ARM: dts: enable audio support for imx28-evk

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index 0b8eeb559906..ee520a529cb4 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -41,10 +41,31 @@
                 };
 
                 apbx@80040000 {
+                        saif0: saif@80042000 {
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&saif0_pins_a>;
+                                status = "okay";
+                        };
+
+                        saif1: saif@80046000 {
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&saif1_pins_a>;
+                                fsl,saif-master = <&saif0>;
+                                status = "okay";
+                        };
+
                         i2c0: i2c@80058000 {
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&i2c0_pins_a>;
                                 status = "okay";
+
+                                sgtl5000: codec@0a {
+                                        compatible = "fsl,sgtl5000";
+                                        reg = <0x0a>;
+                                        VDDA-supply = <&reg_3p3v>;
+                                        VDDIO-supply = <&reg_3p3v>;
+
+                                };
                         };
 
                         duart: serial@80074000 {
@@ -70,4 +91,24 @@
                         status = "okay";
                 };
         };
+
+        regulators {
+                compatible = "simple-bus";
+
+                reg_3p3v: 3p3v {
+                        compatible = "regulator-fixed";
+                        regulator-name = "3P3V";
+                        regulator-min-microvolt = <3300000>;
+                        regulator-max-microvolt = <3300000>;
+                        regulator-always-on;
+                };
+        };
+
+        sound {
+                compatible = "fsl,imx28-evk-sgtl5000",
+                             "fsl,mxs-audio-sgtl5000";
+                model = "imx28-evk-sgtl5000";
+                saif-controllers = <&saif0 &saif1>;
+                audio-codec = <&sgtl5000>;
+        };
 };