tests/drivers/clock_control/stm32_clock_configuration/stm32_common_devices/boards/f4_i2s2_pll.overlay

/*
 * Copyright (c) 2023 STMicroelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/* Clocks clean up config
 * Aim is to avoid conflict with specific default board configuration
 */

&clk_hse {
	status = "disabled";
	/delete-property/ hse-bypass;
	/delete-property/ clock-frequency;
};

&clk_hsi {
	status = "disabled";
};

&clk_lse {
	status = "disabled";
};

&clk_lsi {
	status = "disabled";
};

&pll {
	/delete-property/ mul;
	/delete-property/ div;
	/delete-property/ prediv;
	/delete-property/ xtpre;
	/delete-property/ clocks;
	status = "disabled";
};

&rcc {
	/delete-property/ clocks;
	/delete-property/ clock-frequency;
};

&i2s2 {
	/delete-property/ clocks;
};

/* Core set up
 * Aim of this part is to provide a base working clock config
 */

&clk_hse {
	hse-bypass;
	clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
	status = "okay";
};

&pll {
	div-m = <8>;
	mul-n = <336>;
	div-p = <4>;
	div-q = <7>;
	clocks = <&clk_hse>;
	status = "okay";
};

&plli2s {
	mul-n = <384>;
	div-r = <2>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(84)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <2>;
	apb2-prescaler = <1>;
};

&i2s2 {
	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00004000>,
		 <&rcc STM32_SRC_PLLI2S_R I2S_SEL(0)>;
	pinctrl-0 = <&i2s2_ck_pb10 &i2s2_sd_pb15>;
	pinctrl-names = "default";
	status = "okay";
};