The cm5-io has the same hw_id value as the cm5-rpi-cm4-io, and the corresponding dtb file needs to be selected by obtaining the address of the rtc device on the I2C bus.
The rtc device of cm5-io is on the I2C6 bus.
The rtc device for cm5-rpi-cm4-io is on the I2C7 bus. Both rtc devices have address 0x51.
The cm5-io has the same hw_id value as the cm5-rpi-cm4-io, and the corresponding dtb file needs to be selected by obtaining the address of the rtc device on the I2C bus.
The rtc device of cm5-io is on the I2C6 bus. The rtc device for cm5-rpi-cm4-io is on the I2C7 bus. Both rtc devices have address 0x51.