Documentation/devicetree/bindings/sound/starfive,jh7110-pwmdac.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/starfive,jh7110-pwmdac.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: StarFive JH7110 PWM-DAC Controller
   8
   9 description:
  10   The PWM-DAC Controller uses PWM square wave generators plus RC filters to
  11   form a DAC for audio play in StarFive JH7110 SoC. This audio play controller
  12   supports 16 bit audio format, up to 48K sampling frequency, up to left and
  13   right dual channels.
  14
  15 maintainers:
  16   - Hal Feng <hal.feng@starfivetech.com>
  17
  18 allOf:
  19   - $ref: dai-common.yaml#
  20
  21 properties:
  22   compatible:
  23     const: starfive,jh7110-pwmdac
  24
  25   reg:
  26     maxItems: 1
  27
  28   clocks:
  29     items:
  30       - description: PWMDAC APB
  31       - description: PWMDAC CORE
  32
  33   clock-names:
  34     items:
  35       - const: apb
  36       - const: core
  37
  38   resets:
  39     maxItems: 1
  40     description: PWMDAC APB
  41
  42   dmas:
  43     maxItems: 1
  44     description: TX DMA Channel
  45
  46   dma-names:
  47     const: tx
  48
  49   "#sound-dai-cells":
  50     const: 0
  51
  52 required:
  53   - compatible
  54   - reg
  55   - clocks
  56   - clock-names
  57   - resets
  58   - dmas
  59   - dma-names
  60   - "#sound-dai-cells"
  61
  62 additionalProperties: false
  63
  64 examples:
  65   - |
  66     pwmdac@100b0000 {
  67         compatible = "starfive,jh7110-pwmdac";
  68         reg = <0x100b0000 0x1000>;
  69         clocks = <&syscrg 157>,
  70                  <&syscrg 158>;
  71         clock-names = "apb", "core";
  72         resets = <&syscrg 96>;
  73         dmas = <&dma 22>;
  74         dma-names = "tx";
  75         #sound-dai-cells = <0>;
  76     };