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                 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
 212 &uart0 {
 213         status = "okay";
 214 };
 215
 216 /* eth0 is connected to a Marvell 88E6171 switch, without a PHY. So set
 217  * fixed speed and duplex.
 218  */
 219 &eth0 {
 220         status = "okay";
 221         ethernet0-port@0 {
 222                 speed = <1000>;
 223                 duplex = <1>;
 224         };
 225 };
 226
 227 /* eth1 is connected to the switch at port 6. However DSA only supports a
 228  * single CPU port. So leave this port disabled to avoid confusion.
 229  */
 230 &eth1 {
 231         status = "disabled";
 232 };
 233
 234 /* There is no battery on the board, so the RTC does not keep
 235  * time when there is no power, making it useless.
 236  */
 237 &rtc {
 238         status = "disabled";
 239 };
 240