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

   1 /*
   2  * kirkwood-viper.dts - Device Tree file for Linksys viper (E4200v2 / EA4500)
   3  *
   4  * (c) 2013 Jonas Gorski <jogo@openwrt.org>
   5  * (c) 2013 Deutsche Telekom Innovation Laboratories
   6  * (c) 2014 Luka Perkov <luka@openwrt.org>
   7  * (c) 2014 Randy C. Will <randall.will@gmail.com>
   8  *
   9  * This file is licensed under the terms of the GNU General Public
  10  * License version 2.  This program is licensed "as is" without any
  11  * warranty of any kind, whether express or implied.
  12  */
  13
  14 /dts-v1/;
  15
  16 #include "kirkwood.dtsi"
  17 #include "kirkwood-6282.dtsi"
  18
  19 / {
  20         model = "Linksys Viper (E4200v2 / EA4500)";
  21         compatible = "linksys,viper", "marvell,kirkwood-88f6282", "marvell,kirkwood";
  22
  23         memory {
  24                 device_type = "memory";
  25                 reg = <0x00000000 0x8000000>;
  26         };
  27
  28         aliases {
  29                 serial0 = &uart0;
  30         };
  31
  32         chosen {
  33                 stdout-path = "serial0:115200n8";
  34         };
  35
  36         gpio_keys {
  37                 compatible = "gpio-keys";
  38                 #address-cells = <1>;
  39                 #size-cells = <0>;
  40                 pinctrl-0 = < &pmx_btn_wps &pmx_btn_reset >;
  41                 pinctrl-names = "default";
  42
  43                 wps {
  44                         label = "WPS Button";
  45                         linux,code = <KEY_WPS_BUTTON>;
  46                         gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
  47                 };
  48
  49                 reset {
  50                         label = "Reset Button";
  51                         linux,code = <KEY_RESTART>;
  52                         gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
  53                 };
  54         };
  55
  56         gpio-leds {
  57                 compatible = "gpio-leds";
  58                 pinctrl-0 = < &pmx_led_white_health &pmx_led_white_pulse >;
  59                 pinctrl-names = "default";
  60
  61                 white-health {
  62                         label = "viper:white:health";
  63                         gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
  64                 };
  65
  66                 white-pulse {
  67                         label = "viper:white:pulse";
  68                         gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
  69                 };
  70         };
  71
  72         dsa {
  73                 status = "disabled";
  74
  75                 compatible = "marvell,dsa";
  76                 #address-cells = <2>;
  77                 #size-cells = <0>;
  78
  79                 dsa,ethernet = <&eth0port>;
  80                 dsa,mii-bus = <&mdio>;
  81
  82                 switch@16,0 {
  83                         #address-cells = <1>;
  84                         #size-cells = <0>;
  85                         reg = <16 0>;   /* MDIO address 16, switch 0 in tree */
  86
  87                         port@0 {
  88                                 reg = <0>;
  89                                 label = "ethernet1";
  90                         };
  91
  92                         port@1 {
  93                                 reg = <1>;
  94                                 label = "ethernet2";
  95                         };
  96
  97                         port@2 {
  98                                 reg = <2>;
  99                                 label = "ethernet3";
 100                         };
 101
 102                         port@3 {
 103                                 reg = <3>;
 104                                 label = "ethernet4";
 105                         };
 106
 107                         port@4 {
 108                                 reg = <4>;
 109                                 label = "internet";
 110                         };
 111
 112                         port@5 {
 113                                 reg = <5>;
 114                                 label = "cpu";
 115                         };
 116                 };
 117         };
 118 };
 119
 120 &pinctrl {
 121         pmx_led_white_health: pmx-led-white-health {
 122                 marvell,pins = "mpp7";
 123                 marvell,function = "gpo";
 124         };
 125         pmx_led_white_pulse: pmx-led-white-pulse {
 126                 marvell,pins = "mpp14";
 127                 marvell,function = "gpio";
 128         };
 129         pmx_btn_wps: pmx-btn-wps {
 130                 marvell,pins = "mpp47";
 131                 marvell,function = "gpio";
 132         };
 133         pmx_btn_reset: pmx-btn-reset {
