[PATCH 2/2] riscv: dts: sophgo: set pinctrl for uart0

[Jisheng Zhang <jszhang@xxxxxxxxxx>]

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