target/linux/apm821xx/dts/meraki-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,mr24", "meraki,ikarem", "apm,bluestone";
  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                 stdout-path = "/plb/opb/serial@ef600400";
  31         };
  32 };
  33
  34
  35 &CRYPTO {
  36         status = "okay";
  37 };
  38
  39 &PKA {
  40         status = "okay";
  41 };
  42
  43 &TRNG {
  44         status = "okay";
  45 };
  46
  47 &EBC0 {
  48         /* Ikarem has 32MB of NAND */
  49         ndfc@1,0 {
  50                 status = "okay";
  51                 /* 32 MiB NAND Flash */
  52                 nand {
  53                         partition@0 {
  54                                 label = "u-boot";
  55                                 reg = <0x00000000 0x00150000>;
  56                                 read-only;
  57                         };
  58
  59                         partition@150000 {
  60                                 /*
  61                                  * The u-boot environment size is one NAND
  62                                  * block (16KiB). u-boot allocates four NAND
  63                                  * blocks (64KiB) in order to have spares
  64                                  * around for bad block management
  65                                  */
  66                                 label = "u-boot-env";
  67                                 reg = <0x00150000 0x00010000>;
  68                                 read-only;
  69                         };
  70
  71                         partition@160000 {
  72                                 /*
  73                                  * redundant u-boot environment.
  74                                  * has to be kept it in sync with the
  75                                  * data in "u-boot-env".
  76                                  */
  77                                 label = "u-boot-env-redundant";
  78                                 reg = <0x00160000 0x00010000>;
  79                                 read-only;
  80                         };
  81
  82                         partition@170000 {
  83                                 label = "oops";
  84                                 reg = <0x00170000 0x00010000>;
  85                         };
  86
  87                         partition@180000 {
  88                                 label = "ubi";
  89                                 reg = <0x00180000 0x01e80000>;
  90                         };
  91                 };
  92         };
  93 };
  94
  95 &UART1 {
  96         status = "okay";
  97 };
  98
  99 &GPIO0 {
 100         status = "okay";
 101 };
 102
 103 &IIC0 {
 104         status = "okay";
 105         /* Boot ROM is at 0x52-0x53, do not touch */
 106         /* Unknown chip at 0x6e, not sure what it is */
 107 };
 108
 109 &EMAC0 {
 110         status = "okay";
 111
 112         phy-mode = "rgmii-id";
 113         phy-map = <0x2>;
 114         phy-address = <0x1>;
 115         phy-handle = <&phy>;
 116
 117         mdio {
 118                 #address-cells = <1>;
 119                 #size-cells = <0>;
 120
 121                 phy: phy@1 {
 122                         compatible = "ethernet-phy-ieee802.3-c22";
 123                         reg = <1>;
 124                 };
 125         };
 126 };
 127
 128 &POB0 {
 129         leds {
 130                 compatible = "gpio-leds";
 131
 132                 status: power-green {
 133                         label = "mr24:green:power";
 134                         gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
 135                 };
 136
 137                 failsafe: power-orange {
 138                         label = "mr24:orange:power";
 139                         gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
 140                 };
 141
 142                 lan {
 143                         label = "mr24:green:wan";
 144                         gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
 145                 };
 146
 147                 ssi-0 {
 148                         label = "mr24:green:wifi1";
 149                         gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
 150                 };
 151
 152                 ssi-1 {
 153                         label = "mr24:green:wifi2";
 154                         gpios = <&GPIO0 22 GPIO_ACTIVE_LOW>;
 155                 };
 156
 157                 ssi-2 {
 158                         label = "mr24:green:wifi3";
 159                         gpios = <&GPIO0 21 GPIO_ACTIVE_LOW>;
 160                 };
 161
 162                 ssi-3 {
 163                         label = "mr24:green:wifi4";
 164                         gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
 165                 };
 166         };
 167
 168         keys {
 169                 compatible = "gpio-keys";
 170
 171                 reset {
 172                         /* Label as per Meraki's "MR24 Installation Guide" */
 173                         label = "Factory Reset Button";
 174                         linux,code = <KEY_RESTART>;
 175                         interrupt-parent = <&UIC1>;
 176                         interrupts = <0x15 IRQ_TYPE_EDGE_FALLING>;
 177                         gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
 178                         debounce-interval = <60>;
 179                 };
 180         };
 181 };
 182
 183 &PCIE0 {
 184         status = "okay";
 185         /*
 186          * relevant lspci topology:
 187          *
 188          *      -+-[0000:40]---00.0-[41-7f]----00.0-[42-45]--+-02.0-[43]----00.0
 189          *                                                   +-03.0-[44]----00.0
 190          *
 191          */
 192
 193         bridge@64,0 {
 194                 reg = <0x00400000 0 0 0 0>;
 195                 #address-cells = <3>;
 196                 #size-cells = <2>;
 197                 ranges;
 198
 199                 bridge@65,0 {
 200                         /* IDT PES3T3 PCI Express Switch */
 201                         compatible = "pci111d,8039";
 202                         reg = <0x00410000 0 0 0 0>;
 203                         #address-cells = <3>;
 204                         #size-cells = <2>;
 205                         ranges;
 206
 207                         bridge@66,2 {
 208                                 compatible = "pci111d,8039";
 209                                 reg = <0x00421000 0 0 0 0>;
 210                                 #address-cells = <3>;
 211                                 #size-cells = <2>;
 212                                 ranges;
 213
 214                                 wifi0: wifi@67,0 {
 215                                         /* Atheros AR9380 2.4GHz */
 216                                         compatible = "pci168c,0030";
 217                                         reg = <0x00430000 0 0 0 0>;
 218                                 };
 219                         };
 220
 221                         bridge@66,3 {
 222                                 compatible = "pci111d,8039";
 223                                 reg = <0x00421800 0 0 0 0>;
 224                                 #address-cells = <3>;
 225                                 #size-cells = <2>;
 226                                 ranges;
 227
 228                                 wifi1: wifi@68,0 {
 229                                         /* Atheros AR9380 5GHz */
 230                                         compatible = "pci168c,0030";
 231                                         reg = <0x00440000 0 0 0 0>;
 232                                 };
 233                         };
 234                 };
 235         };
 236 };
 237
 238 &MSI {
 239         status = "okay";
 240 };