1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/; 2 /dts-v1/;
3 #include "bcm2837.dtsi" 3 #include "bcm2837.dtsi"
4 #include "bcm2836-rpi.dtsi" 4 #include "bcm2836-rpi.dtsi"
5 #include "bcm283x-rpi-led-deprecated.dtsi" 5 #include "bcm283x-rpi-led-deprecated.dtsi"
6 #include "bcm283x-rpi-smsc9514.dtsi" 6 #include "bcm283x-rpi-smsc9514.dtsi"
7 #include "bcm283x-rpi-usb-host.dtsi" 7 #include "bcm283x-rpi-usb-host.dtsi"
8 #include "bcm283x-rpi-wifi-bt.dtsi" 8 #include "bcm283x-rpi-wifi-bt.dtsi"
9 9
10 / { 10 / {
11 compatible = "raspberrypi,3-model-b", 11 compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
12 model = "Raspberry Pi 3 Model B"; 12 model = "Raspberry Pi 3 Model B";
13 13
14 chosen { 14 chosen {
15 /* 8250 auxiliary UART instead 15 /* 8250 auxiliary UART instead of pl011 */
16 stdout-path = "serial1:115200n 16 stdout-path = "serial1:115200n8";
17 }; 17 };
18 18
19 memory@0 { 19 memory@0 {
20 device_type = "memory"; 20 device_type = "memory";
21 reg = <0 0x40000000>; 21 reg = <0 0x40000000>;
22 }; 22 };
23 }; 23 };
24 24
25 &bt { 25 &bt {
26 shutdown-gpios = <&expgpio 0 GPIO_ACTI 26 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
27 }; 27 };
28 28
29 &firmware { 29 &firmware {
30 expgpio: gpio { 30 expgpio: gpio {
31 compatible = "raspberrypi,firm 31 compatible = "raspberrypi,firmware-gpio";
32 gpio-controller; 32 gpio-controller;
33 #gpio-cells = <2>; 33 #gpio-cells = <2>;
34 gpio-line-names = "BT_ON", 34 gpio-line-names = "BT_ON",
35 "WL_ON", 35 "WL_ON",
36 "STATUS_LED" 36 "STATUS_LED",
37 "LAN_RUN", 37 "LAN_RUN",
38 "HDMI_HPD_N" 38 "HDMI_HPD_N",
39 "CAM_GPIO0", 39 "CAM_GPIO0",
40 "CAM_GPIO1", 40 "CAM_GPIO1",
41 "PWR_LOW_N"; 41 "PWR_LOW_N";
42 status = "okay"; 42 status = "okay";
43 }; 43 };
44 }; 44 };
45 45
46 &gpio { 46 &gpio {
47 /* 47 /*
48 * Taken from rpi_SCH_3b_1p2_reduced.p 48 * Taken from rpi_SCH_3b_1p2_reduced.pdf and
49 * the official GPU firmware DT blob. 49 * the official GPU firmware DT blob.
50 * 50 *
51 * Legend: 51 * Legend:
52 * "FOO" = GPIO line named "FOO" on th 52 * "FOO" = GPIO line named "FOO" on the schematic
53 * "FOO_N" = GPIO line named "FOO" on 53 * "FOO_N" = GPIO line named "FOO" on schematic, active low
54 */ 54 */
55 gpio-line-names = "ID_SDA", 55 gpio-line-names = "ID_SDA",
56 "ID_SCL", 56 "ID_SCL",
57 "SDA1", 57 "SDA1",
58 "SCL1", 58 "SCL1",
59 "GPIO_GCLK", 59 "GPIO_GCLK",
60 "GPIO5", 60 "GPIO5",
61 "GPIO6", 61 "GPIO6",
62 "SPI_CE1_N", 62 "SPI_CE1_N",
63 "SPI_CE0_N", 63 "SPI_CE0_N",
64 "SPI_MISO", 64 "SPI_MISO",
65 "SPI_MOSI", 65 "SPI_MOSI",
66 "SPI_SCLK", 66 "SPI_SCLK",
67 "GPIO12", 67 "GPIO12",
68 "GPIO13", 68 "GPIO13",
69 /* Serial port */ 69 /* Serial port */
70 "TXD1", 70 "TXD1",
71 "RXD1", 71 "RXD1",
72 "GPIO16", 72 "GPIO16",
73 "GPIO17", 73 "GPIO17",
74 "GPIO18", 74 "GPIO18",
75 "GPIO19", 75 "GPIO19",
76 "GPIO20", 76 "GPIO20",
77 "GPIO21", 77 "GPIO21",
78 "GPIO22", 78 "GPIO22",
79 "GPIO23", 79 "GPIO23",
