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>

diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts
index 391c532..e9487f6 100644 (file)
--- 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>;
+       };
 };