diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index 7f9c1ca8748766b66f9dbfa41e3734522a490863..c68d93a35b6c342ee2f4bb3eb460376b8ca18a60 100644
--- a/Documentation/devicetree/bindings/arm/coresight.txt
+++ b/Documentation/devicetree/bindings/arm/coresight.txt
@@ -127,6 +127,11 @@ its hardware characteristcs.
 	* arm,scatter-gather: boolean. Indicates that the TMC-ETR can safely
 	  use the SG mode on this system.
 
+	* arm,max-burst-size: The maximum burst size initiated by TMC on the
+	  AXI master interface. The burst size can be in the range [0..15],
+	  the setting supports one data transfer per burst up to a maximum of
+	  16 data transfers per burst.
+
 * Optional property for CATU :
 	* interrupts : Exactly one SPI may be listed for reporting the address
 	  error