arm64: dts: renesas: r9a09g047e57-smarc: Add SCIF pincontrol

Add device node for SCIF pincontrol.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/20241216195325.164212-8-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Author: bijudas

arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts

@@ -7,6 +7,7 @@
 
 /dts-v1/;
 
+#include <dt-bindings/pinctrl/renesas,r9a09g047-pinctrl.h>
 #include "r9a09g047e57.dtsi"
 #include "rzg3e-smarc-som.dtsi"
 #include "renesas-smarc2.dtsi"
@@ -16,3 +17,15 @@
 	compatible = "renesas,smarc2-evk", "renesas,rzg3e-smarcm",
 		     "renesas,r9a09g047e57", "renesas,r9a09g047";
 };
+
+&pinctrl {
+	scif_pins: scif {
+		pins = "SCIF_TXD", "SCIF_RXD";
+		renesas,output-impedance = <1>;
+	};
+};
+
+&scif0 {
+	pinctrl-0 = <&scif_pins>;
+	pinctrl-names = "default";
+};