For rpi4 allow dtoverlay i2c-rtc use i2c5 port
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 25/100
- Issue type
- Feature
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- c, linux, raspberry-pi
- Domain
- embedded-iot, operating-systems
Research direction
Start by reproducing the Raspberry Pi 4 case with the dtoverlay i2c-rtc setup and the i2c5 command shown in the issue. Trace how the overlay selects its I2C port, then verify that an RTC on i2c5 can be configured without running the sysfs command at boot.
Written by the indexing model from the issue text.
Description
Describe the bug
Add functionality for dtoverlay i2c-rtc to use i2c 5 port
Steps to reproduce the behaviour
The only way to use an rtc on port 5 is activating i2c5 and run at boot, the following
echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-5/new_device
Device (s)
Raspberry Pi 4 Mod. B
System
Linux alarmpi 5.15.21-3-rpi-ARCH #1 armv7l GNU/Linux
Logs
No response
Additional context
No response
- Dominant language
- C
- Stars
- 13.2k
- Forks
- 5.5k
- Avg merge
- 2d 21h
- Merged PRs (30d)
- 21
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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