target/linux/ramips/dts/mt7621_ampedwireless_ally.dtsi

   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         aliases {
  11                 led-boot = &led_status_amber;
  12                 led-failsafe = &led_status_amber;
  13                 led-running = &led_status_green;
  14                 led-upgrade = &led_status_red;
  15         };
  16
  17         keys {
  18                 compatible = "gpio-keys";
  19
  20                 led_switch {
  21                         label = "led_switch";
  22                         gpios = <&gpio 13 GPIO_ACTIVE_HIGH>;
  23                         linux,code = <KEY_LIGHTS_TOGGLE>;
  24                         linux,input-type = <EV_SW>;
  25                 };
  26
  27                 reset {
  28                         label = "reset";
  29                         gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
  30                         linux,code = <KEY_RESTART>;
  31                 };
  32
  33                 wps {
  34                         label = "wps";
  35                         gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
  36                         linux,code = <KEY_WPS_BUTTON>;
  37                 };
  38         };
  39
  40         leds {
  41                 compatible = "gpio-leds";
  42
  43                 led_status_green: status_green {
  44                         function = LED_FUNCTION_STATUS;
  45                         color = <LED_COLOR_ID_GREEN>;
  46                         gpios = <&gpio 7 GPIO_ACTIVE_HIGH>;
  47                 };
  48
  49                 led_status_red: status_red {
  50                         function = LED_FUNCTION_STATUS;
  51                         color = <LED_COLOR_ID_RED>;
  52                         gpios = <&gpio 12 GPIO_ACTIVE_HIGH>;
  53                 };
  54
  55                 led_status_amber: status_amber {
  56                         function = LED_FUNCTION_STATUS;
  57                         color = <LED_COLOR_ID_AMBER>;
  58                         gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;
  59                 };
  60         };
  61 };
  62
  63 &pcie {
  64         status = "okay";
  65 };
  66
  67 &pcie0 {
  68         wifi@0,0 {
  69                 compatible = "pci14c3,7615";
  70                 reg = <0x0000 0 0 0 0>;
  71                 nvmem-cells = <&eeprom_factory_0>;
  72                 nvmem-cell-names = "eeprom";
  73                 ieee80211-freq-limit = <2400000 2500000>;
  74         };
  75 };
  76
  77 &pcie1 {
  78         wifi@0,0 {
  79                 compatible = "pci14c3,7615";
  80                 reg = <0x0000 0 0 0 0>;
  81                 nvmem-cells = <&eeprom_factory_8000>;
  82                 nvmem-cell-names = "eeprom";
  83                 ieee80211-freq-limit = <5000000 6000000>;
  84         };
  85 };
  86
  87 &state_default {
  88         gpio {
  89                 groups = "uart2", "uart3", "jtag", "wdt";
  90                 function = "gpio";
  91         };
  92 };
  93
  94 &nand {
  95         status = "okay";
  96
  97         partitions {
  98                 compatible = "fixed-partitions";
  99                 #address-cells = <1>;
 100                 #size-cells = <1>;
 101
 102                 partition@0 {
 103                         label = "u-boot";
 104                         reg = <0x0 0x80000>;
 105                         read-only;
 106                 };
 107
 108                 partition@80000 {
 109                         label = "u-boot-env";
 110                         reg = <0x80000 0x80000>;
 111                 };
 112
 113                 partition@100000 {
 114                         label = "factory";
 115                         reg = <0x100000 0x40000>;
 116                         read-only;
 117
 118                         nvmem-layout {
 119                                 compatible = "fixed-layout";
 120                                 #address-cells = <1>;
 121                                 #size-cells = <1>;
 122
 123                                 eeprom_factory_0: eeprom@0 {
 124                                         reg = <0x0 0x4da8>;
 125                                 };
 126
 127                                 eeprom_factory_8000: eeprom@8000 {
 128                                         reg = <0x8000 0x4da8>;
 129                                 };
 130                         };
 131                 };
 132
 133                 /*
 134                  * uboot expects to find kernels at 0x140000 & 0x2140000,
 135                  * referred to as Uimage & Uimage1 in factory FW, respectively.
 136                  * U-boot variable 'bootImage' controls which is booted;
 137                  * 0 for the first, 1 for the 2nd.
 138                  * There's a 3rd partition, Uimage2 (0x4140000), which
 139                  * I expected to be a recovery image, but is actually blank.
 140                  *
 141                  * A kernel is considered suitable for handing control over
 142                  * if its linux magic number exists & uImage CRC are correct.
 143                  * If either of those conditions fail, 'bootImage' value
 144                  * is toggled in uboot env & a restart performed in the hope that the
 145                  * alternate kernel is okay.
 146                  *
 147                  * Note uboot's tftp flash install writes the transferred
 148                  * image to the active kernel partition.
 149                  */
 150
 151                 partition@140000 {
 152                         label = "kernel";
 153                         reg = <0x140000 0x400000>;
 154                 };
 155
 156                 partition@540000 {
 157                         label = "ubi";
 158                         reg = <0x540000 0x1c00000>;
 159                 };
 160
 161                 partition@2140000 {
 162                         label = "oem";
 163                         reg = <0x2140000 0x2000000>;
 164                 };
 165
 166                 partition@4140000 {
 167                         label = "backup";
 168                         reg = <0x4140000 0x2000000>;
 169                 };
 170
 171                 partition@6140000 {
 172                         label = "chime";
 173                         reg = <0x6140000 0xa00000>;
 174                 };
 175
 176                 partition@6b40000 {
 177                         label = "data";
 178                         reg = <0x6b40000 0xa00000>;
 179                 };
 180
 181                 partition@7540000 {
 182                         label = "reserved";
 183                         reg = <0x7540000 0x840000>;
 184                         read-only;
 185                 };
 186
 187                 partition@7d80000 {
 188                         label = "nvram";
 189                         reg = <0x7d80000 0x100000>;
 190                         read-only;
 191                 };
 192
 193                 partition@7e80000 {
 194                         label = "hwconfig";
 195                         reg = <0x7e80000 0x100000>;
 196                         read-only;
 197                 };
 198         };
 199 };