linux/Documentation/devicetree/bindings/timer/allwinner,sun4i-timer.txt

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Allwinner A1X SoCs Timer Controller
Required properties:
- compatible : should be "allwinner,sun4i-a10-timer"
- reg : Specifies base physical address and size of the registers.
- interrupts : The interrupt of the first timer
- clocks: phandle to the source clock (usually a 24 MHz fixed clock)
Example:
timer {
compatible = "allwinner,sun4i-a10-timer";
reg = <0x01c20c00 0x400>;
interrupts = <22>;
clocks = <&osc>;
};