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