arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2 /*
   3  * Broadcom BCM470X / BCM5301X ARM platform code.
   4  * DTS for Buffalo WZR-900DHP
   5  *
   6  * Copyright (C) 2015 Rafał Miłecki <zajec5@gmail.com>
   7  */
   8
   9 /dts-v1/;
  10
  11 #include "bcm47081.dtsi"
  12 #include "bcm5301x-nand-cs0-bch8.dtsi"
  13
  14 / {
  15         compatible = "buffalo,wzr-900dhp", "brcm,bcm47081", "brcm,bcm4708";
  16         model = "Buffalo WZR-900DHP (BCM47081)";
  17
  18         chosen {
  19                 bootargs = "console=ttyS0,115200";
  20         };
  21
  22         memory {
  23                 reg = <0x00000000 0x08000000
  24                        0x88000000 0x08000000>;
  25         };
  26
  27         spi {
  28                 compatible = "spi-gpio";
  29                 num-chipselects = <1>;
  30                 gpio-sck = <&chipcommon 7 0>;
  31                 gpio-mosi = <&chipcommon 4 0>;
  32                 cs-gpios = <&chipcommon 6 0>;
  33                 #address-cells = <1>;
  34                 #size-cells = <0>;
  35
  36                 hc595: gpio_spi@0 {
  37                         compatible = "fairchild,74hc595";
  38                         reg = <0>;
  39                         registers-number = <1>;
  40                         spi-max-frequency = <100000>;
  41
  42                         gpio-controller;
  43                         #gpio-cells = <2>;
  44
  45                 };
  46         };
  47
  48         leds {
  49                 compatible = "gpio-leds";
  50
  51                 usb {
  52                         label = "bcm53xx:green:usb";
  53                         gpios = <&hc595 0 GPIO_ACTIVE_HIGH>;
  54                 };
  55
  56                 power0 {
  57                         label = "bcm53xx:green:power";
  58                         gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
  59                         linux,default-trigger = "default-on";
  60                 };
  61
  62                 power1 {
  63                         label = "bcm53xx:red:power";
  64                         gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
  65                 };
  66
  67                 router0 {
  68                         label = "bcm53xx:green:router";
  69                         gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
  70                         linux,default-trigger = "default-on";
  71                 };
  72
  73                 router1 {
  74                         label = "bcm53xx:amber:router";
  75                         gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
  76                 };
  77
  78                 wan {
  79                         label = "bcm53xx:green:wan";
  80                         gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
  81                         linux,default-trigger = "default-on";
  82                 };
  83
  84                 wireless0 {
  85                         label = "bcm53xx:green:wireless";
  86                         gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
  87                 };
  88
  89                 wireless1 {
  90                         label = "bcm53xx:amber:wireless";
  91                         gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
  92                 };
  93         };
  94
  95         gpio-keys {
  96                 compatible = "gpio-keys";
  97                 #address-cells = <1>;
  98                 #size-cells = <0>;
  99
 100                 restart {
 101                         label = "Reset";
 102                         linux,code = <KEY_RESTART>;
 103                         gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
 104                 };
 105         };
 106 };