openwrtv3/target/linux/mxs/patches-3.18/101-soc-audio-dts.patch

--- 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";
+			};
 		};
 	};
 
@@ -125,4 +144,10 @@
 			gpios = <&gpio2 1 1>;
 		};
 	};
+	
+	mxs-builtin-audio {
+		compatible = "fsl,mxs-builtin-audio";
+		audio-codec = <&codec>;
+		cpu-dai = <&platform_dai>;
+	};
 };