ARM: at91: atmel-ssc: add platform device id table

Add platform device id to check whether the SSC controller support
pdc or dam for data transfer

If match "at91rm9200_ssc", which support pdc for data transfer
If match "at91sam9g45_ssc", which support 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>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/atmel-ssc.h b/include/linux/atmel-ssc.h
index 4eb31752e2b7..1ca0e3292bc9 100644
--- a/include/linux/atmel-ssc.h
+++ b/include/linux/atmel-ssc.h
@@ -5,10 +5,15 @@
 #include <linux/list.h>
 #include <linux/io.h>
 
+struct atmel_ssc_platform_data {
+        int                     use_dma;
+};
+
 struct ssc_device {
         struct list_head        list;
         void __iomem            *regs;
         struct platform_device  *pdev;
+        struct atmel_ssc_platform_data *pdata;
         struct clk              *clk;
         int                     user;
         int                     irq;