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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-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", "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 "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.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 "", /* 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_LOW>;
123 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
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_gpio43>;
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_LOW>;
154};
1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3#include "bcm2837.dtsi"
4#include "bcm2836-rpi.dtsi"
5#include "bcm283x-rpi-smsc9514.dtsi"
6#include "bcm283x-rpi-usb-host.dtsi"
7
8/ {
9 compatible = "raspberrypi,3-model-b", "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 act {
24 gpios = <&expgpio 2 GPIO_ACTIVE_HIGH>;
25 };
26 };
27
28 wifi_pwrseq: wifi-pwrseq {
29 compatible = "mmc-pwrseq-simple";
30 reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
31 };
32};
33
34&firmware {
35 expgpio: gpio {
36 compatible = "raspberrypi,firmware-gpio";
37 gpio-controller;
38 #gpio-cells = <2>;
39 gpio-line-names = "BT_ON",
40 "WL_ON",
41 "STATUS_LED",
42 "LAN_RUN",
43 "HDMI_HPD_N",
44 "CAM_GPIO0",
45 "CAM_GPIO1",
46 "PWR_LOW_N";
47 status = "okay";
48 };
49};
50
51&gpio {
52 /*
53 * Taken from rpi_SCH_3b_1p2_reduced.pdf and
54 * the official GPU firmware DT blob.
55 *
56 * Legend:
57 * "NC" = not connected (no rail from the SoC)
58 * "FOO" = GPIO line named "FOO" on the schematic
59 * "FOO_N" = GPIO line named "FOO" on schematic, active low
60 */
61 gpio-line-names = "ID_SDA",
62 "ID_SCL",
63 "SDA1",
64 "SCL1",
65 "GPIO_GCLK",
66 "GPIO5",
67 "GPIO6",
68 "SPI_CE1_N",
69 "SPI_CE0_N",
70 "SPI_MISO",
71 "SPI_MOSI",
72 "SPI_SCLK",
73 "GPIO12",
74 "GPIO13",
75 /* Serial port */
76 "TXD1",
77 "RXD1",
78 "GPIO16",
79 "GPIO17",
80 "GPIO18",
81 "GPIO19",
82 "GPIO20",
83 "GPIO21",
84 "GPIO22",
85 "GPIO23",
86 "GPIO24",
87 "GPIO25",
88 "GPIO26",
89 "GPIO27",
90 "", /* GPIO 28 */
91 "LAN_RUN_BOOT",
92 /* Used by BT module */
93 "CTS0",
94 "RTS0",
95 "TXD0",
96 "RXD0",
97 /* Used by Wifi */
98 "SD1_CLK",
99 "SD1_CMD",
100 "SD1_DATA0",
101 "SD1_DATA1",
102 "SD1_DATA2",
103 "SD1_DATA3",
104 "PWM0_OUT",
105 "PWM1_OUT",
106 "ETHCLK",
107 "WIFI_CLK",
108 "SDA0",
109 "SCL0",
110 "SMPS_SCL",
111 "SMPS_SDA",
112 /* Used by SD Card */
113 "SD_CLK_R",
114 "SD_CMD_R",
115 "SD_DATA0_R",
116 "SD_DATA1_R",
117 "SD_DATA2_R",
118 "SD_DATA3_R";
119};
120
121&pwm {
122 pinctrl-names = "default";
123 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
124 status = "okay";
125};
126
127&hdmi {
128 hpd-gpios = <&expgpio 4 GPIO_ACTIVE_LOW>;
129 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
130 status = "okay";
131};
132
133/* uart0 communicates with the BT module */
134&uart0 {
135 pinctrl-names = "default";
136 pinctrl-0 = <&uart0_gpio32 &gpclk2_gpio43>;
137 status = "okay";
138
139 bluetooth {
140 compatible = "brcm,bcm43438-bt";
141 max-speed = <2000000>;
142 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
143 };
144};
145
146/* uart1 is mapped to the pin header */
147&uart1 {
148 pinctrl-names = "default";
149 pinctrl-0 = <&uart1_gpio14>;
150 status = "okay";
151};
152
153/* SDHCI is used to control the SDIO for wireless */
154&sdhci {
155 #address-cells = <1>;
156 #size-cells = <0>;
157 pinctrl-names = "default";
158 pinctrl-0 = <&emmc_gpio34>;
159 status = "okay";
160 bus-width = <4>;
161 non-removable;
162 mmc-pwrseq = <&wifi_pwrseq>;
163
164 brcmf: wifi@1 {
165 reg = <1>;
166 compatible = "brcm,bcm4329-fmac";
167 };
168};
169
170/* SDHOST is used to drive the SD card */
171&sdhost {
172 pinctrl-names = "default";
173 pinctrl-0 = <&sdhost_gpio48>;
174 status = "okay";
175 bus-width = <4>;
176};