Hi Alexander, On Wed, Dec 11, 2024 at 09:14:32AM +0300, Alexander Shiyan wrote: > Hello. > > After updating barebox to version 2024.12.0, an error message appeared > when loading > the RK3568 board. Accordingly, the I2C1 interface does not work. > In the previous version (2024.10.0), everything worked as it should. I did not > understand what the problem is, but I suspect that aliases are now > parsed incorrectly. > The system has an alias i2c1 (this is the basic SOC i2c1 interface) > and an alias i2c10 for the GPIO expander. Perhaps the problem is somewhere here? > > ERROR: rk3x-i2c fe5a0000.i2c@xxxxxxxxxxx: probe failed: Device or resource busy The culprit is likely somewhere in these commits: 79357f8b96 i2c: start dynamic I2C bus numbers at 32 b474672545 i2c: get adapter.nr from device tree 5b167ad520 i2c: set adapter.nr explicitly to -1 We now use of_alias_get_id() to get the i2c adapter nr. Which adapter number does fe5a0000.i2c@xxxxxxxxxxx get and which i2c bus device has already occupied that number? Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
