On Wednesday 06 March 2013, Thierry Reding wrote: > > Option 2 would probably come down to having a trivial MFD driver exposing > > a regmap. You can probably reuse drivers/mfd/syscon.c for this and make > > the node compatible with "syscon" to designate the clock registers as > > a system-wide resource, making the other device nodes register-less. > > I think option 2 is the standard method if one hardware block provides > several logical devices. I find it to be a pretty nice solution to this > problem. We also have precedent in the PWM subsystem. The TWL chips for > instance use it to create a platform device which is later driven by a > PWM driver. One difference though is that the TWL chip is a heterogenous MFD that has a lot of different sub-devices, where in case of Exynos the timer device has a set of identical units, each of which can be used either as a PWM or as a clocksource or other timer. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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