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charset="utf-8" Extend the qcom,q6apm-lpass-dais device tree binding to explicitly describe Digital Audio Interface (DAI) child nodes. Add #address-cells and #size-cells to allow representation of multiple DAI instances as child nodes, and define a dai@ pattern to document per-DAI properties such as the interface ID and associated clocks. Qualcomm platforms like talos integrate third-party audio codecs or use different external audio paths. These designs often require additional configuration such as explicit MI2S MCLK settings for audio to work. Co-developed-by: Srinivas Kandagatla Signed-off-by: Srinivas Kandagatla Signed-off-by: Mohammad Rafi Shaik --- .../bindings/sound/qcom,q6apm-lpass-dais.yaml | 41 ++++++++++++++++++- 1 file changed, 40 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sound/qcom,q6apm-lpass-dais.= yaml b/Documentation/devicetree/bindings/sound/qcom,q6apm-lpass-dais.yaml index 2fb95544d..1d770cbcb 100644 --- a/Documentation/devicetree/bindings/sound/qcom,q6apm-lpass-dais.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,q6apm-lpass-dais.yaml @@ -21,6 +21,34 @@ properties: '#sound-dai-cells': const: 1 =20 + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +# Digital Audio Interfaces +patternProperties: + '^dai@[0-9]+$': + type: object + description: + Q6DSP Digital Audio Interfaces. + + properties: + reg: + description: + Digital Audio Interface ID + + clocks: + minItems: 1 + maxItems: 3 + + clock-names: + minItems: 1 + maxItems: 3 + + additionalProperties: false + required: - compatible - '#sound-dai-cells' @@ -29,7 +57,18 @@ unevaluatedProperties: false =20 examples: - | - dais { + #include + + bedais { compatible =3D "qcom,q6apm-lpass-dais"; #sound-dai-cells =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + dai@16 { + reg =3D ; + clocks =3D <&q6prmcc LPASS_CLK_ID_MCLK_1 + LPASS_CLK_ATTRIBUTE_COUPLE_NO>; + clock-names =3D "mclk"; + }; }; --=20 2.34.1