1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h
index 896cb71a382c..1a1d58ebffbf 100644
--- a/include/linux/platform_data/dma-dw.h
+++ b/include/linux/platform_data/dma-dw.h
@@ -49,6 +49,7 @@ struct dw_dma_slave {
  * @data_width: Maximum data width supported by hardware per AHB master
  *              (in bytes, power of 2)
  * @multi_block: Multi block transfers supported by hardware per channel.
+ * @protctl: Protection control signals setting per channel.
  */
 struct dw_dma_platform_data {
         unsigned int    nr_channels;
@@ -65,6 +66,11 @@ struct dw_dma_platform_data {
         unsigned char   nr_masters;
         unsigned char   data_width[DW_DMA_MAX_NR_MASTERS];
         unsigned char   multi_block[DW_DMA_MAX_NR_CHANNELS];
+#define CHAN_PROTCTL_PRIVILEGED         BIT(0)
+#define CHAN_PROTCTL_BUFFERABLE         BIT(1)
+#define CHAN_PROTCTL_CACHEABLE          BIT(2)
+#define CHAN_PROTCTL_MASK               GENMASK(2, 0)
+        unsigned char   protctl;
 };
 
 #endif /* _PLATFORM_DATA_DMA_DW_H */