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 #include "bcm5301x-nand-cs0-bch8.dtsi"
  14
  15 / {
  16         compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";
  17         model = "Buffalo WZR-1750DHP (BCM4708)";
  18
  19         chosen {
  20                 bootargs = "console=ttyS0,115200 earlycon";
  21         };
  22
  23         memory {
  24                 reg = <0x00000000 0x08000000
  25                        0x88000000 0x18000000>;
  26         };
  27
  28         spi {
  29                 compatible = "spi-gpio";
  30                 num-chipselects = <1>;
  31                 gpio-sck = <&chipcommon 7 0>;
  32                 gpio-mosi = <&chipcommon 4 0>;
  33                 cs-gpios = <&chipcommon 6 0>;
  34                 #address-cells = <1>;
  35                 #size-cells = <0>;
  36
  37                 hc595: gpio_spi@0 {
  38                         compatible = "fairchild,74hc595";
  39                         reg = <0>;
  40                         registers-number = <1>;
  41                         spi-max-frequency = <100000>;
  42
  43                         gpio-controller;
  44                         #gpio-cells = <2>;
  45
  46                 };
  47         };
  48
  49         leds {
  50                 compatible = "gpio-leds";
  51
  52                 usb {
  53                         label = "bcm53xx:blue:usb";
  54                         gpios = <&hc595 0 GPIO_ACTIVE_HIGH>;
  55                         linux,default-trigger = "default-off";
  56                 };
  57
  58                 power0 {
  59                         label = "bcm53xx:red:power";
  60                         gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
  61                         linux,default-trigger = "default-off";
  62                 };
  63
  64                 power1 {
  65                         label = "bcm53xx:white:power";
  66                         gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
  67                         linux,default-trigger = "default-on";
  68                 };
  69
  70                 router0 {
  71                         label = "bcm53xx:blue:router";
  72                         gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
  73                         linux,default-trigger = "default-on";
  74                 };
  75
  76                 router1 {
  77                         label = "bcm53xx:amber:router";
  78                         gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
  79                         linux,default-trigger = "default-off";
  80                 };
  81
  82                 wan {
  83                         label = "bcm53xx:blue:wan";
  84                         gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
  85                         linux,default-trigger = "default-on";
  86                 };
  87
  88                 wireless0 {
  89                         label = "bcm53xx:blue:wireless";
  90                         gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
  91                         linux,default-trigger = "default-off";
  92                 };
  93
  94                 wireless1 {
  95                         label = "bcm53xx:amber:wireless";
  96                         gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
  97                         linux,default-trigger = "default-off";
  98                 };
  99         };
 100
 101         gpio-keys {
 102                 compatible = "gpio-keys";
 103                 #address-cells = <1>;
 104                 #size-cells = <0>;
 105
 106                 restart {
 107                         label = "Reset";
 108                         linux,code = <KEY_RESTART>;
 109                         gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
 110                 };
 111
 112                 aoss {
 113                         label = "AOSS";
 114                         linux,code = <KEY_WPS_BUTTON>;
 115                         gpios = <&chipcommon 12 GPIO_ACTIVE_LOW>;
 116                 };
 117
 118                 /* Commit mode set by switch? */
 119                 mode {
 120                         label = "Mode";
 121                         linux,code = <KEY_SETUP>;
 122                         gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
 123                 };
 124
 125                 /* Switch: AP mode */
 126                 sw_ap {
 127                         label = "AP";
 128                         linux,code = <BTN_0>;
 129                         gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
 130                 };
 131
 132                 eject {
 133                         label = "USB eject";
 134                         linux,code = <KEY_EJECTCD>;
 135                         gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
 136                 };
 137         };
 138 };
 139
 140 &usb2 {
 141         vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>;
 142 };
 143
 144 &usb3 {
 145         vcc-gpio = <&chipcommon 10 GPIO_ACTIVE_LOW>;
 146 };
 147
 148 &spi_nor {
 149         status = "okay";
 150 };