u-boot/arch/arm/dts/stm32mp157c-ed1.dts

// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
 * Copyright (C) STMicroelectronics 2017 - All Rights Reserved
 * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
 */
/dts-v1/;

#include "stm32mp157c.dtsi"
#include "stm32mp157-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/mfd/st,stpmu1.h>

/ {
	model = "STMicroelectronics STM32MP157C eval daughter";
	compatible = "st,stm32mp157c-ed1", "st,stm32mp157";

	chosen {
		stdout-path = "serial3:115200n8";
	};

	memory@c0000000 {
		reg = <0xC0000000 0x40000000>;
	};

	sd_switch: regulator-sd_switch {
		compatible = "regulator-gpio";
		regulator-name = "sd_switch";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <2900000>;
		regulator-type = "voltage";
		regulator-always-on;

		gpios = <&gpiof 14 GPIO_ACTIVE_HIGH>;
		gpios-states = <0>;
		states = <1800000 0x1 2900000 0x0>;
	};
};

&rng1 {
	status = "okay";
};

&timers6 {
	status = "okay";
	timer@5 {
		status = "okay";
	};
};

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

	pmic: stpmu1@33 {
		compatible = "st,stpmu1";
		reg = <0x33>;
		interrupts = <0 2>;
		interrupt-parent = <&gpioa>;
		interrupt-controller;
		#interrupt-cells = <2>;
		status = "okay";

		st,main_control_register = <0x04>;
		st,vin_control_register = <0xc0>;
		st,usb_control_register = <0x30>;

		regulators {
			compatible = "st,stpmu1-regulators";

			ldo1-supply = <&v3v3>;
			ldo2-supply = <&v3v3>;
			ldo3-supply = <&vdd_ddr>;
			ldo5-supply = <&v3v3>;
			ldo6-supply = <&v3v3>;
			pwr_sw1-supply = <&bst_out>;
			pwr_sw2-supply = <&bst_out>;

			vddcore: buck1 {
				regulator-name = "vddcore";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1350000>;
				regulator-always-on;
				regulator-initial-mode = <2>;
				regulator-over-current-protection;

				regulator-state-standby {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <1200000>;
					regulator-mode = <8>;
				};
				regulator-state-mem {
					regulator-off-in-suspend;
				};
				regulator-state-disk {
					regulator-off-in-suspend;
				};
			};

			vdd_ddr: buck2 {
				regulator-name = "vdd_ddr";
				regulator-min-microvolt = <1350000>;
				regulator-max-microvolt = <1350000>;
				regulator-always-on;
				regulator-initial-mode = <2>;
				regulator-over-current-protection;

				regulator-state-standby {
					regulator-suspend-microvolt = <1350000>;
					regulator-on-in-suspend;
					regulator-mode = <8>;
				};
				regulator-state-mem {
					regulator-suspend-microvolt = <1350000>;
					regulator-on-in-suspend;
					regulator-mode = <8>;
				};
				regulator-state-disk {
					regulator-off-in-suspend;
				};
			};

			vdd: buck3 {
				regulator-name = "vdd";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
				st,mask_reset;
				regulator-initial-mode = <8>;
				regulator-over-current-protection;

				regulator-state-standby {
					regulator-suspend-microvolt = <3300000>;
					regulator-on-in-suspend;
					regulator-mode = <8>;
				};
				regulator-state-mem {
					regulator-suspend-microvolt = <3300000>;
					regulator-on-in-suspend;
					regulator-mode = <8>;
				};
				regulator-state-disk {
					regulator-suspend-microvolt = <3300000>;
					regulator-on-in-suspend;
					regulator-mode = <8>;
				};
			};

			v3v3: buck4 {
				regulator-name = "v3v3";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-over-current-protection;
				regulator-initial-mode = <8>;

				regulator-state-standby {
					regulator-suspend-microvolt = <3300000>;
					regulator-unchanged-in-suspend;
					regulator-mode = <8>;
				};
				regulator-state-mem {
					regulator-off-in-suspend;
				};
				regulator-state-disk {
					regulator-off-in-suspend;
				};
			};

			vdda: ldo1 {
				regulator-name = "vdda";
				regulator-min-microvolt = <2900000>;
				regulator-max-microvolt = <2900000>;
				interrupts = <IT_CURLIM_LDO1 0>;
				interrupt-parent = <&pmic>;

				regulator-state-standby {
					regulator-suspend-microvolt = <2900000>;
					regulator-unchanged-in-suspend;
				};
				regulator-state-mem {
					regulator-off-in-suspend;
				};
				regulator-state-disk {
					regulator-off-in-suspend;
				};
			};

