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 <dt-bindings/leds/common.h>
  13 #include "apm82181.dtsi"
  14
  15 / {
  16         model = "Meraki MR24 Access Point";
  17         compatible = "meraki,mr24", "meraki,ikarem", "apm,bluestone";
  18
  19         aliases {
  20                 serial0 = &UART1;
  21         };
  22
  23         chosen {
  24                 stdout-path = "/plb/opb/serial@ef600400";
  25         };
  26 };
  27
  28
  29 &CRYPTO {
  30         status = "okay";
  31 };
  32
  33 &PKA {
  34         status = "okay";
  35 };
  36
  37 &TRNG {
  38         status = "okay";
  39 };
  40
  41 &ndfc {
  42         /* Ikarem has 32MB of NAND */
  43         status = "okay";
  44
  45         nand {
  46                 nand-is-boot-medium;
  47
  48                 partitions {
  49                         compatible = "fixed-partitions";
  50                         #address-cells = <1>;
  51                         #size-cells = <1>;
  52
  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                 led-0 {
 133                         color = <LED_COLOR_ID_GREEN>;
 134                         function = LED_FUNCTION_POWER;
 135                         gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
 136                 };
 137
 138                 led-1 {
 139                         color = <LED_COLOR_ID_AMBER>;
 140                         function = LED_FUNCTION_FAULT;
 141                         gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
 142                         panic-indicator;
 143                 };
 144
 145                 led-2 {
 146                         color = <LED_COLOR_ID_GREEN>;
 147                         function = LED_FUNCTION_WAN;
 148                         gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
 149                 };
 150
 151                 led-3 {
 152                         color = <LED_COLOR_ID_GREEN>;
 153                         function = LED_FUNCTION_WLAN;
 154                         function-enumerator = <0>;
 155                         gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
 156                 };
 157
 158                 led-4 {
 159                         color = <LED_COLOR_ID_GREEN>;
 160                         function = LED_FUNCTION_WLAN;
 161                         function-enumerator = <1>;
 162                         gpios = <&GPIO0 22 GPIO_ACTIVE_LOW>;
 163                 };
 164
 165                 led-5 {
 166                         color = <LED_COLOR_ID_GREEN>;
 167                         function = LED_FUNCTION_WLAN;
 168                         function-enumerator = <2>;
 169                         gpios = <&GPIO0 21 GPIO_ACTIVE_LOW>;
 170                 };
 171
 172                 led-6 {
 173                         color = <LED_COLOR_ID_GREEN>;
 174                         function = LED_FUNCTION_WLAN;
 175                         function-enumerator = <3>;
 176                         gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
 177                 };
 178         };
 179
 180         keys {
 181                 compatible = "gpio-keys";
 182
 183                 button-restart {
 184                         /* Label as per Meraki's "MR24 Installation Guide" */
 185                         label = "Factory Reset Button";
 186                         linux,code = <KEY_RESTART>;
 187                         interrupt-parent = <&UIC1>;
 188                         interrupts = <0x15 IRQ_TYPE_EDGE_FALLING>;
 189                         gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
 190                         debounce-interval = <60>;
 191                 };
 192         };
 193 };
 194
 195 &PCIE0 {
 196         status = "okay";
 197         /*
 198          * relevant lspci topology:
 199          *
 200          *      -+-[0000:40]---00.0-[41-7f]----00.0-[42-45]--+-02.0-[43]----00.0
 201          *                                                   +-03.0-[44]----00.0
 202          *
 203          */
 204
 205         bridge@64,0 {
 206                 reg = <0x00400000 0 0 0 0>;
 207                 #address-cells = <3>;
 208                 #size-cells = <2>;
 209                 ranges;
 210
 211                 bridge@65,0 {
 212                         /* IDT PES3T3 PCI Express Switch */
 213                         compatible = "pci111d,8039";
 214                         reg = <0x00410000 0 0 0 0>;
 215                         #address-cells = <3>;
 216                         #size-cells = <2>;
 217                         ranges;
 218
 219                         bridge@66,2 {
 220                                 compatible = "pci111d,8039";
 221                                 reg = <0x00421000 0 0 0 0>;
 222                                 #address-cells = <3>;
 223                                 #size-cells = <2>;
 224                                 ranges;
 225
 226                                 wifi0: wifi@67,0 {
 227                                         /* Atheros AR9380 2.4GHz */
 228                                         compatible = "pci168c,0030";
 229                                         reg = <0x00430000 0 0 0 0>;
 230                                         interrupts = <3>; /* INTC 4.1.1 */
 231                                 };
 232                         };
 233
 234                         bridge@66,3 {
 235                                 compatible = "pci111d,8039";
 236                                 reg = <0x00421800 0 0 0 0>;
 237                                 #address-cells = <3>;
 238                                 #size-cells = <2>;
 239                                 ranges;
 240
 241                                 wifi1: wifi@68,0 {
 242                                         /* Atheros AR9380 5GHz */
 243                                         compatible = "pci168c,0030";
 244                                         reg = <0x00440000 0 0 0 0>;
 245                                         interrupts = <4>; /* INTD 4.1.1 */
 246                                 };
 247                         };
 248                 };
 249         };
 250 };