arch/arm/boot/dts/kirkwood-linksys-viper.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * kirkwood-viper.dts - Device Tree file for Linksys viper (E4200v2 / EA4500)
   4  *
   5  * (c) 2013 Jonas Gorski <jogo@openwrt.org>
   6  * (c) 2013 Deutsche Telekom Innovation Laboratories
   7  * (c) 2014 Luka Perkov <luka@openwrt.org>
   8  * (c) 2014 Randy C. Will <randall.will@gmail.com>
   9  *
  10  */
  11
  12 /dts-v1/;
  13
  14 #include "kirkwood.dtsi"
  15 #include "kirkwood-6282.dtsi"
  16
  17 / {
  18         model = "Linksys Viper (E4200v2 / EA4500)";
  19         compatible = "linksys,viper", "marvell,kirkwood-88f6282", "marvell,kirkwood";
  20
  21         memory {
  22                 device_type = "memory";
  23                 reg = <0x00000000 0x8000000>;
  24         };
  25
  26         aliases {
  27                 serial0 = &uart0;
  28         };
  29
  30         chosen {
  31                 stdout-path = "serial0:115200n8";
  32         };
  33
  34         gpio_keys {
  35                 compatible = "gpio-keys";
  36                 #address-cells = <1>;
  37                 #size-cells = <0>;
  38                 pinctrl-0 = < &pmx_btn_wps &pmx_btn_reset >;
  39                 pinctrl-names = "default";
  40
  41                 wps {
  42                         label = "WPS Button";
  43                         linux,code = <KEY_WPS_BUTTON>;
  44                         gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
  45                 };
  46
  47                 reset {
  48                         label = "Reset Button";
  49                         linux,code = <KEY_RESTART>;
  50                         gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
  51                 };
  52         };
  53
  54         gpio-leds {
  55                 compatible = "gpio-leds";
  56                 pinctrl-0 = < &pmx_led_white_health &pmx_led_white_pulse >;
  57                 pinctrl-names = "default";
  58
  59                 white-health {
  60                         label = "viper:white:health";
  61                         gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
  62                 };
  63
  64                 white-pulse {
  65                         label = "viper:white:pulse";
  66                         gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
  67                 };
  68         };
  69
  70         dsa {
  71                 status = "disabled";
  72
  73                 compatible = "marvell,dsa";
  74                 #address-cells = <2>;
  75                 #size-cells = <0>;
  76
  77                 dsa,ethernet = <&eth0port>;
  78                 dsa,mii-bus = <&mdio>;
  79
  80                 switch@16,0 {
  81                         #address-cells = <1>;
  82                         #size-cells = <0>;
  83                         reg = <16 0>;   /* MDIO address 16, switch 0 in tree */
  84
  85                         port@0 {
  86                                 reg = <0>;
  87                                 label = "ethernet1";
  88                         };
  89
  90                         port@1 {
  91                                 reg = <1>;
  92                                 label = "ethernet2";
  93                         };
  94
  95                         port@2 {
  96                                 reg = <2>;
  97                                 label = "ethernet3";
  98                         };
  99
 100                         port@3 {
 101                                 reg = <3>;
 102                                 label = "ethernet4";
 103                         };
 104
 105                         port@4 {
 106                                 reg = <4>;
 107                                 label = "internet";
 108                         };
 109
 110                         port@5 {
 111                                 reg = <5>;
 112                                 label = "cpu";
 113                         };
 114                 };
 115         };
 116 };
 117
 118 &pinctrl {
 119         pmx_led_white_health: pmx-led-white-health {
 120                 marvell,pins = "mpp7";
 121                 marvell,function = "gpo";
 122         };
 123         pmx_led_white_pulse: pmx-led-white-pulse {
 124                 marvell,pins = "mpp14";
 125                 marvell,function = "gpio";
 126         };
 127         pmx_btn_wps: pmx-btn-wps {
 128                 marvell,pins = "mpp47";
 129                 marvell,function = "gpio";
 130         };
 131         pmx_btn_reset: pmx-btn-reset {
 132                 marvell,pins = "mpp48";
