1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/; 2 /dts-v1/;
3 #include "bcm2711.dtsi" 3 #include "bcm2711.dtsi"
4 #include "bcm2711-rpi.dtsi" 4 #include "bcm2711-rpi.dtsi"
5 #include "bcm283x-rpi-led-deprecated.dtsi" 5 #include "bcm283x-rpi-led-deprecated.dtsi"
6 #include "bcm283x-rpi-usb-peripheral.dtsi" 6 #include "bcm283x-rpi-usb-peripheral.dtsi"
7 #include "bcm283x-rpi-wifi-bt.dtsi" 7 #include "bcm283x-rpi-wifi-bt.dtsi"
8 #include <dt-bindings/leds/common.h> 8 #include <dt-bindings/leds/common.h>
9 9
10 / { 10 / {
11 compatible = "raspberrypi,4-model-b", 11 compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
12 model = "Raspberry Pi 4 Model B"; 12 model = "Raspberry Pi 4 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 cam1_reg: regulator-cam1 { 19 cam1_reg: regulator-cam1 {
20 compatible = "regulator-fixed" 20 compatible = "regulator-fixed";
21 regulator-name = "cam1-reg"; 21 regulator-name = "cam1-reg";
22 enable-active-high; 22 enable-active-high;
23 gpio = <&expgpio 5 GPIO_ACTIVE 23 gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
24 }; 24 };
25 25
26 sd_io_1v8_reg: regulator-sd-io-1v8 { 26 sd_io_1v8_reg: regulator-sd-io-1v8 {
27 compatible = "regulator-gpio"; 27 compatible = "regulator-gpio";
28 regulator-name = "vdd-sd-io"; 28 regulator-name = "vdd-sd-io";
29 regulator-min-microvolt = <180 29 regulator-min-microvolt = <1800000>;
30 regulator-max-microvolt = <330 30 regulator-max-microvolt = <3300000>;
31 regulator-boot-on; 31 regulator-boot-on;
32 regulator-always-on; 32 regulator-always-on;
33 regulator-settling-time-us = < 33 regulator-settling-time-us = <5000>;
34 gpios = <&expgpio 4 GPIO_ACTIV 34 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
35 states = <1800000 0x1>, 35 states = <1800000 0x1>,
36 <3300000 0x0>; 36 <3300000 0x0>;
37 status = "okay"; 37 status = "okay";
38 }; 38 };
39 39
40 sd_vcc_reg: regulator-sd-vcc { 40 sd_vcc_reg: regulator-sd-vcc {
41 compatible = "regulator-fixed" 41 compatible = "regulator-fixed";
42 regulator-name = "vcc-sd"; 42 regulator-name = "vcc-sd";
43 regulator-min-microvolt = <330 43 regulator-min-microvolt = <3300000>;
44 regulator-max-microvolt = <330 44 regulator-max-microvolt = <3300000>;
45 regulator-boot-on; 45 regulator-boot-on;
46 enable-active-high; 46 enable-active-high;
47 gpio = <&expgpio 6 GPIO_ACTIVE 47 gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
48 }; 48 };
49 }; 49 };
50 50
51 &bt { 51 &bt {
52 shutdown-gpios = <&expgpio 0 GPIO_ACTI 52 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
53 }; 53 };
54 54
55 &ddc0 { 55 &ddc0 {
56 status = "okay"; 56 status = "okay";
57 }; 57 };
58 58
59 &ddc1 { 59 &ddc1 {
60 status = "okay"; 60 status = "okay";
61 }; 61 };
62 62
63 &expgpio { 63 &expgpio {
64 gpio-line-names = "BT_ON", 64 gpio-line-names = "BT_ON", /* 0 */
65 "WL_ON", 65 "WL_ON",
66 "PWR_LED_OFF", 66 "PWR_LED_OFF",
67 "GLOBAL_RESET", 67 "GLOBAL_RESET",
68 "VDD_SD_IO_SEL", 68 "VDD_SD_IO_SEL",
69 "CAM_GPIO", 69 "CAM_GPIO", /* 5 */
70 "SD_PWR_ON", 70 "SD_PWR_ON",
71 ""; 71 "";
72 }; 72 };
73 73
74 &gpio { 74 &gpio {
75 /* 75 /*
76 * Parts taken from rpi_SCH_4b_4p0_red 76 * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
77 * the official GPU firmware DT blob. 77 * the official GPU firmware DT blob.
