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/at91-ariettag25.dts

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    1 // SPDX-License-Identifier: GPL-2.0
    2 /*
    3  * Device Tree file for Arietta G25
    4  * This device tree is minimal, to activate more peripherals, see:
    5  * http://dts.acmesystems.it/arietta/
    6  */
    7 /dts-v1/;
    8 #include "at91sam9g25.dtsi"
    9 
   10 / {
   11         model = "Acme Systems Arietta G25";
   12         compatible = "acme,ariettag25", "atmel,at91sam9x5", "atmel,at91sam9";
   13 
   14         chosen {
   15                 stdout-path = "serial0:115200n8";
   16         };
   17 
   18         memory@20000000 {
   19                 reg = <0x20000000 0x8000000>;
   20         };
   21 
   22         clocks {
   23                 slow_xtal {
   24                         clock-frequency = <32768>;
   25                 };
   26 
   27                 main_xtal {
   28                         clock-frequency = <12000000>;
   29                 };
   30         };
   31 
   32         leds {
   33                 compatible = "gpio-leds";
   34 
   35                 arietta_led {
   36                         label = "arietta_led";
   37                         gpios = <&pioB 8 GPIO_ACTIVE_HIGH>; /* PB8 */
   38                         linux,default-trigger = "heartbeat";
   39                 };
   40         };
   41 };
   42 
   43 &dbgu {
   44         status = "okay";
   45 };
   46 
   47 &mmc0 {
   48         pinctrl-0 = <
   49                 &pinctrl_mmc0_slot0_clk_cmd_dat0
   50                 &pinctrl_mmc0_slot0_dat1_3>;
   51         pinctrl-names = "default";
   52         status = "okay";
   53 
   54         slot@0 {
   55                 reg = <0>;
   56                 bus-width = <4>;
   57         };
   58 };
   59 
   60 &rtc {
   61         status = "okay";
   62 };
   63 
   64 &tcb0 {
   65         timer@0 {
   66                 compatible = "atmel,tcb-timer";
   67                 reg = <0>;
   68         };
   69 
   70         timer@1 {
   71                 compatible = "atmel,tcb-timer";
   72                 reg = <1>;
   73         };
   74 };
   75 
   76 &usb0 {
   77         num-ports = <3>;
   78         status = "okay";
   79 };
   80 
   81 &usb1 {
   82         status = "okay";
   83 };
   84 
   85 &usb2 {
   86         status = "okay";
   87 };

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