From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

Enable SCIF3. It is routed on the RZ SMARC Carrier II board on SER1_UART
interface.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
---

Changes in v3:
- none

Changes in v2:
- none

 arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
index 33b9873b225a..1be21ece131e 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
@@ -9,9 +9,14 @@
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
 
+#include "rzg3s-smarc-switches.h"
+
 / {
 	aliases {
 		i2c0 = &i2c0;
+#if SW_CONFIG3 == SW_ON
+		serial1 = &scif3;
+#endif
 		serial3 = &scif0;
 		mmc1 = &sdhi1;
 	};
@@ -102,6 +107,11 @@ scif0_pins: scif0 {
 			 <RZG2L_PORT_PINMUX(6, 4, 1)>; /* TXD */
 	};
 
+	scif3_pins: scif3 {
+		pinmux = <RZG2L_PORT_PINMUX(17, 2, 7)>, /* RXD */
+			 <RZG2L_PORT_PINMUX(17, 3, 7)>; /* TXD */
+	};
+
 	sdhi1_pins: sd1 {
 		data {
 			pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3";
@@ -141,6 +151,14 @@ &scif0 {
 	status = "okay";
 };
 
+#if SW_CONFIG3 == SW_ON
+&scif3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&scif3_pins>;
+	status = "okay";
+};
+#endif
+
 &sdhi1 {
 	pinctrl-0 = <&sdhi1_pins>;
 	pinctrl-1 = <&sdhi1_pins_uhs>;
-- 
2.39.2