nvidia,tegra30-hda.yaml

  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      - enum:
 24          - nvidia,tegra30-hda
 25          - nvidia,tegra194-hda
 26          - nvidia,tegra234-hda
 27          - nvidia,tegra264-hda
 28      - items:
 29          - enum:
 30              - nvidia,tegra186-hda
 31              - nvidia,tegra210-hda
 32              - nvidia,tegra124-hda
 33              - nvidia,tegra114-hda
 34          - const: nvidia,tegra30-hda
 35      - items:
 36          - const: nvidia,tegra132-hda
 37          - const: nvidia,tegra124-hda
 38          - const: nvidia,tegra30-hda
 39
 40  reg:
 41    maxItems: 1
 42
 43  interrupts:
 44    description: The interrupt from the HDA controller
 45    maxItems: 1
 46
 47  clocks:
 48    minItems: 1
 49    maxItems: 3
 50
 51  clock-names:
 52    minItems: 1
 53    maxItems: 3
 54
 55  resets:
 56    minItems: 2
 57    maxItems: 3
 58
 59  reset-names:
 60    minItems: 2
 61    maxItems: 3
 62
 63  power-domains:
 64    maxItems: 1
 65
 66  interconnects:
 67    maxItems: 2
 68
 69  interconnect-names:
 70    items:
 71      - const: dma-mem
 72      - const: write
 73
 74  iommus:
 75    maxItems: 1
 76
 77  nvidia,model:
 78    $ref: /schemas/types.yaml#/definitions/string
 79    description: |
 80      The user-visible name of this sound complex. If this property is
 81      not specified then boards can use default name provided in hda driver.
 82
 83required:
 84  - compatible
 85  - reg
 86  - interrupts
 87  - clocks
 88  - clock-names
 89
 90additionalProperties: false
 91
 92allOf:
 93  - if:
 94      properties:
 95        compatible:
 96          contains:
 97            enum:
 98              - nvidia,tegra30-hda
 99    then:
100      properties:
101        clocks:
102          minItems: 3
103        clock-names:
104          items:
105            - const: hda
106            - const: hda2hdmi
107            - const: hda2codec_2x
108        resets:
109          minItems: 3
110        reset-names:
111          items:
112            - const: hda
113            - const: hda2hdmi
114            - const: hda2codec_2x
115  - if:
116      properties:
117        compatible:
118          contains:
119            enum:
120              - nvidia,tegra194-hda
121    then:
122      properties:
123        clocks:
124          minItems: 3
125        clock-names:
126          items:
127            - const: hda
128            - const: hda2hdmi
129            - const: hda2codec_2x
130        resets:
131          maxItems: 2
132        reset-names:
133          items:
134            - const: hda
135            - const: hda2hdmi
136  - if:
137      properties:
138        compatible:
139          contains:
140            enum:
141              - nvidia,tegra234-hda
142    then:
143      properties:
144        clocks:
145          minItems: 2
146          maxItems: 2
147        clock-names:
148          items:
149            - const: hda
150            - const: hda2codec_2x
151        resets:
152          maxItems: 2
153        reset-names:
154          items:
155            - const: hda
156            - const: hda2codec_2x
157  - if:
158      properties:
159        compatible:
160          contains:
161            enum:
162              - nvidia,tegra264-hda
163    then:
164      properties:
165        clocks:
166          maxItems: 1
167        clock-names:
168          items:
169            - const: hda
170        resets:
171          maxItems: 2
172        reset-names:
173          items:
174            - const: hda
175            - const: hda2codec_2x
176        power-domains: false
177
178examples:
179  - |
180    #include<dt-bindings/clock/tegra124-car-common.h>
181    #include<dt-bindings/interrupt-controller/arm-gic.h>
182
183    hda@70030000 {
184        compatible = "nvidia,tegra124-hda", "nvidia,tegra30-hda";
185        reg = <0x70030000 0x10000>;
186        interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
187        clocks = <&tegra_car TEGRA124_CLK_HDA>,
188                 <&tegra_car TEGRA124_CLK_HDA2HDMI>,
189                 <&tegra_car TEGRA124_CLK_HDA2CODEC_2X>;
190        clock-names = "hda", "hda2hdmi", "hda2codec_2x";
191        resets = <&tegra_car 125>, /* hda */
192                 <&tegra_car 128>, /* hda2hdmi */
193                 <&tegra_car 111>; /* hda2codec_2x */
194        reset-names = "hda", "hda2hdmi", "hda2codec_2x";
195        nvidia,model = "jetson-tk1-hda";
196    };
197
198...