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-rw-r--r--Documentation/devicetree/bindings/spi/spi-samsung.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt
index 59bfc4f9feb3..a15ffeddfba4 100644
--- a/Documentation/devicetree/bindings/spi/spi-samsung.txt
+++ b/Documentation/devicetree/bindings/spi/spi-samsung.txt
@@ -18,6 +18,9 @@ Required SoC Specific Properties:
- interrupts: The interrupt number to the cpu. The interrupt specifier format
depends on the interrupt controller.
+[PRELIMINARY: the dma channel allocation will change once there are
+official DMA bindings]
+
- tx-dma-channel: The dma channel specifier for tx operations. The format of
the dma specifier depends on the dma controller.