zephyr/dts/arm/armv6-m.dtsi

#include "skeleton.dtsi"

/ {
	soc {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		interrupt-parent = <&nvic>;
		ranges;

		nvic: interrupt-controller@e000e100  {
			compatible = "arm,v6m-nvic";
			reg = <0xe000e100 0xc00>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		systick: timer@e000e010 {
			compatible = "arm,armv6m-systick";
			reg = <0xe000e010 0x10>;
			status = "disabled";
		};
	};
};