xref: /linux/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml (revision 26fbb4c8c7c3ee9a4c3b4de555a8587b5a19154e) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/nvidia,tegra30-hda.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: NVIDIA Tegra HDA controller
8
9description: |
10  The High Definition Audio (HDA) block provides a serial interface to
11  audio codec. It supports multiple input and output streams.
12
13maintainers:
14  - Thierry Reding <treding@nvidia.com>
15  - Jon Hunter <jonathanh@nvidia.com>
16
17properties:
18  $nodename:
19    pattern: "^hda@[0-9a-f]*$"
20
21  compatible:
22    oneOf:
23      - const: nvidia,tegra30-hda
24      - items:
25          - enum:
26              - nvidia,tegra194-hda
27              - nvidia,tegra186-hda
28              - nvidia,tegra210-hda
29              - nvidia,tegra124-hda
30          - const: nvidia,tegra30-hda
31      - items:
32          - const: nvidia,tegra132-hda
33          - const: nvidia,tegra124-hda
34          - const: nvidia,tegra30-hda
35
36  reg:
37    maxItems: 1
38
39  interrupts:
40    description: The interrupt from the HDA controller
41    maxItems: 1
42
43  clocks:
44    maxItems: 3
45
46  clock-names:
47    items:
48      - const: hda
49      - const: hda2hdmi
50      - const: hda2codec_2x
51
52  resets:
53    maxItems: 3
54
55  reset-names:
56    items:
57      - const: hda
58      - const: hda2hdmi
59      - const: hda2codec_2x
60
61  power-domains:
62    maxItems: 1
63
64  interconnects:
65    maxItems: 2
66
67  interconnect-names:
68    items:
69      - const: dma-mem
70      - const: write
71
72  iommus:
73    maxItems: 1
74
75  nvidia,model:
76    $ref: /schemas/types.yaml#/definitions/string
77    description: |
78      The user-visible name of this sound complex. If this property is
79      not specified then boards can use default name provided in hda driver.
80
81required:
82  - compatible
83  - reg
84  - interrupts
85  - clocks
86  - clock-names
87
88additionalProperties: false
89
90examples:
91  - |
92    #include<dt-bindings/clock/tegra124-car-common.h>
93    #include<dt-bindings/interrupt-controller/arm-gic.h>
94
95    hda@70030000 {
96        compatible = "nvidia,tegra124-hda", "nvidia,tegra30-hda";
97        reg = <0x70030000 0x10000>;
98        interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
99        clocks = <&tegra_car TEGRA124_CLK_HDA>,
100                 <&tegra_car TEGRA124_CLK_HDA2HDMI>,
101                 <&tegra_car TEGRA124_CLK_HDA2CODEC_2X>;
102        clock-names = "hda", "hda2hdmi", "hda2codec_2x";
103        resets = <&tegra_car 125>, /* hda */
104                 <&tegra_car 128>, /* hda2hdmi */
105                 <&tegra_car 111>; /* hda2codec_2x */
106        reset-names = "hda", "hda2hdmi", "hda2codec_2x";
107        nvidia,model = "jetson-tk1-hda";
108    };
109
110...
111