target/linux/apm821xx/dts/meraki-mr24.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Device Tree Source for Meraki MR24 (Ikarem)
   4  *
   5  * Copyright (C) 2016 Chris Blake <chrisrblake93@gmail.com>
   6  *
   7  * Based on Cisco Meraki GPL Release r23-20150601 MR24 DTS
   8  */
   9
  10 /dts-v1/;
  11
  12 #include "apm82181.dtsi"
  13
  14 / {
  15         model = "Meraki MR24 Access Point";
  16         compatible = "meraki,mr24", "meraki,ikarem", "apm,bluestone";
  17
  18         aliases {
  19                 serial0 = &UART1;
  20                 led-boot = &status;
  21                 led-failsafe = &failsafe;
  22                 led-running = &status;
  23                 led-upgrade = &status;
  24         };
  25
  26         chosen {
  27                 stdout-path = "/plb/opb/serial@ef600400";
  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                         nand-is-boot-medium;
  51
  52                         partition@0 {
  53                                 label = "u-boot";
  54                                 reg = <0x00000000 0x00150000>;
  55                                 read-only;
  56                         };
  57
  58                         partition@150000 {
  59                                 /*
  60                                  * The u-boot environment size is one NAND
  61                                  * block (16KiB). u-boot allocates four NAND
  62                                  * blocks (64KiB) in order to have spares
  63                                  * around for bad block management
  64                                  */
  65                                 label = "u-boot-env";
  66                                 reg = <0x00150000 0x00010000>;
  67                                 read-only;
  68                         };
  69
  70                         partition@160000 {
  71                                 /*
  72                                  * redundant u-boot environment.
  73                                  * has to be kept it in sync with the
  74                                  * data in "u-boot-env".
  75                                  */
  76                                 label = "u-boot-env-redundant";
  77                                 reg = <0x00160000 0x00010000>;
  78                                 read-only;
  79                         };
  80
  81                         partition@170000 {
  82                                 label = "oops";
  83                                 reg = <0x00170000 0x00010000>;
  84                         };
  85
  86                         partition@180000 {
  87                                 label = "ubi";
  88                                 reg = <0x00180000 0x01e80000>;
  89                         };
  90                 };
  91         };
  92 };
  93
  94 &UART1 {
  95         status = "okay";
  96 };
  97
  98 &GPIO0 {
  99         status = "okay";
 100 };
 101
 102 &IIC0 {
 103         status = "okay";
 104         /* Boot ROM is at 0x52-0x53, do not touch */
 105         /* Unknown chip at 0x6e, not sure what it is */
 106 };
 107
 108 &EMAC0 {
 109         status = "okay";
 110
 111         phy-mode = "rgmii-id";
 112         phy-map = <0x2>;
 113         phy-address = <0x1>;
 114         phy-handle = <&phy>;
 115
 116         mdio {
 117                 #address-cells = <1>;
 118                 #size-cells = <0>;
 119
 120                 phy: phy@1 {
 121                         compatible = "ethernet-phy-ieee802.3-c22";
 122                         reg = <1>;
 123                 };
 124         };
 125 };
 126
 127 &POB0 {
 128         leds {
 129                 compatible = "gpio-leds";
 130
 131                 status: power-green {
 132                         label = "mr24:green:power";
 133                         gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
 134                 };
 135
 136                 failsafe: power-orange {
 137                         label = "mr24:orange:power";
 138                         gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
 139                 };
 140
 141                 lan {
 142                         label = "mr24:green:wan";
 143                         gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
 144                 };
 145
 146                 ssi-0 {
 147                         label = "mr24:green:wifi1";
 148                         gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
 149                 };
 150
 151                 ssi-1 {
 152                         label = "mr24:green:wifi2";
 153                         gpios = <&GPIO0 22 GPIO_ACTIVE_LOW>;
 154                 };
 155
 156                 ssi-2 {
 157                         label = "mr24:green:wifi3";
 158                         gpios = <&GPIO0 21 GPIO_ACTIVE_LOW>;
 159                 };
 160
 161                 ssi-3 {
 162                         label = "mr24:green:wifi4";
 163                         gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
 164                 };
 165         };
 166
 167         keys {
 168                 compatible = "gpio-keys";
 169
 170                 reset {
 171                         /* Label as per Meraki's "MR24 Installation Guide" */
 172                         label = "Factory Reset Button";
 173                         linux,code = <KEY_RESTART>;
 174                         interrupt-parent = <&UIC1>;
 175                         interrupts = <0x15 IRQ_TYPE_EDGE_FALLING>;
 176                         gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
 177                         debounce-interval = <60>;
 178                 };
 179         };
 180 };
 181
 182 &PCIE0 {
 183         status = "okay";
 184         /*
 185          * relevant lspci topology:
 186          *
 187          *      -+-[0000:40]---00.0-[41-7f]----00.0-[42-45]--+-02.0-[43]----00.0
 188          *                                                   +-03.0-[44]----00.0
 189          *
 190          */
 191
 192         bridge@64,0 {
 193                 reg = <0x00400000 0 0 0 0>;
 194                 #address-cells = <3>;
 195                 #size-cells = <2>;
 196                 ranges;
 197
 198                 bridge@65,0 {
 199                         /* IDT PES3T3 PCI Express Switch */
 200                         compatible = "pci111d,8039";
 201                         reg = <0x00410000 0 0 0 0>;
 202                         #address-cells = <3>;
 203                         #size-cells = <2>;
 204                         ranges;
 205
 206                         bridge@66,2 {
 207                                 compatible = "pci111d,8039";
 208                                 reg = <0x00421000 0 0 0 0>;
 209                                 #address-cells = <3>;
 210                                 #size-cells = <2>;
 211                                 ranges;
 212
 213                                 wifi0: wifi@67,0 {
 214                                         /* Atheros AR9380 2.4GHz */
 215                                         compatible = "pci168c,0030";
 216                                         reg = <0x00430000 0 0 0 0>;
 217                                         interrupts = <3>; /* INTC 4.1.1 */
 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                                         interrupts = <4>; /* INTD 4.1.1 */
 233                                 };
 234                         };
 235                 };
 236         };
 237 };
 238
 239 &MSI {
 240         status = "okay";
 241 };