From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Alex Courbot <acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Thierry Reding
<thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org>,
Simon Glass <sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
Grant Likely
<grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>,
Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
Mark Brown
<broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>,
Anton Vorontsov <cbou-JGs/UdohzUI@public.gmane.org>,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Leela Krishna Amudala
<l.krishna-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
"linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v6 1/4] Runtime Interpreted Power Sequences
Date: Thu, 13 Sep 2012 06:54:09 +0000 [thread overview]
Message-ID: <1347519249.7471.42.camel@lappyti> (raw)
In-Reply-To: <2689722.93BQTh4lSC@percival>
[-- Attachment #1: Type: text/plain, Size: 1016 bytes --]
On Thu, 2012-09-13 at 15:36 +0900, Alex Courbot wrote:
> On Thursday 13 September 2012 14:22:57 Tomi Valkeinen wrote:
>
> > However, I fear these board specific things may be quite a bit anything,
> > so it may well be pwm, gpios and regulators are not enough for them. For
> > example, there could be an FPGA on the board which requires some
> > configuration to accomplish the task at hand. It could be rather
> > difficult to handle it with a generic power sequence.
>
> Right. Note that this framework is supposed to be extended - I would like to
> at least add regulator voltage setting, and maybe even support for clocks and
> pinmux (but that might be out of place).
Yes, that's one concern of mine... I already can imagine someone
suggesting adding conditionals to the power sequence data. Perhaps also
direct memory read/writes so you can twiddle registers directly. And so
on. Where's the limit what it should contain? Can we soon write full
drivers with the DT data? =)
Tomi
[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
To: Alex Courbot <acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Thierry Reding
<thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org>,
Simon Glass <sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
Grant Likely
<grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>,
Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
Mark Brown
<broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>,
Anton Vorontsov <cbou-JGs/UdohzUI@public.gmane.org>,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Leela Krishna Amudala
<l.krishna-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
"linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v6 1/4] Runtime Interpreted Power Sequences
Date: Thu, 13 Sep 2012 09:54:09 +0300 [thread overview]
Message-ID: <1347519249.7471.42.camel@lappyti> (raw)
In-Reply-To: <2689722.93BQTh4lSC@percival>
[-- Attachment #1: Type: text/plain, Size: 1016 bytes --]
On Thu, 2012-09-13 at 15:36 +0900, Alex Courbot wrote:
> On Thursday 13 September 2012 14:22:57 Tomi Valkeinen wrote:
>
> > However, I fear these board specific things may be quite a bit anything,
> > so it may well be pwm, gpios and regulators are not enough for them. For
> > example, there could be an FPGA on the board which requires some
> > configuration to accomplish the task at hand. It could be rather
> > difficult to handle it with a generic power sequence.
>
> Right. Note that this framework is supposed to be extended - I would like to
> at least add regulator voltage setting, and maybe even support for clocks and
> pinmux (but that might be out of place).
Yes, that's one concern of mine... I already can imagine someone
suggesting adding conditionals to the power sequence data. Perhaps also
direct memory read/writes so you can twiddle registers directly. And so
on. Where's the limit what it should contain? Can we soon write full
drivers with the DT data? =)
Tomi
[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Alex Courbot <acourbot@nvidia.com>
Cc: 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>,
Mark Brown <broonie@opensource.wolfsonmicro.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 1/4] Runtime Interpreted Power Sequences
Date: Thu, 13 Sep 2012 09:54:09 +0300 [thread overview]
Message-ID: <1347519249.7471.42.camel@lappyti> (raw)
In-Reply-To: <2689722.93BQTh4lSC@percival>
[-- Attachment #1: Type: text/plain, Size: 1016 bytes --]
On Thu, 2012-09-13 at 15:36 +0900, Alex Courbot wrote:
> On Thursday 13 September 2012 14:22:57 Tomi Valkeinen wrote:
>
> > However, I fear these board specific things may be quite a bit anything,
> > so it may well be pwm, gpios and regulators are not enough for them. For
> > example, there could be an FPGA on the board which requires some
> > configuration to accomplish the task at hand. It could be rather
> > difficult to handle it with a generic power sequence.
>
> Right. Note that this framework is supposed to be extended - I would like to
> at least add regulator voltage setting, and maybe even support for clocks and
> pinmux (but that might be out of place).
Yes, that's one concern of mine... I already can imagine someone
suggesting adding conditionals to the power sequence data. Perhaps also
direct memory read/writes so you can twiddle registers directly. And so
on. Where's the limit what it should contain? Can we soon write full
drivers with the DT data? =)
Tomi
[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
next prev parent reply other threads:[~2012-09-13 6:54 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 [this message]
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
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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