--- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts 2020-08-30 17:11:49.162572017 +0300 +++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts 2020-08-30 17:12:00.122550893 +0300 @@ -12,7 +12,7 @@ compatible = "radxa,rockpis", "rockchip,rk3308"; chosen { - stdout-path = "serial0:1500000n8"; + stdout-path = "serial2:1500000n8"; }; leds { @@ -326,6 +326,10 @@ status = "okay"; }; +&uart2 { + status = "okay"; +}; + &uart4 { pinctrl-names = "default"; pinctrl-0 = <&uart4_xfer &uart4_rts &uart4_cts>;