From: Alex Courbot <acourbot@nvidia.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>,
Stephen Warren <swarren@nvidia.com>,
Thierry Reding <thierry.reding@avionic-design.de>,
Simon Glass <sjg@chromium.org>,
Grant Likely <grant.likely@secretlab.ca>,
Rob Herring <rob.herring@calxeda.com>,
Anton Vorontsov <cbou@mail.ru>,
David Woodhouse <dwmw2@infradead.org>,
Arnd Bergmann <arnd@arndb.de>,
Leela Krishna Amudala <l.krishna@samsung.com>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-fbdev@vger.kernel.org" <linux-fbdev@vger.kernel.org>,
"devicetree-discuss@lists.ozlabs.org"
<devicetree-discuss@lists.ozlabs.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>
Subject: Re: [PATCH v6 0/4] Runtime Interpreted Power Sequences
Date: Thu, 13 Sep 2012 07:26:34 +0000 [thread overview]
Message-ID: <1378218.yLeQheNFT0@percival> (raw)
In-Reply-To: <20120913071928.GA20959@opensource.wolfsonmicro.com>
On Thursday 13 September 2012 15:19:30 Mark Brown wrote:
> On Thu, Sep 13, 2012 at 03:42:11PM +0900, Alex Courbot wrote:
> > On Thursday 13 September 2012 14:25:53 Mark Brown wrote:
> > > It would be sensible to make sure that the framework is done in such a
> > > way that drivers can use it - there will be drivers (perhaps not display
> > > ones) that have a known power sequence and which could benefit from the
> > > ability to use library code to implement it based on the user simply
> > > supplying named resources.
> >
> > Not sure I understand what you mean, but things should be working this way
> > already - regulators and PWMs are acquired by name using the standard
> > regulator_get() and pwm_get() functions. GPIOs do not, AFAIK, have a way
> > to be referenced by name so their number is used instead.
>
> Right, but the sequencing for enabling them is currently open coded in
> each driver.
Mmm then I'm afraid I don't see what you wanted to say initially - could you
elaborate?
Alex.
WARNING: multiple messages have this Message-ID (diff)
From: Alex Courbot <acourbot@nvidia.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>,
Stephen Warren <swarren@nvidia.com>,
Thierry Reding <thierry.reding@avionic-design.de>,
Simon Glass <sjg@chromium.org>,
Grant Likely <grant.likely@secretlab.ca>,
Rob Herring <rob.herring@calxeda.com>,
Anton Vorontsov <cbou@mail.ru>,
David Woodhouse <dwmw2@infradead.org>,
Arnd Bergmann <arnd@arndb.de>,
Leela Krishna Amudala <l.krishna@samsung.com>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-fbdev@vger.kernel.org" <linux-fbdev@vger.kernel.org>,
"devicetree-discuss@lists.ozlabs.org"
<devicetree-discuss@lists.ozlabs.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>
Subject: Re: [PATCH v6 0/4] Runtime Interpreted Power Sequences
Date: Thu, 13 Sep 2012 16:26:34 +0900 [thread overview]
Message-ID: <1378218.yLeQheNFT0@percival> (raw)
In-Reply-To: <20120913071928.GA20959@opensource.wolfsonmicro.com>
On Thursday 13 September 2012 15:19:30 Mark Brown wrote:
> On Thu, Sep 13, 2012 at 03:42:11PM +0900, Alex Courbot wrote:
> > On Thursday 13 September 2012 14:25:53 Mark Brown wrote:
> > > It would be sensible to make sure that the framework is done in such a
> > > way that drivers can use it - there will be drivers (perhaps not display
> > > ones) that have a known power sequence and which could benefit from the
> > > ability to use library code to implement it based on the user simply
> > > supplying named resources.
> >
> > Not sure I understand what you mean, but things should be working this way
> > already - regulators and PWMs are acquired by name using the standard
> > regulator_get() and pwm_get() functions. GPIOs do not, AFAIK, have a way
> > to be referenced by name so their number is used instead.
>
> Right, but the sequencing for enabling them is currently open coded in
> each driver.
Mmm then I'm afraid I don't see what you wanted to say initially - could you
elaborate?
Alex.
