[linux-block.git] / arch / arm / boot / dts / da850-lego-ev3.dts

/*
 * Device tree for LEGO MINDSTORMS EV3
 *
 * Copyright (C) 2017 David Lechner <david@lechnology.com>
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation, version 2.
 */

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/pwm/pwm.h>

#include "da850.dtsi"

/ {
	compatible = "lego,ev3", "ti,da850";
	model = "LEGO MINDSTORMS EV3";

	aliases {
		serial1 = &serial1;
	};

	memory@c0000000 {
		device_type = "memory";
		reg = <0xc0000000 0x04000000>;
	};

	/*
	 * The buttons on the EV3 are mapped to keyboard keys.
	 */
	gpio_keys {
		compatible = "gpio-keys";
		label = "EV3 Brick Buttons";
		pinctrl-names = "default";
		pinctrl-0 = <&button_bias>;

		center {
			label = "Center";
			linux,code = <KEY_ENTER>;
			gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
		};

		left {
			label = "Left";
			linux,code = <KEY_LEFT>;
			gpios = <&gpio 102 GPIO_ACTIVE_HIGH>;
		};

		back {
			label = "Back";
			linux,code = <KEY_BACKSPACE>;
			gpios = <&gpio 106 GPIO_ACTIVE_HIGH>;
		};

		right {
			label = "Right";
			linux,code = <KEY_RIGHT>;
			gpios = <&gpio 124 GPIO_ACTIVE_HIGH>;
		};

		down {
			label = "Down";
			linux,code = <KEY_DOWN>;
			gpios = <&gpio 126 GPIO_ACTIVE_HIGH>;
		};

		up {
			label = "Up";
			linux,code = <KEY_UP>;
			gpios = <&gpio 127 GPIO_ACTIVE_HIGH>;
		};
	};

	/*
	 * The EV3 has two built-in bi-color LEDs behind the buttons.
	 */
	leds {
		compatible = "gpio-leds";

		left_green {
			label = "led0:green:brick-status";
			/* GP6[13] */
			gpios = <&gpio 103 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "default-on";
		};

		right_red {
			label = "led1:red:brick-status";
			/* GP6[7] */
			gpios = <&gpio 108 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "default-on";
		};

		left_red {
			label = "led0:red:brick-status";
			/* GP6[12] */
			gpios = <&gpio 109 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "default-on";
		};

		right_green {
			label = "led1:green:brick-status";
			/* GP6[14] */
			gpios = <&gpio 110 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "default-on";
		};
	};

	/*
	 * The EV3 is powered down by turning off the main 5V supply.
	 */
	gpio-poweroff {
		compatible = "gpio-poweroff";
		gpios = <&gpio 107 GPIO_ACTIVE_LOW>;
	};

	sound {
		compatible = "pwm-beeper";
		pinctrl-names = "default";
		pinctrl-0 = <&ehrpwm0b_pins>;
		pwms = <&ehrpwm0 1 1000000 0>;
		amp-supply = <&amp>;
	};

	/*
	 * This is a 5V current limiting regulator that is shared by USB,
	 * the sensor (input) ports, the motor (output) ports and the A/DC.
	 */
	vcc5v: regulator1 {
		compatible = "regulator-fixed";
		regulator-name = "vcc5v";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio 101 0>;
		over-current-gpios = <&gpio 99 GPIO_ACTIVE_LOW>;
		enable-active-high;
		regulator-boot-on;
	};

	/*
	 * This is a simple voltage divider on VCC5V to provide a 2.5V
	 * reference signal to the ADC.
	 */
	adc_ref: regulator2 {
		compatible = "regulator-fixed";
		regulator-name = "adc ref";
		regulator-min-microvolt = <2500000>;
		regulator-max-microvolt = <2500000>;
		regulator-boot-on;
		vin-supply = <&vcc5v>;
	};

