Add optional dma-coherent property to support coherent PCIe DMA traffic.
Signed-off-by: Bharat Kumar Gogada <[email protected]>
---
Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt b/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
index 01bf7fdf4c19..2d677e90a7e2 100644
--- a/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
@@ -33,6 +33,8 @@ Required properties:
- #address-cells: specifies the number of cells needed to encode an
address. The value must be 0.
+Optional properties:
+- dma-coherent: present if DMA operations are coherent
Example:
++++++++
--
2.17.1