target/linux/ramips/dts/mt7621_comfast_cf-ew72-v2.dts

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2
   3 #include "mt7621.dtsi"
   4
   5 #include <dt-bindings/gpio/gpio.h>
   6 #include <dt-bindings/input/input.h>
   7 #include <dt-bindings/leds/common.h>
   8
   9 / {
  10         compatible = "comfast,cf-ew72-v2", "mediatek,mt7621-soc";
  11         model = "COMFAST CF-EW72 V2";
  12
  13         // There are at least two HW variants of cf-ew72-v2:
  14         // With external RAM chip and with integrated RAM (RAM chip not soldered).
  15         // Both act same.
  16
  17         chosen {
  18                 bootargs = "console=ttyS0,115200";
  19         };
  20
  21         keys {
  22                 compatible = "gpio-keys";
  23
  24                 reset {
  25                         label = "reset";
  26                         gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
  27                         linux,code = <KEY_RESTART>;
  28                         debounce-interval = <60>;
  29                 };
  30         };
  31
  32         leds {
  33                 compatible = "gpio-leds";
  34
  35                 // The only both visible and controllable indicator is wifi LED.
  36                 // CF-EW72 have 8 LEDs:
  37                 //  "wlan" is the only LED is controllable with GPIO and have proper hole in shell.
  38                 //  "power", "wan" and "lan" LEDs have proper holes in shell, but can not be controlled with GPIO
  39                 //  "hidden_led_2" and "hidden_led_4" can be controlled with GPIO, but have no proper holes in shell
  40                 //     "hidden_led_2" is between POWER and WAN LEDs
  41                 //     "hidden_led_4" is between WAN and LAN LEDs
  42                 //  "noconn_led_6" and "noconn_led_8" exist, but have no proper holes in shell and not controlled:
  43                 //     "noconn_led_6" is between LAN and WLAN LEDs
  44                 //     "noconn_led_8" is after WLAN LED
  45
  46                 // LED "hidden_led_2" between POWER and WAN LEDs is controllable with GPIO, but it has no proper hole in shell;
  47                 // LED "hidden_led_4" between WAN and LAN LEDs is controllable with GPIO, but it has no proper hole in shell;
  48
  49                 // TABLE of LEDs. All leds are blue.
  50                 //
  51                 // Place (WAN->ANT) | Num | GPIO | LED name (LuCI)   | Note
  52                 // -----------------|-----|-----------------------------------------------------------------------------------------
  53                 //            power | 1   |      |                   | POWER LED. Not controlled with GPIO.
  54                 //     hidden_led_2 | 2   | 13   | blue:hidden_led_2 | This LED does not have proper hole in shell.
  55                 //              wan | 3   |      |                   | WAN LED. Not controlled with GPIO.
  56                 //     hidden_led_4 | 4   | 16   | blue:hidden_led_4 | This LED does not have proper hole in shell.
  57                 //              lan | 5   |      |                   | LAN LED. Not controlled with GPIO.
  58                 //     noconn_led_6 | 6   |      |                   | Not controlled with GPIO, possibly not connected
  59                 //             wlan | 7   | 15   | blue:wlan         | WLAN LED. Wireless indicator.
