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/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 400d1a3..af47c75 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -187,6 +187,9 @@
 	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.0", &ssc0_clk),
 	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.1", &ssc1_clk),
 	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.2", &ssc2_clk),
+	CLKDEV_CON_DEV_ID("pclk", "fffd0000.ssc", &ssc0_clk),
+	CLKDEV_CON_DEV_ID("pclk", "fffd4000.ssc", &ssc1_clk),
+	CLKDEV_CON_DEV_ID("pclk", "fffd8000.ssc", &ssc2_clk),
 	CLKDEV_CON_DEV_ID(NULL, "i2c-at91rm9200.0", &twi_clk),
 	/* fake hclk clock */
 	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),