Although the mux function is uart by default, add it for completeness. Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx> --- arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts index 3af9e34b3bc7..cc10688908bc 100644 --- a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts +++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts @@ -33,6 +33,17 @@ &osc { clock-frequency = <25000000>; }; +&pinctrl0 { + uart0_pins: uart0-pins { + pinctrl-single,pins = < + 0x24 MUX_M0 /* UART0_TX */ + 0x28 MUX_M0 /* UART0_RX */ + >; + }; +}; + &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; status = "okay"; }; -- 2.42.0