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                                 compatible = "u-boot,env";
  68                                 reg = <0x00150000 0x00010000>;
  69                                 read-only;
  70                         };
  71
  72                         partition@160000 {
  73                                 /*
  74                                  * redundant u-boot environment.
  75                                  * has to be kept it in sync with the
  76                                  * data in "u-boot-env".
  77                                  */
  78                                 label = "u-boot-env-redundant";
  79                                 reg = <0x00160000 0x00010000>;
  80                                 read-only;
  81                         };
  82
  83                         partition@170000 {
  84                                 label = "oops";
  85                                 reg = <0x00170000 0x00010000>;
  86                         };
  87
  88                         partition@180000 {
  89                                 label = "ubi";
  90                                 reg = <0x00180000 0x01e80000>;
  91                         };
  92                 };
  93         };
  94 };
  95
  96 &UART1 {
  97         status = "okay";
  98 };
  99
 100 &GPIO0 {
 101         status = "okay";
 102 };
 103
 104 &IIC0 {
 105         status = "okay";
 106         /* Boot ROM is at 0x52-0x53, do not touch */
 107         /* Unknown chip at 0x6e, not sure what it is */
 108 };
 109
 110 &EMAC0 {
 111         status = "okay";
 112
 113         phy-mode = "rgmii-id";
 114         phy-map = <0x2>;
 115         phy-address = <0x1>;
 116         phy-handle = <&phy>;
 117
 118         mdio {
 119                 #address-cells = <1>;
 120                 #size-cells = <0>;
 121
 122                 phy: phy@1 {
 123                         compatible = "ethernet-phy-ieee802.3-c22";
 124                         reg = <1>;
 125                 };
 126         };
 127 };
 128
 129 &POB0 {
 130         leds {
 131                 compatible = "gpio-leds";
 132
 133                 led-0 {
 134                         color = <LED_COLOR_ID_GREEN>;
 135                         function = LED_FUNCTION_POWER;
 136                         gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
 137                 };
 138
 139                 led-1 {
 140                         color = <LED_COLOR_ID_AMBER>;
 141                         function = LED_FUNCTION_FAULT;
 142                         gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
 143                         panic-indicator;
 144                 };
 145
 146                 led-2 {
 147                         color = <LED_COLOR_ID_GREEN>;
 148                         function = LED_FUNCTION_WAN;
 149                         gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
 150                 };
 151
 152                 led-3 {
 153                         color = <LED_COLOR_ID_GREEN>;
 154                         function = LED_FUNCTION_WLAN;
 155                         function-enumerator = <0>;
 156                         gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
 157                 };
 158
 159                 led-4 {
 160                         color = <LED_COLOR_ID_GREEN>;
 161                         function = LED_FUNCTION_WLAN;
 162                         function-enumerator = <1>;
 163                         gpios = <&GPIO0 22 GPIO_ACTIVE_LOW>;
 164                 };
 165
 166                 led-5 {
 167                         color = <LED_COLOR_ID_GREEN>;
 168                         function = LED_FUNCTION_WLAN;
 169                         function-enumerator = <2>;
 170                         gpios = <&GPIO0 21 GPIO_ACTIVE_LOW>;
 171                 };
 172
 173                 led-6 {
 174                         color = <LED_COLOR_ID_GREEN>;
 175                         function = LED_FUNCTION_WLAN;
 176                         function-enumerator = <3>;
 177                         gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
 178                 };
 179         };
 180
 181         keys {
 182                 compatible = "gpio-keys";
 183
 184                 button-restart {
 185                         /* Label as per Meraki's "MR24 Installation Guide" */
 186                         label = "Factory Reset Button";
 187                         linux,code = <KEY_RESTART>;
 188                         interrupt-parent = <&UIC1>;
 189                         interrupts = <0x15 IRQ_TYPE_EDGE_FALLING>;
 190                         gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
 191                         debounce-interval = <60>;
 192                 };
 193         };
 194 };
 195
 196 &PCIE0 {
 197         status = "okay";
 198         /*
 199          * relevant lspci topology:
 200          *
 201          *      -+-[0000:40]---00.0-[41-7f]----00.0-[42-45]--+-02.0-[43]----00.0
 202          *                                                   +-03.0-[44]----00.0
 203          *
 204          */
 205
 206         bridge@64,0 {
 207                 reg = <0x00400000 0 0 0 0>;
 208                 #address-cells = <3>;
 209                 #size-cells = <2>;
 210                 ranges;
 211
 212                 bridge@65,0 {
 213                         /* IDT PES3T3 PCI Express Switch */
 214                         compatible = "pci111d,8039";
 215                         reg = <0x00410000 0 0 0 0>;
 216                         #address-cells = <3>;
 217                         #size-cells = <2>;
 218                         ranges;
 219
 220                         bridge@66,2 {
 221                                 compatible = "pci111d,8039";
 222                                 reg = <0x00421000 0 0 0 0>;
 223                                 #address-cells = <3>;
 224                                 #size-cells = <2>;
 225                                 ranges;
 226
 227                                 wifi0: wifi@67,0 {
 228                                         /* Atheros AR9380 2.4GHz */
 229                                         compatible = "pci168c,0030";
 230                                         reg = <0x00430000 0 0 0 0>;
 231                                         interrupts = <3>; /* INTC 4.1.1 */
 232                                 };
 233                         };
 234
 235                         bridge@66,3 {
 236                                 compatible = "pci111d,8039";
 237                                 reg = <0x00421800 0 0 0 0>;
 238                                 #address-cells = <3>;
 239                                 #size-cells = <2>;
 240                                 ranges;
 241
 242                                 wifi1: wifi@68,0 {
 243                                         /* Atheros AR9380 5GHz */
 244                                         compatible = "pci168c,0030";
 245                                         reg = <0x00440000 0 0 0 0>;
 246                                         interrupts = <4>; /* INTD 4.1.1 */
 247                                 };
 248                         };
 249                 };
 250         };
 251 };