I2C3

[mini]

sudo rmmod mv64xxx_i2c
rmmod: ERROR: Module mv64xxx_i2c is not currently loaded
root@WiPLUX-M040230BBQIGU:~# dmesg | grep -i i2c
[    0.846937] i2c_dev: i2c /dev entries driver
[    1.479459] sun8i-dw-hdmi 6000000.hdmi: registered DesignWare HDMI I2C bus driver
[    1.484185] /soc/i2c@7081400/pmic@36: Fixed dependency cycle(s) with /soc/pinctrl@300b000
[    1.501006] mv64xxx_i2c 5002c00.i2c: Error applying setting, reverse things back
[    1.501095] axp20x-i2c 1-0036: AXP20x variant AXP313a found
[    1.502779] axp20x-i2c 1-0036: AXP20X driver loaded
[   53.381005] i2c i2c-2: mv64xxx: I2C bus locked, block: 1, time_left: 0
[   55.429017] i2c i2c-2: mv64xxx: I2C bus locked, block: 1, time_left: 0
[  154.821986] i2c i2c-2: mv64xxx: I2C bus locked, block: 1, time_left: 0
 

[Werner]

Providing logs with 

armbianmonitor -u

 helps with troubleshooting and significantly raises chances that issue gets addressed.

[mini]

I am using Orange Pi Zero2 / Zero2W / Zero3 boards with the Allwinner H618 SoC and I am encountering an issue with I2C3 (mv64xxx_i2c).

Board Details:

Board: Orange Pi Zero2 / Zero2W / Zero3

SoC: Allwinner H616

Kernel: 6.12.35-current-sunxi64 (Armbian)

Overlay: i2c3-ph (/boot/armbianEnv.txt: overlays=i2c3-ph)

Pinout: PH4 = SDA, PH5 = SCL

Problem:

After boot, /dev/i2c-2 is created, but the bus is locked

dmesg shows:

[    0.846937] i2c_dev: i2c /dev entries driver
[    1.479459] sun8i-dw-hdmi 6000000.hdmi: registered DesignWare HDMI I2C bus driver
[    1.484185] /soc/i2c@7081400/pmic@36: Fixed dependency cycle(s) with /soc/pinctrl@300b000
[    1.501006] mv64xxx_i2c 5002c00.i2c: Error applying setting, reverse things back
[    1.501095] axp20x-i2c 1-0036: AXP20x variant AXP313a found
[    1.502779] axp20x-i2c 1-0036: AXP20X driver loaded
[   53.381005] i2c i2c-2: mv64xxx: I2C bus locked, block: 1, time_left: 0
[   55.429017] i2c i2c-2: mv64xxx: I2C bus locked, block: 1, time_left: 0
Attempting rmmod:

sudo rmmod mv64xxx_i2c
rmmod: ERROR: Module mv64xxx_i2c is not currently loaded

Bus /dev/i2c-2 remains locked

System Information:
Full system info collected via https://paste.armbian.com/vezeminihu

What I have tried:

Created a new overlay i2c3-ph for PH4/PH5

Configured /boot/armbianEnv.txt to load the overlay

Rebooted multiple times, but the bus remains locked

Verified pull-up resistors (PH4/PH5 connected to 3.3V)

Questions:

Has anyone encountered mv64xxx_i2c bus lock on H618?

How should DTS / pinctrl / PMIC be adjusted to get the bus working?

Is there a working example overlay for I2C3 on Orange Pi Zero3 / H618?

Edited 17 hours ago by mini