78 * 78 *
79 * Legend: 79 * Legend:
80 * "FOO" = GPIO line named "FOO" on th 80 * "FOO" = GPIO line named "FOO" on the schematic
81 * "FOO_N" = GPIO line named "FOO" on 81 * "FOO_N" = GPIO line named "FOO" on schematic, active low
82 */ 82 */
83 gpio-line-names = "ID_SDA", 83 gpio-line-names = "ID_SDA", /* 0 */
84 "ID_SCL", 84 "ID_SCL",
85 "SDA1", 85 "SDA1",
86 "SCL1", 86 "SCL1",
87 "GPIO_GCLK", 87 "GPIO_GCLK",
88 "GPIO5", 88 "GPIO5", /* 5 */
89 "GPIO6", 89 "GPIO6",
90 "SPI_CE1_N", 90 "SPI_CE1_N",
91 "SPI_CE0_N", 91 "SPI_CE0_N",
92 "SPI_MISO", 92 "SPI_MISO",
93 "SPI_MOSI", 93 "SPI_MOSI", /* 10 */
94 "SPI_SCLK", 94 "SPI_SCLK",
95 "GPIO12", 95 "GPIO12",
96 "GPIO13", 96 "GPIO13",
97 /* Serial port */ 97 /* Serial port */
98 "TXD1", 98 "TXD1",
99 "RXD1", 99 "RXD1", /* 15 */
100 "GPIO16", 100 "GPIO16",
101 "GPIO17", 101 "GPIO17",
102 "GPIO18", 102 "GPIO18",
103 "GPIO19", 103 "GPIO19",
104 "GPIO20", 104 "GPIO20", /* 20 */
105 "GPIO21", 105 "GPIO21",
106 "GPIO22", 106 "GPIO22",
107 "GPIO23", 107 "GPIO23",
108 "GPIO24", 108 "GPIO24",
109 "GPIO25", 109 "GPIO25", /* 25 */
110 "GPIO26", 110 "GPIO26",
111 "GPIO27", 111 "GPIO27",
112 "RGMII_MDIO", 112 "RGMII_MDIO",
113 "RGMIO_MDC", 113 "RGMIO_MDC",
114 /* Used by BT module 114 /* Used by BT module */
115 "CTS0", 115 "CTS0", /* 30 */
116 "RTS0", 116 "RTS0",
117 "TXD0", 117 "TXD0",
118 "RXD0", 118 "RXD0",
119 /* Used by Wifi */ 119 /* Used by Wifi */
120 "SD1_CLK", 120 "SD1_CLK",
121 "SD1_CMD", 121 "SD1_CMD", /* 35 */
122 "SD1_DATA0", 122 "SD1_DATA0",
123 "SD1_DATA1", 123 "SD1_DATA1",
124 "SD1_DATA2", 124 "SD1_DATA2",
125 "SD1_DATA3", 125 "SD1_DATA3",
126 /* Shared with SPI f 126 /* Shared with SPI flash */
127 "PWM0_MISO", 127 "PWM0_MISO", /* 40 */
128 "PWM1_MOSI", 128 "PWM1_MOSI",
129 "STATUS_LED_G_CLK", 129 "STATUS_LED_G_CLK",
130 "SPIFLASH_CE_N", 130 "SPIFLASH_CE_N",
131 "SDA0", 131 "SDA0",
132 "SCL0", 132 "SCL0", /* 45 */
133 "RGMII_RXCLK", 133 "RGMII_RXCLK",
134 "RGMII_RXCTL", 134 "RGMII_RXCTL",
135 "RGMII_RXD0", 135 "RGMII_RXD0",
136 "RGMII_RXD1", 136 "RGMII_RXD1",
137 "RGMII_RXD2", 137 "RGMII_RXD2", /* 50 */
138 "RGMII_RXD3", 138 "RGMII_RXD3",
139 "RGMII_TXCLK", 139 "RGMII_TXCLK",
140 "RGMII_TXCTL", 140 "RGMII_TXCTL",
141 "RGMII_TXD0", 141 "RGMII_TXD0",
142 "RGMII_TXD1", 142 "RGMII_TXD1", /* 55 */
143 "RGMII_TXD2", 143 "RGMII_TXD2",
144 "RGMII_TXD3"; 144 "RGMII_TXD3";
145 }; 145 };
146 146
147 &hdmi0 { 147 &hdmi0 {
148 status = "okay"; 148 status = "okay";
149 }; 149 };
150 150
151 &hdmi1 { 151 &hdmi1 {
152 status = "okay"; 152 status = "okay";
153 }; 153 };
154 154
155 &led_act { 155 &led_act {
156 gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; 156 gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
157 }; 157 };
158 158
159 &leds { 159 &leds {
160 led_pwr: led-pwr { 160 led_pwr: led-pwr {
161 label = "PWR"; 161 label = "PWR";
162 gpios = <&expgpio 2 GPIO_ACTIV 162 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
163 default-state = "keep"; 163 default-state = "keep";
164 linux,default-trigger = "defau 164 linux,default-trigger = "default-on";
165 }; 165 };
166 }; 166 };
167 167
168 &pixelvalve0 { 168 &pixelvalve0 {
169 status = "okay"; 169 status = "okay";
170 }; 170 };
171 171
172 &pixelvalve1 { 172 &pixelvalve1 {
173 status = "okay"; 173 status = "okay";
174 }; 174 };
175 175
176 &pixelvalve2 { 176 &pixelvalve2 {
177 status = "okay"; 177 status = "okay";
