zephyr/tests/drivers/counter/counter_basic_api/boards/nrf51dk_nrf51822.overlay

&timer0 {
	status = "okay";
	prescaler = <4>;
};

&timer1 {
	status = "okay";
	prescaler = <4>;
};

&timer2 {
	status = "okay";
	prescaler = <4>;
};

&rtc0 {
	status = "okay";
	ppi-wrap;
};