When I test the board.I confuse the question CPU model RK3308BS system rockpi-s-ubuntu-focal-server-arm64-20220308-0852-gpt.img.xz root@rockpis:/home/drv# cat /boot/uEnv.txt verbosity=7 fdtfile=rockchip/rk3308-rock-pi-s.dtb console=ttyS0,1500000n8 overlays=rk3308-uart0 rk3308-uart1 rk3308-uart…

Rock PI S dtb issue

StarZou September 9, 2022, 3:51am 2

Cannot use uart 3 on the second header Using ROCK Pi S

I have solved this problem add “rk3308-uart3.dtbo” to the path /boot/dtbs/4.4.143-65-rockchip-g58431d38f8f3/rockchip/overlay/ rk3308-uart3.zip (425 Bytes)

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