u-boot/arch/riscv/dts/hifive-unmatched-a00.dts

// SPDX-License-Identifier: GPL-2.0+
/* Copyright (c) 2019-2021 SiFive, Inc */

#include "fu740-c000.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>

/* Clock frequency (in Hz) of the PCB crystal for rtcclk */
#define RTCCLK_FREQ		1000000

/ {
	#address-cells = <2>;
	#size-cells = <2>;
	model = "SiFive HiFive Unmatched A00";
	compatible = "sifive,hifive-unmatched-a00", "sifive,fu740-c000",
		     "sifive,fu740";

	chosen {
		stdout-path = "serial0";
	};

	cpus {
		timebase-frequency = <RTCCLK_FREQ>;
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x4 0x00000000>;
	};

	soc {
	};

	hfclk: hfclk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <26000000>;
		clock-output-names = "hfclk";
	};

	rtcclk: rtcclk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <RTCCLK_FREQ>;
		clock-output-names = "rtcclk";
	};

	gpio-poweroff {
		compatible = "gpio-poweroff";
		gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
	};
};

&uart0 {
	status = "okay";
};

&uart1 {
	status = "okay";
};

&i2c0 {
	status = "okay";

	temperature-sensor@4c {
		compatible = "ti,tmp451";
		reg = <0x4c>;
		interrupt-parent = <&gpio>;
		interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
	};

	pmic@58 {
		compatible = "dlg,da9063";
		reg = <0x58>;
		interrupt-parent = <&gpio>;
		interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
		interrupt-controller;

		regulators {
			vdd_bcore1: bcore1 {
				regulator-min-microvolt = <1050000>;
				regulator-max-microvolt = <1050000>;
				regulator-min-microamp = <5000000>;
				regulator-max-microamp = <5000000>;
				regulator-always-on;
			};

			vdd_bcore2: bcore2 {
				regulator-min-microvolt = <1050000>;
				regulator-max-microvolt = <1050000>;
				regulator-min-microamp = <5000000>;
				regulator-max-microamp = <5000000>;
				regulator-always-on;
			};

			vdd_bpro: bpro {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-min-microamp = <2500000>;
				regulator-max-microamp = <2500000>;
				regulator-always-on;
			};

			vdd_bperi: bperi {
				regulator-min-microvolt = <1050000>;
				regulator-max-microvolt = <1050000>;
				regulator-min-microamp = <1500000>;
				regulator-max-microamp = <1500000>;
				regulator-always-on;
			};

			vdd_bmem: bmem {
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
				regulator-min-microamp = <3000000>;
				regulator-max-microamp = <3000000>;
				regulator-always-on;
			};

			vdd_bio: bio {
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
				regulator-min-microamp = <3000000>;
				regulator-max-microamp = <3000000>;
				regulator-always-on;
			};

			vdd_ldo1: ldo1 {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-min-microamp = <100000>;
				regulator-max-microamp = <100000>;
				regulator-always-on;
			};

			vdd_ldo2: ldo2 {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-min-microamp = <200000>;
				regulator-max-microamp = <200000>;
				regulator-always-on;
			};

			vdd_ldo3: ldo3 {
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-min-microamp = <200000>;
				regulator-max-microamp = <200000>;
				regulator-always-on;
			};

			vdd_ldo4: ldo4 {
				regulator-min-microvolt = <2500000>;
				regulator-max-microvolt = <2500000>;
				regulator-min-microamp = <200000>;
				regulator-max-microamp = <200000>;
				regulator-always-on;
			};

			vdd_ldo5: ldo5 {
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-min-microamp = <100000>;
				regulator-max-microamp = <100000>;
				regulator-always-on;
			};

			vdd_ldo6: ldo6 {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-min-microamp = <200000>;
				regulator-max-microamp = <200000>;
				regulator-always-on;
			};

			vdd_ldo7: ldo7 {
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-min-microamp = <200000>;
				regulator-max-microamp = <200000>;
				regulator-always-on;
			};

			vdd_ldo8: ldo8 {
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-min-microamp = <200000>;
				regulator-max-microamp = <200000>;
				regulator-always-on;
			};

			vdd_ld09: ldo9 {
				regulator-min-microvolt = <1050000>;
				regulator-max-microvolt = <1050000>;
				regulator-min-microamp = <200000>;
				regulator-max-microamp = <200000>;
			};

			vdd_ldo10: ldo10 {
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-min-microamp = <300000>;
				regulator-max-microamp = <300000>;
			};

			vdd_ldo11: ldo11 {
				regulator-min-microvolt = <2500000>;
				regulator-max-microvolt = <2500000>;
				regulator-min-microamp = <300000>;
				regulator-max-microamp = <300000>;
				regulator-always-on;
			};
		};
	};
};

&qspi0 {
	status = "okay";
	flash@0 {
		compatible = "issi,is25wp256", "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <50000000>;
		m25p,fast-read;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;
	};
};

&spi0 {
	status = "okay";
	mmc@0 {
		compatible = "mmc-spi-slot";
		reg = <0>;
		spi-max-frequency = <20000000>;
		voltage-ranges = <3300 3300>;
		disable-wp;
	};
};

&eth0 {
	status = "okay";
	phy-mode = "gmii";
	phy-handle = <&phy0>;
	phy0: ethernet-phy@0 {
		reg = <0>;
	};
};

&pwm0 {
	status = "okay";
};

&pwm1 {
	status = "okay";
};

&gpio {
	status = "okay";
};