bindings/sound/nvidia%2Ctegra210-ahub.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra210-ahub.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Tegra210 AHUB
10   The Audio Hub (AHUB) comprises a collection of hardware accelerators
11   for audio pre-processing, post-processing and a programmable full
17   - Jon Hunter <jonathanh@nvidia.com>
18   - Sameer Pujar <spujar@nvidia.com>
22     pattern: "^ahub@[0-9a-f]*$"
26       - enum:
27           - nvidia,tegra210-ahub
28           - nvidia,tegra186-ahub
29           - nvidia,tegra234-ahub
30       - items:
31           - const: nvidia,tegra194-ahub
32           - const: nvidia,tegra186-ahub
40   clock-names:
41     const: ahub
43   assigned-clocks:
46   assigned-clock-parents:
49   assigned-clock-rates:
52   "#address-cells":
55   "#size-cells":
63       Contains list of ACIF (Audio CIF) port nodes for AHUB (Audio Hub).
64       These are connected to ACIF interfaces of AHUB clients. Thus the
65       number of port nodes depend on the number of clients that AHUB may
69       '^port@[0-9]':
70         $ref: audio-graph-port.yaml#
74   '^i2s@[0-9a-f]+$':
77   '^dmic@[0-9a-f]+$':
79     $ref: nvidia,tegra210-dmic.yaml#
81   '^admaif@[0-9a-f]+$':
83     $ref: nvidia,tegra210-admaif.yaml#
85   '^dspk@[0-9a-f]+$':
87     $ref: nvidia,tegra186-dspk.yaml#
89   '^mvc@[0-9a-f]+$':
91     $ref: nvidia,tegra210-mvc.yaml#
93   '^sfc@[0-9a-f]+$':
95     $ref: nvidia,tegra210-sfc.yaml#
97   '^amx@[0-9a-f]+$':
99     $ref: nvidia,tegra210-amx.yaml#
101   '^adx@[0-9a-f]+$':
103     $ref: nvidia,tegra210-adx.yaml#
105   '^amixer@[0-9a-f]+$':
107     $ref: nvidia,tegra210-mixer.yaml#
109   '^asrc@[0-9a-f]+$':
111     $ref: nvidia,tegra186-asrc.yaml#
113   '^processing-engine@[0-9a-f]+$':
115     $ref: nvidia,tegra210-ope.yaml#
118   - compatible
119   - reg
120   - clocks
121   - clock-names
122   - assigned-clocks
123   - assigned-clock-parents
124   - "#address-cells"
125   - "#size-cells"
126   - ranges
131   - |
132     #include<dt-bindings/clock/tegra210-car.h>
134     ahub@702d0800 {
135         compatible = "nvidia,tegra210-ahub";
138         clock-names = "ahub";
139         assigned-clocks = <&tegra_car TEGRA210_CLK_D_AUDIO>;
140         assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_A_OUT0>;
141         #address-cells = <1>;
142         #size-cells = <1>;
145         // All AHUB child nodes below
147             compatible = "nvidia,tegra210-admaif";
159             dma-names = "rx1",  "tx1",
172             compatible = "nvidia,tegra210-i2s";
175             clock-names = "i2s";
176             assigned-clocks = <&tegra_car TEGRA210_CLK_I2S0>;
177             assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_A_OUT0>;
178             assigned-clock-rates = <1536000>;
179             sound-name-prefix = "I2S1";
183             compatible = "nvidia,tegra210-dmic";
186             clock-names = "dmic";
187             assigned-clocks = <&tegra_car TEGRA210_CLK_DMIC1>;
188             assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_A_OUT0>;
189             assigned-clock-rates = <3072000>;
190             sound-name-prefix = "DMIC1";