--- /dev/null
+--- a/arch/arm/boot/dts/imx23-olinuxino.dts
++++ b/arch/arm/boot/dts/imx23-olinuxino.dts
+@@ -88,6 +88,25 @@
+ usbphy0: usbphy@8007c000 {
+ status = "okay";
+ };
++
++ codec: mxs-builtin-codec {
++ compatible = "fsl,mxs-builtin-codec";
++ reg = <0x80048000 0x2000>, <0x8004c000 0x2000>,
++ <0x8005c000 0x2000>;
++ reg-names = "audioout", "audioin", "rtc";
++ clocks = <&clks 31>;
++ clock-names = "filt";
++ };
++
++ platform_dai: mxs-builtin-cpu-dai {
++ compatible = "fsl,mxs-builtin-cpu-dai";
++ reg = <0x80048000 0x2000>, <0x8004c000 0x2000>,
++ <0x8005c000 0x2000>;
++ reg-names = "audioout", "audioin", "rtc";
++ interrupts = <8 6 4>;
++ dmas = <&dma_apbx 0>, <&dma_apbx 1>;
++ dma-names = "rx", "tx";
++ };
+ };
+ };
+
+@@ -122,4 +141,10 @@
+ gpios = <&gpio2 1 1>;
+ };
+ };
++
++ mxs-builtin-audio {
++ compatible = "fsl,mxs-builtin-audio";
++ audio-codec = <&codec>;
++ cpu-dai = <&platform_dai>;
++ };
+ };