bcm2835-rpi-a-plus.dts

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    1 // SPDX-License-Identifier: GPL-2.0
    2 /dts-v1/;
    3 #include "bcm2835.dtsi"
    4 #include "bcm2835-rpi.dtsi"
    5 #include "bcm283x-rpi-usb-host.dtsi"
    6 
    7 / {
    8         compatible = "raspberrypi,model-a-plus", "brcm,bcm2835";
    9         model = "Raspberry Pi Model A+";
   10 
   11         memory@0 {
   12                 device_type = "memory";
   13                 reg = <0 0x10000000>;
   14         };
   15 
   16         leds {
   17                 led-act {
   18                         gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
   19                 };
   20 
   21                 led-pwr {
   22                         label = "PWR";
   23                         gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
   24                         default-state = "keep";
   25                         linux,default-trigger = "default-on";
   26                 };
   27         };
   28 };
   29 
   30 &gpio {
   31         /*
   32          * This is based on the unreleased schematic for the Model A+.
   33          *
   34          * Legend:
   35          * "FOO" = GPIO line named "FOO" on the schematic
   36          * "FOO_N" = GPIO line named "FOO" on schematic, active low
   37          */
   38         gpio-line-names = "ID_SDA",
   39                           "ID_SCL",
   40                           "SDA1",
   41                           "SCL1",
   42                           "GPIO_GCLK",
   43                           "GPIO5",
   44                           "GPIO6",
   45                           "SPI_CE1_N",
   46                           "SPI_CE0_N",
   47                           "SPI_MISO",
   48                           "SPI_MOSI",
   49                           "SPI_SCLK",
   50                           "GPIO12",
   51                           "GPIO13",
   52                           /* Serial port */
   53                           "TXD0",
   54                           "RXD0",
   55                           "GPIO16",
   56                           "GPIO17",
   57                           "GPIO18",
   58                           "GPIO19",
   59                           "GPIO20",
   60                           "GPIO21",
   61                           "GPIO22",
   62                           "GPIO23",
   63                           "GPIO24",
   64                           "GPIO25",
   65                           "GPIO26",
   66                           "GPIO27",
   67                           "SDA0",
   68                           "SCL0",
   69                           "", /* GPIO30 */
   70                           "", /* GPIO31 */
   71                           "CAM_GPIO1", /* GPIO32 */
   72                           "", /* GPIO33 */
   73                           "", /* GPIO34 */
   74                           "PWR_LOW_N", /* GPIO35 */
   75                           "", /* GPIO36 */
   76                           "", /* GPIO37 */
   77                           "USB_LIMIT", /* GPIO38 */
   78                           "", /* GPIO39 */
   79                           "PWM0_OUT", /* GPIO40 */
   80                           "CAM_GPIO0", /* GPIO41 */
   81                           "", /* GPIO42 */
   82                           "", /* GPIO43 */
   83                           "", /* GPIO44 */
   84                           "PWM1_OUT", /* GPIO45 */
   85                           "HDMI_HPD_N",
   86                           "STATUS_LED",
   87                           /* Used by SD Card */
   88                           "SD_CLK_R",
   89                           "SD_CMD_R",
   90                           "SD_DATA0_R",
   91                           "SD_DATA1_R",
   92                           "SD_DATA2_R",
   93                           "SD_DATA3_R";
   94 
   95         pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
   96 
   97         /* I2S interface */
   98         i2s_alt0: i2s_alt0 {
   99                 brcm,pins = <18 19 20 21>;
  100                 brcm,function = <BCM2835_FSEL_ALT0>;
  101         };
  102 };
  103 
  104 &hdmi {
  105         hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
  106         power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
  107         status = "okay";
  108 };
  109 
  110 &pwm {
  111         pinctrl-names = "default";
  112         pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
  113         status = "okay";
  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_gpio14>;
  126         status = "okay";
  127 };

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

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