tests/drivers/clock_control/stm32_clock_configuration/stm32h7_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/ hse-bypass;
	/delete-property/ clock-frequency;
};

&clk_hsi {
	status = "disabled";
	/delete-property/ hsi-div;
};

&clk_csi {
	status = "disabled";
};

&clk_lse {
	status = "disabled";
};

&clk_lsi {
	status = "disabled";
};

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

&pll3 {
	/delete-property/ div-m;
	/delete-property/ mul-n;
	/delete-property/ div-p;
	/delete-property/ div-q;
	/delete-property/ div-r;
	/delete-property/ clocks;
	status = "disabled";
};

&rcc {
	/delete-property/ clocks;
	/delete-property/ clock-frequency;
	/delete-property/ d1cpre;
	/delete-property/ hpre;
	/delete-property/ d1ppre;
	/delete-property/ d2ppre1;
	/delete-property/ d2ppre2;
	/delete-property/ d3ppre;
};

&spi1 {
	pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pb5>;
	pinctrl-names = "default";
	status = "disabled";
};

/* 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 = <1>;
	mul-n = <24>;
	div-p = <2>;
	div-q = <1>;
	div-r = <1>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(96)>;
	d1cpre = <1>;
	hpre = <1>;
	d1ppre = <1>;
	d2ppre1 = <1>;
	d2ppre2 = <1>;
	d3ppre = <1>;
};