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

[Mike Leach]

On Wed, 1 Sept 2021 at 14:12, Tanmay Jagdale <tanmay at marvell.com> 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 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
>

Reviewed-by: Mike Leach <mike.leach at linaro.org>

-- 
Mike Leach
Principal Engineer, ARM Ltd.
Manchester Design Centre. UK