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| author | Vinod Koul <vinod.koul@intel.com> | 2016-05-17 07:44:16 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-05-17 07:44:16 +0300 |
| commit | 56214883c586a235ea73c07a423b27ee62ea2810 (patch) | |
| tree | 8718f223dd672d029bb15893c4846a0f94c1c3ce /Documentation/devicetree/bindings/dma/snps-dma.txt | |
| parent | 95c4dc7b2c622a3cc41535f67f46dd31332186c8 (diff) | |
| parent | 3a14c66d43d018baed96ceb74f9ab548878c09b8 (diff) | |
| download | linux-56214883c586a235ea73c07a423b27ee62ea2810.tar.xz | |
Merge branch 'topic/dw' into for-linus
Diffstat (limited to 'Documentation/devicetree/bindings/dma/snps-dma.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/snps-dma.txt | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/dma/snps-dma.txt b/Documentation/devicetree/bindings/dma/snps-dma.txt index c261598164a7..0f5583293c9c 100644 --- a/Documentation/devicetree/bindings/dma/snps-dma.txt +++ b/Documentation/devicetree/bindings/dma/snps-dma.txt @@ -13,6 +13,11 @@ Required properties: - chan_priority: priority of channels. 0 (default): increase from chan 0->n, 1: increase from chan n->0 - block_size: Maximum block size supported by the controller +- data-width: Maximum data width supported by hardware per AHB master + (in bytes, power of 2) + + +Deprecated properties: - data_width: Maximum data width supported by hardware per AHB master (0 - 8bits, 1 - 16bits, ..., 5 - 256bits) @@ -38,7 +43,7 @@ Example: chan_allocation_order = <1>; chan_priority = <1>; block_size = <0xfff>; - data_width = <3 3>; + data-width = <8 8>; }; DMA clients connected to the Designware DMA controller must use the format @@ -47,8 +52,8 @@ The four cells in order are: 1. A phandle pointing to the DMA controller 2. The DMA request line number -3. Source master for transfers on allocated channel -4. Destination master for transfers on allocated channel +3. Memory master for transfers on allocated channel +4. Peripheral master for transfers on allocated channel Example: |