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Date: Sat, 19 Sep 2015 19:15:28 -0500 From: Scott Wood <scottwood@...escale.com> To: Poonam Aggrwal <poonam.aggrwal@...escale.com> CC: <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>, <devicetree-discuss@...ts.ozlabs.org> Subject: Re: [PATCH 2/4] powerpc/device-tree: bindings for DSP cores/clusters for Freescale SOCs On Sat, 2015-09-19 at 23:46 +0530, Poonam Aggrwal wrote: > From: poonam aggrwal <poonam.aggrwal@...escale.com> > > Device Tree Bindings for DSP CPU clusters and DSP CPUs for Freescale PowerPC > SOCs which have DSP CPUs in addition to PowerPC CPUs. > For example B4860 has 3 DSP clusters which have 2 SC3900 cores each. > > Signed-off-by: Poonam Aggrwal <poonam.aggrwal@...escale.com> > --- > - based of: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > branch master > > This patch was sent earlier and some comments were received. Some have been > taken care; others we can further discuss. Apologize for not following up > on them in time. > .../devicetree/bindings/powerpc/fsl/dsp-cpus.txt | 78 > ++++++++++++++++++++++ > 1 file changed, 78 insertions(+) > create mode 100644 Documentation/devicetree/bindings/powerpc/fsl/dsp- > cpus.txt > > diff --git a/Documentation/devicetree/bindings/powerpc/fsl/dsp-cpus.txt > b/Documentation/devicetree/bindings/powerpc/fsl/dsp-cpus.txt > new file mode 100644 > index 0000000..6d901ef > --- /dev/null > +++ b/Documentation/devicetree/bindings/powerpc/fsl/dsp-cpus.txt > @@ -0,0 +1,78 @@ > +=================================================================== > +Binding for DSP CPU clusters and DSP CPUs for Freescale SOCs which > +have DSP CPUs in addition to PowerPC cpus. > +Copyright 2013 Freescale Semiconductor Inc. > + > +Power Architecture CPUs in Freescale SOCs are represented in device trees > as > +per the definition in ePAPR. > + > +Required properties for DSP CPU cluster: > +- compatible : should be "fsl,sc3900-cluster". > +- reg : should contain the cluster index > + > +Required properties for DSP CPU: > +- compatible : should be "fsl,sc3900". > +- reg : should contain index of DSP CPU within the DSP clsuter. > +- next-level-cache : should point to the phandle of the next-level L2 > cache. Why is the dsp-clusters container only shown in the example, not the binding itself? -Scott -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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