Re: [RFC PATCH] slimbus: Linux driver framework for SLIMbus.

[Kenneth Heitke]

On 08/16/2011 08:32 AM, Arnd Bergmann wrote:
> On Tuesday 16 August 2011, David Brown wrote:
> > On Tue, Aug 16, 2011 at 03:37:28PM +0200, Arnd Bergmann wrote:
>
> > > This is theoretically true, but IIRC David mentioned that the bus is
> > > only present on few SoCs and has since been abandoned in favor of standard
> > > busses for new devices.
> >
> > Actually, this is a different one than the one I was mentioning at the
> > Linaro Connect.  I believe SLIMbus is more active
> > http://en.wikipedia.org/wiki/SLIMbus
> >
> > The other bus I was mentioning is called SSBI, which as far as I know
> > is only used to communicate between MSMs and certain Qualcomm
> > peripheral chips.
>
> Thanks for the clarification! I assumed these were the same thing because
> the patches were posted just after we had talked about the other one.
>
> > Kenneth would better be able to clarify how dynamic the SLIMbus is.
>
> That would definitely be helpful. Also, I'd be very interested to hear
> what kind of device probing is available on slimbus. If Mark was
> right about devices being discoverable, we need don't need any board
> description (dts or hardcoded) but instead a way to match the devices
> to drivers based on their HW ID.
>
> 	Arnd

SLIMbus is a MIPI standard bus primarily used for digital audio devices. 
 The devices on the bus SLIMbus enumerate themselves by sending an 
IDENTITY message.  I'll let Sagar clarify further.

thanks,
Ken


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