[alsa-devel] [PATCH v3 04/25] dt-bindings: sound: qcom: Add bindings for q6afe

srinivas.kandagatla at linaro.org srinivas.kandagatla at linaro.org
Tue Feb 13 17:58:16 CET 2018


From: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
---
 .../devicetree/bindings/sound/qcom,q6afe.txt       | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6afe.txt

diff --git a/Documentation/devicetree/bindings/sound/qcom,q6afe.txt b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt
new file mode 100644
index 000000000000..4b389124275c
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt
@@ -0,0 +1,38 @@
+Qualcomm Audio Front End (Q6AFE) binding
+
+AFE is one of the APR audio service on Q6DSP
+Please refer to qcom,apr.txt for details of the coommon 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,afe-v<MAJOR-NUMBER>.<MINOR-NUMBER>".
+		    example "qcom,afe-v2.0"
+
+- qcom,apr-svc-id
+	Usage: required
+	Value type: <prop-encoded-array>
+	Definition: Must be 4 for Audio Front End Service.
+
+- qcom,apr-svc-name
+	Usage: required
+	Value type: <stringlist>
+	Definition: Must be "AFE"
+
+- #sound-dai-cells
+	Usage: required
+	Value type: <prop-encoded-array>
+	Definition: Must be 1
+
+
+= EXAMPLE
+
+q6afe {
+	compatible = "qcom,q6afe";
+	qcom,apr-svc-name = "AFE";
+	qcom,apr-svc-id = <APR_SVC_AFE>;
+	#sound-dai-cells = <1>;
+};
-- 
2.15.1



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