rpi: Enable charging RTC battery on RPi 500(+) #200
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EOS might enable PAYG with RPi 500(+). To keep the RTC working on RPi 500(+), there will be an RPi certified RTC battery [1] which is rechargeable. So, enable RPi 500(+)'s PMIC charging the RTC battery with the configuration in config.txt by following RPi's document [2]. [1]: https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#add-a-backup-battery [2]: https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#enable-battery-charging https://app.asana.com/1/1203676861188277/task/1212515211230014
ramcq
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Jan 5, 2026
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ramcq
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ramcq
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I don't think we should unconditionally enable this on all of our rpi images; we should scope it to ones which are intended for use with PAYG. If people download a free image of EOS for Pi and happen to use it on a Pi500, that doesn't mean they have a rechargable RTC battery!
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I prepared #199, first. But, found the If we must enable with PAYG image only, then we have to create another flag. I think. |
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Going to have a new flag |
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EOS might enable PAYG with RPi 500(+). To keep the RTC working on RPi 500(+), there will be an RPi certified RTC battery 1 which is rechargeable. So, enable RPi 500(+)'s PMIC charging the RTC battery with the configuration in config.txt by following RPi's document 2.
https://app.asana.com/1/1203676861188277/task/1212515211230014