Documentation / devicetree / bindings / sound / starfive,jh7110-tdm.yaml


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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/starfive,jh7110-tdm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: StarFive JH7110 TDM Controller

description: |
  The TDM Controller is a Time Division Multiplexed audio interface
  integrated in StarFive JH7110 SoC, allowing up to 8 channels of
  audio over a serial interface. The TDM controller can operate both
  in master and slave mode.

maintainers:
  - Walker Chen <walker.chen@starfivetech.com>

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

properties:
  compatible:
    enum:
      - starfive,jh7110-tdm

  reg:
    maxItems: 1

  clocks:
    items:
      - description: TDM AHB Clock
      - description: TDM APB Clock
      - description: TDM Internal Clock
      - description: TDM Clock
      - description: Inner MCLK
      - description: TDM External Clock

  clock-names:
    items:
      - const: tdm_ahb
      - const: tdm_apb
      - const: tdm_internal
      - const: tdm
      - const: mclk_inner
      - const: tdm_ext

  resets:
    items:
      - description: tdm ahb reset line
      - description: tdm apb reset line
      - description: tdm core reset line

  dmas:
    items:
      - description: RX DMA Channel
      - description: TX DMA Channel

  dma-names:
    items:
      - const: rx
      - const: tx
 
  "#sound-dai-cells":
    const: 0

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - resets
  - dmas
  - dma-names
  - "#sound-dai-cells"

additionalProperties: false

examples:
  - |
    tdm@10090000 {
        compatible = "starfive,jh7110-tdm";
        reg = <0x10090000 0x1000>;
        clocks = <&syscrg 184>,
                 <&syscrg 185>,
                 <&syscrg 186>,
                 <&syscrg 187>,
                 <&syscrg 17>,
                 <&tdm_ext>;
        clock-names = "tdm_ahb", "tdm_apb",
                      "tdm_internal", "tdm",
                      "mclk_inner", "tdm_ext";
        resets = <&syscrg 105>,
                 <&syscrg 107>,
                 <&syscrg 106>;
        dmas = <&dma 20>, <&dma 21>;
        dma-names = "rx","tx";
        #sound-dai-cells = <0>;
    };