0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * kirkwood-viper.dts - Device Tree file for Linksys viper (E4200v2 / EA4500)
0004 *
0005 * (c) 2013 Jonas Gorski <jogo@openwrt.org>
0006 * (c) 2013 Deutsche Telekom Innovation Laboratories
0007 * (c) 2014 Luka Perkov <luka@openwrt.org>
0008 * (c) 2014 Randy C. Will <randall.will@gmail.com>
0009 *
0010 */
0011
0012 /dts-v1/;
0013
0014 #include "kirkwood.dtsi"
0015 #include "kirkwood-6282.dtsi"
0016
0017 / {
0018 model = "Linksys Viper (E4200v2 / EA4500)";
0019 compatible = "linksys,viper", "marvell,kirkwood-88f6282", "marvell,kirkwood";
0020
0021 memory {
0022 device_type = "memory";
0023 reg = <0x00000000 0x8000000>;
0024 };
0025
0026 aliases {
0027 serial0 = &uart0;
0028 };
0029
0030 chosen {
0031 stdout-path = "serial0:115200n8";
0032 };
0033
0034 gpio_keys {
0035 compatible = "gpio-keys";
0036 #address-cells = <1>;
0037 #size-cells = <0>;
0038 pinctrl-0 = < &pmx_btn_wps &pmx_btn_reset >;
0039 pinctrl-names = "default";
0040
0041 wps {
0042 label = "WPS Button";
0043 linux,code = <KEY_WPS_BUTTON>;
0044 gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
0045 };
0046
0047 reset {
0048 label = "Reset Button";
0049 linux,code = <KEY_RESTART>;
0050 gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
0051 };
0052 };
0053
0054 gpio-leds {
0055 compatible = "gpio-leds";
0056 pinctrl-0 = < &pmx_led_white_health &pmx_led_white_pulse >;
0057 pinctrl-names = "default";
0058
0059 white-health {
0060 label = "viper:white:health";
0061 gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
0062 };
0063
0064 white-pulse {
0065 label = "viper:white:pulse";
0066 gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
0067 };
0068 };
0069 };
0070
0071 &pinctrl {
0072 pmx_led_white_health: pmx-led-white-health {
0073 marvell,pins = "mpp7";
0074 marvell,function = "gpo";
0075 };
0076 pmx_led_white_pulse: pmx-led-white-pulse {
0077 marvell,pins = "mpp14";
0078 marvell,function = "gpio";
0079 };
0080 pmx_btn_wps: pmx-btn-wps {
0081 marvell,pins = "mpp47";
0082 marvell,function = "gpio";
0083 };
0084 pmx_btn_reset: pmx-btn-reset {
0085 marvell,pins = "mpp48";
0086 marvell,function = "gpio";
0087 };
0088 };
0089
0090 &nand {
0091 status = "okay";
0092 pinctrl-0 = <&pmx_nand>;
0093 pinctrl-names = "default";
0094
0095 partitions {
0096 compatible = "fixed-partitions";
0097 #address-cells = <1>;
0098 #size-cells = <1>;
0099
0100 partition@0 {
0101 label = "u-boot";
0102 reg = <0x0 0x80000>;
0103 read-only;
0104 };
0105
0106 partition@80000 {
0107 label = "u_env";
0108 reg = <0x80000 0x20000>;
0109 };
0110
0111 partition@a0000 {
0112 label = "s_env";
0113 reg = <0xA0000 0x20000>;
0114 };
0115
0116 partition@200000 {
0117 label = "kernel";
0118 reg = <0x200000 0x2A0000>;
0119 };
0120
0121 partition@4a0000 {
0122 label = "rootfs";
0123 reg = <0x4A0000 0x1760000>;
0124 };
0125
0126 partition@1c00000 {
0127 label = "alt_kernel";
0128 reg = <0x1C00000 0x2A0000>;
0129 };
0130
0131 partition@1ea0000 {
0132 label = "alt_rootfs";
0133 reg = <0x1EA0000 0x1760000>;
0134 };
0135
0136 partition@3600000 {
0137 label = "syscfg";
0138 reg = <0x3600000 0x4A00000>;
0139 };
0140
0141 partition@c0000 {
0142 label = "unused";
0143 reg = <0xC0000 0x140000>;
0144 };
0145
0146 };
0147 };
0148
0149 &pciec {
0150 status = "okay";
0151 };
0152
0153 &pcie0 {
0154 status = "okay";
0155 };
0156
0157 &pcie1 {
0158 status = "okay";
0159 };
0160
0161 &mdio {
0162 status = "okay";
0163
0164 switch@10 {
0165 compatible = "marvell,mv88e6085";
0166 #address-cells = <1>;
0167 #size-cells = <0>;
0168 reg = <16>;
0169
0170 ports {
0171 #address-cells = <1>;
0172 #size-cells = <0>;
0173
0174 port@0 {
0175 reg = <0>;
0176 label = "ethernet1";
0177 };
0178
0179 port@1 {
0180 reg = <1>;
0181 label = "ethernet2";
0182 };
0183
0184 port@2 {
0185 reg = <2>;
0186 label = "ethernet3";
0187 };
0188
0189 port@3 {
0190 reg = <3>;
0191 label = "ethernet4";
0192 };
0193
0194 port@4 {
0195 reg = <4>;
0196 label = "internet";
0197 };
0198
0199 port@5 {
0200 reg = <5>;
0201 label = "cpu";
0202 ethernet = <ð0port>;
0203 fixed-link {
0204 speed = <1000>;
0205 full-duplex;
0206 };
0207 };
0208 };
0209 };
0210 };
0211
0212 &uart0 {
0213 status = "okay";
0214 };
0215
0216 /* eth0 is connected to a Marvell 88E6171 switch, without a PHY. So set
0217 * fixed speed and duplex.
0218 */
0219 ð0 {
0220 status = "okay";
0221 ethernet0-port@0 {
0222 speed = <1000>;
0223 duplex = <1>;
0224 };
0225 };
0226
0227 /* eth1 is connected to the switch at port 6. However DSA only supports a
0228 * single CPU port. So leave this port disabled to avoid confusion.
0229 */
0230 ð1 {
0231 status = "disabled";
0232 };
0233
0234 /* There is no battery on the board, so the RTC does not keep
0235 * time when there is no power, making it useless.
0236 */
0237 &rtc {
0238 status = "disabled";
0239 };
0240
