target/linux/ramips/dts/mt7621_yuncore_ax820.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
   8 / {
   9         compatible = "yuncore,ax820", "mediatek,mt7621-soc";
  10         model = "YunCore AX820";
  11
  12         aliases {
  13                 led-boot = &led_system;
  14                 led-failsafe = &led_system;
  15                 led-running = &led_system;
  16                 led-upgrade = &led_system;
  17         };
  18
  19         chosen {
  20                 bootargs = "console=ttyS0,115200";
  21         };
  22
  23         leds {
  24                 compatible = "gpio-leds";
  25
  26                 /* At least 2 AX820 variants are known and cannot be distinguished (same hw rev):
  27                    - System LED green GPIO 15; red and blue apparently not connected
  28                    - System LED red GPIO 15, WLAN2G LED green GPIO 14, WLAN5G LED blue GPIO 16
  29                    The canonical values taken from a Yuncore datasheet are:
  30                    - System LED green GPIO 15, WLAN2G LED blue GPIO 14, WLAN5G LED red GPIO 16
  31                    All 3 colors relate to the same single RGB LED showing up on the front lightpipe.
  32                    As a result, all 3 LEDs are defined even if only one may be available, and
  33                    the color information is absent as it is not reliable */
  34                 wlan2g {
  35                         label = "wlan2g";
  36                         gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
  37                         linux,default-trigger = "phy0radio";
  38                 };
  39
  40                 led_system: system {
  41                         label = "system";
  42                         gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
  43                 };
  44
  45                 wlan5g {
  46                         label = "wlan5g";
  47                         gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
  48                         linux,default-trigger = "phy1radio";
  49                 };
  50         };
  51
  52         watchdog {
  53                 compatible = "linux,wdt-gpio";
  54                 gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
  55                 hw_algo = "toggle";
  56                 hw_margin_ms = <200>;
  57                 always-running;
  58         };
  59
  60         keys {
  61                 compatible = "gpio-keys";
  62
  63                 reset {
  64                         label = "reset";
  65                         gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
  66                         linux,code = <KEY_RESTART>;
  67                 };
  68         };
  69 };
  70
  71 &spi0 {
  72         status = "okay";
  73
  74         flash@0 {
  75                 compatible = "jedec,spi-nor";
  76                 reg = <0>;
  77                 spi-max-frequency = <80000000>;
  78                 m25p,fast-read;
  79
  80                 partitions {
  81                         compatible = "fixed-partitions";
  82                         #address-cells = <1>;
  83                         #size-cells = <1>;
  84
  85                         partition@0 {
  86                                 label = "Bootloader";
  87                                 reg = <0x0 0x30000>;
  88                                 read-only;
  89                         };
  90
  91                         partition@30000 {
  92                                 label = "Config";
  93                                 reg = <0x30000 0x10000>;
  94                                 read-only;
  95                         };
  96
  97                         /* range 0x40000 to 0x50000 is empty in vendor
  98                          * firmware, so we do not use it either
  99                          */
 100
 101                         factory: partition@50000 {
 102                                 label = "Factory";
 103                                 reg = <0x50000 0x40000>;
 104                                 read-only;
 105                         };
 106
 107                         partition@90000 {
 108                                 compatible = "denx,uimage";
 109                                 label = "firmware";
 110                                 reg = <0x90000 0xf70000>;
 111                         };
 112                 };
 113         };
 114 };
 115
 116 &pcie {
 117         status = "okay";
 118 };
 119
 120 &pcie1 {
 121         wifi@0,0 {
 122                 compatible = "mediatek,mt76";
 123                 reg = <0x0000 0 0 0 0>;
 124                 mediatek,mtd-eeprom = <&factory 0x0>;
 125         };
 126 };
 127
 128 &gmac0 {
 129         nvmem-cells = <&macaddr_factory_e000>;
 130         nvmem-cell-names = "mac-address";
 131 };
 132
 133 &switch0 {
 134         ports {
 135                 port@0 {
 136                         status = "okay";
 137                         label = "wan";
 138                         nvmem-cells = <&macaddr_factory_e000>;
 139                         nvmem-cell-names = "mac-address";
 140                         mac-address-increment = <1>;
 141                 };
 142
 143                 port@1 {
 144                         status = "okay";
 145                         label = "lan";
 146                 };
 147         };
 148 };
 149
 150 &state_default {
 151         gpio {
 152                 groups = "jtag", "wdt";
 153                 function = "gpio";
 154         };
 155 };
 156
 157 &factory {
 158         compatible = "nvmem-cells";
 159         #address-cells = <1>;
 160         #size-cells = <1>;
 161
 162         macaddr_factory_e000: macaddr@e000 {
 163                 reg = <0xe000 0x6>;
 164         };
 165 };