| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/sound/nvidia,tegra210-sfc.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Tegra210 SFC Device Tree Bindings |
| |
| description: | |
| The Sampling Frequency Converter (SFC) converts the sampling frequency |
| of the input signal from one frequency to another. It supports sampling |
| frequency conversions of streams of up to two channels (stereo). |
| |
| maintainers: |
| - Jon Hunter <jonathanh@nvidia.com> |
| - Mohan Kumar <mkumard@nvidia.com> |
| - Sameer Pujar <spujar@nvidia.com> |
| |
| allOf: |
| - $ref: name-prefix.yaml# |
| |
| properties: |
| $nodename: |
| pattern: "^sfc@[0-9a-f]*$" |
| |
| compatible: |
| oneOf: |
| - const: nvidia,tegra210-sfc |
| - items: |
| - enum: |
| - nvidia,tegra194-sfc |
| - nvidia,tegra186-sfc |
| - const: nvidia,tegra210-sfc |
| |
| reg: |
| maxItems: 1 |
| |
| sound-name-prefix: |
| pattern: "^SFC[1-9]$" |
| |
| ports: |
| $ref: /schemas/graph.yaml#/properties/ports |
| properties: |
| port@0: |
| $ref: audio-graph-port.yaml# |
| unevaluatedProperties: false |
| description: | |
| SFC ACIF (Audio Client Interface) input port. This is connected |
| to corresponding ACIF output port on AHUB (Audio Hub). |
| |
| port@1: |
| $ref: audio-graph-port.yaml# |
| unevaluatedProperties: false |
| description: | |
| SFC ACIF output port. This is connected to corresponding ACIF |
| input port on AHUB. |
| |
| required: |
| - compatible |
| - reg |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| |
| sfc@702d2000 { |
| compatible = "nvidia,tegra210-sfc"; |
| reg = <0x702d2000 0x200>; |
| sound-name-prefix = "SFC1"; |
| }; |
| |
| ... |
