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Open Menu / Documentation / devicetree / bindings / sound / nvidia,tegra30-hda.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/nvidia,tegra30-hda.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NVIDIA Tegra HDA controller

description: |
  The High Definition Audio (HDA) block provides a serial interface to
  audio codec. It supports multiple input and output streams.

maintainers:
  - Thierry Reding <treding@nvidia.com>
  - Jon Hunter <jonathanh@nvidia.com>

properties:
  $nodename:
    pattern: "^hda@[0-9a-f]*$"

  compatible:
    oneOf:
      - const: nvidia,tegra30-hda
      - items:
          - enum:
              - nvidia,tegra234-hda
              - nvidia,tegra194-hda
              - nvidia,tegra186-hda
              - nvidia,tegra210-hda
              - nvidia,tegra124-hda
          - const: nvidia,tegra30-hda
      - items:
          - const: nvidia,tegra132-hda
          - const: nvidia,tegra124-hda
          - const: nvidia,tegra30-hda

  reg:
    maxItems: 1

  interrupts:
    description: The interrupt from the HDA controller
    maxItems: 1

  clocks:
    minItems: 2
    maxItems: 3

  clock-names:
    minItems: 2
    items:
      - const: hda
      - const: hda2hdmi
      - const: hda2codec_2x

  resets:
    minItems: 2
    maxItems: 3

  reset-names:
    minItems: 2
    items:
      - const: hda
      - const: hda2hdmi
      - const: hda2codec_2x

  power-domains:
    maxItems: 1

  interconnects:
    maxItems: 2

  interconnect-names:
    items:
      - const: dma-mem
      - const: write

  iommus:
    maxItems: 1

  nvidia,model:
    $ref: /schemas/types.yaml#/definitions/string
    description: |
      The user-visible name of this sound complex. If this property is
      not specified then boards can use default name provided in hda driver.

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names

additionalProperties: false

examples:
  - |
    #include<dt-bindings/clock/tegra124-car-common.h>
    #include<dt-bindings/interrupt-controller/arm-gic.h>

    hda@70030000 {
        compatible = "nvidia,tegra124-hda", "nvidia,tegra30-hda";
        reg = <0x70030000 0x10000>;
        interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&tegra_car TEGRA124_CLK_HDA>,
                 <&tegra_car TEGRA124_CLK_HDA2HDMI>,
                 <&tegra_car TEGRA124_CLK_HDA2CODEC_2X>;
        clock-names = "hda", "hda2hdmi", "hda2codec_2x";
        resets = <&tegra_car 125>, /* hda */
                 <&tegra_car 128>, /* hda2hdmi */
                 <&tegra_car 111>; /* hda2codec_2x */
        reset-names = "hda", "hda2hdmi", "hda2codec_2x";
        nvidia,model = "jetson-tk1-hda";
    };

...