From: Chen-Yu Tsai <wens@csie.org>
To: Mark Brown <broonie@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>, Lee Jones <lee.jones@linaro.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Maxime Ripard <maxime.ripard@free-electrons.com>,
devicetree <devicetree@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-sunxi <linux-sunxi@googlegroups.com>
Subject: Re: [PATCH 07/11] ARM: dts: sunxi: Add dtsi file for AXP809 PMIC
Date: Tue, 9 Feb 2016 13:41:37 +0800 [thread overview]
Message-ID: <CAGb2v66a=LLMBEbrR2qCzuYp+-fa96qLROFN10+aNvfGTtW-Zg@mail.gmail.com> (raw)
In-Reply-To: <20160208162244.GG7265@sirena.org.uk>
On Tue, Feb 9, 2016 at 12:22 AM, Mark Brown <broonie@kernel.org> wrote:
> On Mon, Feb 08, 2016 at 10:56:05PM +0800, Chen-Yu Tsai wrote:
>> On Mon, Feb 8, 2016 at 10:53 PM, Mark Brown <broonie@kernel.org> wrote:
>> > On Sat, Feb 06, 2016 at 08:42:24PM +0800, Chen-Yu Tsai wrote:
>
>> >> Mark, may I assume you are OK with this DTS include listing
>> >> the regulators, even if their sections are empty?
>
>> > If it has no content why have it?
>
>> I'd like the regulator core to disable any unused ones. The core
>> considers regulators that don't have nodes as not having constraints,
>> and won't touch them.
>
>> Any other ways to do this? Or am I going about this the wrong way?
>
> The whole point with constraints is that they describe what is safe on a
> given board. This includes powering off unused regulators - it should
> be something that the system integrator configures, not something that
> they get as default.
OK. So how should one describe a regulator as unused? Just leave it out
since it's not wired to anything? Or have an empty node at the board
level? One of the regulators involved on my board is by (hardware)
default on.
Thanks
ChenYu
WARNING: multiple messages have this Message-ID (diff)
From: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Liam Girdwood <lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Ian Campbell
<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-arm-kernel
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-sunxi <linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
Subject: Re: [PATCH 07/11] ARM: dts: sunxi: Add dtsi file for AXP809 PMIC
Date: Tue, 9 Feb 2016 13:41:37 +0800 [thread overview]
Message-ID: <CAGb2v66a=LLMBEbrR2qCzuYp+-fa96qLROFN10+aNvfGTtW-Zg@mail.gmail.com> (raw)
In-Reply-To: <20160208162244.GG7265-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
On Tue, Feb 9, 2016 at 12:22 AM, Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
> On Mon, Feb 08, 2016 at 10:56:05PM +0800, Chen-Yu Tsai wrote:
>> On Mon, Feb 8, 2016 at 10:53 PM, Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
>> > On Sat, Feb 06, 2016 at 08:42:24PM +0800, Chen-Yu Tsai wrote:
>
>> >> Mark, may I assume you are OK with this DTS include listing
>> >> the regulators, even if their sections are empty?
>
>> > If it has no content why have it?
>
>> I'd like the regulator core to disable any unused ones. The core
>> considers regulators that don't have nodes as not having constraints,
>> and won't touch them.
>
>> Any other ways to do this? Or am I going about this the wrong way?
>
> The whole point with constraints is that they describe what is safe on a
> given board. This includes powering off unused regulators - it should
> be something that the system integrator configures, not something that
> they get as default.
OK. So how should one describe a regulator as unused? Just leave it out
since it's not wired to anything? Or have an empty node at the board
level? One of the regulators involved on my board is by (hardware)
default on.
Thanks
ChenYu
WARNING: multiple messages have this Message-ID (diff)
From: wens@csie.org (Chen-Yu Tsai)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 07/11] ARM: dts: sunxi: Add dtsi file for AXP809 PMIC
Date: Tue, 9 Feb 2016 13:41:37 +0800 [thread overview]
Message-ID: <CAGb2v66a=LLMBEbrR2qCzuYp+-fa96qLROFN10+aNvfGTtW-Zg@mail.gmail.com> (raw)
In-Reply-To: <20160208162244.GG7265@sirena.org.uk>
On Tue, Feb 9, 2016 at 12:22 AM, Mark Brown <broonie@kernel.org> wrote:
> On Mon, Feb 08, 2016 at 10:56:05PM +0800, Chen-Yu Tsai wrote:
>> On Mon, Feb 8, 2016 at 10:53 PM, Mark Brown <broonie@kernel.org> wrote:
>> > On Sat, Feb 06, 2016 at 08:42:24PM +0800, Chen-Yu Tsai wrote:
>
>> >> Mark, may I assume you are OK with this DTS include listing
>> >> the regulators, even if their sections are empty?
>
>> > If it has no content why have it?
>
>> I'd like the regulator core to disable any unused ones. The core
>> considers regulators that don't have nodes as not having constraints,
>> and won't touch them.
>
>> Any other ways to do this? Or am I going about this the wrong way?
>
> The whole point with constraints is that they describe what is safe on a
> given board. This includes powering off unused regulators - it should
> be something that the system integrator configures, not something that
> they get as default.
OK. So how should one describe a regulator as unused? Just leave it out
since it's not wired to anything? Or have an empty node at the board
level? One of the regulators involved on my board is by (hardware)
default on.
