arch/arm/dts/sun50i-a64-pinephone.dtsi - platform/external/u-boot - Gitiles

 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 // Copyright (C) 2019 Icenowy Zheng <icenowy@aosc.xyz>
 // Copyright (C) 2020 Martijn Braam <martijn@brixit.nl>
 // Copyright (C) 2020 Ondrej Jirman <megous@megous.com>

 #include "sun50i-a64.dtsi"
 #include "sun50i-a64-cpu-opp.dtsi"

 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/pwm/pwm.h>

 / {
 	aliases {
 		serial0 = &uart0;
 	};

 	backlight: backlight {
 		compatible = "pwm-backlight";
 		pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>;
 		enable-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */
 		/* Backlight configuration differs per PinePhone revision. */
 	};

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

 	leds {
 		compatible = "gpio-leds";

 		blue {
 			function = LED_FUNCTION_INDICATOR;
 			color = <LED_COLOR_ID_BLUE>;
 			gpios = <&pio 3 20 GPIO_ACTIVE_HIGH>; /* PD20 */
 		};

 		green {
 			function = LED_FUNCTION_INDICATOR;
 			color = <LED_COLOR_ID_GREEN>;
 			gpios = <&pio 3 18 GPIO_ACTIVE_HIGH>; /* PD18 */
 		};

 		red {
 			function = LED_FUNCTION_INDICATOR;
 			color = <LED_COLOR_ID_RED>;
 			gpios = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */
 		};
 	};

 	speaker_amp: audio-amplifier {
 		compatible = "simple-audio-amplifier";
 		enable-gpios = <&pio 2 7 GPIO_ACTIVE_HIGH>; /* PC7 */
 		sound-name-prefix = "Speaker Amp";
 	};

 	vibrator {
 		compatible = "gpio-vibrator";
 		enable-gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
 		vcc-supply = <&reg_dcdc1>;
 	};
 };

 &codec {
 	status = "okay";
 };

 &codec_analog {
 	cpvdd-supply = <&reg_eldo1>;
 	status = "okay";
 };

 &cpu0 {
 	cpu-supply = <&reg_dcdc2>;
 };

 &cpu1 {
 	cpu-supply = <&reg_dcdc2>;
 };

 &cpu2 {
 	cpu-supply = <&reg_dcdc2>;
 };

 &cpu3 {
 	cpu-supply = <&reg_dcdc2>;
 };

 &dai {
 	status = "okay";
 };

 &de {
 	status = "okay";
 };

 &dphy {
 	status = "okay";
 };

 &dsi {
 	vcc-dsi-supply = <&reg_dldo1>;
 	status = "okay";

 	panel@0 {
 		compatible = "xingbangda,xbd599";
 		reg = <0>;
 		reset-gpios = <&pio 3 23 GPIO_ACTIVE_LOW>; /* PD23 */
 		iovcc-supply = <&reg_dldo2>;
 		vcc-supply = <&reg_ldo_io0>;
 		backlight = <&backlight>;
 	};
 };

 &ehci0 {
 	status = "okay";
 };

 &ehci1 {
 	status = "okay";
 };

 &i2c0 {
 	status = "okay";

 	touchscreen@5d {
 		compatible = "goodix,gt917s";
 		reg = <0x5d>;
 		interrupt-parent = <&pio>;
 		interrupts = <7 4 IRQ_TYPE_LEVEL_HIGH>; /* PH4 */
 		irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
 		reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
 		AVDD28-supply = <&reg_ldo_io0>;
 		VDDIO-supply = <&reg_ldo_io0>;
 		touchscreen-size-x = <720>;
 		touchscreen-size-y = <1440>;
 	};
 };

 &i2c1 {
 	status = "okay";

 	/* Magnetometer */
 	lis3mdl: lis3mdl@1e {
 		compatible = "st,lis3mdl-magn";
 		reg = <0x1e>;
 		vdd-supply = <&reg_dldo1>;
 		vddio-supply = <&reg_dldo1>;
 	};

 	/* Accelerometer/gyroscope */
 	mpu6050@68 {
 		compatible = "invensense,mpu6050";
 		reg = <0x68>;
 		interrupt-parent = <&pio>;
 		interrupts = <7 5 IRQ_TYPE_EDGE_RISING>; /* PH5 */
 		vdd-supply = <&reg_dldo1>;
 		vddio-supply = <&reg_dldo1>;
 	};
 };

 /* Connected to pogo pins (external spring based pinheader for user addons) */
 &i2c2 {
 	status = "okay";
 };

