From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/4] leds: leds-ns2: add device tree binding
Date: Tue, 16 Oct 2012 18:56:07 +0000 [thread overview]
Message-ID: <201210161856.07692.arnd@arndb.de> (raw)
In-Reply-To: <20121016135153.GE28384@kw.sim.vm.gnt>
On Tuesday 16 October 2012, Simon Guinot wrote:
> On Tue, Oct 16, 2012 at 01:02:39PM +0000, Arnd Bergmann wrote:
> >
> > I'm not overly familiar with the LED subsystem, but isn't this something
> > that could be done with the generic gpio-led driver?
>
> Basically, the leds-gpio driver allows to associate one pin to one LED.
> It is simple and efficient. The LED can be turned on or off. And using a
> platform callback (gpio_blink_set), some hardware timer blink can be
> enabled. A very few platforms are using this last callback.
>
> On the ns2 (and other lacie machines), there is three different modes
> for the front blue LED: on, off and SATA activity blink. Three different
> pins are used to configure the LED. Definitively it is not compatible
> with the leds-gpio driver.
Ok, thanks for the explantion. I think your approach is fine then.
Arnd
next prev parent reply other threads:[~2012-10-16 18:56 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-15 15:34 [PATCH 0/4] Add DT support for Network Space v2 and parents Simon Guinot
2012-10-15 15:34 ` [PATCH 1/4] leds: leds-ns2: add device tree binding Simon Guinot
2012-10-15 17:41 ` Jason Cooper
2012-10-15 19:12 ` Simon Guinot
2012-10-15 19:58 ` Jason Cooper
2012-10-16 9:39 ` Simon Guinot
2012-10-16 15:35 ` Jason Cooper
2012-10-16 13:02 ` Arnd Bergmann
2012-10-16 13:51 ` Simon Guinot
2012-10-16 18:56 ` Arnd Bergmann [this message]
2012-10-15 15:34 ` [PATCH 2/4] ARM: kirkwood: DT board setup for Network Space v2 and parents Simon Guinot
2012-10-15 19:36 ` Simon Guinot
2012-10-15 19:58 ` Rob Herring
2012-10-16 20:22 ` [PATCH] ARM: mach-kirkwood: add documentation for device tree bindings Simon Guinot
2012-10-16 20:41 ` [PATCH 2/4] ARM: kirkwood: DT board setup for Network Space v2 and parents Simon Guinot
2012-10-15 15:34 ` [PATCH 3/4] ARM: kirkwood: DT board setup for Network Space Lite v2 Simon Guinot
2012-10-15 15:34 ` [PATCH 4/4] ARM: kirkwood: DT board setup for Network Space Mini v2 Simon Guinot
2012-10-15 17:01 ` [PATCH 0/4] Add DT support for Network Space v2 and parents Jason Cooper
2012-10-15 18:50 ` Simon Guinot
2012-10-15 19:13 ` Jason Cooper
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=201210161856.07692.arnd@arndb.de \
--to=arnd@arndb.de \
--cc=linux-arm-kernel@lists.infradead.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.