[PATCH v3 23/25] dt-bindings: sound: qcom: Add devicetree bindings for apq8096

srinivas.kandagatla
2018-02-13T17:02:00Z

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

Add devicetree bindings documentation file for Qualcomm apq8096 sound card.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
.../devicetree/bindings/sound/qcom,apq8096.txt | 89 ++++++++++++++++++++++
1 file changed, 89 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/qcom,apq8096.txt

diff --git a/Documentation/devicetree/bindings/sound/qcom,apq8096.txt b/Documentation/devicetree/bindings/sound/qcom,apq8096.txt
new file mode 100644
index 000000000000..58cd506477c0
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,apq8096.txt
@@ -0,0 +1,89 @@
+* Qualcomm Technologies APQ8096 ASoC sound card driver
+
+This binding describes the APQ8096 sound card, which uses qdsp for audio.
+
+- compatible:
+ Usage: required
+ Value type: <stringlist>
+ Definition: must be "qcom,apq8096-sndcard"
+
+- qcom,audio-routing:
+ Usage: Optional
+ Value type: <stringlist>
+ Definition: A list of the connections between audio components.
+ Each entry is a pair of strings, the first being the
+ connection's sink, the second being the connection's
+ source. Valid names could be power supplies, MicBias
+ of codec and the jacks on the board:
+
+= FRONTEND and BACKEND dailinks
+Each subnode of sndcard represents either frontend or backend dailink,
+and subnodes of each backend/frontend dailinks would be
+cpu/codec/platform dais.
+
+- link-name:
+ Usage: required
+ Value type: <string>
+ Definition: User friendly name for dai link
+
+- is-fe:
+ Usage: optional
+ Value type: <bool>
+ Definition: present if the dailink is frontend
+
+
+= CPU, PLATFORM, CODEC dais subnodes
+- cpu:
+ Usage: required
+ Value type: <subnode>
+ Definition: cpu dai sub-node
+
+- codec:
+ Usage: required
+ Value type: <subnode>
+ Definition: codec dai sub-node
+
+- platform:
+ Usage: opional
+ Value type: <subnode>
+ Definition: platform dai sub-node
+
+- sound-dai:
+ Usage: required
+ Value type: <phandle>
+ Definition: dai phandle/s and port of CPU/CODEC/PLATFORM node.
+
+Example:
+
+audio {
+ compatible = "qcom,apq8096-sndcard";
+ qcom,model = "DB820c";
+ qcom,audio-routing =
+ "RX_BIAS", "MCLK";
+
+ fedai1 {
+ is-fe;
+ link-name = "MultiMedia1 Playback";
+ cpu {
+ sound-dai = <&q6asm MSM_FRONTEND_DAI_MULTIMEDIA1>;
+ };
+ platform {
+ sound-dai = <&q6asm MSM_FRONTEND_DAI_MULTIMEDIA1>;
+ };
+ };
+
+ bedai1 {
+ link-name = "HDMI Playback";
+ cpu {
+ sound-dai = <&q6afe AFE_PORT_HDMI_RX>;
+ };
+
+ platform {
+ sound-dai = <&q6adm>;
+ };
+
+ codec {
+ sound-dai = <&hdmi 0>;
+ };
+ };
+};
--
2.15.1