arch/x86/dts/tsc_timer.dtsi - u-boot - Git at Google

 / {
 	tsc-timer {
 		compatible = "x86,tsc-timer";
 		clock-frequency = <CONFIG_X86_TSC_TIMER_FREQ>;
 		u-boot,dm-pre-reloc;
 	};
 };
	/ {
	tsc-timer {
	compatible = "x86,tsc-timer";
	clock-frequency = <CONFIG_X86_TSC_TIMER_FREQ>;
	u-boot,dm-pre-reloc;
	};
	};