xref: /linux/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml (revision 24168c5e6dfbdd5b414f048f47f75d64533296ca) 
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,tegra234-hda
27              - nvidia,tegra194-hda
28              - nvidia,tegra186-hda
29              - nvidia,tegra210-hda
30              - nvidia,tegra124-hda
31          - const: nvidia,tegra30-hda
32      - items:
33          - const: nvidia,tegra132-hda
34          - const: nvidia,tegra124-hda
35          - const: nvidia,tegra30-hda
36
37  reg:
38    maxItems: 1
39
40  interrupts:
41    description: The interrupt from the HDA controller
42    maxItems: 1
43
44  clocks:
45    minItems: 2
46    maxItems: 3
47
48  clock-names:
49    minItems: 2
50    items:
51      - const: hda
52      - const: hda2hdmi
53      - const: hda2codec_2x
54
55  resets:
56    minItems: 2
57    maxItems: 3
58
59  reset-names:
60    minItems: 2
61    items:
62      - const: hda
63      - const: hda2hdmi
64      - const: hda2codec_2x
65
66  power-domains:
67    maxItems: 1
68
69  interconnects:
70    maxItems: 2
71
72  interconnect-names:
73    items:
74      - const: dma-mem
75      - const: write
76
77  iommus:
78    maxItems: 1
79
80  nvidia,model:
81    $ref: /schemas/types.yaml#/definitions/string
82    description: |
83      The user-visible name of this sound complex. If this property is
84      not specified then boards can use default name provided in hda driver.
85
86required:
87  - compatible
88  - reg
89  - interrupts
90  - clocks
91  - clock-names
92
93additionalProperties: false
94
95examples:
96  - |
97    #include<dt-bindings/clock/tegra124-car-common.h>
98    #include<dt-bindings/interrupt-controller/arm-gic.h>
99
100    hda@70030000 {
101        compatible = "nvidia,tegra124-hda", "nvidia,tegra30-hda";
102        reg = <0x70030000 0x10000>;
103        interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
104        clocks = <&tegra_car TEGRA124_CLK_HDA>,
105                 <&tegra_car TEGRA124_CLK_HDA2HDMI>,
106                 <&tegra_car TEGRA124_CLK_HDA2CODEC_2X>;
107        clock-names = "hda", "hda2hdmi", "hda2codec_2x";
108        resets = <&tegra_car 125>, /* hda */
109                 <&tegra_car 128>, /* hda2hdmi */
110                 <&tegra_car 111>; /* hda2codec_2x */
111        reset-names = "hda", "hda2hdmi", "hda2codec_2x";
112        nvidia,model = "jetson-tk1-hda";
113    };
114
115...
116