xref: /linux/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts (revision d990221ba5490046d291667c75c0db61afb370d9) 
1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3#include "bcm2711.dtsi"
4#include "bcm2711-rpi.dtsi"
5#include "bcm283x-rpi-led-deprecated.dtsi"
6#include "bcm283x-rpi-usb-peripheral.dtsi"
7#include "bcm283x-rpi-wifi-bt.dtsi"
8
9/ {
10	compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
11	model = "Raspberry Pi 4 Model B";
12
13	chosen {
14		/* 8250 auxiliary UART instead of pl011 */
15		stdout-path = "serial1:115200n8";
16	};
17
18	cam1_reg: regulator-cam1 {
19		compatible = "regulator-fixed";
20		regulator-name = "cam1-reg";
21		enable-active-high;
22		gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
23	};
24
25	sd_io_1v8_reg: regulator-sd-io-1v8 {
26		compatible = "regulator-gpio";
27		regulator-name = "vdd-sd-io";
28		regulator-min-microvolt = <1800000>;
29		regulator-max-microvolt = <3300000>;
30		regulator-boot-on;
31		regulator-always-on;
32		regulator-settling-time-us = <5000>;
33		gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
34		states = <1800000 0x1>,
35			 <3300000 0x0>;
36		status = "okay";
37	};
38
39	sd_vcc_reg: regulator-sd-vcc {
40		compatible = "regulator-fixed";
41		regulator-name = "vcc-sd";
42		regulator-min-microvolt = <3300000>;
43		regulator-max-microvolt = <3300000>;
44		regulator-boot-on;
45		enable-active-high;
46		gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
47	};
48};
49
50&bt {
51	shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
52};
53
54&ddc0 {
55	status = "okay";
56};
57
58&ddc1 {
59	status = "okay";
60};
61
62&expgpio {
63	gpio-line-names = "BT_ON",		/*  0 */
64			  "WL_ON",
65			  "PWR_LED_OFF",
66			  "GLOBAL_RESET",
67			  "VDD_SD_IO_SEL",
68			  "CAM_GPIO",		/*  5 */
69			  "SD_PWR_ON",
70			  "";
71};
72
73&gpio {
74	/*
75	 * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
76	 * the official GPU firmware DT blob.
77	 *
78	 * Legend:
79	 * "FOO" = GPIO line named "FOO" on the schematic
80	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
81	 */
82	gpio-line-names = "ID_SDA",		/*  0 */
83			  "ID_SCL",
84			  "SDA1",
85			  "SCL1",
86			  "GPIO_GCLK",
87			  "GPIO5",		/*  5 */
88			  "GPIO6",
89			  "SPI_CE1_N",
90			  "SPI_CE0_N",
91			  "SPI_MISO",
92			  "SPI_MOSI",		/* 10 */
93			  "SPI_SCLK",
94			  "GPIO12",
95			  "GPIO13",
96			  /* Serial port */
97			  "TXD1",
98			  "RXD1",		/* 15 */
99			  "GPIO16",
100			  "GPIO17",
101			  "GPIO18",
102			  "GPIO19",
103			  "GPIO20",		/* 20 */
104			  "GPIO21",
105			  "GPIO22",
106			  "GPIO23",
107			  "GPIO24",
108			  "GPIO25",		/* 25 */
109			  "GPIO26",
110			  "GPIO27",
111			  "RGMII_MDIO",
112			  "RGMIO_MDC",
113			  /* Used by BT module */
114			  "CTS0",		/* 30 */
115			  "RTS0",
116			  "TXD0",
117			  "RXD0",
118			  /* Used by Wifi */
119			  "SD1_CLK",
120			  "SD1_CMD",		/* 35 */
121			  "SD1_DATA0",
122			  "SD1_DATA1",
123			  "SD1_DATA2",
124			  "SD1_DATA3",
125			  /* Shared with SPI flash */
126			  "PWM0_MISO",		/* 40 */
127			  "PWM1_MOSI",
128			  "STATUS_LED_G_CLK",
129			  "SPIFLASH_CE_N",
130			  "SDA0",
131			  "SCL0",		/* 45 */
132			  "RGMII_RXCLK",
133			  "RGMII_RXCTL",
134			  "RGMII_RXD0",
135			  "RGMII_RXD1",
136			  "RGMII_RXD2",		/* 50 */
137			  "RGMII_RXD3",
138			  "RGMII_TXCLK",
139			  "RGMII_TXCTL",
140			  "RGMII_TXD0",
141			  "RGMII_TXD1",		/* 55 */
142			  "RGMII_TXD2",
143			  "RGMII_TXD3";
144};
145
146&hdmi0 {
147	status = "okay";
148};
149
150&hdmi1 {
151	status = "okay";
152};
153
154&led_act {
155	gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
156};
157
158&leds {
159	led_pwr: led-pwr {
160		label = "PWR";
161		gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
162		default-state = "keep";
163		linux,default-trigger = "default-on";
164	};
165};
166
167&pixelvalve0 {
168	status = "okay";
169};
170
171&pixelvalve1 {
172	status = "okay";
173};
174
175&pixelvalve2 {
176	status = "okay";
177};
178
179&pixelvalve4 {
180	status = "okay";
181};
182
183&pwm1 {
184	pinctrl-names = "default";
185	pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
186	status = "okay";
187};
188
189/* EMMC2 is used to drive the SD card */
190&emmc2 {
191	vqmmc-supply = <&sd_io_1v8_reg>;
192	vmmc-supply = <&sd_vcc_reg>;
193	broken-cd;
194	status = "okay";
195};
196
197&genet {
198	phy-handle = <&phy1>;
199	phy-mode = "rgmii-rxid";
200	status = "okay";
201};
202
203&genet_mdio {
204	phy1: ethernet-phy@1 {
205		/* No PHY interrupt */
206		reg = <0x1>;
207	};
208};
209
210&pcie0 {
211	pci@0,0 {
212		device_type = "pci";
213		#address-cells = <3>;
214		#size-cells = <2>;
215		ranges;
216
217		reg = <0 0 0 0 0>;
218
219		usb@0,0 {
220			reg = <0 0 0 0 0>;
221			resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
222		};
223	};
224};
225
226/* uart0 communicates with the BT module */
227&uart0 {
228	pinctrl-names = "default";
229	pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
230	uart-has-rtscts;
231};
232
233/* uart1 is mapped to the pin header */
234&uart1 {
235	pinctrl-names = "default";
236	pinctrl-0 = <&uart1_gpio14>;
237	status = "okay";
238};
239
240&vc4 {
241	status = "okay";
242};
243
244&vec {
245	status = "disabled";
246};
247
248&wifi_pwrseq {
249	reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
250};
251