| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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,tegra210-sfc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Tegra210 SFC |
| 8 | |
| 9 | description: | |
| 10 | The Sampling Frequency Converter (SFC) converts the sampling frequency |
| 11 | of the input signal from one frequency to another. It supports sampling |
| 12 | frequency conversions of streams of up to two channels (stereo). |
| 13 | |
| 14 | maintainers: |
| 15 | - Jon Hunter <jonathanh@nvidia.com> |
| 16 | - Mohan Kumar <mkumard@nvidia.com> |
| 17 | - Sameer Pujar <spujar@nvidia.com> |
| 18 | |
| 19 | allOf: |
| 20 | - $ref: dai-common.yaml# |
| 21 | |
| 22 | properties: |
| 23 | $nodename: |
| 24 | pattern: "^sfc@[0-9a-f]*$" |
| 25 | |
| 26 | compatible: |
| 27 | oneOf: |
| 28 | - const: nvidia,tegra210-sfc |
| 29 | - items: |
| 30 | - enum: |
| 31 | - nvidia,tegra234-sfc |
| 32 | - nvidia,tegra194-sfc |
| 33 | - nvidia,tegra186-sfc |
| 34 | - const: nvidia,tegra210-sfc |
| 35 | |
| 36 | reg: |
| 37 | maxItems: 1 |
| 38 | |
| 39 | sound-name-prefix: |
| 40 | pattern: "^SFC[1-9]$" |
| 41 | |
| 42 | ports: |
| 43 | $ref: /schemas/graph.yaml#/properties/ports |
| 44 | properties: |
| 45 | port@0: |
| 46 | $ref: audio-graph-port.yaml# |
| 47 | unevaluatedProperties: false |
| 48 | description: | |
| 49 | SFC ACIF (Audio Client Interface) input port. This is connected |
| 50 | to corresponding ACIF output port on AHUB (Audio Hub). |
| 51 | |
| 52 | port@1: |
| 53 | $ref: audio-graph-port.yaml# |
| 54 | unevaluatedProperties: false |
| 55 | description: | |
| 56 | SFC ACIF output port. This is connected to corresponding ACIF |
| 57 | input port on AHUB. |
| 58 | |
| 59 | required: |
| 60 | - compatible |
| 61 | - reg |
| 62 | |
| 63 | additionalProperties: false |
| 64 | |
| 65 | examples: |
| 66 | - | |
| 67 | |
| 68 | sfc@702d2000 { |
| 69 | compatible = "nvidia,tegra210-sfc"; |
| 70 | reg = <0x702d2000 0x200>; |
| 71 | sound-name-prefix = "SFC1"; |
| 72 | }; |
| 73 | |
| 74 | ... |