xref: /linux/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml (revision 7a012a692e7cfbca245d195a80f23634d3d74fcc) 
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              - nvidia,tegra114-hda
32          - const: nvidia,tegra30-hda
33      - items:
34          - const: nvidia,tegra132-hda
35          - const: nvidia,tegra124-hda
36          - const: nvidia,tegra30-hda
37
38  reg:
39    maxItems: 1
40
41  interrupts:
42    description: The interrupt from the HDA controller
43    maxItems: 1
44
45  clocks:
46    minItems: 2
47    maxItems: 3
48
49  clock-names:
50    minItems: 2
51    items:
52      - const: hda
53      - const: hda2hdmi
54      - const: hda2codec_2x
55
56  resets:
57    minItems: 2
58    maxItems: 3
59
60  reset-names:
61    minItems: 2
62    items:
63      - const: hda
64      - const: hda2hdmi
65      - const: hda2codec_2x
66
67  power-domains:
68    maxItems: 1
69
70  interconnects:
71    maxItems: 2
72
73  interconnect-names:
74    items:
75      - const: dma-mem
76      - const: write
77
78  iommus:
79    maxItems: 1
80
81  nvidia,model:
82    $ref: /schemas/types.yaml#/definitions/string
83    description: |
84      The user-visible name of this sound complex. If this property is
85      not specified then boards can use default name provided in hda driver.
86
87required:
88  - compatible
89  - reg
90  - interrupts
91  - clocks
92  - clock-names
93
94additionalProperties: false
95
96examples:
97  - |
98    #include<dt-bindings/clock/tegra124-car-common.h>
99    #include<dt-bindings/interrupt-controller/arm-gic.h>
100
101    hda@70030000 {
102        compatible = "nvidia,tegra124-hda", "nvidia,tegra30-hda";
103        reg = <0x70030000 0x10000>;
104        interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
105        clocks = <&tegra_car TEGRA124_CLK_HDA>,
106                 <&tegra_car TEGRA124_CLK_HDA2HDMI>,
107                 <&tegra_car TEGRA124_CLK_HDA2CODEC_2X>;
108        clock-names = "hda", "hda2hdmi", "hda2codec_2x";
109        resets = <&tegra_car 125>, /* hda */
110                 <&tegra_car 128>, /* hda2hdmi */
111                 <&tegra_car 111>; /* hda2codec_2x */
112        reset-names = "hda", "hda2hdmi", "hda2codec_2x";
113        nvidia,model = "jetson-tk1-hda";
114    };
115
116...
117