target/linux/apm821xx/dts/MR24.dts

   1 /*
   2  * Device Tree Source for Meraki MR24 (Ikarem)
   3  *
   4  * Copyright (C) 2016 Chris Blake <chrisrblake93@gmail.com>
   5  *
   6  * Based on Cisco Meraki GPL Release r23-20150601 MR24 DTS
   7  *
   8  * This file is licensed under the terms of the GNU General Public
   9  * License version 2.  This program is licensed "as is" without
  10  * any warranty of any kind, whether express or implied.
  11  */
  12
  13 /dts-v1/;
  14
  15 #include "apm82181.dtsi"
  16
  17 / {
  18         model = "Meraki MR24 Access Point";
  19         compatible = "meraki,ikarem";
  20
  21         aliases {
  22                 serial0 = &UART1;
  23                 led-boot = &status;
  24                 led-failsafe = &failsafe;
  25                 led-running = &status;
  26                 led-upgrade = &status;
  27         };
  28
  29         chosen {
  30                 linux,stdout-path = "/plb/opb/serial@ef600400";
  31         };
  32
  33 };
  34
  35
  36 &CRYPTO {
  37         status = "okay";
  38 };
  39
  40 &PKA {
  41         status = "okay";
  42 };
  43
  44 &TRNG {
  45         status = "okay";
  46 };
  47
  48 &EBC0 {
  49         /* Ikarem has 32MB of NAND */
  50         ndfc@1,0 {
  51                 status = "okay";
  52                 /* 32 MiB NAND Flash */
  53                 nand {
  54                         #address-cells = <1>;
  55                         #size-cells = <1>;
  56
  57                         partition@0 {
  58                                 label = "u-boot";
  59                                 reg = <0x00000000 0x00170000>;
  60                                 read-only;
  61                         };
  62
  63                         partition@170000 {
  64                                 label = "oops";
  65                                 reg = <0x00170000 0x00010000>;
  66                         };
  67
  68                         partition@180000 {
  69                                 label = "ubi";
  70                                 reg = <0x00180000 0x01e80000>;
  71                         };
  72                 };
  73         };
  74 };
  75
  76 &UART1 {
  77         status = "okay";
  78 };
  79
  80 &GPIO0 {
  81         status = "okay";
  82 };
  83
  84 &IIC0 {
  85         status = "okay";
  86         /* Boot ROM is at 0x52-0x53, do not touch */
  87         /* Unknown chip at 0x6e, not sure what it is */
  88 };
  89
  90 &EMAC0 {
  91         status = "okay";
  92 };
  93
  94 &POB0 {
  95         gpio-leds {
  96                 compatible = "gpio-leds";
  97
  98                 status: power-green {
  99                         label = "mr24:green:power";
 100                         gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
 101                 };
 102
 103                 failsafe: power-orange {
 104                         label = "mr24:orange:power";
 105                         gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
 106                 };
 107
 108                 lan {
 109                         label = "mr24:green:wan";
 110                         gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
 111                 };
 112
 113                 ssi-0 {
 114                         label = "mr24:green:wifi1";
 115                         gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
 116                 };
 117
 118                 ssi-1 {
 119                         label = "mr24:green:wifi2";
 120                         gpios = <&GPIO0 22 GPIO_ACTIVE_LOW>;
 121                 };
 122
 123                 ssi-2 {
 124                         label = "mr24:green:wifi3";
 125                         gpios = <&GPIO0 21 GPIO_ACTIVE_LOW>;
 126                 };
 127
 128                 ssi-3 {
 129                         label = "mr24:green:wifi4";
 130                         gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
 131                 };
 132         };
 133
 134         gpio_keys_polled {
 135                 compatible = "gpio-keys-polled";
 136                 #address-cells = <1>;
 137                 #size-cells = <0>;
 138                 poll-interval = <60>;   /* 3 * 20 = 60ms */
 139                 autorepeat;
 140
 141                 button@1 {
 142                         label = "Reset button";
 143                         linux,code = <KEY_RESTART>;
 144                         gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
 145                 };
 146         };
 147 };
 148
 149 &PCIE0 {
 150         status = "okay";
 151 };
 152
 153 &MSI {
 154         status = "okay";
 155 };