| # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/sound/qcom,q6asm-dais.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Qualcomm Audio Stream Manager (Q6ASM) |
| |
| maintainers: |
| - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> |
| - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
| |
| description: |
| Q6ASM is one of the APR audio services on Q6DSP. Each of its subnodes |
| represent a dai with board specific configuration. |
| |
| properties: |
| compatible: |
| enum: |
| - qcom,q6asm-dais |
| |
| iommus: |
| maxItems: 1 |
| |
| "#sound-dai-cells": |
| const: 1 |
| |
| "#address-cells": |
| const: 1 |
| |
| "#size-cells": |
| const: 0 |
| |
| patternProperties: |
| "^dai@[0-9]+$": |
| type: object |
| description: |
| Q6ASM Digital Audio Interface |
| |
| properties: |
| reg: |
| maxItems: 1 |
| |
| direction: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| enum: [0, 1, 2] |
| description: | |
| The direction of the dai stream:: |
| - Q6ASM_DAI_TX_RX (0) for both tx and rx |
| - Q6ASM_DAI_TX (1) for only tx (Capture/Encode) |
| - Q6ASM_DAI_RX (2) for only rx (Playback/Decode) |
| |
| is-compress-dai: |
| type: boolean |
| description: |
| Compress offload dai. |
| |
| dependencies: |
| is-compress-dai: [ direction ] |
| |
| required: |
| - reg |
| |
| additionalProperties: false |
| |
| required: |
| - compatible |
| - "#sound-dai-cells" |
| - "#address-cells" |
| - "#size-cells" |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| dais { |
| compatible = "qcom,q6asm-dais"; |
| iommus = <&apps_smmu 0x1821 0x0>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| #sound-dai-cells = <1>; |
| |
| dai@0 { |
| reg = <0>; |
| }; |
| |
| dai@1 { |
| reg = <1>; |
| }; |
| |
| dai@2 { |
| reg = <2>; |
| is-compress-dai; |
| direction = <1>; |
| }; |
| }; |
