On Wed, 1 Sept 2021 at 14:12, Tanmay Jagdale <tanmay@xxxxxxxxxxx> wrote: > > 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 > Reviewed-by: Mike Leach <mike.leach@xxxxxxxxxx> -- Mike Leach Principal Engineer, ARM Ltd. Manchester Design Centre. UK