 &lradc {
 	vref-supply = <&reg_aldo3>;
 	status = "okay";

 	button-200 {
 		label = "Volume Up";
 		linux,code = <KEY_VOLUMEUP>;
 		channel = <0>;
 		voltage = <200000>;
 	};

 	button-400 {
 		label = "Volume Down";
 		linux,code = <KEY_VOLUMEDOWN>;
 		channel = <0>;
 		voltage = <400000>;
 	};
 };

 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
 	vmmc-supply = <&reg_dcdc1>;
 	vqmmc-supply = <&reg_dcdc1>;
 	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
 	disable-wp;
 	bus-width = <4>;
 	status = "okay";
 };

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

 &ohci0 {
 	status = "okay";
 };

 &ohci1 {
 	status = "okay";
 };

 &pio {
 	vcc-pb-supply = <&reg_dcdc1>;
 	vcc-pc-supply = <&reg_dcdc1>;
 	vcc-pd-supply = <&reg_dcdc1>;
 	vcc-pe-supply = <&reg_aldo1>;
 	vcc-pf-supply = <&reg_dcdc1>;
 	vcc-pg-supply = <&reg_dldo4>;
 	vcc-ph-supply = <&reg_dcdc1>;
 };

 &r_pio {
 	/*
 	 * FIXME: We can't add that supply for now since it would
 	 * create a circular dependency between pinctrl, the regulator
 	 * and the RSB Bus.
 	 *
 	 * vcc-pl-supply = <&reg_aldo2>;
 	 */
 };

 &r_pwm {
 	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>;
 	};
 };

 #include "axp803.dtsi"

 &ac_power_supply {
 	status = "okay";
 };

 &battery_power_supply {
 	status = "okay";
 };

 &reg_aldo1 {
 	regulator-min-microvolt = <1800000>;
 	regulator-max-microvolt = <1800000>;
 	regulator-name = "dovdd-csi";
 };

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

 &reg_aldo3 {
 	regulator-always-on;
 	regulator-min-microvolt = <2700000>;
 	regulator-max-microvolt = <3300000>;
 	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 = <1000000>;
 	regulator-max-microvolt = <1300000>;
 	regulator-name = "vdd-cpux";
 };

 /* DCDC3 is polyphased with DCDC2 */

 &reg_dcdc5 {
 	regulator-always-on;
 	regulator-min-microvolt = <1200000>;
 	regulator-max-microvolt = <1200000>;
 	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-dsi-sensor";
 };

 &reg_dldo2 {
 	regulator-min-microvolt = <1800000>;
 	regulator-max-microvolt = <1800000>;
 	regulator-name = "vcc-mipi-io";
 };

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

 &reg_dldo4 {
 	regulator-min-microvolt = <1800000>;
 	regulator-max-microvolt = <1800000>;
 	regulator-name = "vcc-wifi-io";
 };

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

 &reg_eldo3 {
 	regulator-min-microvolt = <1800000>;
 	regulator-max-microvolt = <1800000>;
 	regulator-name = "dvdd-1v8-csi";
 };

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

 &reg_fldo2 {
 	regulator-always-on;
 	regulator-min-microvolt = <1100000>;
 	regulator-max-microvolt = <1100000>;
 	regulator-name = "vdd-cpus";
 };

 &reg_ldo_io0 {
 	regulator-min-microvolt = <3300000>;
 	regulator-max-microvolt = <3300000>;
 	regulator-name = "vcc-lcd-ctp-stk";
 	status = "okay";
 };

 &reg_ldo_io1 {
 	regulator-min-microvolt = <1800000>;
 	regulator-max-microvolt = <1800000>;
 	regulator-name = "vcc-1v8-typec";
 	status = "okay";
 };

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

 &sound {
 	status = "okay";
 	simple-audio-card,aux-devs = <&codec_analog>, <&speaker_amp>;
 	simple-audio-card,widgets = "Microphone", "Headset Microphone",
 				    "Microphone", "Internal Microphone",
 				    "Headphone", "Headphone Jack",
 				    "Speaker", "Internal Earpiece",
 				    "Speaker", "Internal Speaker";
 	simple-audio-card,routing =
 			"Headphone Jack", "HP",
 			"Internal Earpiece", "EARPIECE",
 			"Internal Speaker", "Speaker Amp OUTL",
 			"Internal Speaker", "Speaker Amp OUTR",
 			"Speaker Amp INL", "LINEOUT",
 			"Speaker Amp INR", "LINEOUT",
 			"Left DAC", "AIF1 Slot 0 Left",
 			"Right DAC", "AIF1 Slot 0 Right",
 			"AIF1 Slot 0 Left ADC", "Left ADC",
 			"AIF1 Slot 0 Right ADC", "Right ADC",
 			"Internal Microphone", "MBIAS",
 			"MIC1", "Internal Microphone",
 			"Headset Microphone", "HBIAS",
 			"MIC2", "Headset Microphone";
 };

