[PATCH v2] powerpc/fsl: Added binding for Freescale CoreNet coherency fabric (CCF)

[Kumar Gala]

On Apr 18, 2014, at 8:11 AM, Diana Craciun <diana.craciun at freescale.com> wrote:

> From: Diana Craciun <Diana.Craciun at freescale.com>
> 
> The CoreNet coherency fabric is a fabric-oriented, conectivity
> infrastructure that enables the implementation of coherent, multicore
> systems. The CCF acts as a central interconnect for cores,
> platform-level caches, memory subsystem, peripheral devices and I/O host
> bridges in the system.
> 
> Signed-off-by: Diana Craciun <Diana.Craciun at freescale.com>
> ---
> .../devicetree/bindings/powerpc/fsl/ccf.txt        | 36 ++++++++++++++++++++++
> 1 file changed, 36 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/powerpc/fsl/ccf.txt
> 
> diff --git a/Documentation/devicetree/bindings/powerpc/fsl/ccf.txt b/Documentation/devicetree/bindings/powerpc/fsl/ccf.txt
> new file mode 100644
> index 0000000..f0b7143
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/powerpc/fsl/ccf.txt
> @@ -0,0 +1,36 @@
> +Freescale CoreNet Coherency Fabric(CCF) Device Tree Binding
> +
> +DESCRIPTION
> +
> +The CoreNet coherency fabric is a fabric-oriented, connectivity infrastructure
> +that enables the implementation of coherent, multicore systems.
> +
> +Required properties:
> +
> +- compatible : <string>
> +		Must include "fsl,corenetX-cf", "fsl,corenet-cf" - CoreNet coherency 
> +		fabric version X

Can we make this ‘fsl,corenet-vX-cf’.

corenet-v1-cf/corenet-v2-cf looks nicer than corenet1-cf/corenet2-cf

> +
> +- reg : <prop-encoded-array>
> +		A standard property. Represents the CCF registers.
> +
> +- interrupts : <prop-encoded-array>
> +		Interrupt mapping for CCF error interrupt.
> +
> +- fsl,ccf-num-csdids: <u32>
> +		Specifies the number of Coherency Subdomain ID Port Mapping
> +		Registers that are supported by the CCF.
> +
> +- fsl,ccf-num-snoopids: <u32>
> +		Specifies the number of Snoop ID Port Mapping Registers that
> +		are supported by CCF.
> +
> +Example:
> +
> +	corenet-cf at 18000 {
> +		compatible = "fsl,corenet2-cf", "fsl,corenet-cf";
> +		reg = <0x18000 0x1000>;
> +		interrupts = <16 2 1 31>;
> +		fsl,ccf-num-csdids = <32>;
> +		fsl,ccf-num-snoopids = <32>;
> +	};
> -- 
> 1.7.11.7
> 
> 
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