arm64: dts: nuvoton: ma35d1: Add uart pinctrl settings

Enable all UART nodes presented on som and iot boards, and add pinctrl
function settings to these nodes.

Signed-off-by: Jacky Huang <ychuang3@nuvoton.com>
Link: https://lore.kernel.org/r/20240819035647.306-4-ychuang570808@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

2 files changed, 155 insertions, 8 deletions

diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
index b89e2be6abae..9482bec1aa57 100644
--- a/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
@@ -14,6 +14,10 @@
 
 	aliases {
 		serial0 = &uart0;
+		serial10 = &uart10;
+		serial12 = &uart12;
+		serial13 = &uart13;
+		serial14 = &uart14;
 	};
 
 	chosen {
@@ -33,10 +37,6 @@
 	};
 };
 
-&uart0 {
-	status = "okay";
-};
-
 &clk {
 	assigned-clocks = <&clk CAPLL>,
 			  <&clk DDRPLL>,
@@ -54,3 +54,75 @@
 			   "integer",
 			   "integer";
 };
+
+&pinctrl {
+	uart-grp {
+		pinctrl_uart0: uart0-pins {
+			nuvoton,pins = <4 14 1>,
+				       <4 15 1>;
+			bias-disable;
+			power-source = <1>;
+		};
+
+		pinctrl_uart10: uart10-pins {
+			nuvoton,pins = <7 4 2>,
+				       <7 5 2>,
+				       <7 6 2>,
+				       <7 7 2>;
+			bias-disable;
+			power-source = <1>;
+		};
+
+		pinctrl_uart12: uart12-pins {
+			nuvoton,pins = <2 13 2>,
+				       <2 14 2>,
+				       <2 15 2>;
+			bias-disable;
+			power-source = <1>;
+		};
+
+		pinctrl_uart13: uart13-pins {
+			nuvoton,pins = <7 12 3>,
+				       <7 13 3>;
+			bias-disable;
+			power-source = <1>;
+		};
+
+		pinctrl_uart14: uart14-pins {
+			nuvoton,pins = <7 14 2>,
+				       <7 15 2>;
+			bias-disable;
+			power-source = <1>;
+		};
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart0>;
+	status = "okay";
+};
+
+&uart10 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart10>;
+	status = "okay";
+};
+
+&uart12 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart12>;
+	status = "okay";
+};
+
+&uart13 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart13>;
+	status = "okay";
+};
+
+&uart14 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart14>;
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
index a1ebddecb7f8..f6f20a17e501 100644
--- a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
@@ -14,6 +14,10 @@
 
 	aliases {
 		serial0 = &uart0;
+		serial11 = &uart11;
+		serial12 = &uart12;
+		serial14 = &uart14;
+		serial16 = &uart16;
 	};
 
 	chosen {
@@ -33,10 +37,6 @@
 	};
 };
 
-&uart0 {
-	status = "okay";
-};
-
 &clk {
 	assigned-clocks = <&clk CAPLL>,
 			  <&clk DDRPLL>,
@@ -54,3 +54,78 @@
 			   "integer",
 			   "integer";
 };
+
+&pinctrl {
+	uart-grp {
+		pinctrl_uart0: uart0-pins {
+			nuvoton,pins = <4 14 1>,
+				       <4 15 1>;
+			bias-disable;
+			power-source = <1>;
+		};
+
+		pinctrl_uart11: uart11-pins {
+			nuvoton,pins = <11 0 2>,
+				       <11 1 2>,
+				       <11 2 2>,
+				       <11 3 2>;
+			bias-disable;
+			power-source = <1>;
+		};
+
+		pinctrl_uart12: uart12-pins {
+			nuvoton,pins = <8 1 2>,
+				       <8 2 2>,
+				       <8 3 2>;
+			bias-disable;
+			power-source = <1>;
+		};
+
+		pinctrl_uart14: uart14-pins {
+			nuvoton,pins = <8 5 2>,
+				       <8 6 2>,
+				       <8 7 2>;
+			bias-disable;
+			power-source = <1>;
+		};
+
+		pinctrl_uart16: uart16-pins {
+			nuvoton,pins = <10 0 2>,
+				       <10 1 2>,
+				       <10 2 2>,
+				       <10 3 2>;
+			bias-disable;
+			power-source = <1>;
+		};
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart0>;
+	status = "okay";
+};
+
+&uart11 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart11>;
+	status = "okay";
+};
+
+&uart12 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart12>;
+	status = "okay";
+};
+
+&uart14 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart14>;
+	status = "okay";
+};
+
+&uart16 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart16>;
+	status = "okay";
+};