diff --git a/bindings/pci/pci-msm.txt b/bindings/pci/pci-msm.txt
index 27741ba20e1c..5998845151a4 100644
--- a/bindings/pci/pci-msm.txt
+++ b/bindings/pci/pci-msm.txt
@@ -400,6 +400,9 @@ interconnects:
 	Value type: <prop-encoded array>
 	Definition: PCIe PHY initialization sequence
 
+- qcom,msi_mask_disable:
+	Usage: optional
+	Definition: Disable masking MSI interrupts at EP side
 
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