ARM: at91: add sound support on at91sam9n12ek board

Add sound support on at91sam9n12ek board with wm8904 as codec.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts
index 391c5322248e..e9487f6f0166 100644
--- a/arch/arm/boot/dts/at91sam9n12ek.dts
+++ b/arch/arm/boot/dts/at91sam9n12ek.dts
@@ -91,6 +91,13 @@
                                                         <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
                                         };
                                 };
+
+                                sound {
+                                        pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
+                                                atmel,pins =
+                                                        <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
+                                        };
+                                };
                         };
 
                         spi0: spi@f0000000 {
@@ -151,4 +158,22 @@
                         gpio-key,wakeup;
                 };
         };
+
+        sound {
+                compatible = "atmel,asoc-wm8904";
+                pinctrl-names = "default";
+                pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
+
+                atmel,model = "wm8904 @ AT91SAM9N12";
+                atmel,audio-routing =
+                        "Headphone Jack", "HPOUTL",
+                        "Headphone Jack", "HPOUTR",
+                        "IN2L", "Line In Jack",
+                        "IN2R", "Line In Jack",
+                        "Mic", "MICBIAS",
+                        "IN1L", "Mic";
+
+                atmel,ssc-controller = <&ssc0>;
+                atmel,audio-codec = <&wm8904>;
+        };
 };