bcm2837-rpi-zero-2-w.dts

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    1 // SPDX-License-Identifier: GPL-2.0+
    2 /*
    3  * Copyright (C) 2022 Stefan Wahren <stefan.wahren@i2se.com>
    4  */
    5 
    6 /dts-v1/;
    7 #include "bcm2837.dtsi"
    8 #include "bcm2836-rpi.dtsi"
    9 #include "bcm283x-rpi-usb-otg.dtsi"
   10 #include "bcm283x-rpi-wifi-bt.dtsi"
   11 
   12 / {
   13         compatible = "raspberrypi,model-zero-2-w", "brcm,bcm2837";
   14         model = "Raspberry Pi Zero 2 W";
   15 
   16         memory@0 {
   17                 device_type = "memory";
   18                 reg = <0 0x20000000>;
   19         };
   20 
   21         chosen {
   22                 /* 8250 auxiliary UART instead of pl011 */
   23                 stdout-path = "serial1:115200n8";
   24         };
   25 
   26         leds {
   27                 led-act {
   28                         gpios = <&gpio 29 GPIO_ACTIVE_LOW>;
   29                 };
   30         };
   31 };
   32 
   33 &bt {
   34         shutdown-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
   35 };
   36 
   37 &gpio {
   38         /*
   39          * This is based on the official GPU firmware DT blob.
   40          *
   41          * Legend:
   42          * "NC" = not connected (no rail from the SoC)
   43          * "FOO" = GPIO line named "FOO" on the schematic
   44          * "FOO_N" = GPIO line named "FOO" on schematic, active low
   45          */
   46         gpio-line-names = "ID_SDA",
   47                           "ID_SCL",
   48                           "SDA1",
   49                           "SCL1",
   50                           "GPIO_GCLK",
   51                           "GPIO5",
   52                           "GPIO6",
   53                           "SPI_CE1_N",
   54                           "SPI_CE0_N",
   55                           "SPI_MISO",
   56                           "SPI_MOSI",
   57                           "SPI_SCLK",
   58                           "GPIO12",
   59                           "GPIO13",
   60                           /* Serial port */
   61                           "TXD0",
   62                           "RXD0",
   63                           "GPIO16",
   64                           "GPIO17",
   65                           "GPIO18",
   66                           "GPIO19",
   67                           "GPIO20",
   68                           "GPIO21",
   69                           "GPIO22",
   70                           "GPIO23",
   71                           "GPIO24",
   72                           "GPIO25",
   73                           "GPIO26",
   74                           "GPIO27",
   75                           "HDMI_HPD_N",
   76                           "STATUS_LED_N",
   77                           "NC", /* GPIO30 */
   78                           "NC", /* GPIO31 */
   79                           "NC", /* GPIO32 */
   80                           "NC", /* GPIO33 */
   81                           "NC", /* GPIO34 */
   82                           "NC", /* GPIO35 */
   83                           "NC", /* GPIO36 */
   84                           "NC", /* GPIO37 */
   85                           "NC", /* GPIO38 */
   86                           "NC", /* GPIO39 */
   87                           "CAM_GPIO0", /* GPIO40 */
   88                           "WL_ON", /* GPIO41 */
   89                           "BT_ON", /* GPIO42 */
   90                           "WIFI_CLK", /* GPIO43 */
   91                           "SDA0", /* GPIO44 */
   92                           "SCL0", /* GPIO45 */
   93                           "SMPS_SCL",
   94                           "SMPS_SDA",
   95                           /* Used by SD Card */
   96                           "SD_CLK_R",
   97                           "SD_CMD_R",
   98                           "SD_DATA0_R",
   99                           "SD_DATA1_R",
  100                           "SD_DATA2_R",
  101                           "SD_DATA3_R";
  102 
  103         pinctrl-0 = <&gpioout &alt0>;
  104 };
  105 
  106 &hdmi {
  107         hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
  108         power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
  109         status = "okay";
  110 };
  111 
  112 &sdhci {
  113         pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
  114 };
  115 
  116 &sdhost {
  117         pinctrl-names = "default";
  118         pinctrl-0 = <&sdhost_gpio48>;
  119         bus-width = <4>;
  120         status = "okay";
  121 };
  122 
  123 &uart0 {
  124         pinctrl-names = "default";
  125         pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
  126 };
  127 
  128 &uart1 {
  129         pinctrl-names = "default";
  130         pinctrl-0 = <&uart1_gpio14>;
  131         status = "okay";
  132 };
  133 
  134 &wifi_pwrseq {
  135         reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
  136 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/bcm2837-rpi-zero-2-w.dts

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/bcm2837-rpi-zero-2-w.dts