[RFC PATCH 05/10] documentation/dt: Add mpu, dsp and iva bindings

Grant Likely grant.likely at secretlab.ca
Fri Sep 9 12:40:47 EST 2011


On Fri, Sep 09, 2011 at 02:30:24AM +0200, Cousson, Benoit wrote:
> On 9/8/2011 8:09 PM, Grant Likely wrote:
> >>+- compatible : Should be:
> >>+  - "ti,ivahd", "ti,iva" for OMAP4
> >>+  - "ti,iva2", "ti,iva" for OMAP3
> >>+  - "ti,iva1", "ti,iva" for OMAP2
> >
> >Again, be specific to the instantiation and encode the omap version
> >into the compatible value.  Use the form "ti,omap4-*", etc.
> 
> In that case, I do not necessarily agree. The IVA is a generic TI IP
> used in various chips. The IP version is well documented in the TRM.
> 
> OK, in fact I didn't pick the proper version:-(
> It should be:
> 
> +  - "ti,ivahd", for OMAP4
> +  - "ti,iva2.2", for OMAP3
> +  - "ti,iva2.1", for OMAP2430
> +  - "ti,iva1", for OMAP2420
> 
> But still, no need to rely on OMAP version to identify the IVA version.

Fair enough, providing that the "ti,iva" value is dropped.

g.



More information about the devicetree-discuss mailing list