	/*
	 * This is the amplifier for the speaker.
	 */
	amp: regulator3 {
		compatible = "regulator-fixed";
		regulator-name = "amp";
		gpio = <&gpio 111 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	/*
	 * The EV3 can use 6-AA batteries or a rechargeable Li-ion battery pack.
	 */
	battery {
		compatible = "lego,ev3-battery";
		io-channels = <&adc 4>, <&adc 3>;
		io-channel-names = "voltage", "current";
		rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>;
	};

	bt_slow_clk: bt-clock {
		pinctrl-names = "default";
		pinctrl-0 = <&ecap2_pins>, <&bt_clock_bias>;
		compatible = "pwm-clock";
		#clock-cells = <0>;
		clock-frequency = <32768>;
		pwms = <&ecap2 0 30518 0>;
	};

	/* ARM local RAM */
	memory@ffff0000 {
		compatible = "syscon", "simple-mfd";
		reg = <0xffff0000 0x2000>; /* 8k */

		/*
		 * The I2C bootloader looks for this magic value to either
		 * boot normally or boot into a firmware update mode.
		 */
		reboot-mode {
			compatible = "syscon-reboot-mode";
			offset = <0x1ffc>;
			mode-normal = <0x00000000>;
			mode-loader = <0x5555aaaa>;
		};
	};
};

&ref_clk {
	clock-frequency = <24000000>;
};

&pmx_core {
	status = "okay";

	ev3_lcd_pins: pinmux_lcd {
		pinctrl-single,bits = <
			/* SIMO, CLK */
			0x14 0x00100100 0x00f00f00
		>;
	};
};

&pinconf {
	status = "okay";

	/* Buttons have external pulldown resistors */
	button_bias: button-bias-groups {
		disable {
			groups = "cp5", "cp24", "cp25", "cp28";
			bias-disable;
		};
	};

	bt_clock_bias: bt-clock-bias-groups {
		disable {
			groups = "cp2";
			bias-disable;
		};
	};

	bt_pic_bias: bt-pic-bias-groups {
		disable {
			groups = "cp20";
			bias-disable;
		};
	};
};

/* Input port 1 */
&serial1 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&serial1_rxtx_pins>;
};

&serial2 {
	pinctrl-names = "default";
	pinctrl-0 = <&serial2_rxtx_pins>, <&serial2_rtscts_pins>, <&bt_pic_bias>;
	status = "okay";

	bluetooth {
		compatible = "ti,cc2560";
		clocks = <&bt_slow_clk>;
		clock-names = "ext_clock";
		enable-gpios = <&gpio 73 GPIO_ACTIVE_HIGH>;
		max-speed = <2000000>;
		nvmem-cells = <&bdaddr>;
		nvmem-cell-names = "bd-address";
	};
};

&rtc0 {
	status = "okay";
};

&i2c0 {
	status = "okay";
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;

	/*
	 * EEPROM contains the first stage bootloader, HW ID and Bluetooth MAC.
	 */
	eeprom@50 {
		compatible = "microchip,24c128", "atmel,24c128";
		pagesize = <64>;
		read-only;
		reg = <0x50>;
		#address-cells = <1>;
		#size-cells = <1>;

		bdaddr: bdaddr@3f06 {
			reg = <0x3f06 0x06>;
		};
	};
};

&wdt {
	status = "okay";
};

&mmc0 {
	status = "okay";
	max-frequency = <50000000>;
	bus-width = <4>;
	cd-gpios = <&gpio 94 GPIO_ACTIVE_LOW>;
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins>;
};

&spi0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>, <&spi0_cs3_pin>;

	flash@0 {
		compatible = "n25q128a13", "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <50000000>;
		ti,spi-wdelay = <8>;

		/* Partitions are based on the official firmware from LEGO */
		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				label = "U-Boot";
				reg = <0 0x40000>;
			};

			partition@40000 {
				label = "U-Boot Env";
				reg = <0x40000 0x10000>;
			};

			partition@50000 {
				label = "Kernel";
				reg = <0x50000 0x200000>;
			};

			partition@250000 {
				label = "Filesystem";
				reg = <0x250000 0xa50000>;
			};

			partition@cb0000 {
				label = "Storage";
				reg = <0xcb0000 0x2f0000>;
			};
		};
	};

	adc: adc@3 {
		compatible = "ti,ads7957";
		reg = <3>;
		#io-channel-cells = <1>;
		spi-max-frequency = <1000000>;
		ti,spi-wdelay = <63>;
		vref-supply = <&adc_ref>;
	};
};

