From: Tony Lindgren <tony@atomide.com>
To: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: "Laxman Dewangan" <ldewangan@nvidia.com>,
"Nishanth Menon" <nm@ti.com>,
"Benoît Cousson" <bcousson@baylibre.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>,
"Russell King" <linux@arm.linux.org.uk>,
linux-omap <linux-omap@vger.kernel.org>,
devicetree@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
"Marek Belisko" <marek@goldelico.com>
Subject: Re: [PATCH 1/3] ARM: dts: omap5-board-common: enable rtc and charging of backup battery
Date: Wed, 6 Jan 2016 09:09:25 -0800 [thread overview]
Message-ID: <20160106170925.GK12777@atomide.com> (raw)
In-Reply-To: <2AC46952-3758-458A-B0A5-1794C207BD4C@goldelico.com>
* H. Nikolaus Schaller <hns@goldelico.com> [160106 08:48]:
> Hi Tony,
>
> Am 06.01.2016 um 17:41 schrieb Tony Lindgren <tony@atomide.com>:
>
> > Hi,
> >
> > * H. Nikolaus Schaller <hns@goldelico.com> [160106 00:12]:
> >> Am 06.01.2016 um 02:00 schrieb Tony Lindgren <tony@atomide.com>:
> >>>
> >>> Also I'm not seeing just zeroes coming from RTC after typing hwclock
> >>> on omap5-uevm. It's working on x15 though.
> >>>
> >>> Nikolaus, is hwclock command working for you on omap5-uevm?
> >>
> >> Well, yes and no. It appears it *was* working when tested last time
> >> (we sometimes have months of delay for submitting patches upstream).
> >>
> >> I have found an SD image with 4.3-rc6 with this patch in the dtb and
> >> there it works. With 4.4-rc8 it does not work. hwclock command hangs for
> >> 10 seconds (I guess some timeout).
> >>
> >> I have checked the dtb and in both cases it is interrupts = <8 0>;
> >>
> >> xxd /sys/firmware/devicetree/base/ocp/i2c@48070000/palmas@48/rtc/interrupts
> >> 0000000: 0000 0008 0000 0000
> >>
> >> So I think something has changed in the rtc driver or somewhere else.
> >
> > I just gave it a try on v4.3-rc6 with omap5-uevm.dts patched for
> > RTC, and I still don't have hwclock working with RTC.
> >
> > It seems you have some additional patches there that make it work?
>
> Hm. Not that I am aware of. We just did add the rtc nodes but did not
> touch palmas drivers (except adding the gpadc of this patch series).
OK
> > I guess it could also be a bootloader change if it's a different
> > SD image that works for you.
>
> Yes, it is using a 2 years old U-Boot instead 2015.10 compiled from
> source. I will try to find out if it makes a difference.
OK. It could be also some .config change with something built-in?
Regards,
Tony
next prev parent reply other threads:[~2016-01-06 17:09 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-05 12:01 [PATCH 0/3] Enable twl603x-GPADC for some OMAP4/OMAP5 boards and Palmas-RTC for OMAP5 H. Nikolaus Schaller
2016-01-05 12:01 ` [PATCH 1/3] ARM: dts: omap5-board-common: enable rtc and charging of backup battery H. Nikolaus Schaller
2016-01-05 23:40 ` Nishanth Menon
2016-01-06 1:00 ` Tony Lindgren
2016-01-06 8:11 ` H. Nikolaus Schaller
2016-01-06 16:41 ` Tony Lindgren
2016-01-06 16:47 ` H. Nikolaus Schaller
2016-01-06 17:09 ` Tony Lindgren [this message]
2016-01-08 17:49 ` H. Nikolaus Schaller
2016-01-08 18:15 ` Tony Lindgren
2016-01-08 18:32 ` H. Nikolaus Schaller
2016-01-08 19:04 ` Tony Lindgren
2016-01-08 19:31 ` H. Nikolaus Schaller
2016-01-11 20:24 ` Tony Lindgren
2016-01-12 0:09 ` Tony Lindgren
2016-01-12 13:30 ` H. Nikolaus Schaller
2016-01-12 21:27 ` H. Nikolaus Schaller
2016-01-12 21:37 ` Nishanth Menon
2016-01-12 22:13 ` Tony Lindgren
2016-01-13 10:25 ` H. Nikolaus Schaller
2016-01-13 14:55 ` Nishanth Menon
2016-01-13 15:14 ` Grygorii Strashko
2016-01-13 16:48 ` Tony Lindgren
2016-01-13 17:12 ` Grygorii Strashko
2016-01-13 17:38 ` Nishanth Menon
2016-01-13 18:00 ` H. Nikolaus Schaller
2016-01-13 18:23 ` Nishanth Menon
2016-01-13 17:29 ` Nishanth Menon
2016-01-13 18:00 ` Tony Lindgren
2016-01-13 18:08 ` H. Nikolaus Schaller
2016-01-13 18:31 ` Nishanth Menon
2016-01-13 18:44 ` H. Nikolaus Schaller
2016-01-13 19:05 ` Nishanth Menon
2016-01-13 19:22 ` Grygorii Strashko
2016-01-13 19:40 ` Tony Lindgren
2016-01-13 22:32 ` Nishanth Menon
2016-01-14 10:01 ` Keerthy
2016-01-14 17:39 ` Nishanth Menon
2016-01-14 18:35 ` Tony Lindgren
2016-01-15 14:33 ` H. Nikolaus Schaller
2016-01-15 15:47 ` Tony Lindgren
2016-01-15 17:10 ` Tony Lindgren
2016-01-15 18:11 ` H. Nikolaus Schaller
2016-08-25 2:43 ` Matthijs van Duin
2016-01-13 18:18 ` Nishanth Menon
2016-01-06 7:42 ` H. Nikolaus Schaller
2016-01-06 8:13 ` Laxman Dewangan
2016-01-06 14:36 ` Nishanth Menon
2016-01-06 19:34 ` Rob Herring
2016-01-06 19:53 ` Nishanth Menon
2016-01-05 12:01 ` [PATCH 2/3] ARM: dts: omap5-board-common: enable iio gpadc for Palmas H. Nikolaus Schaller
2016-01-05 12:01 ` [PATCH 3/3] ARM: dts: twl6030: add gpadc H. Nikolaus Schaller
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