 134                 marvell,pins = "mpp48";
 135                 marvell,function = "gpio";
 136         };
 137 };
 138
 139 &nand {
 140         status = "okay";
 141         pinctrl-0 = <&pmx_nand>;
 142         pinctrl-names = "default";
 143
 144         partitions {
 145                 compatible = "fixed-partitions";
 146                 #address-cells = <1>;
 147                 #size-cells = <1>;
 148
 149                 partition@0 {
 150                         label = "u-boot";
 151                         reg = <0x0 0x80000>;
 152                         read-only;
 153                 };
 154
 155                 partition@80000 {
 156                         label = "u_env";
 157                         reg = <0x80000 0x20000>;
 158                 };
 159
 160                 partition@a0000 {
 161                         label = "s_env";
 162                         reg = <0xA0000 0x20000>;
 163                 };
 164
 165                 partition@200000 {
 166                         label = "kernel";
 167                         reg = <0x200000 0x2A0000>;
 168                 };
 169
 170                 partition@4a0000 {
 171                         label = "rootfs";
 172                         reg = <0x4A0000 0x1760000>;
 173                 };
 174
 175                 partition@1c00000 {
 176                         label = "alt_kernel";
 177                         reg = <0x1C00000 0x2A0000>;
 178                 };
 179
 180                 partition@1ea0000 {
 181                         label = "alt_rootfs";
 182                         reg = <0x1EA0000 0x1760000>;
 183                 };
 184
 185                 partition@3600000 {
 186                         label = "syscfg";
 187                         reg = <0x3600000 0x4A00000>;
 188                 };
 189
 190                 partition@c0000 {
 191                         label = "unused";
 192                         reg = <0xC0000 0x140000>;
 193                 };
 194
 195         };
 196 };
 197
 198 &pciec {
 199         status = "okay";
 200 };
 201
 202 &pcie0 {
 203         status = "okay";
 204 };
 205
 206 &pcie1 {
 207         status = "okay";
 208 };
 209
 210 &mdio {
 211         status = "okay";
 212
 213         switch@10 {
 214                 compatible = "marvell,mv88e6085";
 215                 #address-cells = <1>;
 216                 #size-cells = <0>;
 217                 reg = <16>;
 218
 219                 ports {
 220                         #address-cells = <1>;
 221                         #size-cells = <0>;
 222
 223                         port@0 {
 224                                 reg = <0>;
 225                                 label = "ethernet1";
 226                         };
 227
 228                         port@1 {
 229                                 reg = <1>;
 230                                 label = "ethernet2";
 231                         };
 232
 233                         port@2 {
 234                                 reg = <2>;
 235                                 label = "ethernet3";
 236                         };
 237
 238                         port@3 {
 239                                 reg = <3>;
 240                                 label = "ethernet4";
 241                         };
 242
 243                         port@4 {
 244                                 reg = <4>;
 245                                 label = "internet";
 246                         };
 247
 248                         port@5 {
 249                                 reg = <5>;
 250                                 label = "cpu";
 251                                 ethernet = <&eth0port>;
 252                                 fixed-link {
 253                                         speed = <1000>;
 254                                         full-duplex;
 255                                 };
 256                         };
 257                 };
 258         };
 259 };
 260
 261 &uart0 {
 262         status = "okay";
 263 };
 264
 265 /* eth0 is connected to a Marvell 88E6171 switch, without a PHY. So set
 266  * fixed speed and duplex.
 267  */
 268 &eth0 {
 269         status = "okay";
 270         ethernet0-port@0 {
 271                 speed = <1000>;
 272                 duplex = <1>;
 273         };
 274 };
 275
 276 /* eth1 is connected to the switch at port 6. However DSA only supports a
 277  * single CPU port. So leave this port disabled to avoid confusion.
 278  */
 279 &eth1 {
 280         status = "disabled";
 281 };
 282
 283 /* There is no battery on the board, so the RTC does not keep
 284  * time when there is no power, making it useless.
 285  */
 286 &rtc {
 287         status = "disabled";
 288 };
 289