&spi1 {
	status = "okay";
	pinctrl-0 = <&ev3_lcd_pins>;
	pinctrl-names = "default";
	cs-gpios = <&gpio 44 GPIO_ACTIVE_LOW>;

	display@0{
		compatible = "lego,ev3-lcd";
		reg = <0>;
		spi-max-frequency = <10000000>;
		a0-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
	};
};

&ecap2 {
	status = "okay";
};

&ehrpwm0 {
	status = "okay";
};

&gpio {
	status = "okay";

	/* Don't pull down battery voltage adc io channel */
	batt_volt_en {
		gpio-hog;
		gpios = <6 GPIO_ACTIVE_HIGH>;
		output-high;
	};

	/* Don't impede Bluetooth clock signal */
	bt_clock_en {
		gpio-hog;
		gpios = <5 GPIO_ACTIVE_HIGH>;
		input;
	};

	/*
	 * There is a PIC microcontroller for interfacing with an Apple MFi
	 * chip. This interferes with normal Bluetooth operation, so we need
	 * to make sure it is turned off. Note: The publicly available
	 * schematics from LEGO don't show that these pins are connected to
	 * anything, but they are present in the source code from LEGO.
	 */

	bt_pic_en {
		gpio-hog;
		gpios = <51 GPIO_ACTIVE_HIGH>;
		output-low;
	};

	bt_pic_rst {
		gpio-hog;
		gpios = <78 GPIO_ACTIVE_HIGH>;
		output-high;
	};

	bt_pic_cts {
		gpio-hog;
		gpios = <87 GPIO_ACTIVE_HIGH>;
		input;
	};
};

&usb_phy {
	status = "okay";
};

&usb0 {
	status = "okay";
};

