On Wed, Nov 14, 2012 at 10:40:18, AnilKumar, Chimata wrote: > On Wed, Nov 14, 2012 at 07:53:42, Mark Brown wrote: > > On Mon, Nov 05, 2012 at 05:59:36PM +0100, Benoit Cousson wrote: > > > On 11/05/2012 10:42 AM, AnilKumar Ch wrote: > > > > > > +Optional properties: > > > > +- ti,pmic-shutdown-controller: Telling the PMIC to shutdown on PWR_EN toggle. > > > > > That sounds like a generic functionality to me. Don't we have some more > > > generic way to handle that? > > > > > If not, that should probably not be a TI only attribute. > > > > It's pretty unusual to have this configurable as a single thing rather > > than as part of flexible power sequencing or something that's just fixed > > in silicon. > > Mark, >From these two threads we can infer that this is handled in power_off sequence only. And this is feature of PMIC to go to shutdown mode nothing to be fixed in silicon. PWR_EN line can be connected to any of these like PRCM control or GPIO or some other instead of RTC(in this case). Thanks AnilKumar > > "[PATCH 2/4] rtc: OMAP: Add system pm_power_off to rtc driver" thread > have the details of how PMIC is connected to RTC module of SoC. > > As part of the power_off sequence we have > 1. To write STATUS_OFF in TPS65217 PMIC. If we do so then PMIC will > go to shutdown if PWR_EN is pulled-down. (This patch doing this) > 2. To pull down the PWR_EN signal we have to set PMIC_PWR_EN in RTC > module and trigger ALARM2 event. (This piece of code in 2/4 patch). > > 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
