| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/qcom,q6asm-dais.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm Audio Stream Manager (Q6ASM) |
| 8 | |
| 9 | maintainers: |
| 10 | - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> |
| 11 | - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
| 12 | |
| 13 | description: |
| 14 | Q6ASM is one of the APR audio services on Q6DSP. Each of its subnodes |
| 15 | represent a dai with board specific configuration. |
| 16 | |
| 17 | properties: |
| 18 | compatible: |
| 19 | enum: |
| 20 | - qcom,q6asm-dais |
| 21 | |
| 22 | iommus: |
| 23 | maxItems: 1 |
| 24 | |
| 25 | "#sound-dai-cells": |
| 26 | const: 1 |
| 27 | |
| 28 | "#address-cells": |
| 29 | const: 1 |
| 30 | |
| 31 | "#size-cells": |
| 32 | const: 0 |
| 33 | |
| 34 | patternProperties: |
| 35 | "^dai@[0-9]+$": |
| 36 | type: object |
| 37 | description: |
| 38 | Q6ASM Digital Audio Interface |
| 39 | |
| 40 | properties: |
| 41 | reg: |
| 42 | maxItems: 1 |
| 43 | |
| 44 | direction: |
| 45 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 46 | enum: [0, 1, 2] |
| 47 | description: | |
| 48 | The direction of the dai stream:: |
| 49 | - Q6ASM_DAI_TX_RX (0) for both tx and rx |
| 50 | - Q6ASM_DAI_TX (1) for only tx (Capture/Encode) |
| 51 | - Q6ASM_DAI_RX (2) for only rx (Playback/Decode) |
| 52 | |
| 53 | is-compress-dai: |
| 54 | type: boolean |
| 55 | description: |
| 56 | Compress offload dai. |
| 57 | |
| 58 | dependencies: |
| 59 | is-compress-dai: [ direction ] |
| 60 | |
| 61 | required: |
| 62 | - reg |
| 63 | |
| 64 | additionalProperties: false |
| 65 | |
| 66 | required: |
| 67 | - compatible |
| 68 | - "#sound-dai-cells" |
| 69 | - "#address-cells" |
| 70 | - "#size-cells" |
| 71 | |
| 72 | additionalProperties: false |
| 73 | |
| 74 | examples: |
| 75 | - | |
| 76 | dais { |
| 77 | compatible = "qcom,q6asm-dais"; |
| 78 | iommus = <&apps_smmu 0x1821 0x0>; |
| 79 | #address-cells = <1>; |
| 80 | #size-cells = <0>; |
| 81 | #sound-dai-cells = <1>; |
| 82 | |
| 83 | dai@0 { |
| 84 | reg = <0>; |
| 85 | }; |
| 86 | |
| 87 | dai@1 { |
| 88 | reg = <1>; |
| 89 | }; |
| 90 | |
| 91 | dai@2 { |
| 92 | reg = <2>; |
| 93 | is-compress-dai; |
| 94 | direction = <1>; |
| 95 | }; |
| 96 | }; |