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