&usb1 {
	status = "okay";
	vbus-supply = <&vcc5v>;
};
Commit	Line	Data
4302a38e DL	1	/*
	2	* Device tree for LEGO MINDSTORMS EV3
	3	*
	4	* Copyright (C) 2017 David Lechner <david@lechnology.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the
	8	* Free Software Foundation, version 2.
	9	*/
	10
	11	/dts-v1/;
	12	#include <dt-bindings/gpio/gpio.h>
	13	#include <dt-bindings/input/linux-event-codes.h>
	14	#include <dt-bindings/pwm/pwm.h>
	15
	16	#include "da850.dtsi"
	17
	18	/ {
	19	compatible = "lego,ev3", "ti,da850";
	20	model = "LEGO MINDSTORMS EV3";
	21
	22	aliases {
	23	serial1 = &serial1;
	24	};
	25
	26	memory@c0000000 {
	27	device_type = "memory";
	28	reg = <0xc0000000 0x04000000>;
	29	};
	30
	31	/*
	32	* The buttons on the EV3 are mapped to keyboard keys.
	33	*/
	34	gpio_keys {
	35	compatible = "gpio-keys";
4302a38e DL	36	label = "EV3 Brick Buttons";
4302a38e DL	37	pinctrl-names = "default";
d1f94959	38	pinctrl-0 = <&button_bias>;
4302a38e DL	39
	40	center {
	41	label = "Center";
	42	linux,code = <KEY_ENTER>;
	43	gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
	44	};
	45
	46	left {
	47	label = "Left";
	48	linux,code = <KEY_LEFT>;
	49	gpios = <&gpio 102 GPIO_ACTIVE_HIGH>;
	50	};
	51
	52	back {
	53	label = "Back";
	54	linux,code = <KEY_BACKSPACE>;
	55	gpios = <&gpio 106 GPIO_ACTIVE_HIGH>;
	56	};
	57
	58	right {
	59	label = "Right";
	60	linux,code = <KEY_RIGHT>;
	61	gpios = <&gpio 124 GPIO_ACTIVE_HIGH>;
	62	};
	63
	64	down {
	65	label = "Down";
	66	linux,code = <KEY_DOWN>;
	67	gpios = <&gpio 126 GPIO_ACTIVE_HIGH>;
	68	};
	69
	70	up {
	71	label = "Up";
	72	linux,code = <KEY_UP>;
	73	gpios = <&gpio 127 GPIO_ACTIVE_HIGH>;
	74	};
	75	};
	76
	77	/*
	78	* The EV3 has two built-in bi-color LEDs behind the buttons.
	79	*/
	80	leds {
	81	compatible = "gpio-leds";
4302a38e DL	82
	83	left_green {
	84	label = "led0:green:brick-status";
	85	/* GP6[13] */
	86	gpios = <&gpio 103 GPIO_ACTIVE_HIGH>;
	87	linux,default-trigger = "default-on";
	88	};
	89
	90	right_red {
	91	label = "led1:red:brick-status";
	92	/* GP6[7] */
	93	gpios = <&gpio 108 GPIO_ACTIVE_HIGH>;
	94	linux,default-trigger = "default-on";
	95	};
	96
	97	left_red {
	98	label = "led0:red:brick-status";
	99	/* GP6[12] */
	100	gpios = <&gpio 109 GPIO_ACTIVE_HIGH>;
	101	linux,default-trigger = "default-on";
	102	};
	103
	104	right_green {
	105	label = "led1:green:brick-status";
	106	/* GP6[14] */
	107	gpios = <&gpio 110 GPIO_ACTIVE_HIGH>;
	108	linux,default-trigger = "default-on";
	109	};
	110	};
	111
	112	/*
	113	* The EV3 is powered down by turning off the main 5V supply.
	114	*/
	115	gpio-poweroff {
	116	compatible = "gpio-poweroff";
	117	gpios = <&gpio 107 GPIO_ACTIVE_LOW>;
4302a38e DL	118	};
4302a38e DL	119
7723d70b DL	120	sound {
	121	compatible = "pwm-beeper";
	122	pinctrl-names = "default";
	123	pinctrl-0 = <&ehrpwm0b_pins>;
	124	pwms = <&ehrpwm0 1 1000000 0>;
	125	amp-supply = <&amp>;
	126	};
	127
4302a38e DL	128	/*
	129	* This is a 5V current limiting regulator that is shared by USB,
	130	* the sensor (input) ports, the motor (output) ports and the A/DC.
	131	*/
	132	vcc5v: regulator1 {
4302a38e DL	133	compatible = "regulator-fixed";
	134	regulator-name = "vcc5v";
	135	regulator-min-microvolt = <5000000>;
	136	regulator-max-microvolt = <5000000>;
	137	gpio = <&gpio 101 0>;
	138	over-current-gpios = <&gpio 99 GPIO_ACTIVE_LOW>;
	139	enable-active-high;
	140	regulator-boot-on;
	141	};
8a81ff17 DL	142
	143	/*
	144	* This is a simple voltage divider on VCC5V to provide a 2.5V
