samples/basic/blinky_pwm/boards/rpi_pico.overlay - third_party/github/zephyrproject-rtos/zephyr - Git at Google

 &pwm_led0 {
 	status = "okay";
 };

 &pwm {
 	status = "okay";
 	divider-frac-4 = <15>;
 	divider-int-4 = <255>;
 };
	&pwm_led0 {
	status = "okay";
	};

	&pwm {
	status = "okay";
	divider-frac-4 = <15>;
	divider-int-4 = <255>;
	};