178 }; 178 };
179 179
180 &pixelvalve4 { 180 &pixelvalve4 {
181 status = "okay"; 181 status = "okay";
182 }; 182 };
183 183
184 &pwm1 { 184 &pwm1 {
185 pinctrl-names = "default"; 185 pinctrl-names = "default";
186 pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gp 186 pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
187 status = "okay"; 187 status = "okay";
188 }; 188 };
189 189
190 /* EMMC2 is used to drive the SD card */ 190 /* EMMC2 is used to drive the SD card */
191 &emmc2 { 191 &emmc2 {
192 vqmmc-supply = <&sd_io_1v8_reg>; 192 vqmmc-supply = <&sd_io_1v8_reg>;
193 vmmc-supply = <&sd_vcc_reg>; 193 vmmc-supply = <&sd_vcc_reg>;
194 broken-cd; 194 broken-cd;
195 status = "okay"; 195 status = "okay";
196 }; 196 };
197 197
198 &genet { 198 &genet {
199 phy-handle = <&phy1>; 199 phy-handle = <&phy1>;
200 phy-mode = "rgmii-rxid"; 200 phy-mode = "rgmii-rxid";
201 status = "okay"; 201 status = "okay";
202 }; 202 };
203 203
204 &genet_mdio { 204 &genet_mdio {
205 phy1: ethernet-phy@1 { 205 phy1: ethernet-phy@1 {
206 /* No PHY interrupt */ 206 /* No PHY interrupt */
207 reg = <0x1>; 207 reg = <0x1>;
208 208
209 leds { 209 leds {
210 #address-cells = <1>; 210 #address-cells = <1>;
211 #size-cells = <0>; 211 #size-cells = <0>;
212 212
213 /* LED1 */ 213 /* LED1 */
214 led@0 { 214 led@0 {
215 reg = <0>; 215 reg = <0>;
216 color = <LED_C 216 color = <LED_COLOR_ID_GREEN>;
217 function = LED 217 function = LED_FUNCTION_LAN;
218 default-state 218 default-state = "keep";
219 }; 219 };
220 220
221 /* LED2 */ 221 /* LED2 */
222 led@1 { 222 led@1 {
223 reg = <1>; 223 reg = <1>;
224 color = <LED_C 224 color = <LED_COLOR_ID_AMBER>;
225 function = LED 225 function = LED_FUNCTION_LAN;
226 default-state 226 default-state = "keep";
227 }; 227 };
228 }; 228 };
229 }; 229 };
230 }; 230 };
231 231
232 &pcie0 { 232 &pcie0 {
233 pci@0,0 { 233 pci@0,0 {
234 device_type = "pci"; 234 device_type = "pci";
235 #address-cells = <3>; 235 #address-cells = <3>;
236 #size-cells = <2>; 236 #size-cells = <2>;
237 ranges; 237 ranges;
238 238
239 reg = <0 0 0 0 0>; 239 reg = <0 0 0 0 0>;
240 240
241 usb@0,0 { 241 usb@0,0 {
242 reg = <0 0 0 0 0>; 242 reg = <0 0 0 0 0>;
243 resets = <&reset RASPB 243 resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
244 }; 244 };
245 }; 245 };
246 }; 246 };
247 247
248 /* uart0 communicates with the BT module */ 248 /* uart0 communicates with the BT module */
249 &uart0 { 249 &uart0 {
250 pinctrl-names = "default"; 250 pinctrl-names = "default";
251 pinctrl-0 = <&uart0_ctsrts_gpio30 &uar 251 pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
252 uart-has-rtscts; 252 uart-has-rtscts;
253 }; 253 };
254 254
255 /* uart1 is mapped to the pin header */ 255 /* uart1 is mapped to the pin header */
256 &uart1 { 256 &uart1 {
257 pinctrl-names = "default"; 257 pinctrl-names = "default";
258 pinctrl-0 = <&uart1_gpio14>; 258 pinctrl-0 = <&uart1_gpio14>;
259 status = "okay"; 259 status = "okay";
260 }; 260 };
261 261
262 &vc4 { 262 &vc4 {
263 status = "okay"; 263 status = "okay";
264 }; 264 };
265 265
266 &vec { 266 &vec {
267 status = "disabled"; 267 status = "disabled";
268 }; 268 };
269 269
270 &wifi_pwrseq { 270 &wifi_pwrseq {
271 reset-gpios = <&expgpio 1 GPIO_ACTIVE_ 271 reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
272 }; 272 };
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