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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
8/ {
9 compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837";
10 model = "Raspberry Pi 3 Model B+";
11
12 chosen {
13 /* 8250 auxiliary UART instead of pl011 */
14 stdout-path = "serial1:115200n8";
15 };
16
17 memory@0 {
18 device_type = "memory";
19 reg = <0 0x40000000>;
20 };
21
22 leds {
23 led-act {
24 gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
25 };
26
27 led-pwr {
28 label = "PWR";
29 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
30 default-state = "keep";
31 linux,default-trigger = "default-on";
32 };
33 };
34
35 wifi_pwrseq: wifi-pwrseq {
36 compatible = "mmc-pwrseq-simple";
37 reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
38 };
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 "STATUS_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 * "NC" = not connected (no rail from the SoC)
65 * "FOO" = GPIO line named "FOO" on the schematic
66 * "FOO_N" = GPIO line named "FOO" on schematic, active low
67 */
68 gpio-line-names = "ID_SDA",
69 "ID_SCL",
70 "SDA1",
71 "SCL1",
72 "GPIO_GCLK",
73 "GPIO5",
74 "GPIO6",
75 "SPI_CE1_N",
76 "SPI_CE0_N",
77 "SPI_MISO",
78 "SPI_MOSI",
79 "SPI_SCLK",
80 "GPIO12",
81 "GPIO13",
82 /* Serial port */
83 "TXD1",
84 "RXD1",
85 "GPIO16",
86 "GPIO17",
87 "GPIO18",
88 "GPIO19",
89 "GPIO20",
90 "GPIO21",
91 "GPIO22",
92 "GPIO23",
93 "GPIO24",
94 "GPIO25",
95 "GPIO26",
96 "GPIO27",
97 "HDMI_HPD_N",
98 "STATUS_LED_G",
99 /* Used by BT module */
100 "CTS0",
101 "RTS0",
102 "TXD0",
103 "RXD0",
104 /* Used by Wifi */
105 "SD1_CLK",
106 "SD1_CMD",
107 "SD1_DATA0",
108 "SD1_DATA1",
109 "SD1_DATA2",
110 "SD1_DATA3",
111 "PWM0_OUT",
112 "PWM1_OUT",
113 "ETHCLK",
114 "WIFI_CLK",
115 "SDA0",
116 "SCL0",
117 "SMPS_SCL",
118 "SMPS_SDA",
119 /* Used by SD Card */
120 "SD_CLK_R",
121 "SD_CMD_R",
122 "SD_DATA0_R",
123 "SD_DATA1_R",
124 "SD_DATA2_R",
125 "SD_DATA3_R";
126};
127
128&hdmi {
129 hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
130 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
131 status = "okay";
132};
133
134&pwm {
135 pinctrl-names = "default";
136 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
137 status = "okay";
138};
139
140/* SDHCI is used to control the SDIO for wireless */
141&sdhci {
142 #address-cells = <1>;
143 #size-cells = <0>;
144 pinctrl-names = "default";
145 pinctrl-0 = <&emmc_gpio34>;
146 status = "okay";
147 bus-width = <4>;
148 non-removable;
149 mmc-pwrseq = <&wifi_pwrseq>;
150
151 brcmf: wifi@1 {
152 reg = <1>;
153 compatible = "brcm,bcm4329-fmac";
154 };
155};
156
157/* SDHOST is used to drive the SD card */
158&sdhost {
159 pinctrl-names = "default";
160 pinctrl-0 = <&sdhost_gpio48>;
161 status = "okay";
162 bus-width = <4>;
163};
164
165/* uart0 communicates with the BT module */
166&uart0 {
167 pinctrl-names = "default";
168 pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>;
169 status = "okay";
170
171 bluetooth {
172 compatible = "brcm,bcm43438-bt";
173 max-speed = <2000000>;
174 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
175 };
176};
177
178/* uart1 is mapped to the pin header */
179&uart1 {
180 pinctrl-names = "default";
181 pinctrl-0 = <&uart1_gpio14>;
182 status = "okay";
183};
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-led-deprecated.dtsi"
7#include "bcm283x-rpi-usb-host.dtsi"
8#include "bcm283x-rpi-wifi-bt.dtsi"
9
10/ {
11 compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837";
12 model = "Raspberry Pi 3 Model B+";
13
14 chosen {
15 /* 8250 auxiliary UART instead of pl011 */
16 stdout-path = "serial1:115200n8";
17 };
18
19 memory@0 {
20 device_type = "memory";
21 reg = <0 0x40000000>;
22 };
23};
24
25&bt {
26 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
27};
28
29&firmware {
30 expgpio: gpio {
31 compatible = "raspberrypi,firmware-gpio";
32 gpio-controller;
33 #gpio-cells = <2>;
34 gpio-line-names = "BT_ON",
35 "WL_ON",
36 "PWR_LED_R",
37 "LAN_RUN",
38 "",
39 "CAM_GPIO0",
40 "CAM_GPIO1",
41 "";
42 status = "okay";
43 };
44};
45
46&gpio {
47 /*
48 * Taken from rpi_SCH_3bplus_1p0_reduced.pdf and
49 * the official GPU firmware DT blob.
50 *
51 * Legend:
52 * "FOO" = GPIO line named "FOO" on the schematic
53 * "FOO_N" = GPIO line named "FOO" on schematic, active low
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 "HDMI_HPD_N",
85 "STATUS_LED_G",
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&hdmi {
116 hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
117 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
118 status = "okay";
119};
120
121&led_act {
122 gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
123};
124
125&leds {
126 led-pwr {
127 label = "PWR";
128 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
129 default-state = "keep";
130 linux,default-trigger = "default-on";
131 };
132};
133
134&pwm {
135 pinctrl-names = "default";
136 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
137 status = "okay";
138};
139
140/* SDHOST is used to drive the SD card */
141&sdhost {
142 pinctrl-names = "default";
143 pinctrl-0 = <&sdhost_gpio48>;
144 status = "okay";
145 bus-width = <4>;
146};
147
148/* uart0 communicates with the BT module */
149&uart0 {
150 pinctrl-names = "default";
151 pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>;
152};
153
154/* uart1 is mapped to the pin header */
155&uart1 {
156 pinctrl-names = "default";
157 pinctrl-0 = <&uart1_gpio14>;
158 status = "okay";
159};
160
161&wifi_pwrseq {
162 reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
163};