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 #include <dt-bindings/leds/common.h>
   8
   9 / {
  10         compatible = "yuncore,ax820", "mediatek,mt7621-soc";
  11         model = "YunCore AX820";
  12
  13         aliases {
  14                 led-boot = &led_system;
  15                 led-failsafe = &led_system;
  16                 led-running = &led_system;
  17                 led-upgrade = &led_system;
  18         };
  19
  20         chosen {
  21                 bootargs = "console=ttyS0,115200";
  22         };
  23
  24         leds {
  25                 compatible = "gpio-leds";
  26
  27                 /* At least 2 AX820 variants are known and cannot be distinguished (same hw rev):
  28                    - System LED green GPIO 15; red and blue apparently not connected
  29                    - System LED red GPIO 15, WLAN2G LED green GPIO 14, WLAN5G LED blue GPIO 16
  30                    The canonical values taken from a Yuncore datasheet are:
  31                    - System LED green GPIO 15, WLAN2G LED blue GPIO 14, WLAN5G LED red GPIO 16
  32                    All 3 colors relate to the same single RGB LED showing up on the front lightpipe.
  33                    As a result, all 3 LEDs are defined even if only one may be available, and
  34                    the color information is absent as it is not reliable */
  35                 wlan2g {
  36                         label = "wlan2g";
  37                         gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
  38                         linux,default-trigger = "phy0radio";
  39                 };
  40
  41                 led_system: system {
  42                         label = "system";
  43                         gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
  44                 };
  45
  46                 wlan5g {
  47                         label = "wlan5g";
  48                         gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
  49                         linux,default-trigger = "phy1radio";
  50                 };
  51
  52                 wan {
  53                         color = <LED_COLOR_ID_GREEN>;
  54                         function = LED_FUNCTION_WAN;
  55                         gpios = <&switch0 0 GPIO_ACTIVE_LOW>;
  56                 };
  57
  58                 lan {
  59                         color = <LED_COLOR_ID_GREEN>;
  60                         function = LED_FUNCTION_LAN;
  61                         gpios = <&switch0 3 GPIO_ACTIVE_LOW>;
  62                 };
  63         };
  64
  65         watchdog {
  66                 compatible = "linux,wdt-gpio";
  67                 gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
  68                 hw_algo = "toggle";
  69                 hw_margin_ms = <200>;
  70                 always-running;
  71         };
  72
  73         keys {
  74                 compatible = "gpio-keys";
  75
  76                 reset {
  77                         label = "reset";
  78                         gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
  79                         linux,code = <KEY_RESTART>;
  80                 };
  81         };
  82 };
  83
  84 &spi0 {
  85         status = "okay";
  86
  87         flash@0 {
  88                 compatible = "jedec,spi-nor";
  89                 reg = <0>;
  90                 spi-max-frequency = <80000000>;
  91                 m25p,fast-read;
  92
  93                 partitions {
  94                         compatible = "fixed-partitions";
  95                         #address-cells = <1>;
  96                         #size-cells = <1>;
  97
  98                         partition@0 {
  99                                 label = "Bootloader";
 100                                 reg = <0x0 0x30000>;
 101                                 read-only;
 102                         };
 103
 104                         partition@30000 {
 105                                 label = "Config";
 106                                 reg = <0x30000 0x10000>;
 107                                 read-only;
 108                         };
 109
 110                         /* range 0x40000 to 0x50000 is empty in vendor
 111                          * firmware, so we do not use it either
 112                          */
 113
 114                         partition@50000 {
 115                                 label = "Factory";
 116                                 reg = <0x50000 0x40000>;
 117                                 read-only;
 118
 119                                 nvmem-layout {
 120                                         compatible = "fixed-layout";
 121                                         #address-cells = <1>;
 122                                         #size-cells = <1>;
 123
 124                                         eeprom_factory_0: eeprom@0 {
 125                                                 reg = <0x0 0xe00>;
 126                                         };
 127
 128                                         precal_factory_e10: precal@e10 {
 129                                                 reg = <0xe10 0x19c10>;
 130                                         };
 131
 132                                         macaddr_factory_e000: macaddr@e000 {
 133                                                 compatible = "mac-base";
 134                                                 reg = <0xe000 0x6>;
 135                                                 #nvmem-cell-cells = <1>;
 136                                         };
 137                                 };
 138                         };
 139
 140                         partition@90000 {
 141                                 compatible = "denx,uimage";
 142                                 label = "firmware";
 143                                 reg = <0x90000 0xf70000>;
 144                         };
 145                 };
 146         };
 147 };
 148
 149 &pcie {
 150         status = "okay";
 151 };
 152
 153 &pcie1 {
 154         wifi@0,0 {
 155                 compatible = "mediatek,mt76";
 156                 reg = <0x0000 0 0 0 0>;
 157                 nvmem-cells = <&eeprom_factory_0>, <&precal_factory_e10>;
 158                 nvmem-cell-names = "eeprom", "precal";
 159                 mediatek,disable-radar-background;
 160         };
 161 };
 162
 163 &gmac0 {
 164         nvmem-cells = <&macaddr_factory_e000 0>;
 165         nvmem-cell-names = "mac-address";
 166 };
 167
 168 &gmac1 {
 169         status = "okay";
 170         label = "wan";
 171         phy-handle = <&ethphy0>;
 172
 173         nvmem-cells = <&macaddr_factory_e000 1>;
 174         nvmem-cell-names = "mac-address";
 175 };
 176
 177 &mdio {
 178         ethphy0: ethernet-phy@0 {
 179                 reg = <0>;
 180         };
 181 };
 182
 183 &switch0 {
 184         gpio-controller;
 185         #gpio-cells = <2>;
 186
 187         ports {
 188                 port@1 {
 189                         status = "okay";
 190                         label = "lan";
 191                 };
 192         };
 193 };
 194
 195 &state_default {
 196         gpio {
 197                 groups = "jtag", "wdt";
 198                 function = "gpio";
 199         };
 200 };