 133                 marvell,function = "gpio";
 134         };
 135 };
 136
 137 &nand {
 138         status = "okay";
 139         pinctrl-0 = <&pmx_nand>;
 140         pinctrl-names = "default";
 141
 142         partitions {
 143                 compatible = "fixed-partitions";
 144                 #address-cells = <1>;
 145                 #size-cells = <1>;
 146
 147                 partition@0 {
 148                         label = "u-boot";
 149                         reg = <0x0 0x80000>;
 150                         read-only;
 151                 };
 152
 153                 partition@80000 {
 154                         label = "u_env";
 155                         reg = <0x80000 0x20000>;
 156                 };
 157
 158                 partition@a0000 {
 159                         label = "s_env";
 160                         reg = <0xA0000 0x20000>;
 161                 };
 162
 163                 partition@200000 {
 164                         label = "kernel";
 165                         reg = <0x200000 0x2A0000>;
 166                 };
 167
 168                 partition@4a0000 {
 169                         label = "rootfs";
 170                         reg = <0x4A0000 0x1760000>;
 171                 };
 172
 173                 partition@1c00000 {
 174                         label = "alt_kernel";
 175                         reg = <0x1C00000 0x2A0000>;
 176                 };
 177
 178                 partition@1ea0000 {
 179                         label = "alt_rootfs";
 180                         reg = <0x1EA0000 0x1760000>;
 181                 };
 182
 183                 partition@3600000 {
 184                         label = "syscfg";
 185                         reg = <0x3600000 0x4A00000>;
 186                 };
 187
 188                 partition@c0000 {
 189                         label = "unused";
 190                         reg = <0xC0000 0x140000>;
 191                 };
 192
 193         };
 194 };
 195
 196 &pciec {
 197         status = "okay";
 198 };
 199
 200 &pcie0 {
 201         status = "okay";
 202 };
 203
 204 &pcie1 {
 205         status = "okay";
 206 };
 207
 208 &mdio {
 209         status = "okay";
 210
 211         switch@10 {
 212                 compatible = "marvell,mv88e6085";
 213                 #address-cells = <1>;
 214                 #size-cells = <0>;
 215                 reg = <16>;
 216
 217                 ports {
 218                         #address-cells = <1>;
 219                         #size-cells = <0>;
 220
 221                         port@0 {
 222                                 reg = <0>;
 223                                 label = "ethernet1";
 224                         };
 225
 226                         port@1 {
 227                                 reg = <1>;
 228                                 label = "ethernet2";
 229                         };
 230
 231                         port@2 {
 232                                 reg = <2>;
 233                                 label = "ethernet3";
 234                         };
 235
 236                         port@3 {
 237                                 reg = <3>;
 238                                 label = "ethernet4";
 239                         };
 240
 241                         port@4 {
 242                                 reg = <4>;
 243                                 label = "internet";
 244                         };
 245
 246                         port@5 {
 247                                 reg = <5>;
 248                                 label = "cpu";
 249                                 ethernet = <&eth0port>;
 250                                 fixed-link {
 251                                         speed = <1000>;
 252                                         full-duplex;
 253                                 };
 254                         };
 255                 };
 256         };
 257 };
 258
 259 &uart0 {
 260         status = "okay";
 261 };
 262
 263 /* eth0 is connected to a Marvell 88E6171 switch, without a PHY. So set
 264  * fixed speed and duplex.
 265  */
 266 &eth0 {
 267         status = "okay";
 268         ethernet0-port@0 {
 269                 speed = <1000>;
 270                 duplex = <1>;
 271         };
 272 };
 273
 274 /* eth1 is connected to the switch at port 6. However DSA only supports a
 275  * single CPU port. So leave this port disabled to avoid confusion.
 276  */
 277 &eth1 {
 278         status = "disabled";
 279 };
 280
 281 /* There is no battery on the board, so the RTC does not keep
 282  * time when there is no power, making it useless.
 283  */
 284 &rtc {
 285         status = "disabled";
 286 };
 287