dts: arm: gd32f4xx: add pinctrl and gpio nodes

Add definitions for the pinctrl and gpio nodes.

Signed-off-by: Gerard Marull-Paretas <[email protected]>

Author: gmarull

dts/arm/gigadevice/gd32f4xx/gd32f4xx.dtsi

@@ -53,6 +53,87 @@
 			status = "disabled";
 			label = "USART0";
 		};
+
+		pinctrl: pin-controller@40020000 {
+			compatible = "gd,gd32-pinctrl-af";
+			reg = <0x40020000 0x2400>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			status = "okay";
+			label = "PINCTRL";
+
+			gpioa: gpio@40020000 {
+				compatible = "gd,gd32-gpio";
+				reg = <0x40020000 0x400>;
+				rcu-periph-clock = <0xc00>;
+				status = "disabled";
+				label = "GPIOA";
+			};
+
+			gpiob: gpio@40020400 {
+				compatible = "gd,gd32-gpio";
+				reg = <0x40020400 0x400>;
+				rcu-periph-clock = <0xc01>;
+				status = "disabled";
+				label = "GPIOB";
+			};
+
+			gpioc: gpio@40020800 {
+				compatible = "gd,gd32-gpio";
+				reg = <0x40020800 0x400>;
+				rcu-periph-clock = <0xc02>;
+				status = "disabled";
+				label = "GPIOC";
+			};
+
+			gpiod: gpio@40020c00 {
+				compatible = "gd,gd32-gpio";
+				reg = <0x40020c00 0x400>;
+				rcu-periph-clock = <0xc03>;
+				status = "disabled";
+				label = "GPIOD";
+			};
+
+			gpioe: gpio@40021000 {
+				compatible = "gd,gd32-gpio";
+				reg = <0x40021000 0x400>;
+				rcu-periph-clock = <0xc04>;
+				status = "disabled";
+				label = "GPIOE";
+			};
+
+			gpiof: gpio@40021400 {
+				compatible = "gd,gd32-gpio";
+				reg = <0x40021400 0x400>;
+				rcu-periph-clock = <0xc05>;
+				status = "disabled";
+				label = "GPIOF";
+			};
+
+			gpiog: gpio@40021800 {
+				compatible = "gd,gd32-gpio";
+				reg = <0x40021800 0x400>;
+				rcu-periph-clock = <0xc06>;
+				status = "disabled";
+				label = "GPIOG";
+			};
+
+			gpioh: gpio@40021c00 {
+				compatible = "gd,gd32-gpio";
+				reg = <0x40021c00 0x400>;
+				rcu-periph-clock = <0xc07>;
+				status = "disabled";
+				label = "GPIOH";
+			};
+
+			gpioi: gpio@40022000 {
+				compatible = "gd,gd32-gpio";
+				reg = <0x40022000 0x400>;
+				rcu-periph-clock = <0xc08>;
+				status = "disabled";
+				label = "GPIOI";
+			};
+		};
 	};
 };