samples/drivers/watchdog/boards/nucleo_f091rc.overlay - third_party/github/zephyrproject-rtos/zephyr - Git at Google

 /*
  * Copyright (c) 2021 Thomas Stranger
  *
  * SPDX-License-Identifier: Apache-2.0
  */

 &rcc {
 	apb1-prescaler = <4>;
 };
	/*
	* Copyright (c) 2021 Thomas Stranger
	*
	* SPDX-License-Identifier: Apache-2.0
	*/

	&rcc {
	apb1-prescaler = <4>;
	};