zephyr/dts/arm/silabs/efr32fg1p.dtsi

#include <arm/armv7-m.dtsi>
#include <dt-bindings/gpio/gpio.h>

/ {
	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			compatible = "arm,cortex-m4f";
			reg = <0>;
		};
	};

	flash0: flash@0 {
		compatible = "soc-nv-flash";
		label = "FLASH_0";
	};

	sram0: memory@20000000 {
		device_type = "memory";
		compatible = "mmio-sram";
	};

	soc {
		usart0: usart@40010000 { /* USART0 */
			compatible = "silabs,gecko-usart";
			reg = <0x40010000 0x400>;
			interrupts = <11 0>, <12 0>;
			interrupt-names = "rx", "tx";
			status = "disabled";
			label = "USART_0";
		};

		usart1: usart@40010400 { /* USART1 */
			compatible = "silabs,gecko-usart";
			reg = <0x40010400 0x400>;
			interrupts = <19 0>, <20 0>;
			interrupt-names = "rx", "tx";
			status = "disabled";
			label = "USART_1";
		};

		gpio@4000a400 {
			compatible = "silabs,efr32xg1-gpio";
			reg = <0x4000a400 0xc00>;
			interrupts = <9 2 17 2>;
			interrupt-names = "GPIO_EVEN", "GPIO_ODD";
			label = "GPIO";

			ranges;
			#address-cells = <1>;
			#size-cells = <1>;

			gpioa: gpio@4000a000 {
				compatible = "silabs,efr32xg1-gpio-port";
				reg = <0x4000a000 0x30>;
				label = "GPIO_A";
				gpio-controller;
				#gpio-cells = <2>;
			};

			gpiob: gpio@4000a030 {
				compatible = "silabs,efr32xg1-gpio-port";
				reg = <0x4000a030 0x30>;
				label = "GPIO_B";
				gpio-controller;
				#gpio-cells = <2>;
			};

			gpioc: gpio@4000a060 {
				compatible = "silabs,efr32xg1-gpio-port";
				reg = <0x4000a060 0x30>;
				label = "GPIO_C";
				gpio-controller;
				#gpio-cells = <2>;
			};

			gpiod: gpio@4000a090 {
				compatible = "silabs,efr32xg1-gpio-port";
				reg = <0x4000a090 0x30>;
				label = "GPIO_D";
				gpio-controller;
				#gpio-cells = <2>;
			};

			gpioe: gpio@4000a0c0 {
				compatible = "silabs,efr32xg1-gpio-port";
				reg = <0x4000a0c0 0x30>;
				label = "GPIO_E";
				gpio-controller;
				#gpio-cells = <2>;
			};

			gpiof: gpio@4000a0f0 {
				compatible = "silabs,efr32xg1-gpio-port";
				reg = <0x4000af0 0x30>;
				label = "GPIO_F";
				gpio-controller;
				#gpio-cells = <2>;
			};
		};
	};
};

&nvic {
	arm,num-irq-priority-bits = <3>;
};