next prev parent reply other threads:[~2012-09-13 7:26 UTC|newest]
Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-12 9:57 [PATCH v6 0/4] Runtime Interpreted Power Sequences Alexandre Courbot
2012-09-12 9:57 ` Alexandre Courbot
2012-09-12 9:57 ` Alexandre Courbot
2012-09-12 9:57 ` [PATCH v6 2/4] pwm_backlight: use power sequences Alexandre Courbot
2012-09-12 9:57 ` Alexandre Courbot
2012-09-12 9:57 ` Alexandre Courbot
2012-09-12 22:15 ` Stephen Warren
2012-09-12 22:15 ` Stephen Warren
[not found] ` <1347443867-18868-1-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-09-12 9:57 ` [PATCH v6 1/4] Runtime Interpreted Power Sequences Alexandre Courbot
2012-09-12 9:57 ` Alexandre Courbot
2012-09-12 9:57 ` Alexandre Courbot
2012-09-12 22:07 ` Stephen Warren
2012-09-12 22:07 ` Stephen Warren
2012-09-13 6:02 ` Alex Courbot
2012-09-13 6:02 ` Alex Courbot
2012-09-13 15:44 ` Stephen Warren
2012-09-13 15:44 ` Stephen Warren
2012-09-13 15:44 ` Stephen Warren
[not found] ` <1347443867-18868-2-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-09-13 5:45 ` Tomi Valkeinen
2012-09-13 5:45 ` Tomi Valkeinen
2012-09-13 5:45 ` Tomi Valkeinen
2012-09-13 6:08 ` Alex Courbot
2012-09-13 6:08 ` Alex Courbot
2012-09-13 6:22 ` Tomi Valkeinen
2012-09-13 6:22 ` Tomi Valkeinen
2012-09-13 6:36 ` Alex Courbot
2012-09-13 6:36 ` Alex Courbot
2012-09-13 6:54 ` Tomi Valkeinen
2012-09-13 6:54 ` Tomi Valkeinen
2012-09-13 6:54 ` Tomi Valkeinen
2012-09-13 7:00 ` Sascha Hauer
2012-09-13 7:00 ` Sascha Hauer
2012-09-13 7:00 ` Sascha Hauer
[not found] ` <20120913070012.GC6180-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-09-13 7:03 ` Tomi Valkeinen
2012-09-13 7:03 ` Tomi Valkeinen
2012-09-13 7:03 ` Tomi Valkeinen
2012-09-13 7:18 ` Sascha Hauer
2012-09-13 7:18 ` Sascha Hauer
2012-09-13 7:18 ` Sascha Hauer
[not found] ` <20120913071829.GE6180-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-09-13 7:27 ` Tomi Valkeinen
2012-09-13 7:27 ` Tomi Valkeinen
2012-09-13 7:27 ` Tomi Valkeinen
2012-09-13 7:21 ` Alex Courbot
2012-09-13 7:21 ` Alex Courbot
2012-09-13 7:29 ` Thierry Reding
2012-09-13 7:29 ` Thierry Reding
2012-09-13 7:29 ` Thierry Reding
2012-09-13 7:50 ` Sascha Hauer
2012-09-13 7:50 ` Sascha Hauer
2012-09-13 8:21 ` Alex Courbot
2012-09-13 8:21 ` Alex Courbot
2012-09-13 8:26 ` Thierry Reding
2012-09-13 8:26 ` Thierry Reding
[not found] ` <20120913072920.GA11459-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2012-09-13 8:00 ` Tomi Valkeinen
2012-09-13 8:00 ` Tomi Valkeinen
2012-09-13 8:00 ` Tomi Valkeinen
2012-09-13 8:32 ` Thierry Reding
2012-09-13 8:32 ` Thierry Reding
2012-09-13 8:32 ` Thierry Reding
2012-09-13 7:08 ` Alex Courbot
2012-09-13 7:08 ` Alex Courbot
2012-09-13 7:08 ` Alex Courbot
2012-09-13 15:37 ` Stephen Warren
2012-09-13 15:37 ` Stephen Warren
2012-09-13 8:09 ` Mark Brown
2012-09-13 8:09 ` Mark Brown
2012-09-12 9:57 ` [PATCH v6 3/4] tegra: dt: add label to tegra20's PWM Alexandre Courbot
2012-09-12 9:57 ` Alexandre Courbot
2012-09-12 9:57 ` Alexandre Courbot
2012-09-12 9:57 ` [PATCH v6 4/4] tegra: ventana: add pwm backlight DT nodes Alexandre Courbot
2012-09-12 9:57 ` Alexandre Courbot
2012-09-12 9:57 ` Alexandre Courbot
[not found] ` <1347443867-18868-5-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-09-12 21:23 ` Stephen Warren
2012-09-12 21:23 ` Stephen Warren
2012-09-12 21:23 ` Stephen Warren
2012-09-12 21:27 ` [PATCH v6 0/4] Runtime Interpreted Power Sequences Stephen Warren
2012-09-12 21:27 ` Stephen Warren
[not found] ` <5050FE28.2080502-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-09-12 21:33 ` Anton Vorontsov
2012-09-12 21:33 ` Anton Vorontsov
2012-09-12 21:33 ` Anton Vorontsov
2012-09-13 5:53 ` Alex Courbot
2012-09-13 5:53 ` Alex Courbot
2012-09-13 5:50 ` Tomi Valkeinen
2012-09-13 5:50 ` Tomi Valkeinen
2012-09-13 6:23 ` Alex Courbot
2012-09-13 6:23 ` Alex Courbot
2012-09-13 6:25 ` Mark Brown
2012-09-13 6:25 ` Mark Brown
2012-09-13 6:42 ` Alex Courbot
2012-09-13 6:42 ` Alex Courbot
2012-09-13 7:19 ` Mark Brown
2012-09-13 7:19 ` Mark Brown
2012-09-13 7:19 ` Mark Brown
2012-09-13 7:26 ` Alex Courbot [this message]
2012-09-13 7:26 ` Alex Courbot
2012-09-13 7:29 ` Mark Brown
2012-09-13 7:29 ` Mark Brown
2012-09-13 7:29 ` Mark Brown
2012-09-13 15:24 ` Stephen Warren
2012-09-13 15:24 ` Stephen Warren
2012-09-19 3:01 ` Mark Brown
2012-09-19 3:01 ` Mark Brown
[not found] ` <5051FAC5.40501-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-03 8:24 ` Alex Courbot
2012-10-03 8:24 ` Alex Courbot
2012-10-03 8:24 ` Alex Courbot
[not found] ` <506BF62F.6040308-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-10-03 15:30 ` Stephen Warren
2012-10-03 15:30 ` Stephen Warren
2012-10-03 15:30 ` Stephen Warren
2012-09-13 6:42 ` Tomi Valkeinen
2012-09-13 6:42 ` Tomi Valkeinen
2012-09-13 6:48 ` Tomi Valkeinen
2012-09-13 6:48 ` Tomi Valkeinen
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