Messages in this thread | | | Date | Mon, 11 Nov 2013 14:35:32 +0000 | From | Dave Martin <> | Subject | Re: [PATCH 01/11] devicetree: bindings: Document cpu enable-method for ARM CPUs |
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On Fri, Nov 01, 2013 at 03:08:49PM -0700, Stephen Boyd wrote: > From: Rohit Vaswani <rvaswani@codeaurora.org> > > According to the ePAPR CPUs should have an enable method. On ARM > the enable-method property has not been used so far, so document > this property as an optional property and add the spin-table > method as one value > > Cc: <devicetree@vger.kernel.org> > Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org> > [sboyd: Split off into separate patch] > Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> > --- > Documentation/devicetree/bindings/arm/cpus.txt | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt > index f32494d..37258f9 100644 > --- a/Documentation/devicetree/bindings/arm/cpus.txt > +++ b/Documentation/devicetree/bindings/arm/cpus.txt > @@ -45,6 +45,14 @@ For the ARM architecture every CPU node must contain the following properties: > "marvell,xsc3" > "marvell,xscale" > > +And the following optional properties: > + > +- enable-method: Specifies the method used to enable or take the secondary cores > + out of reset. This allows different reset sequence for > + different types of cpus. > + This should be one of: > + "spin-table" > +
If you've not already done so, take a look at the changes to this documentation in linux-next.
There is some documentation about what the spin-table should actually mean for ARM in Documentation/arm64/booting.txt.
We might need to add pointers from Documentation/arm/Booting?
Cheers ---Dave
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