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                         partition@0 {
  51                                 label = "u-boot";
  52                                 reg = <0x00000000 0x00150000>;
  53                                 read-only;
  54                         };
  55
  56                         partition@150000 {
  57                                 /*
  58                                  * The u-boot environment size is one NAND
  59                                  * block (16KiB). u-boot allocates four NAND
  60                                  * blocks (64KiB) in order to have spares
  61                                  * around for bad block management
  62                                  */
  63                                 label = "u-boot-env";
  64                                 reg = <0x00150000 0x00010000>;
  65                                 read-only;
  66                         };
  67
  68                         partition@160000 {
  69                                 /*
  70                                  * redundant u-boot environment.
  71                                  * has to be kept it in sync with the
  72                                  * data in "u-boot-env".
  73                                  */
  74                                 label = "u-boot-env-redundant";
  75                                 reg = <0x00160000 0x00010000>;
  76                                 read-only;
  77                         };
  78
  79                         partition@170000 {
  80                                 label = "oops";
  81                                 reg = <0x00170000 0x00010000>;
  82                         };
  83
  84                         partition@180000 {
  85                                 label = "ubi";
  86                                 reg = <0x00180000 0x01e80000>;
  87                         };
  88                 };
  89         };
  90 };
  91
  92 &UART1 {
  93         status = "okay";
  94 };
  95
  96 &GPIO0 {
  97         status = "okay";
  98 };
  99
 100 &IIC0 {
 101         status = "okay";
 102         /* Boot ROM is at 0x52-0x53, do not touch */
 103         /* Unknown chip at 0x6e, not sure what it is */
 104 };
 105
 106 &EMAC0 {
 107         status = "okay";
 108
 109         phy-mode = "rgmii-id";
 110         phy-map = <0x2>;
 111         phy-address = <0x1>;
 112         phy-handle = <&phy>;
 113
 114         mdio {
 115                 #address-cells = <1>;
 116                 #size-cells = <0>;
 117
 118                 phy: phy@1 {
 119                         compatible = "ethernet-phy-ieee802.3-c22";
 120                         reg = <1>;
 121                 };
 122         };
 123 };
 124
 125 &POB0 {
 126         leds {
 127                 compatible = "gpio-leds";
 128
 129                 status: power-green {
 130                         label = "mr24:green:power";
 131                         gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
 132                 };
 133
 134                 failsafe: power-orange {
 135                         label = "mr24:orange:power";
 136                         gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
 137                 };
 138
 139                 lan {
 140                         label = "mr24:green:wan";
 141                         gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
 142                 };
 143
 144                 ssi-0 {
 145                         label = "mr24:green:wifi1";
 146                         gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
 147                 };
 148
 149                 ssi-1 {
 150                         label = "mr24:green:wifi2";
 151                         gpios = <&GPIO0 22 GPIO_ACTIVE_LOW>;
 152                 };
 153
 154                 ssi-2 {
 155                         label = "mr24:green:wifi3";
 156                         gpios = <&GPIO0 21 GPIO_ACTIVE_LOW>;
 157                 };
 158
 159                 ssi-3 {
 160                         label = "mr24:green:wifi4";
 161                         gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
 162                 };
 163         };
 164
 165         keys {
 166                 compatible = "gpio-keys";
 167
 168                 reset {
 169                         /* Label as per Meraki's "MR24 Installation Guide" */
 170                         label = "Factory Reset Button";
 171                         linux,code = <KEY_RESTART>;
 172                         interrupt-parent = <&UIC1>;
 173                         interrupts = <0x15 IRQ_TYPE_EDGE_FALLING>;
 174                         gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
 175                         debounce-interval = <60>;
 176                 };
 177         };
 178 };
 179
 180 &PCIE0 {
 181         status = "okay";
 182         /*
 183          * relevant lspci topology:
 184          *
 185          *      -+-[0000:40]---00.0-[41-7f]----00.0-[42-45]--+-02.0-[43]----00.0
 186          *                                                   +-03.0-[44]----00.0
 187          *
 188          */
 189
 190         bridge@64,0 {
 191                 reg = <0x00400000 0 0 0 0>;
 192                 #address-cells = <3>;
 193                 #size-cells = <2>;
 194                 ranges;
 195
 196                 bridge@65,0 {
 197                         /* IDT PES3T3 PCI Express Switch */
 198                         compatible = "pci111d,8039";
 199                         reg = <0x00410000 0 0 0 0>;
 200                         #address-cells = <3>;
 201                         #size-cells = <2>;
 202                         ranges;
 203
 204                         bridge@66,2 {
 205                                 compatible = "pci111d,8039";
 206                                 reg = <0x00421000 0 0 0 0>;
 207                                 #address-cells = <3>;
 208                                 #size-cells = <2>;
 209                                 ranges;
 210
 211                                 wifi0: wifi@67,0 {
 212                                         /* Atheros AR9380 2.4GHz */
 213                                         compatible = "pci168c,0030";
 214                                         reg = <0x00430000 0 0 0 0>;
 215                                         interrupts = <3>; /* INTC 4.1.1 */
 216                                 };
 217                         };
 218
 219                         bridge@66,3 {
 220                                 compatible = "pci111d,8039";
 221                                 reg = <0x00421800 0 0 0 0>;
 222                                 #address-cells = <3>;
 223                                 #size-cells = <2>;
 224                                 ranges;
 225
 226                                 wifi1: wifi@68,0 {
 227                                         /* Atheros AR9380 5GHz */
 228                                         compatible = "pci168c,0030";
 229                                         reg = <0x00440000 0 0 0 0>;
 230                                         interrupts = <4>; /* INTD 4.1.1 */
 231                                 };
 232                         };
 233                 };
 234         };
 235 };
 236
 237 &MSI {
 238         status = "okay";
 239 };