1aa56a9deSSameer Pujar# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2aa56a9deSSameer Pujar%YAML 1.2 3aa56a9deSSameer Pujar--- 4aa56a9deSSameer Pujar$id: http://devicetree.org/schemas/sound/nvidia,tegra210-adx.yaml# 5aa56a9deSSameer Pujar$schema: http://devicetree.org/meta-schemas/core.yaml# 6aa56a9deSSameer Pujar 7dd3cb467SAndrew Lunntitle: Tegra210 ADX 8aa56a9deSSameer Pujar 9aa56a9deSSameer Pujardescription: | 10aa56a9deSSameer Pujar The Audio Demultiplexer (ADX) block takes an input stream with up to 11aa56a9deSSameer Pujar 16 channels and demultiplexes it into four output streams of up to 16 12aa56a9deSSameer Pujar channels each. A byte RAM helps to form output frames by any combination 13aa56a9deSSameer Pujar of bytes from the input frame. Its design is identical to that of byte 14aa56a9deSSameer Pujar RAM in the AMX except that the data flow direction is reversed. 15aa56a9deSSameer Pujar 16aa56a9deSSameer Pujarmaintainers: 17aa56a9deSSameer Pujar - Jon Hunter <jonathanh@nvidia.com> 18aa56a9deSSameer Pujar - Mohan Kumar <mkumard@nvidia.com> 19aa56a9deSSameer Pujar - Sameer Pujar <spujar@nvidia.com> 20aa56a9deSSameer Pujar 21aa56a9deSSameer PujarallOf: 22*3fda8532SKrzysztof Kozlowski - $ref: dai-common.yaml# 23aa56a9deSSameer Pujar 24aa56a9deSSameer Pujarproperties: 25aa56a9deSSameer Pujar $nodename: 26aa56a9deSSameer Pujar pattern: "^adx@[0-9a-f]*$" 27aa56a9deSSameer Pujar 28aa56a9deSSameer Pujar compatible: 29aa56a9deSSameer Pujar oneOf: 30aa56a9deSSameer Pujar - const: nvidia,tegra210-adx 31aa56a9deSSameer Pujar - items: 32aa56a9deSSameer Pujar - enum: 33fed44d6cSSameer Pujar - nvidia,tegra234-adx 34aa56a9deSSameer Pujar - nvidia,tegra194-adx 35aa56a9deSSameer Pujar - nvidia,tegra186-adx 36aa56a9deSSameer Pujar - const: nvidia,tegra210-adx 37aa56a9deSSameer Pujar 38aa56a9deSSameer Pujar reg: 39aa56a9deSSameer Pujar maxItems: 1 40aa56a9deSSameer Pujar 41aa56a9deSSameer Pujar sound-name-prefix: 42aa56a9deSSameer Pujar pattern: "^ADX[1-9]$" 43aa56a9deSSameer Pujar 44aa56a9deSSameer Pujar ports: 45aa56a9deSSameer Pujar $ref: /schemas/graph.yaml#/properties/ports 46aa56a9deSSameer Pujar description: | 47aa56a9deSSameer Pujar ADX has one input and four outputs. Accordingly ACIF (Audio Client 48aa56a9deSSameer Pujar Interface) port nodes are defined to represent ADX input (port 0) 49aa56a9deSSameer Pujar and outputs (ports 1 to 4). These are connected to corresponding 50aa56a9deSSameer Pujar ports on AHUB (Audio Hub). 51aa56a9deSSameer Pujar properties: 52aa56a9deSSameer Pujar port@0: 53aa56a9deSSameer Pujar $ref: audio-graph-port.yaml# 54aa56a9deSSameer Pujar unevaluatedProperties: false 55aa56a9deSSameer Pujar description: ADX ACIF input port 56aa56a9deSSameer Pujar patternProperties: 57aa56a9deSSameer Pujar '^port@[1-4]': 58aa56a9deSSameer Pujar $ref: audio-graph-port.yaml# 59aa56a9deSSameer Pujar unevaluatedProperties: false 60aa56a9deSSameer Pujar description: ADX ACIF output ports 61aa56a9deSSameer Pujar 62aa56a9deSSameer Pujarrequired: 63aa56a9deSSameer Pujar - compatible 64aa56a9deSSameer Pujar - reg 65aa56a9deSSameer Pujar 66aa56a9deSSameer PujaradditionalProperties: false 67aa56a9deSSameer Pujar 68aa56a9deSSameer Pujarexamples: 69aa56a9deSSameer Pujar - | 70aa56a9deSSameer Pujar 71aa56a9deSSameer Pujar adx@702d3800 { 72aa56a9deSSameer Pujar compatible = "nvidia,tegra210-adx"; 73aa56a9deSSameer Pujar reg = <0x702d3800 0x100>; 74aa56a9deSSameer Pujar sound-name-prefix = "ADX1"; 75aa56a9deSSameer Pujar }; 76aa56a9deSSameer Pujar 77aa56a9deSSameer Pujar... 78