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| author | Rob Herring <rob.herring@calxeda.com> | 2012-08-21 14:31:06 +0400 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2012-10-02 10:58:07 +0400 |
| commit | 1dc737c44a11c66f23ebeb09796f52f4b60d59c7 (patch) | |
| tree | 35d2020f28bdd4c406eaf2e6909c648ce12a66e5 /Documentation/devicetree/bindings/ata | |
| parent | 48aa820f1e3824e46dde6251db98e5961abf605d (diff) | |
| download | linux-1dc737c44a11c66f23ebeb09796f52f4b60d59c7.tar.xz | |
ARM: highbank: add coherent DMA setup
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>
Diffstat (limited to 'Documentation/devicetree/bindings/ata')
| -rw-r--r-- | Documentation/devicetree/bindings/ata/ahci-platform.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt index 8bb8a76d42e8..6c1ad01d27e8 100644 --- a/Documentation/devicetree/bindings/ata/ahci-platform.txt +++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt @@ -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"; |