Note: **the dtb depends on board revision** (and may brick your device
if you use the wrong dtb)

https://gitlab.com/postmarketOS/pmaports/-/blob/master/device/testing/firmware-kobo-clara

https://gitlab.com/postmarketOS/pmaports/-/blob/master/device/testing/device-kobo-clara

https://gitlab.com/postmarketOS/pmaports/-/tree/master/device/testing/linux-kobo-clara-mainline

https://gitlab.com/postmarketOS/pmaports/-/tree/master/device/testing/u-boot-kobo-clara

https://github.com/jwrdegoede/rtl8189ES_linux