Mark, Small correction On Thu, Aug 16, 2012 at 18:52:25, AnilKumar, Chimata wrote: > Mark, > > On Wed, Aug 15, 2012 at 22:24:32, Mark Brown wrote: > > On Wed, Aug 15, 2012 at 04:47:02PM +0000, AnilKumar, Chimata wrote: > > > On Wed, Aug 15, 2012 at 18:23:39, Mark Brown wrote: > > > > > > If you have all these unrelated supplies in the system then your device > > > > tree should accurately reflect that. However this would be a very > > > > > In that case I have to add all these fixed regulators. > > > > Why? You then immediately go on to say... > > Because all the nodes/regulators should be provided/registered otherwise > "regulator_dev_lookup" returns NULL if there are no regulator matches with > the supply_name. > > I have gone through this thread > http://patchwork.ozlabs.org/patch/166682/ > > But problem here is single input supply battery/main is not sufficient. > > pmic->desc[i].supply_name = info->vin_name; > with this assignment regulator core searches for exact supply name vcc1 or > vcc2 etc if there are no matches then it will not register any regulators. > > > > > > > unusual hardware design. Usually there would be a very small set of > > > > system supply rails, frequently only one. > > > > > In case of AM335X-EVM one dedicated supply (5v) feeding to all the input > > > supplies (vcc1-7 and vccio) of the regulators. > > > > ...that they all map onto the same physical supply? > > > > Yes single physical supply, if we want to add single fixed regulator node > to feed all the regulators then driver have to modify to support this. > Similar to revert of "regulator: tps65910: add support for input supply" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Copy/paste error Similar to revert of this patch "regulator: tps65910: set input_supply on desc unconditionally" Thanks AnilKumar -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html