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-rw-r--r--include/linux/dw_dmac.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/dw_dmac.h b/include/linux/dw_dmac.h
index 3315ef9c785b..e1c8c9e919ac 100644
--- a/include/linux/dw_dmac.h
+++ b/include/linux/dw_dmac.h
@@ -20,6 +20,9 @@
* @is_private: The device channels should be marked as private and not for
* by the general purpose DMA channel allocator.
* @block_size: Maximum block size supported by the controller
+ * @nr_masters: Number of AHB masters supported by the controller
+ * @data_width: Maximum data width supported by hardware per AHB master
+ * (0 - 8bits, 1 - 16bits, ..., 5 - 256bits)
*/
struct dw_dma_platform_data {
unsigned int nr_channels;
@@ -31,6 +34,8 @@ struct dw_dma_platform_data {
#define CHAN_PRIORITY_DESCENDING 1 /* chan7 highest */
unsigned char chan_priority;
unsigned short block_size;
+ unsigned char nr_masters;
+ unsigned char data_width[4];
};
/* bursts size */