[PATCH 1/2] dt-bindings: coresight: Add burst size for TMC

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Add "arm,max-burst-size" optional property for TMC ETR.
If specified, this value indicates the maximum burst size
that can be initiated by TMC on the AXI bus.

Signed-off-by: Tanmay Jagdale <tanmay@xxxxxxxxxxx>
---
 Documentation/devicetree/bindings/arm/coresight.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index 7f9c1ca87487..7971f8dba2ee 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 upto a maximum of
+	  16 data transfers per burst.
+
 * Optional property for CATU :
 	* interrupts : Exactly one SPI may be listed for reporting the address
 	  error
-- 
2.25.1




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