From: "AnilKumar, Chimata" <anilkumar-l0cyMroinI0@public.gmane.org> To: "AnilKumar, Chimata" <anilkumar-l0cyMroinI0@public.gmane.org>, Mark Brown <broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>, "Cousson, Benoit" <b-cousson-l0cyMroinI0@public.gmane.org> Cc: "a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org" <a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org>, "sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org" <sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, "rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org" <rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>, "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org" <devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>, "rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org" <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>, Colin Foe-Parker <colin.foeparker-L+YfUVVR8+RBDgjK7y7TUQ@public.gmane.org>, "linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" <linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org> Subject: RE: [PATCH 1/4] mfd: tps65217: Set PMIC to shutdowm on PWR_EN toggle Date: Wed, 14 Nov 2012 06:11:45 +0000 [thread overview] Message-ID: <331ABD5ECB02734CA317220B2BBEABC13EA6B043@DBDE01.ent.ti.com> (raw) In-Reply-To: 20121114022341.GM4415@opensource.wolfsonmicro.com 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 >
WARNING: multiple messages have this Message-ID (diff)
From: anilkumar@ti.com (AnilKumar, Chimata) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/4] mfd: tps65217: Set PMIC to shutdowm on PWR_EN toggle Date: Wed, 14 Nov 2012 06:11:45 +0000 [thread overview] Message-ID: <331ABD5ECB02734CA317220B2BBEABC13EA6B043@DBDE01.ent.ti.com> (raw) In-Reply-To: 20121114022341.GM4415@opensource.wolfsonmicro.com 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 >
next prev parent reply other threads:[~2012-11-14 6:11 UTC|newest] Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-11-05 9:42 [PATCH 0/4] pm: Add power off control AnilKumar Ch 2012-11-05 9:42 ` AnilKumar Ch 2012-11-05 9:42 ` [PATCH 1/4] mfd: tps65217: Set PMIC to shutdowm on PWR_EN toggle AnilKumar Ch 2012-11-05 9:42 ` AnilKumar Ch [not found] ` <1352108549-9341-2-git-send-email-anilkumar-l0cyMroinI0@public.gmane.org> 2012-11-05 16:59 ` Benoit Cousson 2012-11-05 16:59 ` Benoit Cousson [not found] ` <5097F078.50701-l0cyMroinI0@public.gmane.org> 2012-11-06 5:13 ` AnilKumar, Chimata 2012-11-06 5:13 ` AnilKumar, Chimata 2012-11-14 2:23 ` Mark Brown 2012-11-14 2:23 ` Mark Brown [not found] ` <20121114022341.GM4415-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org> 2012-11-14 5:10 ` AnilKumar, Chimata 2012-11-14 5:10 ` AnilKumar, Chimata 2012-11-14 6:11 ` AnilKumar, Chimata [this message] 2012-11-14 6:11 ` AnilKumar, Chimata 2012-11-14 6:21 ` Mark Brown 2012-11-14 6:21 ` Mark Brown [not found] ` <20121114062117.GC7407-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org> 2012-11-14 6:49 ` AnilKumar, Chimata 2012-11-14 6:49 ` AnilKumar, Chimata 2012-11-14 7:00 ` Mark Brown 2012-11-14 7:00 ` Mark Brown [not found] ` <20121114070046.GE7407-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org> 2012-11-14 10:08 ` Benoit Cousson 2012-11-14 10:08 ` Benoit Cousson 2012-11-14 10:24 ` Mark Brown 2012-11-14 10:24 ` Mark Brown [not found] ` <20121114102452.GI7407-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org> 2012-11-16 6:16 ` AnilKumar, Chimata 2012-11-16 6:16 ` AnilKumar, Chimata 2012-11-05 9:42 ` [PATCH 2/4] rtc: OMAP: Add system pm_power_off to rtc driver AnilKumar Ch 2012-11-05 9:42 ` AnilKumar Ch [not found] ` <1352108549-9341-3-git-send-email-anilkumar-l0cyMroinI0@public.gmane.org> 2012-11-05 16:43 ` Benoit Cousson 2012-11-05 16:43 ` Benoit Cousson [not found] ` <5097ECAD.9010101-l0cyMroinI0@public.gmane.org> 2012-11-05 17:39 ` Colin FoeParker 2012-11-05 17:39 ` Colin FoeParker 2012-11-06 5:07 ` AnilKumar, Chimata 2012-11-06 5:07 ` AnilKumar, Chimata 2012-11-06 16:56 ` Benoit Cousson 2012-11-06 16:56 ` Benoit Cousson [not found] ` <50994156.4080305-l0cyMroinI0@public.gmane.org> 2012-11-12 9:47 ` AnilKumar, Chimata 2012-11-12 9:47 ` AnilKumar, Chimata 2012-11-14 5:01 ` AnilKumar, Chimata 2012-11-14 5:01 ` AnilKumar, Chimata 2012-11-14 5:21 ` Mark Brown 2012-11-14 5:21 ` Mark Brown 2012-11-14 5:50 ` AnilKumar, Chimata 2012-11-14 5:50 ` AnilKumar, Chimata 2012-11-14 6:00 ` Mark Brown 2012-11-14 6:00 ` Mark Brown 2012-11-06 5:45 ` Bedia, Vaibhav 2012-11-06 5:45 ` Bedia, Vaibhav [not found] ` <B5906170F1614E41A8A28DE3B8D121433EC04226-Er742YJ7I/eIQmiDNMet8wC/G2K4zDHf@public.gmane.org> 2012-11-12 9:47 ` AnilKumar, Chimata 2012-11-12 9:47 ` AnilKumar, Chimata 2012-11-16 6:13 ` AnilKumar, Chimata 2012-11-16 6:13 ` AnilKumar, Chimata 2012-11-16 10:47 ` AnilKumar, Chimata 2012-11-16 10:47 ` AnilKumar, Chimata 2012-11-05 9:42 ` [PATCH 3/4] ARM: dts: AM33XX: Set pmic-shutdown-controller for BeagleBone AnilKumar Ch 2012-11-05 9:42 ` AnilKumar Ch [not found] ` <1352108549-9341-1-git-send-email-anilkumar-l0cyMroinI0@public.gmane.org> 2012-11-05 9:42 ` [PATCH 4/4] ARM: dts: AM33XX: Enable system power off control in am335x-bone AnilKumar Ch 2012-11-05 9:42 ` AnilKumar Ch
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