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> <<
9 8
10 / { 9 / {
11 compatible = "raspberrypi,4-model-b", 10 compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
12 model = "Raspberry Pi 4 Model B"; 11 model = "Raspberry Pi 4 Model B";
13 12
14 chosen { 13 chosen {
15 /* 8250 auxiliary UART instead 14 /* 8250 auxiliary UART instead of pl011 */
16 stdout-path = "serial1:115200n 15 stdout-path = "serial1:115200n8";
17 }; 16 };
18 17
19 cam1_reg: regulator-cam1 { <<
20 compatible = "regulator-fixed" <<
21 regulator-name = "cam1-reg"; <<
22 enable-active-high; <<
23 gpio = <&expgpio 5 GPIO_ACTIVE <<
24 }; <<
25 <<
26 sd_io_1v8_reg: regulator-sd-io-1v8 { 18 sd_io_1v8_reg: regulator-sd-io-1v8 {
27 compatible = "regulator-gpio"; 19 compatible = "regulator-gpio";
28 regulator-name = "vdd-sd-io"; 20 regulator-name = "vdd-sd-io";
29 regulator-min-microvolt = <180 21 regulator-min-microvolt = <1800000>;
30 regulator-max-microvolt = <330 22 regulator-max-microvolt = <3300000>;
31 regulator-boot-on; 23 regulator-boot-on;
32 regulator-always-on; 24 regulator-always-on;
33 regulator-settling-time-us = < 25 regulator-settling-time-us = <5000>;
34 gpios = <&expgpio 4 GPIO_ACTIV 26 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
35 states = <1800000 0x1>, 27 states = <1800000 0x1>,
36 <3300000 0x0>; 28 <3300000 0x0>;
37 status = "okay"; 29 status = "okay";
38 }; 30 };
39 31
40 sd_vcc_reg: regulator-sd-vcc { 32 sd_vcc_reg: regulator-sd-vcc {
41 compatible = "regulator-fixed" 33 compatible = "regulator-fixed";
42 regulator-name = "vcc-sd"; 34 regulator-name = "vcc-sd";
43 regulator-min-microvolt = <330 35 regulator-min-microvolt = <3300000>;
44 regulator-max-microvolt = <330 36 regulator-max-microvolt = <3300000>;
45 regulator-boot-on; 37 regulator-boot-on;
46 enable-active-high; 38 enable-active-high;
47 gpio = <&expgpio 6 GPIO_ACTIVE 39 gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
48 }; 40 };
49 }; 41 };
50 42
51 &bt { 43 &bt {
52 shutdown-gpios = <&expgpio 0 GPIO_ACTI 44 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
53 }; 45 };
54 46
55 &ddc0 { 47 &ddc0 {
56 status = "okay"; 48 status = "okay";
57 }; 49 };
58 50
59 &ddc1 { 51 &ddc1 {
60 status = "okay"; 52 status = "okay";
61 }; 53 };
62 54
63 &expgpio { 55 &expgpio {
64 gpio-line-names = "BT_ON", 56 gpio-line-names = "BT_ON", /* 0 */
65 "WL_ON", 57 "WL_ON",
66 "PWR_LED_OFF", 58 "PWR_LED_OFF",
67 "GLOBAL_RESET", 59 "GLOBAL_RESET",
68 "VDD_SD_IO_SEL", 60 "VDD_SD_IO_SEL",
69 "CAM_GPIO", 61 "CAM_GPIO", /* 5 */
70 "SD_PWR_ON", 62 "SD_PWR_ON",
71 ""; 63 "";
72 }; 64 };
73 65
74 &gpio { 66 &gpio {
75 /* 67 /*
76 * Parts taken from rpi_SCH_4b_4p0_red 68 * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
77 * the official GPU firmware DT blob. 69 * the official GPU firmware DT blob.
