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 #include "bcm283x-rpi-wifi-bt.dtsi"
   7
   8 / {
   9         compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
  10         model = "Raspberry Pi 4 Model B";
  11
  12         chosen {
  13                 /* 8250 auxiliary UART instead of pl011 */
  14                 stdout-path = "serial1:115200n8";
  15         };
  16
  17         leds {
  18                 led-act {
  19                         gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
  20                 };
  21
  22                 led-pwr {
  23                         label = "PWR";
  24                         gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
  25                         default-state = "keep";
  26                         linux,default-trigger = "default-on";
  27                 };
  28         };
  29
  30         sd_io_1v8_reg: sd_io_1v8_reg {
  31                 compatible = "regulator-gpio";
  32                 regulator-name = "vdd-sd-io";
  33                 regulator-min-microvolt = <1800000>;
  34                 regulator-max-microvolt = <3300000>;
  35                 regulator-boot-on;
  36                 regulator-always-on;
  37                 regulator-settling-time-us = <5000>;
  38                 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
  39                 states = <1800000 0x1>,
  40                          <3300000 0x0>;
  41                 status = "okay";
  42         };
  43
  44         sd_vcc_reg: sd_vcc_reg {
  45                 compatible = "regulator-fixed";
  46                 regulator-name = "vcc-sd";
  47                 regulator-min-microvolt = <3300000>;
  48                 regulator-max-microvolt = <3300000>;
  49                 regulator-boot-on;
  50                 enable-active-high;
  51                 gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
  52         };
  53 };
  54
  55 &bt {
  56         shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
  57 };
  58
  59 &ddc0 {
  60         status = "okay";
  61 };
  62
  63 &ddc1 {
  64         status = "okay";
  65 };
  66
  67 &expgpio {
  68         gpio-line-names = "BT_ON",              /*  0 */
  69                           "WL_ON",
  70                           "PWR_LED_OFF",
  71                           "GLOBAL_RESET",
  72                           "VDD_SD_IO_SEL",
  73                           "CAM_GPIO",           /*  5 */
  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",             /*  0 */
  88                           "ID_SCL",
  89                           "SDA1",
  90                           "SCL1",
  91                           "GPIO_GCLK",
  92                           "GPIO5",              /*  5 */
  93                           "GPIO6",
  94                           "SPI_CE1_N",
  95                           "SPI_CE0_N",
  96                           "SPI_MISO",
  97                           "SPI_MOSI",           /* 10 */
  98                           "SPI_SCLK",
  99                           "GPIO12",
 100                           "GPIO13",
 101                           /* Serial port */
 102                           "TXD1",
 103                           "RXD1",               /* 15 */
 104                           "GPIO16",
 105                           "GPIO17",
 106                           "GPIO18",
 107                           "GPIO19",
 108                           "GPIO20",             /* 20 */
 109                           "GPIO21",
 110                           "GPIO22",
 111                           "GPIO23",
 112                           "GPIO24",
 113                           "GPIO25",             /* 25 */
 114                           "GPIO26",
 115                           "GPIO27",
 116                           "RGMII_MDIO",
 117                           "RGMIO_MDC",
 118                           /* Used by BT module */
 119                           "CTS0",               /* 30 */
 120                           "RTS0",
 121                           "TXD0",
 122                           "RXD0",
 123                           /* Used by Wifi */
 124                           "SD1_CLK",
 125                           "SD1_CMD",            /* 35 */
 126                           "SD1_DATA0",
 127                           "SD1_DATA1",
 128                           "SD1_DATA2",
 129                           "SD1_DATA3",
 130                           /* Shared with SPI flash */
 131                           "PWM0_MISO",          /* 40 */
 132                           "PWM1_MOSI",
 133                           "STATUS_LED_G_CLK",
 134                           "SPIFLASH_CE_N",
 135                           "SDA0",
 136                           "SCL0",               /* 45 */
 137                           "RGMII_RXCLK",
 138                           "RGMII_RXCTL",
 139                           "RGMII_RXD0",
 140                           "RGMII_RXD1",
 141                           "RGMII_RXD2",         /* 50 */
 142                           "RGMII_RXD3",
 143                           "RGMII_TXCLK",
 144                           "RGMII_TXCTL",
 145                           "RGMII_TXD0",
 146                           "RGMII_TXD1",         /* 55 */
 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 /* EMMC2 is used to drive the SD card */
 182 &emmc2 {
 183         vqmmc-supply = <&sd_io_1v8_reg>;
 184         vmmc-supply = <&sd_vcc_reg>;
 185         broken-cd;
 186         status = "okay";
 187 };
 188
 189 &genet {
 190         phy-handle = <&phy1>;
 191         phy-mode = "rgmii-rxid";
 192         status = "okay";
 193 };
 194
 195 &genet_mdio {
 196         phy1: ethernet-phy@1 {
 197                 /* No PHY interrupt */
 198                 reg = <0x1>;
 199         };
 200 };
 201
 202 &pcie0 {
 203         pci@0,0 {
 204                 device_type = "pci";
 205                 #address-cells = <3>;
 206                 #size-cells = <2>;
 207                 ranges;
 208
 209                 reg = <0 0 0 0 0>;
 210
 211                 usb@0,0 {
 212                         reg = <0 0 0 0 0>;
 213                         resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
 214                 };
 215         };
 216 };
 217
 218 /* uart0 communicates with the BT module */
 219 &uart0 {
 220         pinctrl-names = "default";
 221         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
 222         uart-has-rtscts;
 223 };
 224
 225 /* uart1 is mapped to the pin header */
 226 &uart1 {
 227         pinctrl-names = "default";
 228         pinctrl-0 = <&uart1_gpio14>;
 229         status = "okay";
 230 };
 231
 232 &vc4 {
 233         status = "okay";
 234 };
 235
 236 &vec {
 237         status = "disabled";
 238 };
 239
 240 &wifi_pwrseq {
 241         reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
 242 };