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
   8 / {
   9         aliases {
  10                 led-boot = &led_status_amber;
  11                 led-failsafe = &led_status_amber;
  12                 led-running = &led_status_green;
  13                 led-upgrade = &led_status_red;
  14         };
  15
  16         keys {
  17                 compatible = "gpio-keys";
  18
  19                 led_switch {
  20                         label = "led_switch";
  21                         gpios = <&gpio 13 GPIO_ACTIVE_HIGH>;
  22                         linux,code = <KEY_LIGHTS_TOGGLE>;
  23                         linux,input-type = <EV_SW>;
  24                 };
  25
  26                 reset {
  27                         label = "reset";
  28                         gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
  29                         linux,code = <KEY_RESTART>;
  30                 };
  31
  32                 wps {
  33                         label = "wps";
  34                         gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
  35                         linux,code = <KEY_WPS_BUTTON>;
  36                 };
  37         };
  38
  39         leds {
  40                 compatible = "gpio-leds";
  41
  42                 led_status_green: status_green {
  43                         label = "green:status";
  44                         gpios = <&gpio 7 GPIO_ACTIVE_HIGH>;
  45                 };
  46
  47                 led_status_red: status_red {
  48                         label = "red:status";
  49                         gpios = <&gpio 12 GPIO_ACTIVE_HIGH>;
  50                 };
  51
  52                 led_status_amber: status_amber {
  53                         label = "amber:status";
  54                         gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;
  55                 };
  56         };
  57 };
  58
  59 &pcie {
  60         status = "okay";
  61 };
  62
  63 &pcie0 {
  64         wifi@0,0 {
  65                 compatible = "pci14c3,7615";
  66                 reg = <0x0000 0 0 0 0>;
  67                 nvmem-cells = <&eeprom_factory_0>;
  68                 nvmem-cell-names = "eeprom";
  69                 ieee80211-freq-limit = <2400000 2500000>;
  70         };
  71 };
  72
  73 &pcie1 {
  74         wifi@0,0 {
  75                 compatible = "pci14c3,7615";
  76                 reg = <0x0000 0 0 0 0>;
  77                 nvmem-cells = <&eeprom_factory_8000>;
  78                 nvmem-cell-names = "eeprom";
  79                 ieee80211-freq-limit = <5000000 6000000>;
  80         };
  81 };
  82
  83 &state_default {
  84         gpio {
  85                 groups = "uart2", "uart3", "jtag", "wdt";
  86                 function = "gpio";
  87         };
  88 };
  89
  90 &nand {
  91         status = "okay";
  92
  93         partitions {
  94                 compatible = "fixed-partitions";
  95                 #address-cells = <1>;
  96                 #size-cells = <1>;
  97
  98                 partition@0 {
  99                         label = "u-boot";
 100                         reg = <0x0 0x80000>;
 101                         read-only;
 102                 };
 103
 104                 partition@80000 {
 105                         label = "u-boot-env";
 106                         reg = <0x80000 0x80000>;
 107                 };
 108
 109                 factory: partition@100000 {
 110                         compatible = "nvmem-cells";
 111                         label = "factory";
 112                         reg = <0x100000 0x40000>;
 113                         #address-cells = <1>;
 114                         #size-cells = <1>;
 115                         read-only;
 116
 117                         eeprom_factory_0: eeprom@0 {
 118                                 reg = <0x0 0x4da8>;
 119                         };
 120
 121                         eeprom_factory_8000: eeprom@8000 {
 122                                 reg = <0x8000 0x4da8>;
 123                         };
 124                 };
 125
 126                 /*
 127                  * uboot expects to find kernels at 0x140000 & 0x2140000,
 128                  * referred to as Uimage & Uimage1 in factory FW, respectively.
 129                  * U-boot variable 'bootImage' controls which is booted;
 130                  * 0 for the first, 1 for the 2nd.
 131                  * There's a 3rd partition, Uimage2 (0x4140000), which
 132                  * I expected to be a recovery image, but is actually blank.
 133                  *
 134                  * A kernel is considered suitable for handing control over
 135                  * if its linux magic number exists & uImage CRC are correct.
 136                  * If either of those conditions fail, 'bootImage' value
 137                  * is toggled in uboot env & a restart performed in the hope that the
 138                  * alternate kernel is okay.
 139                  *
 140                  * Note uboot's tftp flash install writes the transferred
 141                  * image to the active kernel partition.
 142                  */
 143
 144                 partition@140000 {
 145                         label = "kernel";
 146                         reg = <0x140000 0x400000>;
 147                 };
 148
 149                 partition@540000 {
 150                         label = "ubi";
 151                         reg = <0x540000 0x1c00000>;
 152                 };
 153
 154                 partition@2140000 {
 155                         label = "oem";
 156                         reg = <0x2140000 0x2000000>;
 157                 };
 158
 159                 partition@4140000 {
 160                         label = "backup";
 161                         reg = <0x4140000 0x2000000>;
 162                 };
 163
 164                 partition@6140000 {
 165                         label = "chime";
 166                         reg = <0x6140000 0xa00000>;
 167                 };
 168
 169                 partition@6b40000 {
 170                         label = "data";
 171                         reg = <0x6b40000 0xa00000>;
 172                 };
 173
 174                 partition@7540000 {
 175                         label = "reserved";
 176                         reg = <0x7540000 0x840000>;
 177                         read-only;
 178                 };
 179
 180                 partition@7d80000 {
 181                         label = "nvram";
 182                         reg = <0x7d80000 0x100000>;
 183                         read-only;
 184                 };
 185
 186                 partition@7e80000 {
 187                         label = "hwconfig";
 188                         reg = <0x7e80000 0x100000>;
 189                         read-only;
 190                 };
 191         };
 192 };