summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/dma/snps-dma.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/dma/snps-dma.txt')
-rw-r--r--Documentation/devicetree/bindings/dma/snps-dma.txt6
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/dma/snps-dma.txt b/Documentation/devicetree/bindings/dma/snps-dma.txt
index 39e2b26be344..0bedceed1963 100644
--- a/Documentation/devicetree/bindings/dma/snps-dma.txt
+++ b/Documentation/devicetree/bindings/dma/snps-dma.txt
@@ -23,10 +23,12 @@ Deprecated properties:
Optional properties:
-- is_private: The device channels should be marked as private and not for by the
- general purpose DMA channel allocator. False if not passed.
- multi-block: Multi block transfers supported by hardware. Array property with
one cell per channel. 0: not supported, 1 (default): supported.
+- snps,dma-protection-control: AHB HPROT[3:1] protection setting.
+ The default value is 0 (for non-cacheable, non-buffered,
+ unprivileged data access).
+ Refer to include/dt-bindings/dma/dw-dmac.h for possible values.
Example: