fdts/stm32mp135f-dk.dts

// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
 * Copyright (C) 2022-2024, STMicroelectronics - All Rights Reserved
 * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
 */

/dts-v1/;

#include <dt-bindings/clock/stm32mp13-clksrc.h>
#include "stm32mp135.dtsi"
#include "stm32mp13xf.dtsi"
#include "stm32mp13-ddr3-1x4Gb-1066-binF.dtsi"
#include "stm32mp13-pinctrl.dtsi"

/ {
	model = "STMicroelectronics STM32MP135F-DK Discovery Board";
	compatible = "st,stm32mp135f-dk", "st,stm32mp135";

	aliases {
		serial0 = &uart4;
		serial1 = &usart1;
		serial2 = &uart8;
		serial3 = &usart2;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	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;
	};

	v3v3_ao: v3v3_ao {
		compatible = "regulator-fixed";
		regulator-name = "v3v3_ao";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};
};

&bsec {
	board_id: board-id@f0 {
		reg = <0xf0 0x4>;
		st,non-secure-otp;
	};
};

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

&hash {
	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 = "disabled";
	secure-status = "okay";

	pmic: stpmic@33 {
		compatible = "st,stpmic1";
		reg = <0x33>;

		status = "disabled";
		secure-status = "okay";

		regulators {
			compatible = "st,stpmic1-regulators";
			buck1-supply = <&vin>;
			buck2-supply = <&vin>;
			buck3-supply = <&vin>;
			buck4-supply = <&vin>;
			ldo1-supply = <&vin>;
			ldo4-supply = <&vin>;
			ldo5-supply = <&vin>;
			ldo6-supply = <&vin>;
			vref_ddr-supply = <&vin>;
			pwr_sw1-supply = <&bst_out>;
			pwr_sw2-supply = <&v3v3_ao>;

			vddcpu: buck1 {
				regulator-name = "vddcpu";
				regulator-min-microvolt = <1250000>;
				regulator-max-microvolt = <1250000>;
				regulator-always-on;
				regulator-over-current-protection;
			};

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

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

			vddcore: buck4 {
				regulator-name = "vddcore";
				regulator-min-microvolt = <1250000>;
				regulator-max-microvolt = <1250000>;
				regulator-always-on;
				regulator-over-current-protection;
			};

			vdd_adc: ldo1 {
				regulator-name = "vdd_adc";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
			};

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

			vdd_sd: ldo5 {
				regulator-name = "vdd_sd";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
			};

			v1v8_periph: ldo6 {
				regulator-name = "v1v8_periph";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
			};

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

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

			v3v3_sw: pwr_sw2 {
				regulator-name = "v3v3_sw";
				regulator-active-discharge = <1>;
				regulator-always-on;
			};
		};
	};
};

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

&pka {
	status = "okay";
};

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

&rcc {
	st,clksrc = <
		CLK_MPU_PLL1P
		CLK_AXI_PLL2P
		CLK_MLAHBS_PLL3
		CLK_CKPER_HSE
		CLK_SDMMC1_PLL4P
		CLK_SDMMC2_PLL4P
		CLK_STGEN_HSE
		CLK_USBPHY_HSE
		CLK_I2C4_HSI
		CLK_USBO_USBPHY
		CLK_I2C12_HSI
		CLK_UART2_HSI
		CLK_UART4_HSI
		CLK_SAES_AXI
	>;

	st,clkdiv = <
		DIV(DIV_AXI, 0)
		DIV(DIV_MLAHB, 0)
		DIV(DIV_APB1, 1)
		DIV(DIV_APB2, 1)
		DIV(DIV_APB3, 1)
		DIV(DIV_APB4, 1)
		DIV(DIV_APB5, 2)
		DIV(DIV_APB6, 1)
	>;

	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_600Mhz: pll4-vco-600Mhz {
			src = <CLK_PLL4_HSE>;
			divmn = <1 49>;
		};
	};

	/* VCO = 1066.0 MHz => P = 266 (AXI), Q = 266, 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 1 0>;
		};
	};

	/* VCO = 417.8 MHz => P = 209, Q = 24, R = 209 */
	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 1>;
		};
	};

	/* VCO = 600.0 MHz => P = 50, Q = 10, R = 100 */
	pll4:st,pll@3 {
		compatible = "st,stm32mp1-pll";
		reg = <3>;

		st,pll = <&pll4_cfg1>;

		pll4_cfg1: pll4_cfg1 {
			st,pll_vco = <&pll4_vco_600Mhz>;
			st,pll_div_pqr = <11 59 5>;
		};
	};
};

&rng {
	status = "okay";
};

&saes {
	status = "okay";
};

&sdmmc1 {
	pinctrl-names = "default";
	pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_clk_pins_a>;
	disable-wp;
	st,neg-edge;
	bus-width = <4>;
	vmmc-supply = <&vdd_sd>;
	status = "okay";
};

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

&uart8 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart8_pins_a>;
	status = "disabled";
};

&usart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&usart1_pins_a>;
	uart-has-rtscts;
	status = "disabled";
};