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         };
  24
  25         chosen {
  26                 linux,stdout-path = "/plb/opb/serial@ef600400";
  27         };
  28
  29 };
  30
  31
  32 &CRYPTO {
  33         status = "okay";
  34 };
  35
  36 &PKA {
  37         status = "okay";
  38 };
  39
  40 &TRNG {
  41         status = "okay";
  42 };
  43
  44 &EBC0 {
  45         /* Ikarem has 32MB of NAND */
  46         ndfc@1,0 {
  47                 status = "okay";
  48                 /* 32 MiB NAND Flash */
  49                 nand {
  50                         #address-cells = <1>;
  51                         #size-cells = <1>;
  52
  53                         partition@0 {
  54                                 label = "u-boot";
  55                                 reg = <0x00000000 0x00170000>;
  56                                 read-only;
  57                         };
  58
  59                         partition@170000 {
  60                                 label = "oops";
  61                                 reg = <0x00170000 0x00010000>;
  62                         };
  63
  64                         partition@180000 {
  65                                 label = "ubi";
  66                                 reg = <0x00180000 0x01e80000>;
  67                         };
  68                 };
  69         };
  70 };
  71
  72 &UART1 {
  73         status = "okay";
  74 };
  75
  76 &GPIO0 {
  77         status = "okay";
  78 };
  79
  80 &IIC0 {
  81         status = "okay";
  82         /* Boot ROM is at 0x52-0x53, do not touch */
  83         /* Unknown chip at 0x6e, not sure what it is */
  84 };
  85
  86 &EMAC0 {
  87         status = "okay";
  88 };
  89
  90 &POB0 {
  91         gpio-leds {
  92                 compatible = "gpio-leds";
  93
  94                 power-green {
  95                         label = "mr24:green:power";
  96                         gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
  97                 };
  98
  99                 power-orange {
 100                         label = "mr24:orange:power";
 101                         gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
 102                 };
 103
 104                 lan {
 105                         label = "mr24:green:wan";
 106                         gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
 107                 };
 108
 109                 ssi-0 {
 110                         label = "mr24:green:wifi1";
 111                         gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
 112                 };
 113
 114                 ssi-1 {
 115                         label = "mr24:green:wifi2";
 116                         gpios = <&GPIO0 22 GPIO_ACTIVE_LOW>;
 117                 };
 118
 119                 ssi-2 {
 120                         label = "mr24:green:wifi3";
 121                         gpios = <&GPIO0 21 GPIO_ACTIVE_LOW>;
 122                 };
 123
 124                 ssi-3 {
 125                         label = "mr24:green:wifi4";
 126                         gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
 127                 };
 128         };
 129
 130         gpio_keys_polled {
 131                 compatible = "gpio-keys-polled";
 132                 #address-cells = <1>;
 133                 #size-cells = <0>;
 134                 poll-interval = <60>;   /* 3 * 20 = 60ms */
 135                 autorepeat;
 136
 137                 button@1 {
 138                         label = "Reset button";
 139                         linux,code = <KEY_RESTART>;
 140                         gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
 141                 };
 142         };
 143 };
 144
 145 &PCIE0 {
 146         status = "okay";
 147 };
 148
 149 &MSI {
 150         status = "okay";
 151 };