[PATCH 1/2] dt-bindings: coresight: Add burst size for TMC
Tanmay Jagdale
tanmay at marvell.com
Wed Sep 1 06:10:48 PDT 2021
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 at marvell.com>
---
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
More information about the linux-arm-kernel
mailing list