linux-libre/Documentation/devicetree/bindings/timer/snps,archs-rtc.txt

Synopsys ARC Free Running 64-bit Local Timer for ARC HS CPUs
- clocksource provider for UP SoC

Required properties:

- compatible : should be "snps,archs-rtc"
- clocks     : phandle to the source clock

Example:

	rtc {
		compatible = "snps,arc-rtc";
		clocks = <&core_clk>;
	};