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-rw-r--r--Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt25
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt b/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt
index 421a374790b3..d09b4e31461c 100644
--- a/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt
+++ b/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt
@@ -5,6 +5,27 @@ Required properties:
- model : The user-visible name of this sound complex
- ssi-controller : The phandle of the i.MX SSI controller
- audio-codec : The phandle of the SGTL5000 audio codec
+- audio-routing : 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, SGTL5000 pins, and the jacks on the board:
+
+ Power supplies:
+ * Mic Bias
+
+ SGTL5000 pins:
+ * MIC_IN
+ * LINE_IN
+ * HP_OUT
+ * LINE_OUT
+
+ Board connectors:
+ * Mic Jack
+ * Line In Jack
+ * Headphone Jack
+ * Line Out Jack
+ * Ext Spk
+
- mux-int-port : The internal port of the i.MX audio muxer (AUDMUX)
- mux-ext-port : The external port of the i.MX audio muxer
@@ -19,6 +40,10 @@ sound {
model = "imx51-babbage-sgtl5000";
ssi-controller = <&ssi1>;
audio-codec = <&sgtl5000>;
+ audio-routing =
+ "Mic Jack", "Mic Bias",
+ "MIC_IN", "Mic Bias",
+ "Headphone Jack", "HP_OUT";
mux-int-port = <1>;
mux-ext-port = <3>;
};