u-boot/arch/arm/dts/rk3328-evb.dts

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

/dts-v1/;
#include "rk3328.dtsi"

/ {
	model = "Rockchip RK3328 EVB";
	compatible = "rockchip,rk3328-evb", "rockchip,rk3328";

	chosen {
		stdout-path = &uart2;
	};

	gmac_clkin: external-gmac-clock {
		compatible = "fixed-clock";
		clock-frequency = <125000000>;
		clock-output-names = "gmac_clkin";
		#clock-cells = <0>;
	};

	vcc3v3_sdmmc: sdmmc-pwren {
		compatible = "regulator-fixed";
		regulator-name = "vcc3v3";
		gpio = <&gpio0 30 GPIO_ACTIVE_LOW>;
		regulator-always-on;
		regulator-boot-on;
	};

	vcc5v0_otg: vcc5v0-otg-drv {
		compatible = "regulator-fixed";
		enable-active-high;
		regulator-name = "vcc5v0_otg";
		gpio = <&gpio0 27 GPIO_ACTIVE_HIGH>;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	vcc5v0_host_xhci: vcc5v0-host-xhci-drv {
		compatible = "regulator-fixed";
		enable-active-high;
		regulator-name = "vcc5v0_host_xhci";
		gpio = <&gpio0 0 GPIO_ACTIVE_HIGH>;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

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

&saradc {
	status = "okay";
};

&uart2 {
	status = "okay";
};

&sdmmc {
	bus-width = <4>;
	cap-mmc-highspeed;
	cap-sd-highspeed;
	card-detect-delay = <200>;
	disable-wp;
	num-slots = <1>;
	pinctrl-names = "default";
	pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cmd>, <&sdmmc0_dectn>, <&sdmmc0_bus4>;
	status = "okay";
};

&emmc {
	bus-width = <8>;
	cap-mmc-highspeed;
	supports-emmc;
	disable-wp;
	non-removable;
	num-slots = <1>;
	pinctrl-names = "default";
	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
	status = "okay";
};

&gmac2io {
	phy-supply = <&vcc_phy>;
	phy-mode = "rgmii";
	clock_in_out = "input";
	snps,reset-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
	snps,reset-active-low;
	snps,reset-delays-us = <0 10000 50000>;
	assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
	assigned-clock-parents = <&gmac_clkin>, <&gmac_clkin>;
	pinctrl-names = "default";
	pinctrl-0 = <&rgmiim1_pins>;
	tx_delay = <0x26>;
	rx_delay = <0x11>;
	status = "okay";
};

&usb_host0_ehci {
	status = "okay";
};

&usb_host0_ohci {
	status = "okay";
};

&usb20_otg {
	vbus-supply = <&vcc5v0_otg>;
	status = "okay";
};

&i2c1 {
	clock-frequency = <400000>;
	i2c-scl-rising-time-ns = <168>;
	i2c-scl-falling-time-ns = <4>;
	status = "okay";

	rk805: pmic@18 {
		compatible = "rockchip,rk805";
		status = "okay";
		reg = <0x18>;
		interrupt-parent = <&gpio2>;
		interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&pmic_int_l>;
		rockchip,system-power-controller;
		wakeup-source;
		gpio-controller;
		#gpio-cells = <2>;
		#clock-cells = <1>;
		clock-output-names = "xin32k", "rk805-clkout2";

		regulators {
			vdd_logic: DCDC_REG1 {
				regulator-name = "vdd_logic";
				regulator-min-microvolt = <712500>;
				regulator-max-microvolt = <1450000>;
				regulator-ramp-delay = <6001>;
				regulator-boot-on;
				regulator-always-on;
				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <1000000>;
				};
			};

			vdd_arm: DCDC_REG2 {
				regulator-name = "vdd_arm";
				regulator-min-microvolt = <712500>;
				regulator-max-microvolt = <1450000>;
				regulator-ramp-delay = <6001>;
				regulator-boot-on;
				regulator-always-on;
				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <1000000>;
				};
			};

			vcc_ddr: DCDC_REG3 {
				regulator-name = "vcc_ddr";
				regulator-boot-on;
				regulator-always-on;
				regulator-state-mem {
					regulator-on-in-suspend;
				};
			};

			vcc_io: DCDC_REG4 {
				regulator-name = "vcc_io";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <3300000>;
				};
			};

			vdd_18: LDO_REG1 {
				regulator-name = "vdd_18";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <1800000>;
				};
			};

			vcc_18emmc: LDO_REG2 {
				regulator-name = "vcc_18emmc";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <1800000>;
				};
			};

			vdd_10: LDO_REG3 {
				regulator-name = "vdd_10";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <1000000>;
				};
			};
		};
	};
};

&pinctrl {
	pmic {
		pmic_int_l: pmic-int-l {
		rockchip,pins =
			<2 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;	/* gpio2_a6 */
		};
	};
};