[PATCH 2/4] powerpc/device-tree: bindings for DSP cores/clusters for Freescale SOCs
scottwood at freescale.com
Sun Sep 20 10:15:28 AEST 2015
On Sat, 2015-09-19 at 23:46 +0530, Poonam Aggrwal wrote:
> From: poonam aggrwal <poonam.aggrwal at freescale.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 at freescale.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-
> diff --git a/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
> +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
Why is the dsp-clusters container only shown in the example, not the binding
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