bcm2835-rpi-zero.dts

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    1 // SPDX-License-Identifier: GPL-2.0+
    2 /*
    3  * Copyright (C) 2016 Stefan Wahren <stefan.wahren@i2se.com>
    4  */
    5 
    6 /dts-v1/;
    7 #include "bcm2835.dtsi"
    8 #include "bcm2835-rpi.dtsi"
    9 #include "bcm283x-rpi-usb-otg.dtsi"
   10 
   11 / {
   12         compatible = "raspberrypi,model-zero", "brcm,bcm2835";
   13         model = "Raspberry Pi Zero";
   14 
   15         memory@0 {
   16                 device_type = "memory";
   17                 reg = <0 0x20000000>;
   18         };
   19 
   20         leds {
   21                 led-act {
   22                         gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
   23                 };
   24         };
   25 };
   26 
   27 &gpio {
   28         /*
   29          * This is based on the official GPU firmware DT blob.
   30          *
   31          * Legend:
   32          * "FOO" = GPIO line named "FOO" on the schematic
   33          * "FOO_N" = GPIO line named "FOO" on schematic, active low
   34          */
   35         gpio-line-names = "ID_SDA",
   36                           "ID_SCL",
   37                           "SDA1",
   38                           "SCL1",
   39                           "GPIO_GCLK",
   40                           "GPIO5",
   41                           "GPIO6",
   42                           "SPI_CE1_N",
   43                           "SPI_CE0_N",
   44                           "SPI_MISO",
   45                           "SPI_MOSI",
   46                           "SPI_SCLK",
   47                           "GPIO12",
   48                           "GPIO13",
   49                           /* Serial port */
   50                           "TXD0",
   51                           "RXD0",
   52                           "GPIO16",
   53                           "GPIO17",
   54                           "GPIO18",
   55                           "GPIO19",
   56                           "GPIO20",
   57                           "GPIO21",
   58                           "GPIO22",
   59                           "GPIO23",
   60                           "GPIO24",
   61                           "GPIO25",
   62                           "GPIO26",
   63                           "GPIO27",
   64                           "SDA0",
   65                           "SCL0",
   66                           "", /* GPIO30 */
   67                           "", /* GPIO31 */
   68                           "CAM_GPIO1", /* GPIO32 */
   69                           "", /* GPIO33 */
   70                           "", /* GPIO34 */
   71                           "", /* GPIO35 */
   72                           "", /* GPIO36 */
   73                           "", /* GPIO37 */
   74                           "", /* GPIO38 */
   75                           "", /* GPIO39 */
   76                           "", /* GPIO40 */
   77                           "CAM_GPIO0", /* GPIO41 */
   78                           "", /* GPIO42 */
   79                           "", /* GPIO43 */
   80                           "", /* GPIO44 */
   81                           "", /* GPIO45 */
   82                           "HDMI_HPD_N",
   83                           "STATUS_LED_N",
   84                           /* Used by SD Card */
   85                           "SD_CLK_R",
   86                           "SD_CMD_R",
   87                           "SD_DATA0_R",
   88                           "SD_DATA1_R",
   89                           "SD_DATA2_R",
   90                           "SD_DATA3_R";
   91 
   92         pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
   93 
   94         /* I2S interface */
   95         i2s_alt0: i2s_alt0 {
   96                 brcm,pins = <18 19 20 21>;
   97                 brcm,function = <BCM2835_FSEL_ALT0>;
   98         };
   99 };
  100 
  101 &hdmi {
  102         hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
  103         power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
  104         status = "okay";
  105 };
  106 
  107 &sdhost {
  108         pinctrl-names = "default";
  109         pinctrl-0 = <&sdhost_gpio48>;
  110         bus-width = <4>;
  111         status = "okay";
  112 };
  113 
  114 &uart0 {
  115         pinctrl-names = "default";
  116         pinctrl-0 = <&uart0_gpio14>;
  117         status = "okay";
  118 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/bcm2835-rpi-zero.dts

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/bcm2835-rpi-zero.dts