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-rw-r--r--Documentation/devicetree/bindings/dma/ste-dma40.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/ste-dma40.txt b/Documentation/devicetree/bindings/dma/ste-dma40.txt
index 2679a873522d..bea5b73a7390 100644
--- a/Documentation/devicetree/bindings/dma/ste-dma40.txt
+++ b/Documentation/devicetree/bindings/dma/ste-dma40.txt
@@ -6,10 +6,12 @@ Required properties:
- reg-names: Names of the above areas to use during resource look-up
- interrupt: Should contain the DMAC interrupt number
- #dma-cells: must be <3>
+- memcpy-channels: Channels to be used for memcpy
Optional properties:
- dma-channels: Number of channels supported by hardware - if not present
the driver will attempt to obtain the information from H/W
+- disabled-channels: Channels which can not be used
Example:
@@ -21,6 +23,8 @@ Example:
interrupts = <0 25 0x4>;
#dma-cells = <2>;
+ memcpy-channels = <56 57 58 59 60>;
+ disabled-channels = <12>;
dma-channels = <8>;
};