tests/drivers/clock_control/stm32_clock_configuration/stm32u5_devices/boards/core_init.overlay

/*
 * Copyright (c) 2021 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/*
 * Warning: This overlay clears clocks back to a state equivalent to what could
 * be found in stm32h7.dtsi
 */


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

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

&clk_hsi {
	status = "disabled";
};

&clk_lse {
	status = "disabled";
};

&clk_msis {
	status = "disabled";
	/delete-property/ msi-range;
	/delete-property/ msi-pll-mode;
};

&clk_msik {
	status = "disabled";
	/delete-property/ msi-range;
	/delete-property/ msi-pll-mode;
};

&pll1 {
	/delete-property/ div-m;
	/delete-property/ mul-n;
	/delete-property/ div-q;
	/delete-property/ div-r;
	/delete-property/ clocks;
	status = "disabled";
};

&rcc {
	/delete-property/ clocks;
	/delete-property/ clock-frequency;
	/delete-property/ ahb-prescaler;
	/delete-property/ apb1-prescaler;
	/delete-property/ apb2-prescaler;
	/delete-property/ apb3-prescaler;
};

&spi1 {
	pinctrl-0 = <&spi1_nss_pe12 &spi1_sck_pe13
		     &spi1_miso_pe14 &spi1_mosi_pe15>;
	pinctrl-names = "default";
	status = "disabled";
};

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

&clk_lse {
	status = "okay";
};

&clk_msis {
	status = "okay";
	msi-range = <4>;
	msi-pll-mode;
};

&pll1 {
	div-m = <1>;
	mul-n = <80>;
	div-q = <2>;
	div-r = <2>;
	clocks = <&clk_msis>;
	status = "okay";
};

&rcc {
	clocks = <&pll1>;
	clock-frequency = <DT_FREQ_M(160)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <1>;
	apb2-prescaler = <1>;
	apb3-prescaler = <1>;
};