Messages in this thread | | | Subject | Re: [PATCH 1/3] ARM: dts: omap5-board-common: enable rtc and charging of backup battery | From | "H. Nikolaus Schaller" <> | Date | Wed, 6 Jan 2016 17:47:33 +0100 |
| |
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).
> > 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.
BR, Nikolaus
| |