Thanks
ChenYu
next prev parent reply other threads:[~2016-02-09 5:42 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-02 10:27 [PATCH 00/11] mfd: axp20x: Add support for AXP809 PMIC Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` [PATCH 01/11] MAINTAINERS: Add entry for X-Powers AXP family PMIC drivers Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 13:27 ` Maxime Ripard
2016-02-02 13:27 ` Maxime Ripard
2016-02-02 13:27 ` Maxime Ripard
2016-02-03 0:19 ` [linux-sunxi] " Julian Calaby
2016-02-03 0:19 ` Julian Calaby
2016-02-03 0:19 ` Julian Calaby
2016-02-03 1:28 ` [linux-sunxi] " Joe Perches
2016-02-03 1:28 ` Joe Perches
2016-02-03 1:28 ` Joe Perches
2016-02-03 1:30 ` [linux-sunxi] " Julian Calaby
2016-02-03 1:30 ` Julian Calaby
2016-02-03 1:30 ` Julian Calaby
2016-02-03 6:49 ` Chen-Yu Tsai
2016-02-03 6:49 ` Chen-Yu Tsai
2016-02-03 6:49 ` Chen-Yu Tsai
2016-02-02 10:27 ` [PATCH 02/11] mfd: axp20x: Add bindings for AXP809 PMIC Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 22:43 ` Rob Herring
2016-02-02 22:43 ` Rob Herring
2016-02-02 22:43 ` Rob Herring
2016-02-09 10:18 ` Lee Jones
2016-02-09 10:18 ` Lee Jones
2016-02-09 10:18 ` Lee Jones
2016-02-02 10:27 ` [PATCH 03/11] mfd: axp20x: Add support " Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` [PATCH 04/11] regulator: axp20x: Remove voltage readout support for switch regulators Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-03 18:11 ` Applied "regulator: axp20x: Remove voltage readout support for switch regulators" to the regulator tree Mark Brown
2016-02-02 10:27 ` [PATCH 05/11] regulator: axp20x: Use linear voltage ranges for AXP20X LDO4 Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-03 18:11 ` Applied "regulator: axp20x: Use linear voltage ranges for AXP20X LDO4" to the regulator tree Mark Brown
2016-02-02 10:27 ` [PATCH 06/11] regulator: axp20x: support AXP809 variant Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-03 17:15 ` Mark Brown
2016-02-03 17:15 ` Mark Brown
2016-02-03 17:15 ` Mark Brown
2016-05-31 17:46 ` Applied "regulator: axp20x: support AXP809 variant" to the regulator tree Mark Brown
2016-05-31 17:46 ` Mark Brown
2016-05-31 17:46 ` Mark Brown
2016-02-02 10:27 ` [PATCH 07/11] ARM: dts: sunxi: Add dtsi file for AXP809 PMIC Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 12:17 ` Mark Brown
2016-02-02 12:17 ` Mark Brown
2016-02-02 12:17 ` Mark Brown
2016-02-06 12:42 ` Chen-Yu Tsai
2016-02-06 12:42 ` Chen-Yu Tsai
2016-02-06 12:42 ` Chen-Yu Tsai
2016-02-08 14:53 ` Mark Brown
2016-02-08 14:53 ` Mark Brown
2016-02-08 14:53 ` Mark Brown
2016-02-08 14:56 ` Chen-Yu Tsai
2016-02-08 14:56 ` Chen-Yu Tsai
2016-02-08 14:56 ` Chen-Yu Tsai
2016-02-08 16:22 ` Mark Brown
2016-02-08 16:22 ` Mark Brown
2016-02-08 16:22 ` Mark Brown
2016-02-09 5:41 ` Chen-Yu Tsai [this message]
2016-02-09 5:41 ` Chen-Yu Tsai
2016-02-09 5:41 ` Chen-Yu Tsai
2016-02-09 11:32 ` Mark Brown
2016-02-09 11:32 ` Mark Brown
2016-02-09 11:32 ` Mark Brown
2016-02-02 10:27 ` [PATCH 08/11] ARM: dts: sun9i: a80-optimus: Add AXP809 PMIC device node and regulators Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` [PATCH 09/11] ARM: dts: sun9i: cubieboard4: " Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` [PATCH 10/11] ARM: dts: sun9i: a80-optimus: Disable dummy regulators vcc3v0, vcc3v3, vcc5v0 Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 16:21 ` Maxime Ripard
2016-02-02 16:21 ` Maxime Ripard
2016-02-02 16:21 ` Maxime Ripard
2016-02-02 16:41 ` Chen-Yu Tsai
2016-02-02 16:41 ` Chen-Yu Tsai
2016-02-02 16:41 ` Chen-Yu Tsai
2016-02-04 16:44 ` Maxime Ripard
2016-02-04 16:44 ` Maxime Ripard
2016-02-04 16:44 ` Maxime Ripard
2016-02-02 10:27 ` [PATCH 11/11] ARM: dts: sun9i: cubieboard4: " Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
2016-02-02 10:27 ` Chen-Yu Tsai
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAGb2v66a=LLMBEbrR2qCzuYp+-fa96qLROFN10+aNvfGTtW-Zg@mail.gmail.com' \
--to=wens@csie.org \
--cc=broonie@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=galak@codeaurora.org \
--cc=ijc+devicetree@hellion.org.uk \
--cc=lee.jones@linaro.org \
--cc=lgirdwood@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-sunxi@googlegroups.com \
--cc=mark.rutland@arm.com \
--cc=maxime.ripard@free-electrons.com \
--cc=pawel.moll@arm.com \
--cc=robh+dt@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.