fdts/stm32mp15xx-dkx.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
 * Copyright (c) 2019-2025, STMicroelectronics - All Rights Reserved
 * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
 */

#include <dt-bindings/clock/stm32mp1-clksrc.h>
#include "stm32mp15-ddr3-1x4Gb-1066-binG.dtsi"

/ {
	aliases {
		serial0 = &uart4;
		serial1 = &usart3;
		serial2 = &uart7;
	};

	memory@c0000000 {
		device_type = "memory";
		reg = <0xc0000000 0x20000000>;
	};

	vin: vin {
		compatible = "regulator-fixed";
		regulator-name = "vin";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
	};
};

&bsec {
	board_id: board-id@ec {
		reg = <0xec 0x4>;
		st,non-secure-otp;
	};
};

&clk_hse {
	st,digbypass;
};

&cpu0 {
	cpu-supply = <&vddcore>;
};

&cpu1 {
	cpu-supply = <&vddcore>;
};

&hash1 {
	status = "okay";
};

&i2c4 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c4_pins_a>;
	i2c-scl-rising-time-ns = <185>;
	i2c-scl-falling-time-ns = <20>;
	clock-frequency = <400000>;
	status = "okay";

	pmic: stpmic@33 {
		compatible = "st,stpmic1";
		reg = <0x33>;
		interrupts-extended = <&exti_pwr 55 IRQ_TYPE_EDGE_FALLING>;
		interrupt-controller;
		#interrupt-cells = <2>;
		status = "okay";

		regulators {
			compatible = "st,stpmic1-regulators";
			buck1-supply = <&vin>;
			buck2-supply = <&vin>;
			buck3-supply = <&vin>;
			buck4-supply = <&vin>;
			ldo1-supply = <&v3v3>;
			ldo2-supply = <&vin>;
			ldo3-supply = <&vdd_ddr>;
			ldo4-supply = <&vin>;
			ldo5-supply = <&vin>;
			ldo6-supply = <&v3v3>;
			vref_ddr-supply = <&vin>;
			boost-supply = <&vin>;
			pwr_sw1-supply = <&bst_out>;
			pwr_sw2-supply = <&bst_out>;

			vddcore: buck1 {
				regulator-name = "vddcore";
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1350000>;
				regulator-always-on;
				regulator-initial-mode = <0>;
				regulator-over-current-protection;
			};

			vdd_ddr: buck2 {
				regulator-name = "vdd_ddr";
				regulator-min-microvolt = <1350000>;
				regulator-max-microvolt = <1350000>;
				regulator-always-on;
				regulator-initial-mode = <0>;
				regulator-over-current-protection;
			};

			vdd: buck3 {
				regulator-name = "vdd";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
				st,mask-reset;
				regulator-initial-mode = <0>;
				regulator-over-current-protection;
			};

			v3v3: buck4 {
				regulator-name = "v3v3";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
				regulator-over-current-protection;
				regulator-initial-mode = <0>;
			};

			v1v8_audio: ldo1 {
				regulator-name = "v1v8_audio";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
			};

			v3v3_hdmi: ldo2 {
				regulator-name = "v3v3_hdmi";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
			};

			vtt_ddr: ldo3 {
				regulator-name = "vtt_ddr";
				regulator-always-on;
				regulator-over-current-protection;
				st,regulator-sink-source;
			};

			vdd_usb: ldo4 {
				regulator-name = "vdd_usb";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
			};

			vdda: ldo5 {
				regulator-name = "vdda";
				regulator-min-microvolt = <2900000>;
				regulator-max-microvolt = <2900000>;
				regulator-boot-on;
			};

			v1v2_hdmi: ldo6 {
				regulator-name = "v1v2_hdmi";
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
				regulator-always-on;
			};

			vref_ddr: vref_ddr {
				regulator-name = "vref_ddr";
				regulator-always-on;
			};

			bst_out: boost {
				regulator-name = "bst_out";
			};

			vbus_otg: pwr_sw1 {
				regulator-name = "vbus_otg";
			};

			vbus_sw: pwr_sw2 {
				regulator-name = "vbus_sw";
				regulator-active-discharge = <1>;
			};
		};
	};
};

