On Sat, Aug 1, 2009 at 9:56 AM, Elvis Dowson<elvis.dow...@mac.com> wrote: > Hi, > I am using a Gumstix Overo Earth (TI OMAP 3503) and this has a > TPS69590/TWL4030 module, which I understand has a real-time clock subsystem. > > Is there support in the linux 2.6.29 or 2.6.31 kernel for enabling the RTC > functions? I would like to preserve the system data and time between > reboots. I've seen a 32Khz RTC clock option in the linux kernel. > > Is there a separate pin for a small battery just to keep supplying power to > the RTC module?
It looks like VBACKUP can probably be used for this. It will power the RTC rail if the main battery goes down. Will this work for you? Cliff -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
