From: Tony Lindgren <tony@atomide.com>
To: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: "Benoît Cousson" <bcousson@baylibre.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Russell King" <linux@armlinux.org.uk>,
linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org
Subject: Re: [PATCH 2/3] DT: EVM: add LEDs
Date: Tue, 27 Sep 2016 20:37:04 -0700 [thread overview]
Message-ID: <20160928033703.erwozguik4rie3cn@atomide.com> (raw)
In-Reply-To: <21B97601-328A-41DC-84EE-AA15A6977E98@goldelico.com>
* H. Nikolaus Schaller <hns@goldelico.com> [160927 13:11]:
> > Am 27.09.2016 um 21:49 schrieb Tony Lindgren <tony@atomide.com>:
> > How about this for defaults:
> >
> > - heartbeat for led3
> > - cpu0 for led4
> > - cpu1 for led5
>
> Good idea. Will try.
>
> What I don't exactly know is if these gpios based on an I2C-expander
> can handle cpu activity triggers or if they are locked up if this i2c
> processing triggers another cpu activity...
Oh right, if the GPIOs are on the i2c bus it's probably not a good
idea :) Or at least will be inaccurate if the bus can sleep.
Regards,
Tony
next prev parent reply other threads:[~2016-09-28 3:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-27 5:26 [PATCH 0/3] ARM: dts: omap5 uevm: add LEDs, USR1 button and EEPROM H. Nikolaus Schaller
2016-09-27 5:26 ` [PATCH 1/3] DT: EVM: add EEPROM H. Nikolaus Schaller
[not found] ` <cover.1474953969.git.hns-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2016-09-27 5:26 ` [PATCH 2/3] DT: EVM: add LEDs H. Nikolaus Schaller
[not found] ` <d68619a23d642eacf12fd0a3c51f19d006436cbe.1474953969.git.hns-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2016-09-27 19:49 ` Tony Lindgren
[not found] ` <20160927194904.4im7ukktg5afjmki-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2016-09-27 20:10 ` H. Nikolaus Schaller
2016-09-28 3:37 ` Tony Lindgren [this message]
2016-09-28 6:49 ` H. Nikolaus Schaller
[not found] ` <6004B143-F64B-4DA9-A054-3F2AB3FC2346-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2016-09-28 15:12 ` Tony Lindgren
2016-09-28 15:28 ` H. Nikolaus Schaller
[not found] ` <22676D6D-0669-41BC-B45D-FCC07E8C14CB-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2016-09-28 16:12 ` Tony Lindgren
2016-09-29 5:14 ` Rob Herring
2016-09-29 5:18 ` H. Nikolaus Schaller
[not found] ` <CAL_Jsq+hVD2TCubk8vGf8cS7dyLQj1o0ChnQ=MobKkV352uCSQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-09-29 5:20 ` H. Nikolaus Schaller
2016-09-27 5:26 ` [PATCH 3/3] DT: EVM: add USR1 button H. Nikolaus Schaller
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