	145	* reference signal to the ADC.
	146	*/
	147	adc_ref: regulator2 {
	148	compatible = "regulator-fixed";
	149	regulator-name = "adc ref";
	150	regulator-min-microvolt = <2500000>;
	151	regulator-max-microvolt = <2500000>;
	152	regulator-boot-on;
	153	vin-supply = <&vcc5v>;
	154	};
7723d70b DL	155
	156	/*
	157	* This is the amplifier for the speaker.
	158	*/
	159	amp: regulator3 {
7723d70b DL	160	compatible = "regulator-fixed";
	161	regulator-name = "amp";
	162	gpio = <&gpio 111 GPIO_ACTIVE_HIGH>;
	163	enable-active-high;
	164	};
b8a46eea DL	165
	166	/*
	167	* The EV3 can use 6-AA batteries or a rechargeable Li-ion battery pack.
	168	*/
	169	battery {
b8a46eea DL	170	compatible = "lego,ev3-battery";
	171	io-channels = <&adc 4>, <&adc 3>;
	172	io-channel-names = "voltage", "current";
	173	rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>;
	174	};
7d7eff8f	175
4729bef9 DL	176	bt_slow_clk: bt-clock {
	177	pinctrl-names = "default";
	178	pinctrl-0 = <&ecap2_pins>, <&bt_clock_bias>;
	179	compatible = "pwm-clock";
	180	#clock-cells = <0>;
	181	clock-frequency = <32768>;
	182	pwms = <&ecap2 0 30518 0>;
	183	};
	184
7d7eff8f DL	185	/* ARM local RAM */
	186	memory@ffff0000 {
	187	compatible = "syscon", "simple-mfd";
	188	reg = <0xffff0000 0x2000>; /* 8k */
	189
	190	/*
	191	* The I2C bootloader looks for this magic value to either
	192	* boot normally or boot into a firmware update mode.
	193	*/
	194	reboot-mode {
	195	compatible = "syscon-reboot-mode";
	196	offset = <0x1ffc>;
	197	mode-normal = <0x00000000>;
	198	mode-loader = <0x5555aaaa>;
	199	};
	200	};
4302a38e DL	201	};
4302a38e DL	202
3652e274 DL	203	&ref_clk {
	204	clock-frequency = <24000000>;
	205	};
	206
4302a38e DL	207	&pmx_core {
	208	status = "okay";
	209
2798c4b7 DL	210	ev3_lcd_pins: pinmux_lcd {
2798c4b7 DL	211	pinctrl-single,bits = <
d1f94959 DL	212	/* SIMO, CLK */
d1f94959 DL	213	0x14 0x00100100 0x00f00f00
2798c4b7 DL	214	>;
2798c4b7 DL	215	};
4302a38e DL	216	};
	217
	218	&pinconf {
	219	status = "okay";
	220
	221	/* Buttons have external pulldown resistors */
	222	button_bias: button-bias-groups {
	223	disable {
	224	groups = "cp5", "cp24", "cp25", "cp28";
	225	bias-disable;
	226	};
	227	};
4729bef9 DL	228
	229	bt_clock_bias: bt-clock-bias-groups {
	230	disable {
	231	groups = "cp2";
	232	bias-disable;
	233	};
	234	};
	235
	236	bt_pic_bias: bt-pic-bias-groups {
	237	disable {
	238	groups = "cp20";
	239	bias-disable;
	240	};
	241	};
4302a38e DL	242	};
	243
	244	/* Input port 1 */
	245	&serial1 {
	246	status = "okay";
	247	pinctrl-names = "default";
	248	pinctrl-0 = <&serial1_rxtx_pins>;
	249	};
	250
4729bef9 DL	251	&serial2 {
	252	pinctrl-names = "default";
	253	pinctrl-0 = <&serial2_rxtx_pins>, <&serial2_rtscts_pins>, <&bt_pic_bias>;
	254	status = "okay";
	255
	256	bluetooth {
	257	compatible = "ti,cc2560";
	258	clocks = <&bt_slow_clk>;
	259	clock-names = "ext_clock";
	260	enable-gpios = <&gpio 73 GPIO_ACTIVE_HIGH>;
	261	max-speed = <2000000>;
	262	nvmem-cells = <&bdaddr>;
	263	nvmem-cell-names = "bd-address";
	264	};
	265	};
	266
4302a38e DL	267	&rtc0 {
	268	status = "okay";
	269	};
	270
	271	&i2c0 {
	272	status = "okay";
	273	clock-frequency = <400000>;
	274	pinctrl-names = "default";
	275	pinctrl-0 = <&i2c0_pins>;
	276
	277	/*
	278	* EEPROM contains the first stage bootloader, HW ID and Bluetooth MAC.
	279	*/
	280	eeprom@50 {
95571b3b	281	compatible = "microchip,24c128", "atmel,24c128";
4302a38e DL	282	pagesize = <64>;
	283	read-only;