80 "GPIO24", 80 "GPIO24",
81 "GPIO25", 81 "GPIO25",
82 "GPIO26", 82 "GPIO26",
83 "GPIO27", 83 "GPIO27",
84 "", /* GPIO 28 */ 84 "", /* GPIO 28 */
85 "LAN_RUN_BOOT", 85 "LAN_RUN_BOOT",
86 /* Used by BT module 86 /* Used by BT module */
87 "CTS0", 87 "CTS0",
88 "RTS0", 88 "RTS0",
89 "TXD0", 89 "TXD0",
90 "RXD0", 90 "RXD0",
91 /* Used by Wifi */ 91 /* Used by Wifi */
92 "SD1_CLK", 92 "SD1_CLK",
93 "SD1_CMD", 93 "SD1_CMD",
94 "SD1_DATA0", 94 "SD1_DATA0",
95 "SD1_DATA1", 95 "SD1_DATA1",
96 "SD1_DATA2", 96 "SD1_DATA2",
97 "SD1_DATA3", 97 "SD1_DATA3",
98 "PWM0_OUT", 98 "PWM0_OUT",
99 "PWM1_OUT", 99 "PWM1_OUT",
100 "ETH_CLK", 100 "ETH_CLK",
101 "WIFI_CLK", 101 "WIFI_CLK",
102 "SDA0", 102 "SDA0",
103 "SCL0", 103 "SCL0",
104 "SMPS_SCL", 104 "SMPS_SCL",
105 "SMPS_SDA", 105 "SMPS_SDA",
106 /* Used by SD Card * 106 /* Used by SD Card */
107 "SD_CLK_R", 107 "SD_CLK_R",
108 "SD_CMD_R", 108 "SD_CMD_R",
109 "SD_DATA0_R", 109 "SD_DATA0_R",
110 "SD_DATA1_R", 110 "SD_DATA1_R",
111 "SD_DATA2_R", 111 "SD_DATA2_R",
112 "SD_DATA3_R"; 112 "SD_DATA3_R";
113 }; 113 };
114 114
115 &pwm { 115 &pwm {
116 pinctrl-names = "default"; 116 pinctrl-names = "default";
117 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41 117 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
118 status = "okay"; 118 status = "okay";
119 }; 119 };
120 120
121 &hdmi { 121 &hdmi {
122 hpd-gpios = <&expgpio 4 GPIO_ACTIVE_LO 122 hpd-gpios = <&expgpio 4 GPIO_ACTIVE_LOW>;
123 power-domains = <&power RPI_POWER_DOMA 123 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
124 status = "okay"; 124 status = "okay";
125 }; 125 };
126 126
127 &led_act { 127 &led_act {
128 gpios = <&expgpio 2 GPIO_ACTIVE_HIGH>; 128 gpios = <&expgpio 2 GPIO_ACTIVE_HIGH>;
129 }; 129 };
130 130
131 /* uart0 communicates with the BT module */ 131 /* uart0 communicates with the BT module */
132 &uart0 { 132 &uart0 {
133 pinctrl-names = "default"; 133 pinctrl-names = "default";
134 pinctrl-0 = <&uart0_gpio32 &gpclk2_gpi 134 pinctrl-0 = <&uart0_gpio32 &gpclk2_gpio43>;
135 }; 135 };
136 136
137 /* uart1 is mapped to the pin header */ 137 /* uart1 is mapped to the pin header */
138 &uart1 { 138 &uart1 {
139 pinctrl-names = "default"; 139 pinctrl-names = "default";
140 pinctrl-0 = <&uart1_gpio14>; 140 pinctrl-0 = <&uart1_gpio14>;
141 status = "okay"; 141 status = "okay";
142 }; 142 };
143 143
144 /* SDHOST is used to drive the SD card */ 144 /* SDHOST is used to drive the SD card */
145 &sdhost { 145 &sdhost {
146 pinctrl-names = "default"; 146 pinctrl-names = "default";
147 pinctrl-0 = <&sdhost_gpio48>; 147 pinctrl-0 = <&sdhost_gpio48>;
148 status = "okay"; 148 status = "okay";
149 bus-width = <4>; 149 bus-width = <4>;
150 }; 150 };
151 151
152 &wifi_pwrseq { 152 &wifi_pwrseq {
153 reset-gpios = <&expgpio 1 GPIO_ACTIVE_ 153 reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
154 }; 154 };
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