  60                 //     noconn_led_8 | 8   |      |                   | Not controlled with GPIO, possibly not connected
  61
  62                 hidden_led_2_blue {
  63                         label = "blue:hidden_led_2";
  64                         gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
  65                 };
  66
  67                 hidden_led_4_blue {
  68                         label = "blue:hidden_led_4";
  69                         gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
  70                 };
  71
  72                 wlan_blue {
  73                         label = "blue:wlan";
  74                         gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
  75                 };
  76         };
  77
  78         aliases {
  79                 label-mac-device = &wan;
  80         };
  81 };
  82
  83 &spi0 {
  84         status = "okay";
  85
  86         flash@0 {
  87                 compatible = "w25q128";
  88                 reg = <0>;
  89                 spi-max-frequency = <10000000>;
  90                 m25p,fast-read;
  91                 partitions {
  92                         compatible = "fixed-partitions";
  93                         #address-cells = <1>;
  94                         #size-cells = <1>;
  95
  96                         partition@0 {
  97                                 label = "Bootloader";
  98                                 reg = <0x0 0x30000>;
  99                                 read-only;
 100                         };
 101
 102                         partition@30000 {
 103                                 label = "Config";
 104                                 reg = <0x30000 0x10000>;
 105                                 read-only;
 106                         };
 107
 108                         factory: partition@40000  {
 109                                 label = "factory";
 110                                 reg = <0x40000 0x10000>;
 111                                 read-only;
 112
 113                                 nvmem-layout {
 114                                         compatible = "fixed-layout";
 115                                         #address-cells = <1>;
 116                                         #size-cells = <1>;
 117
 118                                         eeprom_factory_0: eeprom@0 {
 119                                                 reg = <0x0 0x400>;
 120                                         };
 121
 122                                         eeprom_factory_8000: eeprom@8000 {
 123                                                 reg = <0x8000 0x4da8>;
 124                                         };
 125
 126                                         macaddr_factory_e000: macaddr@e000 {
 127                                                 compatible = "mac-base";
 128                                                 reg = <0xe000 0x6>;
 129                                                 #nvmem-cell-cells = <1>;
 130                                         };
 131
 132                                         // Serial number can be found in "factory" at 0xE100.
 133                                         //   it starts and ends with double quotes `"` and is ASCII string
 134                                 };
 135                         };
 136
 137                         partition@50000  {
 138                                 label = "firmware";
 139                                 compatible = "denx,uimage";
 140                                 reg = <0x50000 0xfb0000>;
 141                         };
 142                 };
 143         };
 144 };
 145
 146 &gpio {
 147         groups = "i2c", "uart2", "uart3", "sdhci", "jtag";
 148         function = "gpio";
 149 };
 150
 151 &gmac0 {
 152         nvmem-cells = <&macaddr_factory_e000 0>;
 153         nvmem-cell-names = "mac-address";
 154 };
 155
 156 &pcie {
 157         status = "okay";
 158 };
 159
 160 &pcie0 {
 161         wifi_2_4_ghz: wifi@0,0 {
 162                 compatible = "mediatek,mt76";
 163                 reg = <0x0000 0 0 0 0>;
 164                 nvmem-cells = <&eeprom_factory_0>;
 165                 nvmem-cell-names = "eeprom";
 166                 // Wi-Fi device reads it's MAC address from EEPROM (&factory + 4)
 167                 // adding anything related to mac-address here will cause use random MAC
 168         };
 169 };
 170
 171 &pcie1 {
 172         wifi_5_0_ghz: wifi@0,0 {
 173                 compatible = "mediatek,mt76";
 174                 reg = <0x0000 0 0 0 0>;
 175                 nvmem-cells = <&eeprom_factory_8000>;
 176                 nvmem-cell-names = "eeprom";
 177                 // Wi-Fi device reads it's MAC address from EEPROM, (&factory + 0x8000 + 4)
 178                 // adding anything related to mac-address here will cause use random MAC.
 179         };
 180 };
 181
 182 &pcie2 {
 183         status = "disabled";
 184 };
 185
 186 &switch0 {
 187         mediatek,mcm;
 188         ports {
 189                 wan: port@0 {
 190                         status = "okay";
 191                         label = "wan";
 192                         nvmem-cells = <&macaddr_factory_e000 1>;
 193                         nvmem-cell-names = "mac-address";
 194                 };
 195
 196                 lan: port@1 {
 197                         status = "okay";
 198                         label = "lan";
 199                         nvmem-cells = <&macaddr_factory_e000 0>;
 200                         nvmem-cell-names = "mac-address";
 201                 };
 202         };
 203 };