1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "bcm2837.dtsi"
4 #include "bcm2836-rpi.dtsi"
5 #include "bcm283x-rpi-led-deprecated.dtsi"
6 #include "bcm283x-rpi-smsc9514.dtsi"
7 #include "bcm283x-rpi-usb-host.dtsi"
8 #include "bcm283x-rpi-wifi-bt.dtsi"
9
10 / {
11 compatible = "raspberrypi,3-model-b",
12 model = "Raspberry Pi 3 Model B";
13
14 chosen {
15 /* 8250 auxiliary UART instead
16 stdout-path = "serial1:115200n
17 };
18
19 memory@0 {
20 device_type = "memory";
21 reg = <0 0x40000000>;
22 };
23 };
24
25 &bt {
26 shutdown-gpios = <&expgpio 0 GPIO_ACTI
27 };
28
29 &firmware {
30 expgpio: gpio {
31 compatible = "raspberrypi,firm
32 gpio-controller;
33 #gpio-cells = <2>;
34 gpio-line-names = "BT_ON",
35 "WL_ON",
36 "STATUS_LED"
37 "LAN_RUN",
38 "HDMI_HPD_N"
39 "CAM_GPIO0",
40 "CAM_GPIO1",
41 "PWR_LOW_N";
42 status = "okay";
43 };
44 };
45
46 &gpio {
47 /*
48 * Taken from rpi_SCH_3b_1p2_reduced.p
49 * the official GPU firmware DT blob.
50 *
51 * Legend:
52 * "FOO" = GPIO line named "FOO" on th
53 * "FOO_N" = GPIO line named "FOO" on
54 */
55 gpio-line-names = "ID_SDA",
56 "ID_SCL",
57 "SDA1",
58 "SCL1",
59 "GPIO_GCLK",
60 "GPIO5",
61 "GPIO6",
62 "SPI_CE1_N",
63 "SPI_CE0_N",
64 "SPI_MISO",
65 "SPI_MOSI",
66 "SPI_SCLK",
67 "GPIO12",
68 "GPIO13",
69 /* Serial port */
70 "TXD1",
71 "RXD1",
72 "GPIO16",
73 "GPIO17",
74 "GPIO18",
75 "GPIO19",
76 "GPIO20",
77 "GPIO21",
78 "GPIO22",
79 "GPIO23",
80 "GPIO24",
81 "GPIO25",
82 "GPIO26",
83 "GPIO27",
84 "", /* GPIO 28 */
85 "LAN_RUN_BOOT",
86 /* Used by BT module
87 "CTS0",
88 "RTS0",
89 "TXD0",
90 "RXD0",
91 /* Used by Wifi */
92 "SD1_CLK",
93 "SD1_CMD",
94 "SD1_DATA0",
95 "SD1_DATA1",
96 "SD1_DATA2",
97 "SD1_DATA3",
98 "PWM0_OUT",
99 "PWM1_OUT",
100 "ETH_CLK",
101 "WIFI_CLK",
102 "SDA0",
103 "SCL0",
104 "SMPS_SCL",
105 "SMPS_SDA",
106 /* Used by SD Card *
107 "SD_CLK_R",
108 "SD_CMD_R",
109 "SD_DATA0_R",
110 "SD_DATA1_R",
111 "SD_DATA2_R",
112 "SD_DATA3_R";
113 };
114
115 &pwm {
116 pinctrl-names = "default";
117 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41
118 status = "okay";
119 };
120
121 &hdmi {
122 hpd-gpios = <&expgpio 4 GPIO_ACTIVE_LO
123 power-domains = <&power RPI_POWER_DOMA
124 status = "okay";
125 };
126
127 &led_act {
128 gpios = <&expgpio 2 GPIO_ACTIVE_HIGH>;
129 };
130
131 /* uart0 communicates with the BT module */
132 &uart0 {
133 pinctrl-names = "default";
134 pinctrl-0 = <&uart0_gpio32 &gpclk2_gpi
135 };
136
137 /* uart1 is mapped to the pin header */
138 &uart1 {
139 pinctrl-names = "default";
140 pinctrl-0 = <&uart1_gpio14>;
141 status = "okay";
142 };
143
144 /* SDHOST is used to drive the SD card */
145 &sdhost {
146 pinctrl-names = "default";
147 pinctrl-0 = <&sdhost_gpio48>;
148 status = "okay";
149 bus-width = <4>;
150 };
151
152 &wifi_pwrseq {
153 reset-gpios = <&expgpio 1 GPIO_ACTIVE_
154 };
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