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SubjectRe: [PATCH 02/11] devicetree: bindings: Document Qualcomm cpus and enable-method
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On Fri, Nov 1, 2013 at 5:08 PM, Stephen Boyd <sboyd@codeaurora.org> wrote:
> From: Rohit Vaswani <rvaswani@codeaurora.org>
>
> Scorpion and Krait are Qualcomm cpus. These cpus don't use the
> spin-table enable-method. Instead they rely on mmio register
> accesses to enable power and clocks to bring CPUs out of reset.
>
> Cc: <devicetree@vger.kernel.org>
> Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
> [sboyd: Split off into separate patch, renamed method to
> qcom,mmio]
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
> ---
>
> This slightly conflicts with my krait EDAC series.
>
> Documentation/devicetree/bindings/arm/cpus.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt
> index 37258f9..e2969fa2 100644
> --- a/Documentation/devicetree/bindings/arm/cpus.txt
> +++ b/Documentation/devicetree/bindings/arm/cpus.txt
> @@ -44,6 +44,8 @@ For the ARM architecture every CPU node must contain the following properties:
> "marvell,mohawk"
> "marvell,xsc3"
> "marvell,xscale"
> + "qcom,scorpion"
> + "qcom,krait"
>
> And the following optional properties:
>
> @@ -52,6 +54,7 @@ And the following optional properties:
> different types of cpus.
> This should be one of:
> "spin-table"
> + "qcom,mmio"

Not exactly specific. How would you handle variations in the enable
method? The mmio method to enable is tied to the core type or SOC
type?

Rob


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