&iwdg2 {
	timeout-sec = <32>;
	status = "okay";
};

&pwr_regulators {
	vdd-supply = <&vdd>;
	vdd_3v3_usbfs-supply = <&vdd_usb>;
};

&rcc {
	st,clksrc = <
		CLK_MPU_PLL1P
		CLK_AXI_PLL2P
		CLK_MCU_PLL3P
		CLK_RTC_LSE
		CLK_CKPER_HSE
		CLK_SDMMC12_PLL4P
		CLK_STGEN_HSE
		CLK_I2C46_HSI
		CLK_UART24_HSI
	>;

	st,clkdiv = <
		DIV(DIV_MPU, 1)
		DIV(DIV_AXI, 0)
		DIV(DIV_MCU, 0)
		DIV(DIV_APB1, 1)
		DIV(DIV_APB2, 1)
		DIV(DIV_APB3, 1)
		DIV(DIV_APB4, 1)
		DIV(DIV_APB5, 2)
		DIV(DIV_RTC, 23)
	>;

	st,pll_vco {
		pll2_vco_1066Mhz: pll2-vco-1066Mhz {
			src = <CLK_PLL12_HSE>;
			divmn = <2 65>;
			frac = <0x1400>;
		};

		pll3_vco_417Mhz: pll3-vco-417Mhz {
			src = <CLK_PLL3_HSE>;
			divmn = <1 33>;
			frac = <0x1a04>;
		};

		pll4_vco_594Mhz: pll4-vco-594Mhz {
			src = <CLK_PLL4_HSE>;
			divmn = <3 98>;
		};
	};

	/* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */
	pll2: st,pll@1 {
		compatible = "st,stm32mp1-pll";
		reg = <1>;

		st,pll = <&pll2_cfg1>;

		pll2_cfg1: pll2_cfg1 {
			st,pll_vco = <&pll2_vco_1066Mhz>;
			st,pll_div_pqr = <1 0 0>;
		};
	};

	/* VCO = 417.8 MHz => P = 209, Q = 24, R = 11 */
	pll3: st,pll@2 {
		compatible = "st,stm32mp1-pll";
		reg = <2>;

		st,pll = <&pll3_cfg1>;

		pll3_cfg1: pll3_cfg1 {
			st,pll_vco = <&pll3_vco_417Mhz>;
			st,pll_div_pqr = <1 16 36>;
		};
	};

	/* VCO = 594.0 MHz => P = 99, Q = 74, R = 74 */
	pll4: st,pll@3 {
		compatible = "st,stm32mp1-pll";
		reg = <3>;

		st,pll = <&pll4_cfg1>;

		pll4_cfg1: pll4_cfg1 {
			st,pll_vco = <&pll4_vco_594Mhz>;
			st,pll_div_pqr = <5 7 7>;
		};
	};
};

&rng1 {
	status = "okay";
};

&rtc {
	status = "okay";
};

&sdmmc1 {
	pinctrl-names = "default";
	pinctrl-0 = <&sdmmc1_b4_pins_a>;
	disable-wp;
	st,neg-edge;
	bus-width = <4>;
	vmmc-supply = <&v3v3>;
	status = "okay";
};

&uart4 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart4_pins_a>;
	status = "okay";
};

&uart7 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart7_pins_c>;
	status = "disabled";
};

&usart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&usart3_pins_c>;
	uart-has-rtscts;
	status = "disabled";
};

&usbotg_hs {
	phys = <&usbphyc_port1 0>;
	phy-names = "usb2-phy";
	usb-role-switch;
	status = "okay";
};

&usbphyc {
	status = "okay";
};

&usbphyc_port0 {
	phy-supply = <&vdd_usb>;
};

&usbphyc_port1 {
	phy-supply = <&vdd_usb>;
};