diff --git a/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml b/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml
index 4d9efcea38598fadb9ccf9e4ffec54a0f5a38b83..d87e13496834a48098768a56b4c90a742a70b486 100644
--- a/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml
+++ b/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml
@@ -259,6 +259,8 @@ properties:
       configuration space registers, Port Logic registers, DMA and iATU
       registers. This feature has been available since DWC PCIe v4.80a.
 
+  dma-coherent: true
+
 additionalProperties: true
 
 ...