From: Tanmay Jagdale Date: Wed, 1 Sep 2021 13:10:48 +0000 (+0530) Subject: dt-bindings: coresight: Add burst size for TMC X-Git-Tag: v6.1-rc5~2660^2^2~33 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0ab47f8079f27edc44ea0bcc67078561bcfdf542;p=platform%2Fkernel%2Flinux-starfive.git dt-bindings: coresight: Add burst size for TMC 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 Reviewed-by: Mike Leach Acked-by: Rob Herring Link: https://lore.kernel.org/r/20210901131049.1365367-2-tanmay@marvell.com Signed-off-by: Mathieu Poirier --- diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt index 7f9c1ca..c68d93a 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