Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.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/cirrus,ep9301-i2s.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Cirrus EP93xx I2S Controller
   8
   9 description: |
  10   The I2S controller is used to stream serial audio data between the external
  11   I2S CODECs’, ADCs/DACs, and the ARM Core. The controller supports I2S, Left-
  12   and Right-Justified DSP formats.
  13
  14 maintainers:
  15   - Alexander Sverdlin <alexander.sverdlin@gmail.com>
  16
  17 allOf:
  18   - $ref: dai-common.yaml#
  19
  20 properties:
  21   compatible:
  22     const: cirrus,ep9301-i2s
  23
  24   '#sound-dai-cells':
  25     const: 0
  26
  27   reg:
  28     maxItems: 1
  29
  30   interrupts:
  31     maxItems: 1
  32
  33   clocks:
  34     minItems: 3
  35     maxItems: 3
  36
  37   clock-names:
  38     items:
  39       - const: mclk
  40       - const: sclk
  41       - const: lrclk
  42
  43 required:
  44   - compatible
  45   - '#sound-dai-cells'
  46   - reg
  47   - clocks
  48   - clock-names
  49
  50 additionalProperties: false
  51
  52 examples:
  53   - |
  54     i2s: i2s@80820000 {
  55         compatible = "cirrus,ep9301-i2s";
  56         #sound-dai-cells = <0>;
  57         reg = <0x80820000 0x100>;
  58         interrupt-parent = <&vic1>;
  59         interrupts = <28>;
  60         clocks = <&syscon 29>,
  61                  <&syscon 30>,
  62                  <&syscon 31>;
  63         clock-names = "mclk", "sclk", "lrclk";
  64     };
  65
  66 ...