arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts

   1 /*
   2  * Broadcom BCM470X / BCM5301X ARM platform code.
   3  * DTS for Buffalo WZR-1750DHP
   4  *
   5  * Copyright (C) 2014 Rafał Miłecki <zajec5@gmail.com>
   6  *
   7  * Licensed under the GNU/GPL. See COPYING for details.
   8  */
   9
  10 /dts-v1/;
  11
  12 #include "bcm4708.dtsi"
  13
  14 / {
  15         compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";
  16         model = "Buffalo WZR-1750DHP (BCM4708)";
  17
  18         chosen {
  19                 bootargs = "console=ttyS0,115200";
  20         };
  21
  22         memory {
  23                 reg = <0x00000000 0x08000000>;
  24         };
  25
  26         spi {
  27                 compatible = "spi-gpio";
  28                 num-chipselects = <1>;
  29                 gpio-sck = <&chipcommon 7 0>;
  30                 gpio-mosi = <&chipcommon 4 0>;
  31                 cs-gpios = <&chipcommon 6 0>;
  32                 #address-cells = <1>;
  33                 #size-cells = <0>;
  34
  35                 hc595: gpio_spi@0 {
  36                         compatible = "fairchild,74hc595";
  37                         reg = <0>;
  38                         registers-number = <1>;
  39                         spi-max-frequency = <100000>;
  40
  41                         gpio-controller;
  42                         #gpio-cells = <2>;
  43
  44                 };
  45         };
  46
  47         leds {
  48                 compatible = "gpio-leds";
  49
  50                 power0 {
  51                         label = "bcm53xx:red:power";
  52                         gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
  53                         linux,default-trigger = "default-off";
  54                 };
  55
  56                 power1 {
  57                         label = "bcm53xx:white:power";
  58                         gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
  59                         linux,default-trigger = "default-on";
  60                 };
  61
  62                 router0 {
  63                         label = "bcm53xx:blue:router";
  64                         gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
  65                         linux,default-trigger = "default-on";
  66                 };
  67
  68                 router1 {
  69                         label = "bcm53xx:amber:router";
  70                         gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
  71                         linux,default-trigger = "default-off";
  72                 };
  73
  74                 wan {
  75                         label = "bcm53xx:blue:wan";
  76                         gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
  77                         linux,default-trigger = "default-on";
  78                 };
  79
  80                 wireless0 {
  81                         label = "bcm53xx:blue:wireless";
  82                         gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
  83                         linux,default-trigger = "default-off";
  84                 };
  85
  86                 wireless1 {
  87                         label = "bcm53xx:amber:wireless";
  88                         gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
  89                         linux,default-trigger = "default-off";
  90                 };
  91         };
  92
  93         gpio-keys {
  94                 compatible = "gpio-keys";
  95                 #address-cells = <1>;
  96                 #size-cells = <0>;
  97
  98                 restart {
  99                         label = "Reset";
 100                         linux,code = <KEY_RESTART>;
 101                         gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
 102                 };
 103
 104                 aoss {
 105                         label = "AOSS";
 106                         linux,code = <KEY_WPS_BUTTON>;
 107                         gpios = <&chipcommon 12 GPIO_ACTIVE_LOW>;
 108                 };
 109
 110                 /* Commit mode set by switch? */
 111                 mode {
 112                         label = "Mode";
 113                         linux,code = <KEY_SETUP>;
 114                         gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
 115                 };
 116
 117                 /* Switch: AP mode */
 118                 sw_ap {
 119                         label = "AP";
 120                         linux,code = <BTN_0>;
 121                         gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
 122                 };
 123
 124                 eject {
 125                         label = "USB eject";
 126                         linux,code = <KEY_EJECTCD>;
 127                         gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
 128                 };
 129         };
 130 };