Re: [PATCH RESEND 1/4] dt-bindings: add SMP enable-method for Broadcom NSP

[Scott Branden]

Hi Rob,

On 15-11-05 12:48 PM, Rob Herring wrote:
> On Thu, Nov 05, 2015 at 12:51:18AM -0500, Kapil Hali wrote:
> > Add a compatible string "brcm,bcm-nsp-smp" for Broadcom's
> > Northstar Plus CPU to the 32-bit ARM CPU device tree binding
> > documentation file and create a new binding documentation for
> > Northstar Plus CPU pen-release mechanism.
> >
> > Signed-off-by: Kapil Hali <kapilh@xxxxxxxxxxxx>
> > ---
> >   .../bindings/arm/bcm/brcm,nsp-cpu-method.txt       | 36 ++++++++++++++++++++++
> >   Documentation/devicetree/bindings/arm/cpus.txt     |  1 +
> >   2 files changed, 37 insertions(+)
> >   create mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt
> >
> > diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt
> > new file mode 100644
> > index 0000000..8506da7
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt
> > @@ -0,0 +1,36 @@
> > +Broadcom Northstar Plus SoC CPU Enable Method
> > +---------------------------------------------
> > +This binding defines the enable method used for starting secondary
> > +CPUs in the following Broadcom SoCs:
> > +  BCM58522, BCM58525, BCM58535, BCM58622, BCM58623, BCM58625, BCM88312
> > +
> > +The enable method is specified by defining the following required
> > +properties in the "cpus" device tree node:
> > +  - enable-method = "brcm,bcm-nsp-smp";
>
> This is supposed to be per core.
>
> > +  - secondary-boot-reg = <...>;
>
> What happens with more than 2 cores?
I'm pretty sure nothing - all of these SoCs have 1 or 2 cores.

Regards,
Scott
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