On Tue, Nov 22, 2011 at 04:06:09PM +0100, jean.pihet@xxxxxxxxxxxxxx wrote: > +config POWER_AVS_OMAP_V1 > + tristate "AVS support for the OMAP IP version 1" > + depends on ARCH_OMAP3 && PM > + help > + Say Y to enable AVS support on OMAP containing the version 1 of > + the SmartReflex IP. > + V1 is the 65nm version used in OMAP3430. > + > + Please note, that by default SmartReflex is only > + initialized. To enable the automatic voltage > + compensation for vdd mpu and vdd core from user space, > + user must write 1 to > + /debug/voltage/vdd_<X>/smartreflex/autocomp, > + where X is mpu or core for OMAP3. > + Optionally autocompensation can be enabled in the kernel > + by default during system init via the enable_on_init flag > + which an be passed as platform data to the smartreflex driver. > + > +config POWER_AVS_OMAP_V2 > + tristate "AVS support for the OMAP IP version 2" > + depends on (ARCH_OMAP3 || ARCH_OMAP4) && PM > + help > + Say Y to enable AVS support on OMAP containing the version 2 of > + the SmartReflex IP. > + V2 is the update for the 45nm version of the IP used in OMAP3630 > + and OMAP4430 can't you read the revision register and decide this in runtime ? -- balbi
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