target/linux/kirkwood/files-5.4/arch/arm/boot/dts/kirkwood-linksys-audi.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * kirkwood-linksys-audi.dts - Device Tree file for Linksys EA3500
   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 Dan Walters <dan@walters.io>
   9  *
  10  */
  11
  12 /dts-v1/;
  13
  14 #include "kirkwood.dtsi"
  15 #include "kirkwood-6282.dtsi"
  16
  17 / {
  18         model = "Linksys Audi (EA3500)";
  19         compatible = "linksys,audi", "marvell,kirkwood-88f6282", "marvell,kirkwood";
  20
  21         memory@0 {
  22                 device_type = "memory";
  23                 reg = <0x00000000 0x4000000>;
  24         };
  25
  26         aliases {
  27                 led-boot = &led_power;
  28                 led-failsafe = &led_power;
  29                 led-running = &led_power;
  30                 led-upgrade = &led_power;
  31                 serial0 = &uart0;
  32         };
  33
  34         chosen {
  35                 stdout-path = "serial0:115200n8";
  36         };
  37
  38         gpio-keys {
  39                 compatible = "gpio-keys";
  40
  41                 pinctrl-0 = <&pmx_btn_wps &pmx_btn_reset>;
  42                 pinctrl-names = "default";
  43
  44                 wps {
  45                         label = "WPS Button";
  46                         linux,code = <KEY_WPS_BUTTON>;
  47                         gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
  48                 };
  49
  50                 reset {
  51                         label = "Reset Button";
  52                         linux,code = <KEY_RESTART>;
  53                         gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
  54                 };
  55         };
  56
  57         gpio-leds {
  58                 compatible = "gpio-leds";
  59
  60                 pinctrl-0 = <&pmx_led_green_power>;
  61                 pinctrl-names = "default";
  62
  63                 led_power: power {
  64                         label = "audi:green:power";
  65                         gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
  66                         default-state = "on";
  67                 };
  68         };
  69
  70         mvsw61xx {
  71                 compatible = "marvell,88e6171";
  72                 status = "okay";
  73                 reg = <0x10>;
  74
  75                 mii-bus = <&mdio>;
  76                 cpu-port-0 = <5>;
  77                 cpu-port-1 = <6>;
  78                 is-indirect;
  79         };
  80 };
  81
  82 &pinctrl {
  83         pmx_led_green_power: pmx-led-green-power {
  84                 marvell,pins = "mpp7";
  85                 marvell,function = "gpo";
  86         };
  87
  88         pmx_btn_wps: pmx-btn-wps {
  89                 marvell,pins = "mpp47";
  90                 marvell,function = "gpio";
  91         };
  92
  93         pmx_btn_reset: pmx-btn-reset {
  94                 marvell,pins = "mpp48";
  95                 marvell,function = "gpio";
  96         };
  97 };
  98
  99 &nand {
 100         status = "okay";
 101
 102         pinctrl-0 = <&pmx_nand>;
 103         pinctrl-names = "default";
 104
 105         partitions {
 106                 compatible = "fixed-partitions";
 107                 #address-cells = <1>;
 108                 #size-cells = <1>;
 109
 110                 partition@0 {
 111                         label = "u-boot";
 112                         reg = <0x0 0x80000>;
 113                         read-only;
 114                 };
 115
 116                 partition@80000 {
 117                         label = "u_env";
 118                         reg = <0x80000 0x4000>;
 119                 };
 120
 121                 partition@84000 {
 122                         label = "s_env";
 123                         reg = <0x84000 0x4000>;
 124                 };
 125
 126                 partition@200000 {
 127                         label = "kernel1";
 128                         reg = <0x200000 0x290000>;
 129                 };
 130
 131                 partition@490000 {
 132                         label = "rootfs1";
 133                         reg = <0x490000 0x1170000>;
 134                 };
 135
 136                 partition@1600000 {
 137                         label = "kernel2";
 138                         reg = <0x1600000 0x290000>;
 139                 };
 140
 141                 partition@1890000 {
 142                         label = "rootfs2";
 143                         reg = <0x1890000 0x1170000>;
 144                 };
 145
 146                 partition@2a00000 {
 147                         label = "syscfg";
 148                         reg = <0x2a00000  0x1600000>;
 149                 };
 150
 151                 partition@88000 {
 152                         label = "unused";
 153                         reg = <0x88000 0x178000>;
 154                 };
 155         };
 156 };
 157
 158 &pciec {
 159         status = "okay";
 160 };
 161
 162 &pcie0 {
 163         status = "okay";
 164 };
 165
 166 &pcie1 {
 167         status = "okay";
 168 };
 169
 170 &mdio {
 171         status = "okay";
 172 };
 173
 174 &uart0 {
 175         status = "okay";
 176 };
 177
 178 /* eth0 is connected to a Marvell 88E6171 switch, without a PHY. So set
 179  * fixed speed and duplex.
 180  */
 181 &eth0 {
 182         status = "okay";
 183
 184         ethernet0-port@0 {
 185                 speed = <1000>;
 186                 duplex = <1>;
 187         };
 188 };
 189
 190 /* eth1 is connected to the switch at port 6. However DSA only supports a
 191  * single CPU port. Upstream uses DSA so they disable this port to avoid confusion.
 192  */
 193 &eth1 {
 194         status = "okay";
 195
 196         ethernet1-port@0 {
 197                 speed = <1000>;
 198                 duplex = <1>;
 199         };
 200 };
 201
 202 /* There is no battery on the board, so the RTC does not keep
 203  * time when there is no power, making it useless.
 204  */
 205 &rtc {
 206         status = "disabled";
 207 };