The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/efm32gg-dk3750.dts

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    1 // SPDX-License-Identifier: GPL-2.0
    2 /*
    3  * Device tree for EFM32GG-DK3750 development board.
    4  *
    5  * Documentation available from
    6  * http://www.silabs.com/Support%20Documents/TechnicalDocs/efm32gg-dk3750-ug.pdf
    7  */
    8 
    9 /dts-v1/;
   10 #include "efm32gg.dtsi"
   11 
   12 / {
   13         model = "Energy Micro Giant Gecko Development Kit";
   14         compatible = "efm32,dk3750";
   15 
   16         chosen {
   17                 bootargs = "console=ttyefm4,115200 init=/linuxrc ignore_loglevel ihash_entries=64 dhash_entries=64 earlyprintk uclinux.physaddr=0x8c400000 root=/dev/mtdblock0";
   18         };
   19 
   20         memory@88000000 {
   21                 device_type = "memory";
   22                 reg = <0x88000000 0x400000>;
   23         };
   24 
   25         soc {
   26                 adc@40002000 {
   27                         status = "ok";
   28                 };
   29 
   30                 i2c@4000a000 {
   31                         energymicro,location = <3>;
   32                         status = "ok";
   33 
   34                         temp@48 {
   35                                 compatible = "st,stds75";
   36                                 reg = <0x48>;
   37                         };
   38 
   39                         eeprom@50 {
   40                                 compatible = "microchip,24c02", "atmel,24c02";
   41                                 reg = <0x50>;
   42                                 pagesize = <16>;
   43                         };
   44                 };
   45 
   46                 spi0: spi@4000c000 { /* USART0 */
   47                         cs-gpios = <&gpio 68 1>; // E4
   48                         energymicro,location = <1>;
   49                         status = "ok";
   50 
   51                         microsd@0 {
   52                                 compatible = "mmc-spi-slot";
   53                                 spi-max-frequency = <100000>;
   54                                 voltage-ranges = <3200 3400>;
   55                                 broken-cd;
   56                                 reg = <0>;
   57                         };
   58                 };
   59 
   60                 spi1: spi@4000c400 { /* USART1 */
   61                         cs-gpios = <&gpio 51 1>; // D3
   62                         energymicro,location = <1>;
   63                         status = "ok";
   64 
   65                         ks8851@0 {
   66                                 compatible = "ks8851";
   67                                 spi-max-frequency = <6000000>;
   68                                 reg = <0>;
   69                                 interrupt-parent = <&boardfpga>;
   70                                 interrupts = <4>;
   71                         };
   72                 };
   73 
   74                 uart4: uart@4000e400 { /* UART1 */
   75                         energymicro,location = <2>;
   76                         status = "ok";
   77                 };
   78 
   79                 boardfpga: boardfpga@80000000 {
   80                         compatible = "efm32board";
   81                         reg = <0x80000000 0x400>;
   82                         irq-gpios = <&gpio 64 1>;
   83                         interrupt-controller;
   84                         #interrupt-cells = <1>;
   85                         status = "ok";
   86                 };
   87         };
   88 };

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