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→Linux driver
[[DESK-MX8M-L/General/Release_Notes#DESK-MX8M-L_4.0.0|DESK-MX8M-L 4.0.0]] kernel has the related <code>rtc-ds1307</code> driver module already built and available in the root file system image.
It is enough to connect the RTC board to an I2C and probe the kernel module. For : for the purposes of this AN, it is possible to use the GROOVE connector which has the four required signals available: SCL, SDA, VDD, GND (see the SBC [[ORCA_SOM/ORCA_Evaluation_Kit/Electrical_and_Mechanical_Documents/Schematics | schematics]] page).
Then, the driver has to be enabled in the device tree using the <code>i2c6</code> interface available in the GROOVE connector:
