arch/arm/boot/dts/bcm2711-rpi-4-b.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3 #include "bcm2711.dtsi"
   4 #include "bcm2835-rpi.dtsi"
   5 #include "bcm283x-rpi-usb-peripheral.dtsi"
   6
   7 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
   8
   9 / {
  10         compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
  11         model = "Raspberry Pi 4 Model B";
  12
  13         chosen {
  14                 /* 8250 auxiliary UART instead of pl011 */
  15                 stdout-path = "serial1:115200n8";
  16         };
  17
  18         /* Will be filled by the bootloader */
  19         memory@0 {
  20                 device_type = "memory";
  21                 reg = <0 0 0>;
  22         };
  23
  24         aliases {
  25                 emmc2bus = &emmc2bus;
  26                 ethernet0 = &genet;
  27                 pcie0 = &pcie0;
  28                 blconfig = &blconfig;
  29         };
  30
  31         leds {
  32                 act {
  33                         gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
  34                 };
  35
  36                 pwr {
  37                         label = "PWR";
  38                         gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
  39                         default-state = "keep";
  40                         linux,default-trigger = "default-on";
  41                 };
  42         };
  43
  44         wifi_pwrseq: wifi-pwrseq {
  45                 compatible = "mmc-pwrseq-simple";
  46                 reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
  47         };
  48
  49         sd_io_1v8_reg: sd_io_1v8_reg {
  50                 compatible = "regulator-gpio";
  51                 regulator-name = "vdd-sd-io";
  52                 regulator-min-microvolt = <1800000>;
  53                 regulator-max-microvolt = <3300000>;
  54                 regulator-boot-on;
  55                 regulator-always-on;
  56                 regulator-settling-time-us = <5000>;
  57                 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
  58                 states = <1800000 0x1
  59                           3300000 0x0>;
  60                 status = "okay";
  61         };
  62
  63         sd_vcc_reg: sd_vcc_reg {
  64                 compatible = "regulator-fixed";
  65                 regulator-name = "vcc-sd";
  66                 regulator-min-microvolt = <3300000>;
  67                 regulator-max-microvolt = <3300000>;
  68                 regulator-boot-on;
  69                 enable-active-high;
  70                 gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
  71         };
  72 };
  73
  74 &ddc0 {
  75         status = "okay";
  76 };
  77
  78 &ddc1 {
  79         status = "okay";
  80 };
  81
  82 &firmware {
  83         firmware_clocks: clocks {
  84                 compatible = "raspberrypi,firmware-clocks";
  85                 #clock-cells = <1>;
  86         };
  87
  88         expgpio: gpio {
  89                 compatible = "raspberrypi,firmware-gpio";
  90                 gpio-controller;
  91                 #gpio-cells = <2>;
  92                 gpio-line-names = "BT_ON",
  93                                   "WL_ON",
  94                                   "PWR_LED_OFF",
  95                                   "GLOBAL_RESET",
  96                                   "VDD_SD_IO_SEL",
  97                                   "CAM_GPIO",
  98                                   "SD_PWR_ON",
  99                                   "";
 100                 status = "okay";
 101         };
 102
 103         reset: reset {
 104                 compatible = "raspberrypi,firmware-reset";
 105                 #reset-cells = <1>;
 106         };
 107 };
 108
 109 &gpio {
 110         /*
 111          * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
 112          * the official GPU firmware DT blob.
 113          *
 114          * Legend:
 115          * "FOO" = GPIO line named "FOO" on the schematic
 116          * "FOO_N" = GPIO line named "FOO" on schematic, active low
 117          */
 118         gpio-line-names = "ID_SDA",
 119                           "ID_SCL",
 120                           "SDA1",
 121                           "SCL1",
 122                           "GPIO_GCLK",
 123                           "GPIO5",
 124                           "GPIO6",
 125                           "SPI_CE1_N",
 126                           "SPI_CE0_N",
 127                           "SPI_MISO",
 128                           "SPI_MOSI",
 129                           "SPI_SCLK",
 130                           "GPIO12",
 131                           "GPIO13",
 132                           /* Serial port */
 133                           "TXD1",
 134                           "RXD1",
 135                           "GPIO16",
 136                           "GPIO17",
 137                           "GPIO18",
 138                           "GPIO19",
 139                           "GPIO20",
 140                           "GPIO21",
 141                           "GPIO22",
 142                           "GPIO23",
 143                           "GPIO24",
 144                           "GPIO25",
 145                           "GPIO26",
 146                           "GPIO27",