			v2v8: ldo2 {
				regulator-name = "v2v8";
				regulator-min-microvolt = <2800000>;
				regulator-max-microvolt = <2800000>;
				interrupts = <IT_CURLIM_LDO2 0>;
				interrupt-parent = <&pmic>;

				regulator-state-standby {
					regulator-suspend-microvolt = <2800000>;
					regulator-unchanged-in-suspend;
				};
				regulator-state-mem {
					regulator-off-in-suspend;
				};
				regulator-state-disk {
					regulator-off-in-suspend;
				};
			};

			vtt_ddr: ldo3 {
				regulator-name = "vtt_ddr";
				regulator-min-microvolt = <0000000>;
				regulator-max-microvolt = <1000000>;
				regulator-always-on;
				regulator-over-current-protection;

				regulator-state-standby {
					regulator-off-in-suspend;
				};
				regulator-state-mem {
					regulator-off-in-suspend;
				};
				regulator-state-disk {
					regulator-off-in-suspend;
				};
			};

			vdd_usb: ldo4 {
				regulator-name = "vdd_usb";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				interrupts = <IT_CURLIM_LDO4 0>;
				interrupt-parent = <&pmic>;

				regulator-state-standby {
					regulator-unchanged-in-suspend;
				};
				regulator-state-mem {
					regulator-off-in-suspend;
				};
				regulator-state-disk {
					regulator-off-in-suspend;
				};
			};

			vdd_sd: ldo5 {
				regulator-name = "vdd_sd";
				regulator-min-microvolt = <2900000>;
				regulator-max-microvolt = <2900000>;
				interrupts = <IT_CURLIM_LDO5 0>;
				interrupt-parent = <&pmic>;
				regulator-boot-on;

				regulator-state-standby {
					regulator-suspend-microvolt = <2900000>;
					regulator-unchanged-in-suspend;
				};
				regulator-state-mem {
					regulator-off-in-suspend;
				};
				regulator-state-disk {
					regulator-off-in-suspend;
				};
			};

			v1v8: ldo6 {
				regulator-name = "v1v8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				interrupts = <IT_CURLIM_LDO6 0>;
				interrupt-parent = <&pmic>;

				regulator-state-standby {
					regulator-suspend-microvolt = <1800000>;
					regulator-unchanged-in-suspend;
				};
				regulator-state-mem {
					regulator-off-in-suspend;
				};
				regulator-state-disk {
					regulator-off-in-suspend;
				};
			};

			vref_ddr: vref_ddr {
				regulator-name = "vref_ddr";
				regulator-always-on;
				regulator-over-current-protection;

				regulator-state-standby {
					regulator-on-in-suspend;
				};
				regulator-state-mem {
					regulator-on-in-suspend;
				};
				regulator-state-disk {
					regulator-off-in-suspend;
				};
			};

			 bst_out: boost {
				regulator-name = "bst_out";
				interrupts = <IT_OCP_BOOST 0>;
				interrupt-parent = <&pmic>;
			 };

			vbus_otg: pwr_sw1 {
				regulator-name = "vbus_otg";
				interrupts = <IT_OCP_OTG 0>;
				interrupt-parent = <&pmic>;
				regulator-active-discharge;
			 };

			 vbus_sw: pwr_sw2 {
				regulator-name = "vbus_sw";
				interrupts = <IT_OCP_SWOUT 0>;
				interrupt-parent = <&pmic>;
				regulator-active-discharge;
			 };
		};
	};
};

&pwr {
	pwr-supply = <&vdd>;
};

&sdmmc1 {
	pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
	broken-cd;
	st,dirpol;
	st,negedge;
	st,pin-ckin;
	bus-width = <4>;
	vmmc-supply = <&vdd_sd>;
	vqmmc-supply = <&sd_switch>;
	sd-uhs-sdr12;
	sd-uhs-sdr25;
	sd-uhs-sdr50;
	sd-uhs-ddr50;
	sd-uhs-sdr104;
	status = "okay";
};

&sdmmc2 {
	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;
	non-removable;
	no-sd;
	no-sdio;
	st,dirpol;
	st,negedge;
	bus-width = <8>;
	vmmc-supply = <&v3v3>;
	vqmmc-supply = <&vdd>;
	status = "okay";
};

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

&usbphyc_port0 {
	phy-supply = <&vdd_usb>;
	vdda1v1-supply = <&reg11>;
	vdda1v8-supply = <&reg18>;
};

&usbphyc_port1 {
	phy-supply = <&vdd_usb>;
	vdda1v1-supply = <&reg11>;
	vdda1v8-supply = <&reg18>;
};