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Diffstat (limited to 'include/linux/platform_data/dma-dw.h')
-rw-r--r--include/linux/platform_data/dma-dw.h6
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 */