On Thu, 20 Aug 2020 00:40:38 -0700, Niresh Kumar writes: >1). I have placed the following lines in the /etc/rc.local, and system >time gets updated with external RTC DS3231 automatically at every reboot > >*echo ds3231 0x68 > /sys/class/i2c-adapter/i2c-1/new_device* ... > >2) I have put the line *dtb_overlay = >/lib/firmware/BB-I2C2-RTC-DS3231.dtbo * in /boot/uEnv.txt but it does not
the overlay you're using won't work because your rtc chip is on i2c bus one: as its name (...I2C2...) indicates it's for a clock chip being on i2c bus two. use dtc to decompile that overlay, edit for i2c1 and dtc it back into binary form. -- Best Regards, Alexander Zangerl IT Engineer BREATHE-SAFE intelligent cabin air filtration Keeps your lungs and cabin dust free! Head Office: 37-43 Argon Street, Carole Park QLD 4300 Australia Western Australia: 169 Chisholm Crescent, Kewdale WA 6105 Tel: +61 7 3276 7833 M. +61 415 482 341 E. [email protected] -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/2036-1598217127.233042%40m7hb.CQx9.kzXu.
