target/linux/mediatek/dts/mt7981b-yuncore-ax835.dts

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2
   3 /dts-v1/;
   4
   5 #include "mt7981.dtsi"
   6
   7 / {
   8         compatible = "yuncore,ax835", "mediatek,mt7981";
   9         model = "YunCore AX835";
  10
  11         aliases {
  12                 ethernet0 = &gmac0;
  13                 led-boot = &led_system;
  14                 led-failsafe = &led_system;
  15                 led-running = &led_system;
  16                 led-upgrade = &led_system;
  17                 serial0 = &uart0;
  18         };
  19
  20         chosen {
  21                 stdout-path = "serial0:115200n8";
  22         };
  23
  24         gpio-keys {
  25                 compatible = "gpio-keys";
  26
  27                 reset {
  28                         label = "reset";
  29                         linux,code = <KEY_RESTART>;
  30                         gpios = <&pio 1 GPIO_ACTIVE_LOW>;
  31                 };
  32         };
  33
  34         reg_led_vbus {
  35                 compatible = "regulator-fixed";
  36                 regulator-name = "led_vbus";
  37                 regulator-min-microvolt = <3300000>;
  38                 regulator-max-microvolt = <3300000>;
  39                 regulator-always-on;
  40                 gpio = <&pio 5 GPIO_ACTIVE_HIGH>;
  41         };
  42
  43         leds {
  44                 compatible = "gpio-leds";
  45
  46                 led_system: led_system {
  47                         label = "red:system";
  48                         gpios = <&pio 4 GPIO_ACTIVE_LOW>;
  49                 };
  50
  51                 led_wifi24 {
  52                         label = "green:wifi2";
  53                         gpios = <&pio 34 GPIO_ACTIVE_LOW>;
  54                         linux,default-trigger = "phy0tpt";
  55                 };
  56
  57                 led_wifi5 {
  58                         label = "blue:wifi5";
  59                         gpios = <&pio 35 GPIO_ACTIVE_LOW>;
  60                         linux,default-trigger = "phy1tpt";
  61                 };
  62
  63                 led_hwwatchdog {
  64                         // a gpio-wdt watchdog couldn't be made to work.
  65                         // the device rebooted after 5 minutes.
  66                         label = "hwwatchdog";
  67                         gpios = <&pio 7 GPIO_ACTIVE_LOW>;
  68                         linux,default-trigger = "timer";
  69                         led-pattern = <1000>, <1000>;
  70                 };
  71
  72                 // there's another "syswatchdog" on gpio2
  73         };
  74 };
  75
  76 &eth {
  77         pinctrl-names = "default";
  78         pinctrl-0 = <&mdio_pins>;
  79
  80         status = "okay";
  81
  82         gmac0: mac@0 {
  83                 compatible = "mediatek,eth-mac";
  84                 reg = <0>;
  85                 phy-mode = "2500base-x";
  86
  87                 nvmem-cell-names = "mac-address";
  88                 nvmem-cells = <&macaddr_factory_2a>;
  89
  90                 fixed-link {
  91                         speed = <2500>;
  92                         full-duplex;
  93                         pause;
  94                 };
  95         };
  96 };
  97
  98 &mdio_bus {
  99         switch: switch@1f {
 100                 compatible = "mediatek,mt7531";
 101                 reg = <31>;
 102                 reset-gpios = <&pio 39 GPIO_ACTIVE_HIGH>;
 103         };
 104 };
 105
 106 &pio {
 107         spi0_flash_pins: spi0-pins {
 108                 mux {
 109                         function = "spi";
 110                         groups = "spi0", "spi0_wp_hold";
 111                 };
 112         };
 113
 114         spi2_flash_pins: spi2-pins {
 115                 mux {
 116                         function = "spi";
 117                         groups = "spi2", "spi2_wp_hold";
 118                 };
 119
 120                 conf-pu {
 121                         pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
 122                         drive-strength = <8>;
 123                         bias-pull-up = <103>;
 124                 };
 125
 126                 conf-pd {
 127                         pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
 128                         drive-strength = <8>;
 129                         bias-pull-down = <103>;
 130                 };
 131         };
 132 };
 133
 134 &spi0 {
 135         pinctrl-names = "default";
 136         pinctrl-0 = <&spi0_flash_pins>;
 137         status = "disabled";
 138 };
 139
 140 &spi2 {
 141         pinctrl-names = "default";
 142         pinctrl-0 = <&spi2_flash_pins>;
 143         status = "okay";
 144
 145         flash@0 {
 146                 #address-cells = <1>;
 147                 #size-cells = <1>;
 148
 149                 compatible = "jedec,spi-nor";
 150                 reg = <0>;
 151
 152                 spi-max-frequency = <52000000>;
 153                 spi-tx-buswidth = <4>;
 154                 spi-rx-buswidth = <4>;
 155
 156                 partitions {
 157                         compatible = "fixed-partitions";
 158                         #address-cells = <1>;
 159                         #size-cells = <1>;
 160
 161                         partition@00000 {
 162                                 label = "BL2";
 163                                 reg = <0x00000 0x40000>;
 164                                 read-only;
 165                         };
 166
 167                         partition@40000 {
 168                                 label = "u-boot-env";
 169                                 reg = <0x40000 0x10000>;
 170                                 read-only;
 171                         };
 172
 173                         factory: partition@50000 {
 174                                 label = "Factory";
 175                                 reg = <0x50000 0x10000>;
 176                                 read-only;
 177
 178                                 nvmem-layout {
 179                                         compatible = "fixed-layout";
 180                                         #address-cells = <1>;
 181                                         #size-cells = <1>;
 182
 183                                         eeprom_factory: eeprom@0 {
 184                                                 reg = <0x0 0x1000>;
 185                                         };
 186
 187                                         macaddr_factory_4: macaddr@4 {
 188                                                 reg = <0x4 0x6>;
 189                                         };
 190
 191                                         macaddr_factory_24: macaddr@24 {
 192                                                 reg = <0x24 0x6>;
 193                                         };
 194
 195                                         macaddr_factory_2a: macaddr@2a {
 196                                                 reg = <0x2a 0x6>;
 197                                         };
 198                                 };
 199                         };
 200
 201                         partition@100000 {
 202                                 label = "FIP";
 203                                 reg = <0x100000 0x80000>;
 204                                 read-only;
 205                         };
 206
 207                         partition@180000 {
 208                                 compatible = "denx,fit";
 209                                 label = "firmware";
 210                                 reg = <0x180000 0xe00000>;
 211                         };
 212                 };
 213         };
 214 };
 215
 216 &switch {
 217         ports {
 218                 #address-cells = <1>;
 219                 #size-cells = <0>;
 220
 221                 port@3 {
 222                         reg = <3>;
 223                         label = "lan";
 224                 };
 225
 226                 port@4 {
 227                         reg = <4>;
 228                         label = "wan";
 229                 };
 230
 231                 port@6 {
 232                         reg = <6>;
 233                         label = "cpu";
 234                         ethernet = <&gmac0>;
 235                         phy-mode = "2500base-x";
 236
 237                         fixed-link {
 238                                 speed = <2500>;
 239                                 full-duplex;
 240                                 pause;
 241                         };
 242                 };
 243         };
 244 };
 245
 246 &uart0 {
 247         status = "okay";
 248 };
 249
 250 &watchdog {
 251         status = "okay";
 252 };
 253
 254 &wifi {
 255         status = "okay";
 256         nvmem-cells = <&eeprom_factory 0>;
 257         nvmem-cell-names = "eeprom";
 258 };