[PATCH] Add device file bindings for MAPLE

[Scott Wood]

On Thu, 2013-08-01 at 11:05 -0500, Kumar Gala wrote:
> On Aug 1, 2013, at 6:02 AM, Shaveta Leekha wrote:
> 
> > Signed-off-by: Shaveta Leekha <shaveta at freescale.com>
> > ---
> > .../devicetree/bindings/powerpc/fsl/maple.txt      |   30 ++++++++++++++++++++
> > 1 files changed, 30 insertions(+), 0 deletions(-)
> > create mode 100644 Documentation/devicetree/bindings/powerpc/fsl/maple.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/powerpc/fsl/maple.txt b/Documentation/devicetree/bindings/powerpc/fsl/maple.txt
> > new file mode 100644
> > index 0000000..da51c5f
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/powerpc/fsl/maple.txt
> > @@ -0,0 +1,30 @@
> > +* Freescale MAPLE Multi Accelerator Platform Engine Baseband 3
> > +  (MAPLE-B3)device nodes
> > +
> > +Supported chips:
> > +Example: B4860
> > +
> > +Required properties:
> > +
> > +- compatible:	Should contain "fsl,maple-b3-liodn" as the value
> > +		This identifies Multi Accelerator Platform Engine
> > +		Baseband 3 block.This representation is required
> > +		for doing the PAMU/LIODN programming on the Linux side.
> 
> This compatible makes no sense, we shouldn't be marking a full HW block with some name that is just intended for LIODN convenance.

The point is we're not describing the whole block here, because the rest
of the block is owned by an external entity (the DSP cores).

> Is this version 3 of the block?  If so a name like "fsl,maple-v3" or "fsl,maple-v3.0" would be more appropriate.
> 
> - k
> 
> > +
> > +- reg:		offset and length of the register set for the device
> > +
> > +Devices that have LIODNs need to specify links to the parent PAMU controller
> > +(the actual PAMU controller that this device is connected to) and a pointer to
> > +the LIODN register, if applicable.
> 
> 
> Does Maple not have any IRQs associated with it?

maple-liodn doesn't.

-Scott