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

 /* Connected to the modem (hardware flow control can't be used) */
 &uart3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart3_pins>;
 	status = "okay";
 };

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

 &usb_power_supply {
 	status = "okay";
 };

 &usbphy {
 	status = "okay";
 };
	// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
	// Copyright (C) 2019 Icenowy Zheng <icenowy@aosc.xyz>
	// Copyright (C) 2020 Martijn Braam <martijn@brixit.nl>
	// Copyright (C) 2020 Ondrej Jirman <megous@megous.com>

	#include "sun50i-a64.dtsi"
	#include "sun50i-a64-cpu-opp.dtsi"

	#include <dt-bindings/gpio/gpio.h>
	#include <dt-bindings/input/input.h>
	#include <dt-bindings/leds/common.h>
	#include <dt-bindings/pwm/pwm.h>

	/ {
	aliases {
	serial0 = &uart0;
	};

	backlight: backlight {
	compatible = "pwm-backlight";
	pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>;
	enable-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */
	/* Backlight configuration differs per PinePhone revision. */
	};

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

	leds {
	compatible = "gpio-leds";

	blue {
	function = LED_FUNCTION_INDICATOR;
	color = <LED_COLOR_ID_BLUE>;
	gpios = <&pio 3 20 GPIO_ACTIVE_HIGH>; /* PD20 */
	};

	green {
	function = LED_FUNCTION_INDICATOR;
	color = <LED_COLOR_ID_GREEN>;
	gpios = <&pio 3 18 GPIO_ACTIVE_HIGH>; /* PD18 */
	};

	red {
	function = LED_FUNCTION_INDICATOR;
	color = <LED_COLOR_ID_RED>;
	gpios = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */
	};
	};

	speaker_amp: audio-amplifier {
	compatible = "simple-audio-amplifier";
	enable-gpios = <&pio 2 7 GPIO_ACTIVE_HIGH>; /* PC7 */
	sound-name-prefix = "Speaker Amp";
	};

	vibrator {
	compatible = "gpio-vibrator";
	enable-gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
	vcc-supply = <&reg_dcdc1>;
	};
	};

	&codec {
	status = "okay";
	};

	&codec_analog {
	cpvdd-supply = <&reg_eldo1>;
	status = "okay";
	};

	&cpu0 {
	cpu-supply = <&reg_dcdc2>;
	};

	&cpu1 {
	cpu-supply = <&reg_dcdc2>;
	};

	&cpu2 {
	cpu-supply = <&reg_dcdc2>;
	};

	&cpu3 {
	cpu-supply = <&reg_dcdc2>;
	};

	&dai {
	status = "okay";
	};

	&de {
	status = "okay";
	};

	&dphy {
	status = "okay";
	};

	&dsi {
	vcc-dsi-supply = <&reg_dldo1>;
	status = "okay";

	panel@0 {
	compatible = "xingbangda,xbd599";
	reg = <0>;
	reset-gpios = <&pio 3 23 GPIO_ACTIVE_LOW>; /* PD23 */
	iovcc-supply = <&reg_dldo2>;
	vcc-supply = <&reg_ldo_io0>;
	backlight = <&backlight>;
	};
	};

	&ehci0 {
	status = "okay";
	};

	&ehci1 {
	status = "okay";
	};

	&i2c0 {
	status = "okay";

	touchscreen@5d {
	compatible = "goodix,gt917s";
	reg = <0x5d>;
	interrupt-parent = <&pio>;
	interrupts = <7 4 IRQ_TYPE_LEVEL_HIGH>; /* PH4 */
	irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
	reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
	AVDD28-supply = <&reg_ldo_io0>;
	VDDIO-supply = <&reg_ldo_io0>;
	touchscreen-size-x = <720>;
	touchscreen-size-y = <1440>;
	};
	};

	&i2c1 {
	status = "okay";

	/* Magnetometer */
	lis3mdl: lis3mdl@1e {
	compatible = "st,lis3mdl-magn";
	reg = <0x1e>;
	vdd-supply = <&reg_dldo1>;
	vddio-supply = <&reg_dldo1>;
	};

