Cercueil <paul@crapouillou.net>

allOf:
  - $ref: dai-common.yaml#

properties:
  $nodename:
    pattern: '^audio-controller@'

  compatible:
    oneOf:
      - enum:
          - ingenic,jz4740-i2s
          - ingenic,jz4760-i2s
          - ingenic,jz4770-i2s
          - ingenic,jz4780-i2s
          - ingenic,x1000-i2s
      - items:
          - const: ingenic,jz4725b-i2s
          - const: ingenic,jz4740-i2s
 
  '#sound-dai-cells':
    const: 0

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: AIC clock
      - description: I2S clock

  clock-names:
    items:
      - const: aic
      - const: i2s

  dmas:
    items:
      - description: DMA controller phandle and request line for I2S RX
      - description: DMA controller phandle and request line for I2S TX

  dma-names:
    items:
      - const: rx
      - const: tx

unevaluatedProperties: false

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names
  - dmas
  - dma-names
  - '#sound-dai-cells'

examples:
  - |
    #include <dt-bindings/clock/ingenic,jz4740-cgu.h>
    aic: audio-controller@10020000 {
      compatible = "ingenic,jz4740-i2s";
      reg = <0x10020000 0x38>;
 
      #sound-dai-cells = <0>;
 
      interrupt-parent = <&intc>;
      interrupts = <18>;
 
      clocks = <&cgu JZ4740_CLK_AIC>,
               <&cgu JZ4740_CLK_I2S>;
      clock-names = "aic", "i2s";
 
      dmas = <&dmac 25 0xffffffff>, <&dmac 24 0xffffffff>;
      dma-names = "rx", "tx";
    };