xref: /openbmc/linux/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts (revision ea738c324c7d80ef6267f91dc980ada902cf74f6)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) 2018 Amarula Solutions B.V.
 * Author: Jagan Teki <jagan@amarulasolutions.com>
 */

/dts-v1/;

#include "sun50i-a64.dtsi"

#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Amarula A64-Relic";
	compatible = "amarula,a64-relic", "allwinner,sun50i-a64";

	aliases {
		serial0 = &uart0;
	};

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

	wifi_pwrseq: wifi-pwrseq {
		compatible = "mmc-pwrseq-simple";
		clocks = <&rtc 1>;
		clock-names = "ext_clock";
		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* WL-PMU-EN: PL2 */
	};
};

&ehci0 {
	status = "okay";
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	status = "okay";

	sensor@48 {
		compatible = "st,stlm75";
		reg = <0x48>;
	};
};

&i2c0_pins {
	bias-pull-up;
};

&mmc1 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc1_pins>;
	vmmc-supply = <&reg_dcdc1>;
	/*
	 * Schematic shows both dldo4 and eldo1 connected for vcc-io-wifi, but
	 * dldo4 connection shows DNP(Do Not Populate) and eldo1 connected with
	 * 0Ohm register to vcc-io-wifi so eldo1 is used.
	 */
	vqmmc-supply = <&reg_eldo1>;
	mmc-pwrseq = <&wifi_pwrseq>;
	bus-width = <4>;
	non-removable;
	status = "okay";

	brcmf: wifi@1 {
		reg = <1>;
		compatible = "brcm,bcm4329-fmac";
		interrupt-parent = <&r_pio>;
		interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>;	/* WL-WAKE-AP: PL3 */
		interrupt-names = "host-wake";
	};
};

&mmc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc2_pins>;
	vmmc-supply = <&reg_dcdc1>;
	bus-width = <8>;
	non-removable;
	cap-mmc-hw-reset;
	status = "okay";
};

&ohci0 {
	status = "okay";
};

&r_rsb {
	status = "okay";

	axp803: pmic@3a3 {
		compatible = "x-powers,axp803";
		reg = <0x3a3>;
		interrupt-parent = <&r_intc>;
		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
		x-powers,drive-vbus-en; /* set N_VBUSEN as output pin */
	};
};

#include "axp803.dtsi"

&reg_aldo1 {
	regulator-always-on;
	regulator-min-microvolt = <2800000>;
	regulator-max-microvolt = <2800000>;
	regulator-name = "avdd-csi";
};

&reg_aldo2 {
	regulator-always-on;
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-pl";
};

&reg_aldo3 {
	regulator-always-on;
	regulator-min-microvolt = <3000000>;
	regulator-max-microvolt = <3000000>;
	regulator-name = "vcc-pll-avcc";
};

&reg_dcdc1 {
	regulator-always-on;
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-3v3";
};

&reg_dcdc2 {
	regulator-always-on;
	regulator-min-microvolt = <1040000>;
	regulator-max-microvolt = <1300000>;
	regulator-name = "vdd-cpux";
};

/* DCDC3 is polyphased with DCDC2 */

&reg_dcdc5 {
	regulator-always-on;
	regulator-min-microvolt = <1500000>;
	regulator-max-microvolt = <1500000>;
	regulator-name = "vcc-dram";
};

&reg_dcdc6 {
	regulator-always-on;
	regulator-min-microvolt = <1100000>;
	regulator-max-microvolt = <1100000>;
	regulator-name = "vdd-sys";
};

&reg_dldo1 {
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-hdmi-dsi-sensor";
};

&reg_dldo2 {
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-mipi";
};

&reg_dldo3 {
	regulator-min-microvolt = <2800000>;
	regulator-max-microvolt = <2800000>;
	regulator-name = "dovdd-csi";
};

&reg_dldo4 {
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-wifi-io";
};

&reg_drivevbus {
	regulator-name = "usb0-vbus";
	status = "okay";
};

&reg_eldo1 {
	regulator-always-on;
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "cpvdd";
};

&reg_eldo3 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "dvdd-csi";
};

&reg_fldo1 {
	regulator-min-microvolt = <1200000>;
	regulator-max-microvolt = <1200000>;
	regulator-name = "vcc-1v2-hsic";
};

/*
 * The A64 chip cannot work without this regulator off, although
 * it seems to be only driving the AR100 core.
 * Maybe we don't still know well about CPUs domain.
 */
&reg_fldo2 {
	regulator-always-on;
	regulator-min-microvolt = <1100000>;
	regulator-max-microvolt = <1100000>;
	regulator-name = "vdd-cpus";
};

&reg_rtc_ldo {
	regulator-name = "vcc-rtc";
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pb_pins>;
	status = "okay";
};

&usb_otg {
	dr_mode = "otg";
	status = "okay";
};

&usbphy {
	usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
	usb0_vbus-supply = <&reg_drivevbus>;
	status = "okay";
};