src/arm/broadcom/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-led-deprecated.dtsi"
   6 #include "bcm283x-rpi-usb-peripheral.dtsi"
   7 #include "bcm283x-rpi-wifi-bt.dtsi"
   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         sd_io_1v8_reg: regulator-sd-io-1v8 {
  19                 compatible = "regulator-gpio";
  20                 regulator-name = "vdd-sd-io";
  21                 regulator-min-microvolt = <1800000>;
  22                 regulator-max-microvolt = <3300000>;
  23                 regulator-boot-on;
  24                 regulator-always-on;
  25                 regulator-settling-time-us = <5000>;
  26                 gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
  27                 states = <1800000 0x1>,
  28                          <3300000 0x0>;
  29                 status = "okay";
  30         };
  31
  32         sd_vcc_reg: regulator-sd-vcc {
  33                 compatible = "regulator-fixed";
  34                 regulator-name = "vcc-sd";
  35                 regulator-min-microvolt = <3300000>;
  36                 regulator-max-microvolt = <3300000>;
  37                 regulator-boot-on;
  38                 enable-active-high;
  39                 gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
  40         };
  41 };
  42
  43 &bt {
  44         shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
  45 };
  46
  47 &ddc0 {
  48         status = "okay";
  49 };
  50
  51 &ddc1 {
  52         status = "okay";
  53 };
  54
  55 &expgpio {
  56         gpio-line-names = "BT_ON",              /*  0 */
  57                           "WL_ON",
  58                           "PWR_LED_OFF",
  59                           "GLOBAL_RESET",
  60                           "VDD_SD_IO_SEL",
  61                           "CAM_GPIO",           /*  5 */
  62                           "SD_PWR_ON",
  63                           "";
  64 };
  65
  66 &gpio {
  67         /*
  68          * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
  69          * the official GPU firmware DT blob.
  70          *
  71          * Legend:
  72          * "FOO" = GPIO line named "FOO" on the schematic
  73          * "FOO_N" = GPIO line named "FOO" on schematic, active low
  74          */
  75         gpio-line-names = "ID_SDA",             /*  0 */
  76                           "ID_SCL",
  77                           "SDA1",
  78                           "SCL1",
  79                           "GPIO_GCLK",
  80                           "GPIO5",              /*  5 */
  81                           "GPIO6",
  82                           "SPI_CE1_N",
  83                           "SPI_CE0_N",
  84                           "SPI_MISO",
  85                           "SPI_MOSI",           /* 10 */
  86                           "SPI_SCLK",
  87                           "GPIO12",
  88                           "GPIO13",
  89                           /* Serial port */
  90                           "TXD1",
  91                           "RXD1",               /* 15 */
  92                           "GPIO16",
  93                           "GPIO17",
  94                           "GPIO18",
  95                           "GPIO19",
  96                           "GPIO20",             /* 20 */
  97                           "GPIO21",
  98                           "GPIO22",
  99                           "GPIO23",
 100                           "GPIO24",
 101                           "GPIO25",             /* 25 */
 102                           "GPIO26",
 103                           "GPIO27",
 104                           "RGMII_MDIO",
 105                           "RGMIO_MDC",
 106                           /* Used by BT module */
 107                           "CTS0",               /* 30 */
 108                           "RTS0",
 109                           "TXD0",
 110                           "RXD0",
 111                           /* Used by Wifi */
 112                           "SD1_CLK",
 113                           "SD1_CMD",            /* 35 */
 114                           "SD1_DATA0",
 115                           "SD1_DATA1",
 116                           "SD1_DATA2",
 117                           "SD1_DATA3",
 118                           /* Shared with SPI flash */
 119                           "PWM0_MISO",          /* 40 */
 120                           "PWM1_MOSI",
 121                           "STATUS_LED_G_CLK",
 122                           "SPIFLASH_CE_N",
 123                           "SDA0",
 124                           "SCL0",               /* 45 */
 125                           "RGMII_RXCLK",
 126                           "RGMII_RXCTL",
 127                           "RGMII_RXD0",
 128                           "RGMII_RXD1",
 129                           "RGMII_RXD2",         /* 50 */
 130                           "RGMII_RXD3",
 131                           "RGMII_TXCLK",
 132                           "RGMII_TXCTL",
 133                           "RGMII_TXD0",
 134                           "RGMII_TXD1",         /* 55 */
 135                           "RGMII_TXD2",
 136                           "RGMII_TXD3";
 137 };
 138
 139 &hdmi0 {
 140         status = "okay";
 141 };
 142
 143 &hdmi1 {
 144         status = "okay";
 145 };
 146
 147 &led_act {
 148         gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 149 };
 150
 151 &leds {
 152         led_pwr: led-pwr {
 153                 label = "PWR";
 154                 gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 155                 default-state = "keep";
 156                 linux,default-trigger = "default-on";
 157         };
 158 };
 159
 160 &pixelvalve0 {
 161         status = "okay";
 162 };
 163
 164 &pixelvalve1 {
 165         status = "okay";
 166 };
 167
 168 &pixelvalve2 {
 169         status = "okay";
 170 };
 171
 172 &pixelvalve4 {
 173         status = "okay";
 174 };
 175
 176 &pwm1 {
 177         pinctrl-names = "default";
 178         pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
 179         status = "okay";
 180 };
 181
 182 /* EMMC2 is used to drive the SD card */
 183 &emmc2 {
 184         vqmmc-supply = <&sd_io_1v8_reg>;
 185         vmmc-supply = <&sd_vcc_reg>;
 186         broken-cd;
 187         status = "okay";
 188 };
 189
 190 &genet {
 191         phy-handle = <&phy1>;
 192         phy-mode = "rgmii-rxid";
 193         status = "okay";
 194 };
 195
 196 &genet_mdio {
 197         phy1: ethernet-phy@1 {
 198                 /* No PHY interrupt */
 199                 reg = <0x1>;
 200         };
 201 };
 202
 203 &pcie0 {
 204         pci@0,0 {
 205                 device_type = "pci";
 206                 #address-cells = <3>;
 207                 #size-cells = <2>;
 208                 ranges;
 209
 210                 reg = <0 0 0 0 0>;
 211
 212                 usb@0,0 {
 213                         reg = <0 0 0 0 0>;
 214                         resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
 215                 };
 216         };
 217 };
 218
 219 /* uart0 communicates with the BT module */
 220 &uart0 {
 221         pinctrl-names = "default";
 222         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
 223         uart-has-rtscts;
 224 };
 225
 226 /* uart1 is mapped to the pin header */
 227 &uart1 {
 228         pinctrl-names = "default";
 229         pinctrl-0 = <&uart1_gpio14>;
 230         status = "okay";
 231 };
 232
 233 &vc4 {
 234         status = "okay";
 235 };
 236
 237 &vec {
 238         status = "disabled";
 239 };
 240
 241 &wifi_pwrseq {
 242         reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
 243 };