diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
index c8b2944e304ac6dfdfdacbc3d1b63ab12e7ad73f..e480e329aaa4bfaa1d7f2c57c7976932ee086e5a 100644
--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -222,9 +222,8 @@
 			compatible = "st,asc";
 			reg = <0x9830000 0x2c>;
 			interrupts = <GIC_SPI 122 IRQ_TYPE_NONE>;
-			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_serial0>;
 			clocks = <&clk_s_c0_flexgen CLK_EXT2F_A9>;
+			/* Pinctrl moved out to a per-board configuration */
 
 			status = "disabled";
 		};
diff --git a/arch/arm/boot/dts/stih410-b2260.dts b/arch/arm/boot/dts/stih410-b2260.dts
index fa16abac0e4dfa719e74c068be11bb3b0e57dcd8..cbcbcb4c6e4fb78042f37a782620255d734edc3e 100644
--- a/arch/arm/boot/dts/stih410-b2260.dts
+++ b/arch/arm/boot/dts/stih410-b2260.dts
@@ -62,8 +62,11 @@
 		/* Low speed expansion connector */
 		uart0: serial@9830000 {
 			label = "LS-UART0";
-			status = "okay";
+			pinctrl-names = "default", "no-hw-flowctrl";
+			pinctrl-0 = <&pinctrl_serial0_hw_flowctrl>;
+			pinctrl-1 = <&pinctrl_serial0>;
 			rts-gpios = <&pio17 3 GPIO_ACTIVE_LOW>;
+			status = "okay";
 		};
 
 		/* Low speed expansion connector */