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
  71 &pinctrl {
  72         pmx_led_white_health: pmx-led-white-health {
  73                 marvell,pins = "mpp7";
  74                 marvell,function = "gpo";
  75         };
  76         pmx_led_white_pulse: pmx-led-white-pulse {
  77                 marvell,pins = "mpp14";
  78                 marvell,function = "gpio";
  79         };
  80         pmx_btn_wps: pmx-btn-wps {
  81                 marvell,pins = "mpp47";
  82                 marvell,function = "gpio";
  83         };
  84         pmx_btn_reset: pmx-btn-reset {
  85                 marvell,pins = "mpp48";
  86                 marvell,function = "gpio";
  87         };
  88 };
  89
  90 &nand {
  91         status = "okay";
  92         pinctrl-0 = <&pmx_nand>;
  93         pinctrl-names = "default";
  94
  95         partitions {
  96                 compatible = "fixed-partitions";
  97                 #address-cells = <1>;
  98                 #size-cells = <1>;
  99
 100                 partition@0 {
 101                         label = "u-boot";
 102                         reg = <0x0 0x80000>;
 103                         read-only;
 104                 };
 105
 106                 partition@80000 {
 107                         label = "u_env";
 108                         reg = <0x80000 0x20000>;
 109                 };
 110
 111                 partition@a0000 {
 112                         label = "s_env";
 113                         reg = <0xA0000 0x20000>;
 114                 };
 115
 116                 partition@200000 {
 117                         label = "kernel";
 118                         reg = <0x200000 0x2A0000>;
 119                 };
 120
 121                 partition@4a0000 {
 122                         label = "rootfs";
 123                         reg = <0x4A0000 0x1760000>;
 124                 };
 125
 126                 partition@1c00000 {
 127                         label = "alt_kernel";
 128                         reg = <0x1C00000 0x2A0000>;
 129                 };
 130
 131                 partition@1ea0000 {
 132                         label = "alt_rootfs";
 133                         reg = <0x1EA0000 0x1760000>;
 134                 };
 135
 136                 partition@3600000 {
 137                         label = "syscfg";
 138                         reg = <0x3600000 0x4A00000>;
 139                 };
 140
 141                 partition@c0000 {
 142                         label = "unused";
 143                         reg = <0xC0000 0x140000>;
 144                 };
 145
 146         };
 147 };
 148
 149 &pciec {
 150         status = "okay";
 151 };
 152
 153 &pcie0 {
 154         status = "okay";
 155 };
 156
 157 &pcie1 {
 158         status = "okay";
 159 };
 160
 161 &mdio {
 162         status = "okay";
 163
 164         switch@10 {
 165                 compatible = "marvell,mv88e6085";
 166                 #address-cells = <1>;
 167                 #size-cells = <0>;
 168                 reg = <16>;
 169
 170                 ports {
 171                         #address-cells = <1>;
 172                         #size-cells = <0>;
 173
 174                         port@0 {
 175                                 reg = <0>;
 176                                 label = "ethernet1";
 177                         };
 178
 179                         port@1 {
 180                                 reg = <1>;
 181                                 label = "ethernet2";
 182                         };
 183
 184                         port@2 {
 185                                 reg = <2>;
 186                                 label = "ethernet3";
 187                         };
 188
 189                         port@3 {
 190                                 reg = <3>;
 191                                 label = "ethernet4";
 192                         };
 193
 194                         port@4 {
 195                                 reg = <4>;
 196                                 label = "internet";
 197                         };
 198
 199                         port@5 {
 200                                 reg = <5>;
 201                                 label = "cpu";
 202                                 ethernet = <&eth0port>;
 203                                 fixed-link {
 204                                         speed = <1000>;
 205                                         full-duplex;
 206                                 };
 207                         };
 208                 };
 209         };
 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