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 0x00170000>;
  59                                 read-only;
  60                         };
  61
  62                         partition@170000 {
  63                                 label = "oops";
  64                                 reg = <0x00170000 0x00010000>;
  65                         };
  66
  67                         partition@180000 {
  68                                 label = "ubi";
  69                                 reg = <0x00180000 0x01e80000>;
  70                         };
  71                 };
  72         };
  73 };
  74
  75 &UART1 {
  76         status = "okay";
  77 };
  78
  79 &GPIO0 {
  80         status = "okay";
  81 };
  82
  83 &IIC0 {
  84         status = "okay";
  85         /* Boot ROM is at 0x52-0x53, do not touch */
  86         /* Unknown chip at 0x6e, not sure what it is */
  87 };
  88
  89 &EMAC0 {
  90         status = "okay";
  91
  92         phy-mode = "rgmii-id";
  93         phy-map = <0x2>;
  94         phy-address = <0x1>;
  95         phy-handle = <&phy>;
  96
  97         mdio {
  98                 #address-cells = <1>;
  99                 #size-cells = <0>;
 100
 101                 phy: phy@1 {
 102                         compatible = "ethernet-phy-ieee802.3-c22";
 103                         reg = <1>;
 104                 };
 105         };
 106 };
 107
 108 &POB0 {
 109         gpio-leds {
 110                 compatible = "gpio-leds";
 111
 112                 status: power-green {
 113                         label = "mr24:green:power";
 114                         gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
 115                 };
 116
 117                 failsafe: power-orange {
 118                         label = "mr24:orange:power";
 119                         gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
 120                 };
 121
 122                 lan {
 123                         label = "mr24:green:wan";
 124                         gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
 125                 };
 126
 127                 ssi-0 {
 128                         label = "mr24:green:wifi1";
 129                         gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
 130                 };
 131
 132                 ssi-1 {
 133                         label = "mr24:green:wifi2";
 134                         gpios = <&GPIO0 22 GPIO_ACTIVE_LOW>;
 135                 };
 136
 137                 ssi-2 {
 138                         label = "mr24:green:wifi3";
 139                         gpios = <&GPIO0 21 GPIO_ACTIVE_LOW>;
 140                 };
 141
 142                 ssi-3 {
 143                         label = "mr24:green:wifi4";
 144                         gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
 145                 };
 146         };
 147
 148         gpio_keys_polled {
 149                 compatible = "gpio-keys-polled";
 150                 #address-cells = <1>;
 151                 #size-cells = <0>;
 152                 poll-interval = <60>;   /* 3 * 20 = 60ms */
 153                 autorepeat;
 154
 155                 reset {
 156                         /* Label as per Meraki's "MR24 Installation Guide" */
 157                         label = "Factory Reset Button";
 158                         linux,code = <KEY_RESTART>;
 159                         gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
 160                 };
 161         };
 162 };
 163
 164 &PCIE0 {
 165         status = "okay";
 166 };
 167
 168 &MSI {
 169         status = "okay";
 170 };