	284	reg = <0x50>;
4729bef9 DL	285	#address-cells = <1>;
	286	#size-cells = <1>;
	287
	288	bdaddr: bdaddr@3f06 {
	289	reg = <0x3f06 0x06>;
	290	};
4302a38e DL	291	};
	292	};
	293
	294	&wdt {
	295	status = "okay";
	296	};
	297
	298	&mmc0 {
	299	status = "okay";
	300	max-frequency = <50000000>;
	301	bus-width = <4>;
	302	cd-gpios = <&gpio 94 GPIO_ACTIVE_LOW>;
	303	pinctrl-names = "default";
d1f94959	304	pinctrl-0 = <&mmc0_pins>;
4302a38e DL	305	};
	306
	307	&spi0 {
	308	status = "okay";
	309	pinctrl-names = "default";
	310	pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>, <&spi0_cs3_pin>;
	311
	312	flash@0 {
	313	compatible = "n25q128a13", "jedec,spi-nor";
	314	reg = <0>;
	315	spi-max-frequency = <50000000>;
	316	ti,spi-wdelay = <8>;
	317
	318	/* Partitions are based on the official firmware from LEGO */
	319	partitions {
	320	compatible = "fixed-partitions";
	321	#address-cells = <1>;
	322	#size-cells = <1>;
	323
	324	partition@0 {
	325	label = "U-Boot";
	326	reg = <0 0x40000>;
	327	};
	328
	329	partition@40000 {
	330	label = "U-Boot Env";
	331	reg = <0x40000 0x10000>;
	332	};
	333
	334	partition@50000 {
	335	label = "Kernel";
	336	reg = <0x50000 0x200000>;
	337	};
	338
	339	partition@250000 {
	340	label = "Filesystem";
	341	reg = <0x250000 0xa50000>;
	342	};
	343
	344	partition@cb0000 {
	345	label = "Storage";
	346	reg = <0xcb0000 0x2f0000>;
	347	};
	348	};
	349	};
8a81ff17 DL	350
	351	adc: adc@3 {
	352	compatible = "ti,ads7957";
	353	reg = <3>;
	354	#io-channel-cells = <1>;
aea4762f DL	355	spi-max-frequency = <1000000>;
aea4762f DL	356	ti,spi-wdelay = <63>;
8a81ff17 DL	357	vref-supply = <&adc_ref>;
8a81ff17 DL	358	};
4302a38e DL	359	};
4302a38e DL	360
2798c4b7 DL	361	&spi1 {
	362	status = "okay";
	363	pinctrl-0 = <&ev3_lcd_pins>;
	364	pinctrl-names = "default";
	365	cs-gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
	366
	367	display@0{
	368	compatible = "lego,ev3-lcd";
	369	reg = <0>;
	370	spi-max-frequency = <10000000>;
	371	a0-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
	372	reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
	373	};
	374	};
	375
4729bef9 DL	376	&ecap2 {
	377	status = "okay";
	378	};
	379
7723d70b DL	380	&ehrpwm0 {
	381	status = "okay";
	382	};
	383
4302a38e DL	384	&gpio {
4302a38e DL	385	status = "okay";
b8a46eea DL	386
	387	/* Don't pull down battery voltage adc io channel */
	388	batt_volt_en {
	389	gpio-hog;
	390	gpios = <6 GPIO_ACTIVE_HIGH>;
c5a88cd2	391	output-high;
b8a46eea	392	};
4729bef9 DL	393
	394	/* Don't impede Bluetooth clock signal */
	395	bt_clock_en {
	396	gpio-hog;
	397	gpios = <5 GPIO_ACTIVE_HIGH>;
	398	input;
	399	};
	400
	401	/*
	402	* There is a PIC microcontroller for interfacing with an Apple MFi
	403	* chip. This interferes with normal Bluetooth operation, so we need
	404	* to make sure it is turned off. Note: The publicly available
	405	* schematics from LEGO don't show that these pins are connected to
	406	* anything, but they are present in the source code from LEGO.
	407	*/
	408
	409	bt_pic_en {
	410	gpio-hog;
	411	gpios = <51 GPIO_ACTIVE_HIGH>;
	412	output-low;
	413	};
	414
	415	bt_pic_rst {
	416	gpio-hog;
	417	gpios = <78 GPIO_ACTIVE_HIGH>;
	418	output-high;
	419	};
	420
	421	bt_pic_cts {
	422	gpio-hog;
	423	gpios = <87 GPIO_ACTIVE_HIGH>;
	424	input;
	425	};
4302a38e DL	426	};
	427
	428	&usb_phy {
	429	status = "okay";
	430	};
	431
	432	&usb0 {
	433	status = "okay";
	434	};
	435
	436	&usb1 {
	437	status = "okay";
	438	vbus-supply = <&vcc5v>;
	439	};