target/linux/kirkwood/files-4.19/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         switches {
  71                 #address-cells = <1>;
  72                 #size-cells = <0>;
  73
  74                 mvsw61xx@10 {
  75                         compatible = "marvell,88e6171";
  76                         status = "okay";
  77                         reg = <0x10>;
  78
  79                         mii-bus = <&mdio>;
  80                         cpu-port-0 = <5>;
  81                         cpu-port-1 = <6>;
  82                         is-indirect;
  83                 };
  84         };
  85
  86         dsa {
  87                 compatible = "marvell,dsa";
  88                 #address-cells = <2>;
  89                 #size-cells = <0>;
  90
  91                 dsa,ethernet = <&eth0port>;
  92                 dsa,mii-bus = <&mdio>;
  93
  94                 switch@16,0 {
  95                         #address-cells = <1>;
  96                         #size-cells = <0>;
  97                         reg = <16 0>;   /* MDIO address 16, switch 0 in tree */
  98
  99                         port@0 {
 100                                 reg = <0>;
 101                                 label = "ethernet1";
 102                         };
 103
 104                         port@1 {
 105                                 reg = <1>;
 106                                 label = "ethernet2";
 107                         };
 108
 109                         port@2 {
 110                                 reg = <2>;
 111                                 label = "ethernet3";
 112                         };
 113
 114                         port@3 {
 115                                 reg = <3>;
 116                                 label = "ethernet4";
 117                         };
 118
 119                         port@4 {
 120                                 reg = <4>;
 121                                 label = "internet";
 122                         };
 123
 124                         port@5 {
 125                                 reg = <5>;
 126                                 label = "cpu";
 127                         };
 128                 };
 129         };
 130 };
 131
 132 &pinctrl {
 133         pmx_led_green_power: pmx-led-green-power {
 134                 marvell,pins = "mpp7";
 135                 marvell,function = "gpo";
 136         };
 137
 138         pmx_btn_wps: pmx-btn-wps {
 139                 marvell,pins = "mpp47";
 140                 marvell,function = "gpio";
 141         };
 142
 143         pmx_btn_reset: pmx-btn-reset {
 144                 marvell,pins = "mpp48";
 145                 marvell,function = "gpio";
 146         };
 147 };
 148
 149 &nand {
 150         status = "okay";
 151
 152         pinctrl-0 = <&pmx_nand>;
 153         pinctrl-names = "default";
 154
 155         partitions {
 156                 compatible = "fixed-partitions";
 157                 #address-cells = <1>;
 158                 #size-cells = <1>;
 159
 160                 partition@0 {
 161                         label = "u-boot";
 162                         reg = <0x0 0x80000>;
 163                         read-only;
 164                 };
 165
 166                 partition@80000 {
 167                         label = "u_env";
 168                         reg = <0x80000 0x4000>;
 169                 };
 170
 171                 partition@84000 {
 172                         label = "s_env";
 173                         reg = <0x84000 0x4000>;
 174                 };
 175
 176                 partition@200000 {
 177                         label = "kernel1";
 178                         reg = <0x200000 0x290000>;
 179                 };
 180
 181                 partition@490000 {
 182                         label = "rootfs1";
 183                         reg = <0x490000 0x1170000>;
 184                 };
 185
 186                 partition@1600000 {
 187                         label = "kernel2";
 188                         reg = <0x1600000 0x290000>;
 189                 };
 190
 191                 partition@1890000 {
 192                         label = "rootfs2";
 193                         reg = <0x1890000 0x1170000>;
 194                 };
 195
 196                 partition@2a00000 {
 197                         label = "syscfg";
 198                         reg = <0x2a00000  0x1600000>;
 199                 };
 200
 201                 partition@88000 {
 202                         label = "unused";
 203                         reg = <0x88000 0x178000>;
 204                 };
 205         };
 206 };
 207
 208 &pciec {
 209         status = "okay";
 210 };
 211
 212 &pcie0 {
 213         status = "okay";
 214 };
 215
 216 &pcie1 {
 217         status = "okay";
 218 };
 219
 220 &mdio {
 221         status = "okay";
 222 };
 223
 224 &uart0 {
 225         status = "okay";
 226 };
 227
 228 /* eth0 is connected to a Marvell 88E6171 switch, without a PHY. So set
 229  * fixed speed and duplex.
 230  */
 231 &eth0 {
 232         status = "okay";
 233
 234         ethernet0-port@0 {
 235                 speed = <1000>;
 236                 duplex = <1>;
 237         };
 238 };
 239
 240 /* eth1 is connected to the switch at port 6. However DSA only supports a
 241  * single CPU port. Upstream uses DSA so they disable this port to avoid confusion.
 242  */
 243 &eth1 {
 244         status = "okay";
 245
 246         ethernet1-port@0 {
 247                 speed = <1000>;
 248                 duplex = <1>;
 249         };
 250 };
 251
 252 /* There is no battery on the board, so the RTC does not keep
 253  * time when there is no power, making it useless.
 254  */
 255 &rtc {
 256         status = "disabled";
 257 };