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authorChristian Fischer <fischerc@swissphone.de>2018-01-12 14:22:59 +0100
committerMark Brown <broonie@kernel.org>2018-01-12 21:23:47 +0000
commit949293d45d6b0951e2dfdfd670a9c0092b10fd27 (patch)
tree4d38399737ce878e284d6419300b042191f16572 /Documentation
parent4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff)
ASoC: mxs-sgtl5000: add audio-routing support
Add dapm_widgets to machine-driver (from imx-sgtl5000). If the "audio-routing"-property is present at probing the dapm-widgets getting linked to the card. Signed-off-by: Christian Fischer <fischerc@swissphone.de> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/sound/mxs-audio-sgtl5000.txt33
1 files changed, 29 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/sound/mxs-audio-sgtl5000.txt b/Documentation/devicetree/bindings/sound/mxs-audio-sgtl5000.txt
index 601c518eddaa..4eb980bd0287 100644
--- a/Documentation/devicetree/bindings/sound/mxs-audio-sgtl5000.txt
+++ b/Documentation/devicetree/bindings/sound/mxs-audio-sgtl5000.txt
@@ -1,10 +1,31 @@
* Freescale MXS audio complex with SGTL5000 codec
Required properties:
-- compatible: "fsl,mxs-audio-sgtl5000"
-- model: The user-visible name of this sound complex
-- saif-controllers: The phandle list of the MXS SAIF controller
-- audio-codec: The phandle of the SGTL5000 audio codec
+- compatible : "fsl,mxs-audio-sgtl5000"
+- model : The user-visible name of this sound complex
+- saif-controllers : The phandle list of the MXS SAIF 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
Example:
@@ -14,4 +35,8 @@ sound {
model = "imx28-evk-sgtl5000";
saif-controllers = <&saif0 &saif1>;
audio-codec = <&sgtl5000>;
+ audio-routing =
+ "MIC_IN", "Mic Jack",
+ "Mic Jack", "Mic Bias",
+ "Headphone Jack", "HP_OUT";
};