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

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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>
This commit is contained in:
Bo Shen 2012-11-06 13:57:51 +08:00 • committed by Mark Brown
parent 90b4d60c61
commit 636036d29a
14 changed files with 54 additions and 26 deletions
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5
include/linux/atmel-ssc.h
View file

@ -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;