u-boot-brain/arch/arm/dts/rk3399-evb.dts

/*
 * (C) Copyright 2016 Rockchip Electronics Co., Ltd
 *
 * SPDX-License-Identifier:     GPL-2.0+
 */

/dts-v1/;
#include <dt-bindings/pwm/pwm.h>
#include "rk3399.dtsi"
#include "rk3399-sdram-lpddr3-4GB-1600.dtsi"

/ {
	model = "Rockchip RK3399 Evaluation Board";
	compatible = "rockchip,rk3399-evb", "rockchip,rk3399",
		     "google,rk3399evb-rev2";

	chosen {
		stdout-path = &uart2;
	};

	vdd_center: vdd-center {
		compatible = "pwm-regulator";
		pwms = <&pwm3 0 25000 0>;
		regulator-name = "vdd_center";
		regulator-min-microvolt = <800000>;
		regulator-max-microvolt = <1400000>;
		regulator-init-microvolt = <950000>;
		regulator-always-on;
		regulator-boot-on;
		status = "okay";
	};

	vccsys: vccsys {
		compatible = "regulator-fixed";
		regulator-name = "vccsys";
		regulator-boot-on;
		regulator-always-on;
	};

	vcc3v3_sys: vcc3v3-sys {
		compatible = "regulator-fixed";
		regulator-name = "vcc3v3_sys";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	vcc_phy: vcc-phy-regulator {
		compatible = "regulator-fixed";
		regulator-name = "vcc_phy";
		regulator-always-on;
		regulator-boot-on;
	};

	vcc5v0_host: vcc5v0-host-en {
		compatible = "regulator-fixed";
		regulator-name = "vcc5v0_host";
		gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>;
	};

};

&emmc_phy {
	status = "okay";
};

&pwm0 {
	status = "okay";
};

&pwm2 {
	status = "okay";
};

&pwm3 {
	status = "okay";
};

&sdmmc {
	bus-width = <4>;
	status = "okay";
};

&sdhci {
	bus-width = <8>;
	mmc-hs400-1_8v;
	mmc-hs400-enhanced-strobe;
	non-removable;
	status = "okay";
};

&uart2 {
	status = "okay";
};

&usb_host0_ehci {
	status = "okay";
};

&usb_host0_ohci {
	status = "okay";
};

&dwc3_typec0 {
	rockchip,vbus-gpio = <&gpio1 3 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&usb_host1_ehci {
	status = "okay";
};

&usb_host1_ohci {
	status = "okay";
};

&dwc3_typec1 {
	rockchip,vbus-gpio = <&gpio1 4 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&i2c0 {
	status = "okay";
	clock-frequency = <400000>;
	i2c-scl-falling-time-ns = <50>;
	i2c-scl-rising-time-ns = <100>;
	u-boot,dm-pre-reloc;

	rk808: pmic@1b {
		compatible = "rockchip,rk808";
		clock-output-names = "xin32k", "wifibt_32kin";
		interrupt-parent = <&gpio0>;
		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&pmic_int_l>;
		reg = <0x1b>;
		rockchip,system-power-controller;
		#clock-cells = <1>;
		u-boot,dm-pre-reloc;
		status = "okay";

		vcc12-supply = <&vcc3v3_sys>;
		regulators {
			vcc33_lcd: SWITCH_REG2 {
				regulator-always-on;
				regulator-boot-on;
				regulator-name = "vcc33_lcd";
			};
		};
	};
};

&pinctrl {
	pmic {
		pmic_int_l: pmic-int-l {
			rockchip,pins =
				<1 21 RK_FUNC_GPIO &pcfg_pull_up>;
		};

		pmic_dvs2: pmic-dvs2 {
			rockchip,pins =
				<1 18 RK_FUNC_GPIO &pcfg_pull_down>;
		};
	};
};