On Mon, Feb 13, 2017 at 02:11:36PM +0800, Leo Yan wrote:
> Adding compatible string for new coresight debug driver.

Please give a more thorough description of the hardware this binding
this is intended to describe.

It's not entirely clear which component this binding is intended to
describe.

Thanks,
Mark.

> Signed-off-by: Leo Yan <leo....@linaro.org>
> ---
>  Documentation/devicetree/bindings/arm/coresight.txt | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/arm/coresight.txt 
> b/Documentation/devicetree/bindings/arm/coresight.txt
> index fcbae6a..3ff15fd 100644
> --- a/Documentation/devicetree/bindings/arm/coresight.txt
> +++ b/Documentation/devicetree/bindings/arm/coresight.txt
> @@ -40,6 +40,9 @@ its hardware characteristcs.
>               - System Trace Macrocell:
>                       "arm,coresight-stm", "arm,primecell"; [1]
>  
> +             - Debug Unit:
> +                     "arm,coresight-debug", "arm,primecell";
> +
>       * reg: physical base address and length of the register
>         set(s) of the component.
>  
> @@ -78,8 +81,10 @@ its hardware characteristcs.
>       * arm,cp14: must be present if the system accesses ETM/PTM management
>         registers via co-processor 14.
>  
> -     * cpu: the cpu phandle this ETM/PTM is affined to. When omitted the
> -       source is considered to belong to CPU0.
> +* Optional properties for ETM/PTM/Debugs:
> +
> +     * cpu: the cpu phandle this ETM/PTM/Debug is affined to. When omitted
> +       the source is considered to belong to CPU0.
>  
>  * Optional property for TMC:
>  
> -- 
> 2.7.4
> 

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