arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts

   1 /*
   2  * Broadcom BCM470X / BCM5301X ARM platform code.
   3  * DTS for Buffalo WZR-600DHP2
   4  *
   5  * Copyright (C) 2014 Rafał Miłecki <zajec5@gmail.com>
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
  12  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  13  * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
  14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  15  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  16  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17  * PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 /dts-v1/;
  21
  22 #include "bcm47081.dtsi"
  23 #include "bcm5301x-nand-cs0-bch8.dtsi"
  24
  25 / {
  26         compatible = "buffalo,wzr-600dhp2", "brcm,bcm47081", "brcm,bcm4708";
  27         model = "Buffalo WZR-600DHP2 (BCM47081)";
  28
  29         chosen {
  30                 bootargs = "console=ttyS0,115200 earlycon";
  31         };
  32
  33         memory {
  34                 reg = <0x00000000 0x08000000
  35                        0x88000000 0x08000000>;
  36         };
  37
  38         spi {
  39                 compatible = "spi-gpio";
  40                 num-chipselects = <1>;
  41                 gpio-sck = <&chipcommon 7 0>;
  42                 gpio-mosi = <&chipcommon 4 0>;
  43                 cs-gpios = <&chipcommon 6 0>;
  44                 #address-cells = <1>;
  45                 #size-cells = <0>;
  46
  47                 hc595: gpio_spi@0 {
  48                         compatible = "fairchild,74hc595";
  49                         reg = <0>;
  50                         registers-number = <1>;
  51                         spi-max-frequency = <100000>;
  52
  53                         gpio-controller;
  54                         #gpio-cells = <2>;
  55
  56                 };
  57         };
  58
  59         leds {
  60                 compatible = "gpio-leds";
  61
  62                 power0 {
  63                         label = "bcm53xx:green:power";
  64                         gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
  65                         linux,default-trigger = "default-on";
  66                 };
  67
  68                 power1 {
  69                         label = "bcm53xx:red:power";
  70                         gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
  71                 };
  72
  73                 router0 {
  74                         label = "bcm53xx:green:router";
  75                         gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
  76                         linux,default-trigger = "default-on";
  77                 };
  78
  79                 router1 {
  80                         label = "bcm53xx:amber:router";
  81                         gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
  82                 };
  83
  84                 wan {
  85                         label = "bcm53xx:green:wan";
  86                         gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
  87                         linux,default-trigger = "default-on";
  88                 };
  89
  90                 wireless0 {
  91                         label = "bcm53xx:green:wireless";
  92                         gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
  93                 };
  94
  95                 wireless1 {
  96                         label = "bcm53xx:amber:wireless";
  97                         gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
  98                 };
  99         };
 100
 101         gpio-keys {
 102                 compatible = "gpio-keys";
 103                 #address-cells = <1>;
 104                 #size-cells = <0>;
 105
 106                 aoss {
 107                         label = "AOSS";
 108                         linux,code = <KEY_WPS_BUTTON>;
 109                         gpios = <&chipcommon 9 GPIO_ACTIVE_LOW>;
 110                 };
 111
 112                 restart {
 113                         label = "Reset";
 114                         linux,code = <KEY_RESTART>;
 115                         gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
 116                 };
 117
 118                 /* Switch device mode? */
 119                 mode {
 120                         label = "Mode";
 121                         linux,code = <KEY_SETUP>;
 122                         gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
 123                 };
 124
 125                 eject {
 126                         label = "USB eject";
 127                         linux,code = <KEY_EJECTCD>;
 128                         gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
 129                 };
 130         };
 131 };