1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3#include "bcm2837.dtsi"
4#include "bcm2836-rpi.dtsi"
5#include "bcm283x-rpi-lan7515.dtsi"
6#include "bcm283x-rpi-usb-host.dtsi"
7#include "bcm283x-rpi-wifi-bt.dtsi"
8
9/ {
10	compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837";
11	model = "Raspberry Pi 3 Model B+";
12
13	chosen {
14		/* 8250 auxiliary UART instead of pl011 */
15		stdout-path = "serial1:115200n8";
16	};
17
18	memory@0 {
19		device_type = "memory";
20		reg = <0 0x40000000>;
21	};
22
23	leds {
24		led-act {
25			gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
26		};
27
28		led-pwr {
29			label = "PWR";
30			gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
31			default-state = "keep";
32			linux,default-trigger = "default-on";
33		};
34	};
35};
36
37&bt {
38	shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
39};
40
41&firmware {
42	expgpio: gpio {
43		compatible = "raspberrypi,firmware-gpio";
44		gpio-controller;
45		#gpio-cells = <2>;
46		gpio-line-names = "BT_ON",
47				  "WL_ON",
48				  "PWR_LED_R",
49				  "LAN_RUN",
50				  "",
51				  "CAM_GPIO0",
52				  "CAM_GPIO1",
53				  "";
54		status = "okay";
55	};
56};
57
58&gpio {
59	/*
60	 * Taken from rpi_SCH_3bplus_1p0_reduced.pdf and
61	 * the official GPU firmware DT blob.
62	 *
63	 * Legend:
64	 * "FOO" = GPIO line named "FOO" on the schematic
65	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
66	 */
67	gpio-line-names = "ID_SDA",
68			  "ID_SCL",
69			  "SDA1",
70			  "SCL1",
71			  "GPIO_GCLK",
72			  "GPIO5",
73			  "GPIO6",
74			  "SPI_CE1_N",
75			  "SPI_CE0_N",
76			  "SPI_MISO",
77			  "SPI_MOSI",
78			  "SPI_SCLK",
79			  "GPIO12",
80			  "GPIO13",
81			  /* Serial port */
82			  "TXD1",
83			  "RXD1",
84			  "GPIO16",
85			  "GPIO17",
86			  "GPIO18",
87			  "GPIO19",
88			  "GPIO20",
89			  "GPIO21",
90			  "GPIO22",
91			  "GPIO23",
92			  "GPIO24",
93			  "GPIO25",
94			  "GPIO26",
95			  "GPIO27",
96			  "HDMI_HPD_N",
97			  "STATUS_LED_G",
98			  /* Used by BT module */
99			  "CTS0",
100			  "RTS0",
101			  "TXD0",
102			  "RXD0",
103			  /* Used by Wifi */
104			  "SD1_CLK",
105			  "SD1_CMD",
106			  "SD1_DATA0",
107			  "SD1_DATA1",
108			  "SD1_DATA2",
109			  "SD1_DATA3",
110			  "PWM0_OUT",
111			  "PWM1_OUT",
112			  "ETH_CLK",
113			  "WIFI_CLK",
114			  "SDA0",
115			  "SCL0",
116			  "SMPS_SCL",
117			  "SMPS_SDA",
118			  /* Used by SD Card */
119			  "SD_CLK_R",
120			  "SD_CMD_R",
121			  "SD_DATA0_R",
122			  "SD_DATA1_R",
123			  "SD_DATA2_R",
124			  "SD_DATA3_R";
125};
126
127&hdmi {
128	hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
129	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
130	status = "okay";
131};
132
133&pwm {
134	pinctrl-names = "default";
135	pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
136	status = "okay";
137};
138
139/* SDHOST is used to drive the SD card */
140&sdhost {
141	pinctrl-names = "default";
142	pinctrl-0 = <&sdhost_gpio48>;
143	status = "okay";
144	bus-width = <4>;
145};
146
147/* uart0 communicates with the BT module */
148&uart0 {
149	pinctrl-names = "default";
150	pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>;
151};
152
153/* uart1 is mapped to the pin header */
154&uart1 {
155	pinctrl-names = "default";
156	pinctrl-0 = <&uart1_gpio14>;
157	status = "okay";
158};
159
160&wifi_pwrseq {
161	reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
162};
163