intel-ixp42x-linksys-nslu2.dts

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    1 // SPDX-License-Identifier: ISC
    2 /*
    3  * Device Tree file for Linksys NSLU2
    4  */
    5 
    6 /dts-v1/;
    7 
    8 #include "intel-ixp42x.dtsi"
    9 #include <dt-bindings/input/input.h>
   10 
   11 / {
   12         model = "Linksys NSLU2 (Network Storage Link for USB 2.0 Disk Drives)";
   13         compatible = "linksys,nslu2", "intel,ixp42x";
   14         #address-cells = <1>;
   15         #size-cells = <1>;
   16 
   17         memory@0 {
   18                 /* 32 MB SDRAM */
   19                 device_type = "memory";
   20                 reg = <0x00000000 0x2000000>;
   21         };
   22 
   23         chosen {
   24                 bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
   25                 stdout-path = "uart0:115200n8";
   26         };
   27 
   28         aliases {
   29                 serial0 = &uart0;
   30         };
   31 
   32         leds {
   33                 compatible = "gpio-leds";
   34                 led-status {
   35                         label = "nslu2:red:status";
   36                         gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
   37                         default-state = "on";
   38                         linux,default-trigger = "heartbeat";
   39                 };
   40                 led-ready {
   41                         label = "nslu2:green:ready";
   42                         gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
   43                         default-state = "on";
   44                 };
   45                 led-disk-1 {
   46                         label = "nslu2:green:disk-1";
   47                         gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
   48                         default-state = "off";
   49                 };
   50                 led-disk-2 {
   51                         label = "nslu2:green:disk-2";
   52                         gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
   53                         default-state = "off";
   54                 };
   55         };
   56 
   57         gpio_keys {
   58                 compatible = "gpio-keys";
   59 
   60                 button-power {
   61                         wakeup-source;
   62                         linux,code = <KEY_POWER>;
   63                         label = "power";
   64                         gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
   65                 };
   66                 button-reset {
   67                         wakeup-source;
   68                         linux,code = <KEY_ESC>;
   69                         label = "reset";
   70                         gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
   71                 };
   72         };
   73 
   74         i2c {
   75                 compatible = "i2c-gpio";
   76                 sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
   77                 scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
   78                 #address-cells = <1>;
   79                 #size-cells = <0>;
   80 
   81                 rtc@6f {
   82                         compatible = "xicor,x1205";
   83                         reg = <0x6f>;
   84                 };
   85         };
   86 
   87         gpio-poweroff {
   88                 compatible = "gpio-poweroff";
   89                 gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
   90                 timeout-ms = <5000>;
   91         };
   92 
   93         gpio-beeper {
   94                 compatible = "gpio-beeper";
   95                 gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
   96         };
   97 
   98         soc {
   99                 bus@c4000000 {
  100                         /* The first 16MB region at CS0 on the expansion bus */
  101                         flash@0,0 {
  102                                 compatible = "intel,ixp4xx-flash", "cfi-flash";
  103                                 bank-width = <2>;
  104                                 /*
  105                                  * 8 MB of Flash in 0x20000 byte blocks
  106                                  * mapped in at CS0.
  107                                  */
  108                                 reg = <0 0x00000000 0x800000>;
  109 
  110                                 partitions {
  111                                         compatible = "redboot-fis";
  112                                         /* Eraseblock at 0x7e0000 */
  113                                         fis-index-block = <0x3f>;
  114                                 };
  115                         };
  116                 };
  117 
  118                 pci@c0000000 {
  119                         status = "ok";
  120 
  121                         /*
  122                          * Taken from NSLU2 PCI boardfile, INT A, B, C swizzled D constant
  123                          * We have slots (IDSEL) 1, 2 and 3.
  124                          */
  125                         #interrupt-cells = <1>;
  126                         interrupt-map-mask = <0xf800 0 0 7>;
  127                         interrupt-map =
  128                         /* IDSEL 1 */
  129                         <0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */
  130                         <0x0800 0 0 2 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 10 */
  131                         <0x0800 0 0 3 &gpio0 9  IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 9 */
  132                         <0x0800 0 0 4 &gpio0 8  IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 8 */
  133                         /* IDSEL 2 */
  134                         <0x1000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 10 */
  135                         <0x1000 0 0 2 &gpio0 9  IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 9 */
  136                         <0x1000 0 0 3 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 11 */
  137                         <0x1000 0 0 4 &gpio0 8  IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 2 is irq 8 */
  138                         /* IDSEL 3 */
  139                         <0x1800 0 0 1 &gpio0 9  IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 9 */
  140                         <0x1800 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 11 */
  141                         <0x1800 0 0 3 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 10 */
  142                         <0x1800 0 0 4 &gpio0 8  IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 3 is irq 8 */
  143                 };
  144 
  145                 ethernet@c8009000 {
  146                         status = "ok";
  147                         queue-rx = <&qmgr 3>;
  148                         queue-txready = <&qmgr 20>;
  149                         phy-mode = "rgmii";
  150                         phy-handle = <&phy1>;
  151 
  152                         mdio {
  153                                 #address-cells = <1>;
  154                                 #size-cells = <0>;
  155 
  156                                 phy1: ethernet-phy@1 {
  157                                         reg = <1>;
  158                                 };
  159                         };
  160                 };
  161         };
  162 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/intel-ixp42x-linksys-nslu2.dts

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/intel-ixp42x-linksys-nslu2.dts