78 * 70 *
79 * Legend: 71 * Legend:
80 * "FOO" = GPIO line named "FOO" on th 72 * "FOO" = GPIO line named "FOO" on the schematic
81 * "FOO_N" = GPIO line named "FOO" on 73 * "FOO_N" = GPIO line named "FOO" on schematic, active low
82 */ 74 */
83 gpio-line-names = "ID_SDA", 75 gpio-line-names = "ID_SDA", /* 0 */
84 "ID_SCL", 76 "ID_SCL",
85 "SDA1", 77 "SDA1",
86 "SCL1", 78 "SCL1",
87 "GPIO_GCLK", 79 "GPIO_GCLK",
88 "GPIO5", 80 "GPIO5", /* 5 */
89 "GPIO6", 81 "GPIO6",
90 "SPI_CE1_N", 82 "SPI_CE1_N",
91 "SPI_CE0_N", 83 "SPI_CE0_N",
92 "SPI_MISO", 84 "SPI_MISO",
93 "SPI_MOSI", 85 "SPI_MOSI", /* 10 */
94 "SPI_SCLK", 86 "SPI_SCLK",
95 "GPIO12", 87 "GPIO12",
96 "GPIO13", 88 "GPIO13",
97 /* Serial port */ 89 /* Serial port */
98 "TXD1", 90 "TXD1",
99 "RXD1", 91 "RXD1", /* 15 */
100 "GPIO16", 92 "GPIO16",
101 "GPIO17", 93 "GPIO17",
102 "GPIO18", 94 "GPIO18",
103 "GPIO19", 95 "GPIO19",
104 "GPIO20", 96 "GPIO20", /* 20 */
105 "GPIO21", 97 "GPIO21",
106 "GPIO22", 98 "GPIO22",
107 "GPIO23", 99 "GPIO23",
108 "GPIO24", 100 "GPIO24",
109 "GPIO25", 101 "GPIO25", /* 25 */
110 "GPIO26", 102 "GPIO26",
111 "GPIO27", 103 "GPIO27",
112 "RGMII_MDIO", 104 "RGMII_MDIO",
113 "RGMIO_MDC", 105 "RGMIO_MDC",
114 /* Used by BT module 106 /* Used by BT module */
115 "CTS0", 107 "CTS0", /* 30 */
116 "RTS0", 108 "RTS0",
117 "TXD0", 109 "TXD0",
118 "RXD0", 110 "RXD0",
119 /* Used by Wifi */ 111 /* Used by Wifi */
120 "SD1_CLK", 112 "SD1_CLK",
121 "SD1_CMD", 113 "SD1_CMD", /* 35 */
122 "SD1_DATA0", 114 "SD1_DATA0",
123 "SD1_DATA1", 115 "SD1_DATA1",
124 "SD1_DATA2", 116 "SD1_DATA2",
125 "SD1_DATA3", 117 "SD1_DATA3",
126 /* Shared with SPI f 118 /* Shared with SPI flash */
127 "PWM0_MISO", 119 "PWM0_MISO", /* 40 */
128 "PWM1_MOSI", 120 "PWM1_MOSI",
129 "STATUS_LED_G_CLK", 121 "STATUS_LED_G_CLK",
130 "SPIFLASH_CE_N", 122 "SPIFLASH_CE_N",
131 "SDA0", 123 "SDA0",
132 "SCL0", 124 "SCL0", /* 45 */
133 "RGMII_RXCLK", 125 "RGMII_RXCLK",
134 "RGMII_RXCTL", 126 "RGMII_RXCTL",
135 "RGMII_RXD0", 127 "RGMII_RXD0",
136 "RGMII_RXD1", 128 "RGMII_RXD1",
137 "RGMII_RXD2", 129 "RGMII_RXD2", /* 50 */
138 "RGMII_RXD3", 130 "RGMII_RXD3",
139 "RGMII_TXCLK", 131 "RGMII_TXCLK",
140 "RGMII_TXCTL", 132 "RGMII_TXCTL",
141 "RGMII_TXD0", 133 "RGMII_TXD0",
142 "RGMII_TXD1", 134 "RGMII_TXD1", /* 55 */
143 "RGMII_TXD2", 135 "RGMII_TXD2",
144 "RGMII_TXD3"; 136 "RGMII_TXD3";
145 }; 137 };
146 138
147 &hdmi0 { 139 &hdmi0 {
148 status = "okay"; 140 status = "okay";
149 }; 141 };
150 142
151 &hdmi1 { 143 &hdmi1 {
152 status = "okay"; 144 status = "okay";
153 }; 145 };
154 146
155 &led_act { 147 &led_act {
156 gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; 148 gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
157 }; 149 };
158 150
159 &leds { 151 &leds {
160 led_pwr: led-pwr { 152 led_pwr: led-pwr {
161 label = "PWR"; 153 label = "PWR";
162 gpios = <&expgpio 2 GPIO_ACTIV 154 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
163 default-state = "keep"; 155 default-state = "keep";
164 linux,default-trigger = "defau 156 linux,default-trigger = "default-on";
165 }; 157 };
166 }; 158 };
167 159
168 &pixelvalve0 { 160 &pixelvalve0 {
169 status = "okay"; 161 status = "okay";
170 }; 162 };
171 163
172 &pixelvalve1 { 164 &pixelvalve1 {
