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/kirkwood-linkstation.dtsi

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    1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
    2 /*
    3  * Device Tree common file for kirkwood based Buffalo Linkstation
    4  *
    5  * Copyright (C) 2015, 2016
    6  * Roger Shimizu <rogershimizu@gmail.com>
    7  */
    8 
    9 / {
   10         chosen {
   11                 bootargs = "console=ttyS0,115200n8 earlyprintk";
   12                 stdout-path = &uart0;
   13         };
   14 
   15         ocp@f1000000 {
   16                 pinctrl: pin-controller@10000 {
   17                         pmx_power_hdd0: pmx-power-hdd0 {
   18                                 marvell,function = "gpio";
   19                         };
   20                         pmx_usb_vbus: pmx-usb-vbus {
   21                                 marvell,function = "gpio";
   22                         };
   23                         pmx_led_alarm: pmx-led-alarm {
   24                                 marvell,function = "gpio";
   25                         };
   26                         pmx_led_function_red: pmx-led-function-red {
   27                                 marvell,function = "gpio";
   28                         };
   29                         pmx_led_function_blue: pmx-led-function-blue {
   30                                 marvell,function = "gpio";
   31                         };
   32                         pmx_led_info: pmx-led-info {
   33                                 marvell,function = "gpio";
   34                         };
   35                         pmx_led_power: pmx-led-power {
   36                                 marvell,function = "gpio";
   37                         };
   38                         pmx_button_function: pmx-button-function {
   39                                 marvell,function = "gpio";
   40                         };
   41                         pmx_power_switch: pmx-power-switch {
   42                                 marvell,function = "gpio";
   43                         };
   44                         pmx_power_auto_switch: pmx-power-auto-switch {
   45                                 marvell,function = "gpio";
   46                         };
   47                 };
   48 
   49                 serial@12000 {
   50                         status = "okay";
   51                 };
   52 
   53                 sata@80000 {
   54                         status = "okay";
   55                         nr-ports = <1>;
   56                 };
   57 
   58                 spi@10600 {
   59                         status = "okay";
   60 
   61                         m25p40@0 {
   62                                 #address-cells = <1>;
   63                                 #size-cells = <1>;
   64                                 compatible = "st,m25p40", "jedec,spi-nor";
   65                                 reg = <0>;
   66                                 spi-max-frequency = <25000000>;
   67                                 mode = <0>;
   68 
   69                                 partition@0 {
   70                                         reg = <0x0 0x60000>;
   71                                         label = "uboot";
   72                                         read-only;
   73                                 };
   74 
   75                                 partition@60000 {
   76                                         reg = <0x60000 0x10000>;
   77                                         label = "dtb";
   78                                         read-only;
   79                                 };
   80 
   81                                 partition@70000 {
   82                                         reg = <0x70000 0x10000>;
   83                                         label = "uboot_env";
   84                                 };
   85                         };
   86                 };
   87         };
   88 
   89         gpio_keys {
   90                 compatible = "gpio-keys";
   91                 #address-cells = <1>;
   92                 #size-cells = <0>;
   93                 pinctrl-0 = <&pmx_button_function &pmx_power_switch
   94                              &pmx_power_auto_switch>;
   95                 pinctrl-names = "default";
   96 
   97                 function-button {
   98                         label = "Function Button";
   99                         linux,code = <KEY_OPTION>;
  100                 };
  101 
  102                 power-on-switch {
  103                         label = "Power-on Switch";
  104                         linux,code = <KEY_RESERVED>;
  105                         linux,input-type = <5>;
  106                 };
  107 
  108                 power-auto-switch {
  109                         label = "Power-auto Switch";
  110                         linux,code = <KEY_ESC>;
  111                         linux,input-type = <5>;
  112                 };
  113         };
  114 
  115         gpio_leds {
  116                 compatible = "gpio-leds";
  117                 pinctrl-0 = <&pmx_led_function_red &pmx_led_alarm
  118                              &pmx_led_info &pmx_led_power
  119                              &pmx_led_function_blue>;
  120                 pinctrl-names = "default";
  121         };
  122 
  123         restart_poweroff {
  124                 compatible = "restart-poweroff";
  125         };
  126 
  127         regulators {
  128                 compatible = "simple-bus";
  129                 #address-cells = <1>;
  130                 #size-cells = <0>;
  131                 pinctrl-0 = <&pmx_power_hdd0 &pmx_usb_vbus>;
  132                 pinctrl-names = "default";
  133 
  134                 usb_power: regulator@1 {
  135                         compatible = "regulator-fixed";
  136                         reg = <1>;
  137                         regulator-name = "USB Power";
  138                         regulator-min-microvolt = <5000000>;
  139                         regulator-max-microvolt = <5000000>;
  140                         enable-active-high;
  141                         regulator-always-on;
  142                         regulator-boot-on;
  143                 };
  144 
  145                 hdd_power0: regulator@2 {
  146                         compatible = "regulator-fixed";
  147                         reg = <2>;
  148                         regulator-name = "HDD0 Power";
  149                         regulator-min-microvolt = <5000000>;
  150                         regulator-max-microvolt = <5000000>;
  151                         enable-active-high;
  152                         regulator-always-on;
  153                         regulator-boot-on;
  154                 };
  155         };
  156 };
  157 
  158 &pciec {
  159         status = "okay";
  160 };
  161 
  162 &pcie0 {
  163         status = "okay";
  164 };

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