 147                           "RGMII_MDIO",
 148                           "RGMIO_MDC",
 149                           /* Used by BT module */
 150                           "CTS0",
 151                           "RTS0",
 152                           "TXD0",
 153                           "RXD0",
 154                           /* Used by Wifi */
 155                           "SD1_CLK",
 156                           "SD1_CMD",
 157                           "SD1_DATA0",
 158                           "SD1_DATA1",
 159                           "SD1_DATA2",
 160                           "SD1_DATA3",
 161                           /* Shared with SPI flash */
 162                           "PWM0_MISO",
 163                           "PWM1_MOSI",
 164                           "STATUS_LED_G_CLK",
 165                           "SPIFLASH_CE_N",
 166                           "SDA0",
 167                           "SCL0",
 168                           "RGMII_RXCLK",
 169                           "RGMII_RXCTL",
 170                           "RGMII_RXD0",
 171                           "RGMII_RXD1",
 172                           "RGMII_RXD2",
 173                           "RGMII_RXD3",
 174                           "RGMII_TXCLK",
 175                           "RGMII_TXCTL",
 176                           "RGMII_TXD0",
 177                           "RGMII_TXD1",
 178                           "RGMII_TXD2",
 179                           "RGMII_TXD3";
 180 };
 181
 182 &hdmi0 {
 183         clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 0>, <&clk_27MHz>;
 184         clock-names = "hdmi", "bvb", "audio", "cec";
 185         wifi-2.4ghz-coexistence;
 186         status = "okay";
 187 };
 188
 189 &hdmi1 {
 190         clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;
 191         clock-names = "hdmi", "bvb", "audio", "cec";
 192         wifi-2.4ghz-coexistence;
 193         status = "okay";
 194 };
 195
 196 &hvs {
 197         clocks = <&firmware_clocks 4>;
 198 };
 199
 200 &pixelvalve0 {
 201         status = "okay";
 202 };
 203
 204 &pixelvalve1 {
 205         status = "okay";
 206 };
 207
 208 &pixelvalve2 {
 209         status = "okay";
 210 };
 211
 212 &pixelvalve4 {
 213         status = "okay";
 214 };
 215
 216 &pwm1 {
 217         pinctrl-names = "default";
 218         pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
 219         status = "okay";
 220 };
 221
 222 &rmem {
 223         /*
 224          * RPi4's co-processor will copy the board's bootloader configuration
 225          * into memory for the OS to consume. It'll also update this node with
 226          * its placement information.
 227          */
 228         blconfig: nvram@0 {
 229                 compatible = "raspberrypi,bootloader-config", "nvmem-rmem";
 230                 #address-cells = <1>;
 231                 #size-cells = <1>;
 232                 reg = <0x0 0x0 0x0>;
 233                 no-map;
 234                 status = "disabled";
 235         };
 236 };
 237
 238 /* SDHCI is used to control the SDIO for wireless */
 239 &sdhci {
 240         #address-cells = <1>;
 241         #size-cells = <0>;
 242         pinctrl-names = "default";
 243         pinctrl-0 = <&emmc_gpio34>;
 244         bus-width = <4>;
 245         non-removable;
 246         mmc-pwrseq = <&wifi_pwrseq>;
 247         status = "okay";
 248
 249         brcmf: wifi@1 {
 250                 reg = <1>;
 251                 compatible = "brcm,bcm4329-fmac";
 252         };
 253 };
 254
 255 /* EMMC2 is used to drive the SD card */
 256 &emmc2 {
 257         vqmmc-supply = <&sd_io_1v8_reg>;
 258         vmmc-supply = <&sd_vcc_reg>;
 259         broken-cd;
 260         status = "okay";
 261 };
 262
 263 &genet {
 264         phy-handle = <&phy1>;
 265         phy-mode = "rgmii-rxid";
 266         status = "okay";
 267 };
 268
 269 &genet_mdio {
 270         phy1: ethernet-phy@1 {
 271                 /* No PHY interrupt */
 272                 reg = <0x1>;
 273         };
 274 };
 275
 276 &pcie0 {
 277         pci@1,0 {
 278                 #address-cells = <3>;
 279                 #size-cells = <2>;
 280                 ranges;
 281
 282                 reg = <0 0 0 0 0>;
 283
 284                 usb@1,0 {
 285                         reg = <0x10000 0 0 0 0>;
 286                         resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
 287                 };
 288         };
 289 };
 290
 291 /* uart0 communicates with the BT module */
 292 &uart0 {
 293         pinctrl-names = "default";
 294         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
 295         uart-has-rtscts;
 296         status = "okay";
 297
 298         bluetooth {
 299                 compatible = "brcm,bcm43438-bt";
 300                 max-speed = <2000000>;
 301                 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
 302         };
 303 };
 304
 305 /* uart1 is mapped to the pin header */
 306 &uart1 {
 307         pinctrl-names = "default";
 308         pinctrl-0 = <&uart1_gpio14>;
 309         status = "okay";
 310 };
 311
 312 &vchiq {
 313         interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
 314 };
 315
 316 &vc4 {
 317         status = "okay";
 318 };
 319
 320 &vec {
 321         status = "disabled";
 322 };