173 status = "okay"; 165 status = "okay";
174 }; 166 };
175 167
176 &pixelvalve2 { 168 &pixelvalve2 {
177 status = "okay"; 169 status = "okay";
178 }; 170 };
179 171
180 &pixelvalve4 { 172 &pixelvalve4 {
181 status = "okay"; 173 status = "okay";
182 }; 174 };
183 175
184 &pwm1 { 176 &pwm1 {
185 pinctrl-names = "default"; 177 pinctrl-names = "default";
186 pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gp 178 pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
187 status = "okay"; 179 status = "okay";
188 }; 180 };
189 181
190 /* EMMC2 is used to drive the SD card */ 182 /* EMMC2 is used to drive the SD card */
191 &emmc2 { 183 &emmc2 {
192 vqmmc-supply = <&sd_io_1v8_reg>; 184 vqmmc-supply = <&sd_io_1v8_reg>;
193 vmmc-supply = <&sd_vcc_reg>; 185 vmmc-supply = <&sd_vcc_reg>;
194 broken-cd; 186 broken-cd;
195 status = "okay"; 187 status = "okay";
196 }; 188 };
197 189
198 &genet { 190 &genet {
199 phy-handle = <&phy1>; 191 phy-handle = <&phy1>;
200 phy-mode = "rgmii-rxid"; 192 phy-mode = "rgmii-rxid";
201 status = "okay"; 193 status = "okay";
202 }; 194 };
203 195
204 &genet_mdio { 196 &genet_mdio {
205 phy1: ethernet-phy@1 { 197 phy1: ethernet-phy@1 {
206 /* No PHY interrupt */ 198 /* No PHY interrupt */
207 reg = <0x1>; 199 reg = <0x1>;
208 <<
209 leds { <<
210 #address-cells = <1>; <<
211 #size-cells = <0>; <<
212 <<
213 /* LED1 */ <<
214 led@0 { <<
215 reg = <0>; <<
216 color = <LED_C <<
217 function = LED <<
218 default-state <<
219 }; <<
220 <<
221 /* LED2 */ <<
222 led@1 { <<
223 reg = <1>; <<
224 color = <LED_C <<
225 function = LED <<
226 default-state <<
227 }; <<
228 }; <<
229 }; 200 };
230 }; 201 };
231 202
232 &pcie0 { 203 &pcie0 {
233 pci@0,0 { 204 pci@0,0 {
234 device_type = "pci"; 205 device_type = "pci";
235 #address-cells = <3>; 206 #address-cells = <3>;
236 #size-cells = <2>; 207 #size-cells = <2>;
237 ranges; 208 ranges;
238 209
239 reg = <0 0 0 0 0>; 210 reg = <0 0 0 0 0>;
240 211
241 usb@0,0 { 212 usb@0,0 {
242 reg = <0 0 0 0 0>; 213 reg = <0 0 0 0 0>;
243 resets = <&reset RASPB 214 resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
244 }; 215 };
245 }; 216 };
246 }; 217 };
247 218
248 /* uart0 communicates with the BT module */ 219 /* uart0 communicates with the BT module */
249 &uart0 { 220 &uart0 {
250 pinctrl-names = "default"; 221 pinctrl-names = "default";
251 pinctrl-0 = <&uart0_ctsrts_gpio30 &uar 222 pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
252 uart-has-rtscts; 223 uart-has-rtscts;
253 }; 224 };
254 225
255 /* uart1 is mapped to the pin header */ 226 /* uart1 is mapped to the pin header */
256 &uart1 { 227 &uart1 {
257 pinctrl-names = "default"; 228 pinctrl-names = "default";
258 pinctrl-0 = <&uart1_gpio14>; 229 pinctrl-0 = <&uart1_gpio14>;
259 status = "okay"; 230 status = "okay";
260 }; 231 };
261 232
262 &vc4 { 233 &vc4 {
263 status = "okay"; 234 status = "okay";
264 }; 235 };
265 236
266 &vec { 237 &vec {
267 status = "disabled"; 238 status = "disabled";
268 }; 239 };
269 240
270 &wifi_pwrseq { 241 &wifi_pwrseq {
271 reset-gpios = <&expgpio 1 GPIO_ACTIVE_ 242 reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
272 }; 243 };
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