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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/sound/qcom,q6asm.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/sound/qcom,q6asm.txt | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/qcom,q6asm.txt b/Documentation/devicetree/bindings/sound/qcom,q6asm.txt new file mode 100644 index 000000000..8c4883bec --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,q6asm.txt @@ -0,0 +1,70 @@ +Qualcomm Audio Stream Manager (Q6ASM) binding + +Q6ASM is one of the APR audio service on Q6DSP. +Please refer to qcom,apr.txt for details of the common apr service bindings +used by the apr service device. + +- but must contain the following property: + +- compatible: + Usage: required + Value type: <stringlist> + Definition: must be "qcom,q6asm-v<MAJOR-NUMBER>.<MINOR-NUMBER>". + Or "qcom,q6asm" where the version number can be queried + from DSP. + example "qcom,q6asm-v2.0" + += ASM DAIs (Digial Audio Interface) +"dais" subnode of the ASM node represents dai specific configuration + +- compatible: + Usage: required + Value type: <stringlist> + Definition: must be "qcom,q6asm-dais". + +- #sound-dai-cells + Usage: required + Value type: <u32> + Definition: Must be 1 + +== ASM DAI is subnode of "dais" and represent a dai, it includes board specific +configuration of each dai. Must contain the following properties. + +- reg + Usage: required + Value type: <u32> + Definition: Must be dai id + +- direction: + Usage: Required for Compress offload dais + Value type: <u32> + Definition: Specifies 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: + Usage: Required for Compress offload dais + Value type: <boolean> + Definition: present for Compress offload dais + + += EXAMPLE +#include <dt-bindings/sound/qcom,q6asm.h> + +apr-service@7 { + compatible = "qcom,q6asm"; + reg = <APR_SVC_ASM>; + q6asmdai: dais { + compatible = "qcom,q6asm-dais"; + #address-cells = <1>; + #size-cells = <0>; + #sound-dai-cells = <1>; + + dai@0 { + reg = <0>; + direction = <Q6ASM_DAI_RX>; + is-compress-dai; + }; + }; +}; |