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SubjectRe: [PATCH v4 01/10] arm/tegra: initial device tree for tegra30
On Sat, Nov 12, 2011 at 04:26:30AM +0100, Rob Herring wrote:
> On 11/11/2011 05:22 AM, Peter De Schrijver wrote:
> > This patch adds the initial device tree for tegra30
> >
> > Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
> > ---
> > arch/arm/boot/dts/tegra30.dtsi | 127 ++++++++++++++++++++++++++++++++++++++++
> > 1 files changed, 127 insertions(+), 0 deletions(-)
> > create mode 100644 arch/arm/boot/dts/tegra30.dtsi
> >
> > diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
> > new file mode 100644
> > index 0000000..fabe243
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/tegra30.dtsi
> > @@ -0,0 +1,127 @@
> > +/include/ "skeleton.dtsi"
> > +
> > +/ {
> > + compatible = "nvidia,tegra30";
>
> Needs documentation.
>
> > + interrupt-parent = <&intc>;
> > +
> > + intc: interrupt-controller@50041000 {
> > + compatible = "nvidia,tegra30-gic", "nvidia,tegra20-gic";
> > + interrupt-controller;
> > + #interrupt-cells = <1>;
>
> Is the Tegra GIC really different from a standard A9 gic? You need to
> update to use the gic binding. The cells should be 3 for example.

It has an extra 'legacy' interrupt controller like tegra20 has. This is used
when waking up the CPU from power off mode.

Cheers,

Peter.


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