diff options
Diffstat (limited to 'include/linux/dw_dmac.h')
| -rw-r--r-- | include/linux/dw_dmac.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/dw_dmac.h b/include/linux/dw_dmac.h index 2412e02d7c0f..e1c8c9e919ac 100644 --- a/include/linux/dw_dmac.h +++ b/include/linux/dw_dmac.h @@ -19,6 +19,10 @@ * @nr_channels: Number of channels supported by hardware (max 8) * @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; @@ -29,6 +33,9 @@ struct dw_dma_platform_data { #define CHAN_PRIORITY_ASCENDING 0 /* chan0 highest */ #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 */ |