ASoC: fsl: add imx-sgtl5000 machine driver

This is the initial imx-sgtl5000 machine driver support with only
playback dai link implemented.  More features can be added on top
of it later.

It's a device tree only machine driver working with fsl_ssi driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt b/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt
new file mode 100644
index 000000000000..421a374790b3
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt
@@ -0,0 +1,24 @@
+Freescale i.MX audio complex with SGTL5000 codec
+
+Required properties:
+- compatible : "fsl,imx-audio-sgtl5000"
+- 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
+- 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
+
+Note: The AUDMUX port numbering should start at 1, which is consistent with
+hardware manual.
+
+Example:
+
+sound {
+        compatible = "fsl,imx51-babbage-sgtl5000",
+                     "fsl,imx-audio-sgtl5000";
+        model = "imx51-babbage-sgtl5000";
+        ssi-controller = <&ssi1>;
+        audio-codec = <&sgtl5000>;
+        mux-int-port = <1>;
+        mux-ext-port = <3>;
+};