On 03/17/2016 08:21 PM, Robin Murphy wrote: > On 17/03/16 19:00, Rob Herring wrote: >> On Thu, Mar 17, 2016 at 1:06 PM, Robin Murphy <robin.murphy@xxxxxxx> wrote: >>> Hi Rob, >>> >>> On 17/03/16 17:09, Rob Herring wrote: >>>> That would not be an SP804 nor would the vendor be ARM in that case. So >>>> add a new compatible string for the vendor that decided to hack up ARM's >>>> IP block. >>> >>> >>> By all accounts this is some ancient reference design[1] which later evolved >>> _into_ the SP804, so that vendor would probably still be ARM ;) >> >> Right. >> >>> A separate compatible string would indeed make more sense, though. Both >>> semantically and in terms of letting the driver account for the differences >>> automatically. >>> >>> Robin. >>> >>> [1]:http://infocenter.arm.com/help/topic/com.arm.doc.ddi0170a/I350250.html >> >> Humm, same as integrator timers perhaps? > > Having had a quick look, what the Integrator/AP manual describes certainly smells like the same basic block as the "AMBA Timer" - 16 bit counters and the same control register layout - albeit in a mutant triple-timer version with a bigger offset between each register set. Integrator/CP, on the other hand, looks much more SP804-like. > > Robin. > Hi, I will switch to oxsemi,ox810se-rps-timer since it need a specific register width that will be handled by the driver. Thanks, Neil -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
