ARM: at91: atmel-ssc: add device tree support

Add atmel-ssc for device tree support

Match "atmel,at91rm9200-ssc" for using pdc for data transfer
Match "atmel,at91sam9g45-ssc" for using dma for data transfer

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index 03fc136..69667d0 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -30,6 +30,7 @@
 		i2c0 = &i2c0;
 		i2c1 = &i2c1;
 		i2c2 = &i2c2;
+		ssc0 = &ssc0;
 	};
 	cpus {
 		cpu@0 {
@@ -87,6 +88,13 @@
 				interrupts = <1 4 7>;
 			};
 
+			ssc0: ssc@f0010000 {
+				compatible = "atmel,at91sam9g45-ssc";
+				reg = <0xf0010000 0x4000>;
+				interrupts = <28 4 5>;
+				status = "disable";
+			};
+
 			tcb0: timer@f8008000 {
 				compatible = "atmel,at91sam9x5-tcb";
 				reg = <0xf8008000 0x100>;