	/* Accelerometer/gyroscope */
	mpu6050@68 {
	compatible = "invensense,mpu6050";
	reg = <0x68>;
	interrupt-parent = <&pio>;
	interrupts = <7 5 IRQ_TYPE_EDGE_RISING>; /* PH5 */
	vdd-supply = <&reg_dldo1>;
	vddio-supply = <&reg_dldo1>;
	};
	};

	/* Connected to pogo pins (external spring based pinheader for user addons) */
	&i2c2 {
	status = "okay";
	};

	&lradc {
	vref-supply = <&reg_aldo3>;
	status = "okay";

	button-200 {
	label = "Volume Up";
	linux,code = <KEY_VOLUMEUP>;
	channel = <0>;
	voltage = <200000>;
	};

	button-400 {
	label = "Volume Down";
	linux,code = <KEY_VOLUMEDOWN>;
	channel = <0>;
	voltage = <400000>;
	};
	};

	&mmc0 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins>;
	vmmc-supply = <&reg_dcdc1>;
	vqmmc-supply = <&reg_dcdc1>;
	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
	disable-wp;
	bus-width = <4>;
	status = "okay";
	};

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

	&ohci0 {
	status = "okay";
	};

	&ohci1 {
	status = "okay";
	};

	&pio {
	vcc-pb-supply = <&reg_dcdc1>;
	vcc-pc-supply = <&reg_dcdc1>;
	vcc-pd-supply = <&reg_dcdc1>;
	vcc-pe-supply = <&reg_aldo1>;
	vcc-pf-supply = <&reg_dcdc1>;
	vcc-pg-supply = <&reg_dldo4>;
	vcc-ph-supply = <&reg_dcdc1>;
	};

	&r_pio {
	/*
	* FIXME: We can't add that supply for now since it would
	* create a circular dependency between pinctrl, the regulator
	* and the RSB Bus.
	*
	* vcc-pl-supply = <&reg_aldo2>;
	*/
	};

	&r_pwm {
	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>;
	};
	};

	#include "axp803.dtsi"

	&ac_power_supply {
	status = "okay";
	};

	&battery_power_supply {
	status = "okay";
	};

	&reg_aldo1 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "dovdd-csi";
	};

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

	&reg_aldo3 {
	regulator-always-on;
	regulator-min-microvolt = <2700000>;
	regulator-max-microvolt = <3300000>;
	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 = <1000000>;
	regulator-max-microvolt = <1300000>;
	regulator-name = "vdd-cpux";
	};

	/* DCDC3 is polyphased with DCDC2 */

	&reg_dcdc5 {
	regulator-always-on;
	regulator-min-microvolt = <1200000>;
	regulator-max-microvolt = <1200000>;
	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-dsi-sensor";
	};

	&reg_dldo2 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "vcc-mipi-io";
	};

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

	&reg_dldo4 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "vcc-wifi-io";
	};

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

	&reg_eldo3 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "dvdd-1v8-csi";
	};

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

	&reg_fldo2 {
	regulator-always-on;
	regulator-min-microvolt = <1100000>;
	regulator-max-microvolt = <1100000>;
	regulator-name = "vdd-cpus";
	};

	&reg_ldo_io0 {
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-lcd-ctp-stk";
	status = "okay";
	};

	&reg_ldo_io1 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "vcc-1v8-typec";
	status = "okay";
	};

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

	&sound {
	status = "okay";
	simple-audio-card,aux-devs = <&codec_analog>, <&speaker_amp>;
	simple-audio-card,widgets = "Microphone", "Headset Microphone",
	"Microphone", "Internal Microphone",
	"Headphone", "Headphone Jack",
	"Speaker", "Internal Earpiece",
	"Speaker", "Internal Speaker";
	simple-audio-card,routing =
	"Headphone Jack", "HP",
	"Internal Earpiece", "EARPIECE",
	"Internal Speaker", "Speaker Amp OUTL",
	"Internal Speaker", "Speaker Amp OUTR",
	"Speaker Amp INL", "LINEOUT",
	"Speaker Amp INR", "LINEOUT",
	"Left DAC", "AIF1 Slot 0 Left",
	"Right DAC", "AIF1 Slot 0 Right",
	"AIF1 Slot 0 Left ADC", "Left ADC",
	"AIF1 Slot 0 Right ADC", "Right ADC",
	"Internal Microphone", "MBIAS",
	"MIC1", "Internal Microphone",
	"Headset Microphone", "HBIAS",
	"MIC2", "Headset Microphone";
	};

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

	/* Connected to the modem (hardware flow control can't be used) */
	&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart3_pins>;
	status = "okay";
	};

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

	&usb_power_supply {
	status = "okay";
	};

	&usbphy {
	status = "okay";
	};