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ARM: highbank: add coherent DMA setup

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Some highbank DMA masters can support coherent (ACP) or non-coherent DMA.
This sets up dma_map_ops for masters which are configured for coherent DMA.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
This commit is contained in:
Rob Herring
2012-08-21 12:31:06 +02:00
committed by Marek Szyprowski
parent 48aa820f1e
commit 1dc737c44a
5 changed files with 62 additions and 0 deletions
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3
Documentation/devicetree/bindings/ata/ahci-platform.txt
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@@ -8,6 +8,9 @@ Required properties:
- interrupts : <interrupt mapping for SATA IRQ>
- reg : <registers mapping>
Optional properties:
- dma-coherent : Present if dma operations are coherent
Example:
sata@ffe08000 {
compatible = "calxeda,hb-ahci";

3
Documentation/devicetree/bindings/dma/arm-pl330.txt
View File

@@ -9,6 +9,9 @@ Required properties:
region.
- interrupts: interrupt number to the cpu.
Optional properties:
- dma-coherent : Present if dma operations are coherent
Example:
pdma0: pdma@12680000 {

3
Documentation/devicetree/bindings/net/calxeda-xgmac.txt
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@@ -6,6 +6,9 @@ Required properties:
- interrupts : Should contain 3 xgmac interrupts. The 1st is main interrupt.
The 2nd is pwr mgt interrupt. The 3rd is low power state interrupt.
Optional properties:
- dma-coherent : Present if dma operations are coherent
Example:
ethernet@fff50000 {