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                         #address-cells = <1>;
  54                         #size-cells = <1>;
  55
  56                         partition@0 {
  57                                 label = "u-boot";
  58                                 reg = <0x00000000 0x00150000>;
  59                                 read-only;
  60                         };
  61
  62                         partition@150000 {
  63                                 /*
  64                                  * The u-boot environment size is one NAND
  65                                  * block (16KiB). u-boot allocates four NAND
  66                                  * blocks (64KiB) in order to have spares
  67                                  * around for bad block management
  68                                  */
  69                                 label = "u-boot-env";
  70                                 reg = <0x00150000 0x00010000>;
  71                                 read-only;
  72                         };
  73
  74                         partition@160000 {
  75                                 /*
  76                                  * redundant u-boot environment.
  77                                  * has to be kept it in sync with the
  78                                  * data in "u-boot-env".
  79                                  */
  80                                 label = "u-boot-env-redundant";
  81                                 reg = <0x00160000 0x00010000>;
  82                                 read-only;
  83                         };
  84
  85                         partition@170000 {
  86                                 label = "oops";
  87                                 reg = <0x00170000 0x00010000>;
  88                         };
  89
  90                         partition@180000 {
  91                                 label = "ubi";
  92                                 reg = <0x00180000 0x01e80000>;
  93                         };
  94                 };
  95         };
  96 };
  97
  98 &UART1 {
  99         status = "okay";
 100 };
 101
 102 &GPIO0 {
 103         status = "okay";
 104 };
 105
 106 &IIC0 {
 107         status = "okay";
 108         /* Boot ROM is at 0x52-0x53, do not touch */
 109         /* Unknown chip at 0x6e, not sure what it is */
 110 };
 111
 112 &EMAC0 {
 113         status = "okay";
 114
 115         phy-mode = "rgmii-id";
 116         phy-map = <0x2>;
 117         phy-address = <0x1>;
 118         phy-handle = <&phy>;
 119
 120         mdio {
 121                 #address-cells = <1>;
 122                 #size-cells = <0>;
 123
 124                 phy: phy@1 {
 125                         compatible = "ethernet-phy-ieee802.3-c22";
 126                         reg = <1>;
 127                 };
 128         };
 129 };
 130
 131 &POB0 {
 132         gpio-leds {
 133                 compatible = "gpio-leds";
 134
 135                 status: power-green {
 136                         label = "mr24:green:power";
 137                         gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
 138                 };
 139
 140                 failsafe: power-orange {
 141                         label = "mr24:orange:power";
 142                         gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
 143                 };
 144
 145                 lan {
 146                         label = "mr24:green:wan";
 147                         gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
 148                 };
 149
 150                 ssi-0 {
 151                         label = "mr24:green:wifi1";
 152                         gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
 153                 };
 154
 155                 ssi-1 {
 156                         label = "mr24:green:wifi2";
 157                         gpios = <&GPIO0 22 GPIO_ACTIVE_LOW>;
 158                 };
 159
 160                 ssi-2 {
 161                         label = "mr24:green:wifi3";
 162                         gpios = <&GPIO0 21 GPIO_ACTIVE_LOW>;
 163                 };
 164
 165                 ssi-3 {
 166                         label = "mr24:green:wifi4";
 167                         gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
 168                 };
 169         };
 170
 171         gpio_keys_polled {
 172                 compatible = "gpio-keys-polled";
 173                 #address-cells = <1>;
 174                 #size-cells = <0>;
 175                 poll-interval = <60>;   /* 3 * 20 = 60ms */
 176                 autorepeat;
 177
 178                 reset {
 179                         /* Label as per Meraki's "MR24 Installation Guide" */
 180                         label = "Factory Reset Button";
 181                         linux,code = <KEY_RESTART>;
 182                         gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
 183                 };
 184         };
 185 };
 186
 187 &PCIE0 {
 188         status = "okay";
 189 };
 190
 191 &MSI {
 192         status = "okay";
 193 };