Documentation/devicetree/bindings/sound/amlogic,axg-pdm.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/amlogic,axg-pdm.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Amlogic Audio AXG PDM input
   8
   9 maintainers:
  10   - Jerome Brunet <jbrunet@baylibre.com>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - items:
  16           - enum:
  17               - amlogic,g12a-pdm
  18               - amlogic,sm1-pdm
  19           - const: amlogic,axg-pdm
  20       - const: amlogic,axg-pdm
  21
  22   reg:
  23     maxItems: 1
  24
  25   "#sound-dai-cells":
  26     const: 0
  27
  28   clocks:
  29     items:
  30       - description: Peripheral clock
  31       - description: PDM digital clock
  32       - description: DSP system clock
  33
  34   clock-names:
  35     items:
  36       - const: pclk
  37       - const: dclk
  38       - const: sysclk
  39
  40   resets:
  41     maxItems: 1
  42
  43 required:
  44   - compatible
  45   - reg
  46   - "#sound-dai-cells"
  47   - clocks
  48   - clock-names
  49
  50 allOf:
  51   - $ref: dai-common.yaml#
  52
  53   - if:
  54       properties:
  55         compatible:
  56           contains:
  57             enum:
  58               - amlogic,g12a-pdm
  59               - amlogic,sm1-pdm
  60     then:
  61       required:
  62         - resets
  63
  64     else:
  65       properties:
  66         resets: false
  67
  68 unevaluatedProperties: false
  69
  70 examples:
  71   - |
  72     #include <dt-bindings/clock/axg-audio-clkc.h>
  73
  74     audio-controller@ff632000 {
  75         compatible = "amlogic,axg-pdm";
  76         reg = <0xff632000 0x34>;
  77         #sound-dai-cells = <0>;
  78         clocks = <&clkc_audio AUD_CLKID_PDM>,
  79                  <&clkc_audio AUD_CLKID_PDM_DCLK>,
  80                  <&clkc_audio AUD_CLKID_PDM_SYSCLK>;
  81         clock-names = "pclk", "dclk", "sysclk";
  82     };