Hello, I tested this series through the collabora repo at: https://gitlab.collabora.com/hardware-enablement/rockchip-3588/linux commit ID : 1676b0dc5719f8f8bb48620bc71570e29d18801e on top of which I added the Pine64 QuartzPro64 DTS from: https://github.com/neggles/linux-quartz64 I took 2 commits from there: 9783cb904f4e30850c017f22e4160d164b571a01 (the rk806-dual) 01f523af0fce727a0e0a37029bbb2d45626d209a (the qp64 DTS) The SoC ethernet, SD card and eMMC are working properly, the serial console is also OK. You can add my T-B: Tested-by: Vincent Legoll <vincent.legoll@xxxxxxxxx> Regards -- Vincent Legoll