Re: [PATCH 1/2] dt-bindings: coresight: Add burst size for TMC
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From: Mike Leach <hidden>
Date: 2021-09-02 16:27:44
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linux-arm-kernel
On Wed, 1 Sept 2021 at 14:12, Tanmay Jagdale [off-list ref] wrote:
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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 <redacted> --- 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 <redacted> -- Mike Leach Principal Engineer, ARM Ltd. Manchester Design Centre. UK