turkerali

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About turkerali

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  1. Fair enough. I've just sent a pull request for this small change. Hope I won't break anything
  2. I had to recompile the Armbian kernel for the DS1307 RTC Module. The details are in this thread: https://forum.armbian.com/topic/8856-solved-how-to-add-an-external-rtc-module-to-rock64-board/
  3. ROCK64 is a RK3328 Quad-Core ARM Cortex A53 board with up to 4 GB of RAM. Unfortunately it has a non-functional RTC (/dev/rtc0), which is not battery backed. If your board is not connected to internet 7/24, you can not use the NTP or systemd-timesyncd. Therefore you need to connect a battery-backed external RTC module to the ROCK64 header, and get the time via the i2c protocol. The good news is, the GPIO headers on ROCK64 is compatible with Raspberry Pi headers. Therefore almost any Raspberry Pi RTC module will work on ROCK64. But you need to do some tweaking to communicate with the RTC module
  4. I have an external RTC module, which I bought from from AB electronics for my Rasberry Pi (see https://www.abelectronics.co.uk/p/70/rtc-pi). As the pinouts for Raspberry Pi and Rock64 are same, I can connect this RTC module to the ROCK 64 board and i2cdetect detects the module with some minor tweaks. The only missing part is the DS1307 kernel driver. I can change the armbian config and compile my own kernel, but I don't want to do that again and again whenever the kernel gets updated. Therefore if the CONFIG_RTC_DRV_DS1307 option is set to "m" in the default config, every ROCK64
  5. Gentlemen, I have a rock64 board, and I would like to use an external RTC module with DS1307 chip. Unfortunately the armbian kernel does not provide DS1307 driver by default: root@rock64:~# cat /boot/config-4.4.162-rockchip64 | grep DS1307 # CONFIG_RTC_DRV_DS1307 is not set I don't have the programming skills for sending a pull request to enable this module. Could you please enable this module for ROCK64? I believe other ROCK64 owners may also benefit from this driver, as the board does not expose a working RTC, and DS1307 is a very common RTC chip.