intel-ixp42x-dlink-dsm-g600.dts

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    1 // SPDX-License-Identifier: ISC
    2 /*
    3  * Device Tree file for D-Link DSM-G600 revision A based on IXP420
    4  * NOTE: revision B of this device uses PowerPC and is NOT supported by
    5  * this device tree.
    6  *
    7  * Inspired by the boardfile by Rod Whitby, Tower Technologies, Alessandro Zummo
    8  * and Michael Westerhof.
    9  */
   10 
   11 /dts-v1/;
   12 
   13 #include "intel-ixp42x.dtsi"
   14 #include <dt-bindings/input/input.h>
   15 
   16 / {
   17         model = "D-Link DSM-G600 rev A";
   18         compatible = "dlink,dsm-g600-a", "intel,ixp42x";
   19         #address-cells = <1>;
   20         #size-cells = <1>;
   21 
   22         memory@0 {
   23                 /* 64 MB SDRAM */
   24                 device_type = "memory";
   25                 reg = <0x00000000 0x4000000>;
   26         };
   27 
   28         chosen {
   29                 bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait";
   30                 stdout-path = "uart0:115200n8";
   31         };
   32 
   33         aliases {
   34                 serial0 = &uart0;
   35         };
   36 
   37         leds {
   38                 compatible = "gpio-leds";
   39                 led-power {
   40                         label = "dsmg600:green:power";
   41                         gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
   42                         default-state = "on";
   43                         linux,default-trigger = "heartbeat";
   44                 };
   45                 led-wlan {
   46                         label = "dsmg600:green:wlan";
   47                         /* CHECKME: flagged as active low in the old board file */
   48                         gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
   49                         default-state = "on";
   50                         /* We don't have WLAN trigger in the kernel (yet) */
   51                         linux,default-trigger = "netdev";
   52                 };
   53         };
   54 
   55         gpio_keys {
   56                 compatible = "gpio-keys";
   57 
   58                 button-reset {
   59                         wakeup-source;
   60                         linux,code = <KEY_ESC>;
   61                         label = "reset";
   62                         gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
   63                 };
   64         };
   65 
   66         gpio_keys_polled {
   67                 compatible = "gpio-keys-polled";
   68 
   69                 /*
   70                  * According to the board file this key cannot handle interrupts and
   71                  * need to be polled. Investigate if this is really the case or if
   72                  * this can be moved adjacent to the ordinary gpio-keys above.
   73                  */
   74                 button-power {
   75                         wakeup-source;
   76                         linux,code = <KEY_POWER>;
   77                         label = "power";
   78                         gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
   79                 };
   80         };
   81 
   82         i2c {
   83                 compatible = "i2c-gpio";
   84                 sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
   85                 scl-gpios = <&gpio0 4 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
   86                 #address-cells = <1>;
   87                 #size-cells = <0>;
   88 
   89                 rtc@51 {
   90                         compatible = "nxp,pcf8563";
   91                         reg = <0x51>;
   92                 };
   93         };
   94 
   95         gpio-poweroff {
   96                 compatible = "gpio-poweroff";
   97                 gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
   98                 timeout-ms = <5000>;
   99         };
  100 
  101         soc {
  102                 bus@c4000000 {
  103                         /* The first 16MB region at CS0 on the expansion bus */
  104                         flash@0,0 {
  105                                 compatible = "intel,ixp4xx-flash", "cfi-flash";
  106                                 bank-width = <2>;
  107                                 /*
  108                                  * 16 MB of Flash in 128 0x20000 sized blocks
  109                                  * mapped in at CS0.
  110                                  */
  111                                 reg = <0 0x00000000 0x1000000>;
  112 
  113                                 partitions {
  114                                         compatible = "redboot-fis";
  115                                         /*
  116                                          * A boot log says the directory is at 0xfe0000
  117                                          * 0x7f * 0x20000 = 0xfe0000
  118                                          */
  119                                         fis-index-block = <0x7f>;
  120                                 };
  121                         };
  122                 };
  123 
  124                 pci@c0000000 {
  125                         status = "ok";
  126 
  127                         /*
  128                          * Taken from DSM-G600 PCI boardfile (dsmg600-pci.c)
  129                          * We have slots (IDSEL) 1, 2, 3, 4 and pins 1, 2 and 3.
  130                          * Only slot 3 have three IRQs.
  131                          */
  132                         #interrupt-cells = <1>;
  133                         interrupt-map-mask = <0xf800 0 0 7>;
  134                         interrupt-map =
  135                         /* IDSEL 1 */
  136                         <0x0800 0 0 1 &gpio0 7  IRQ_TYPE_LEVEL_LOW>, /* INT E on slot 1 is irq 7 */
  137                         /* IDSEL 2 */
  138                         <0x1000 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 11 */
  139                         /* IDSEL 3 */
  140                         <0x1800 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 10 */
  141                         <0x1800 0 0 2 &gpio0 9  IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 9 */
  142                         <0x1800 0 0 3 &gpio0 8  IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 8 */
  143                         /* IDSEL 4 */
  144                         <0x2000 0 0 3 &gpio0 6  IRQ_TYPE_LEVEL_LOW>; /* INT F on slot 4 is irq 6 */
  145                 };
  146         };
  147 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/intel-ixp42x-dlink-dsm-g600.dts

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/intel-ixp42x-dlink-dsm-g600.dts