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                 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_green_power >;
  59                 pinctrl-names = "default";
  60
  61                 led_power: power {
  62                         label = "audi:green:power";
  63                         gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
  64                         default-state = "on";
  65                 };
  66         };
  67
  68         switches {
  69                 #address-cells = <1>;
  70                 #size-cells = <0>;
  71
  72                 mvsw61xx@10 {
  73                         compatible = "marvell,88e6171";
  74                         status = "okay";
  75                         reg = <0x10>;
  76
  77                         mii-bus = <&mdio>;
  78                         cpu-port-0 = <5>;
  79                         cpu-port-1 = <6>;
  80                         is-indirect;
  81                 };
  82         };
  83
  84         dsa {
  85                 compatible = "marvell,dsa";
  86                 #address-cells = <2>;
  87                 #size-cells = <0>;
  88
  89                 dsa,ethernet = <&eth0port>;
  90                 dsa,mii-bus = <&mdio>;
  91
  92                 switch@16,0 {
  93                         #address-cells = <1>;
  94                         #size-cells = <0>;
  95                         reg = <16 0>;   /* MDIO address 16, switch 0 in tree */
  96
  97                         port@0 {
  98                                 reg = <0>;
  99                                 label = "ethernet1";
 100                         };
 101
 102                         port@1 {
 103                                 reg = <1>;
 104                                 label = "ethernet2";
 105                         };
 106
 107                         port@2 {
 108                                 reg = <2>;
 109                                 label = "ethernet3";
 110                         };
 111
 112                         port@3 {
 113                                 reg = <3>;
 114                                 label = "ethernet4";
 115                         };
 116
 117                         port@4 {
 118                                 reg = <4>;
 119                                 label = "internet";
 120                         };
 121
 122                         port@5 {
 123                                 reg = <5>;
 124                                 label = "cpu";
 125                         };
 126                 };
 127         };
 128 };
 129
 130 &pinctrl {
 131         pmx_led_green_power: pmx-led-green-power {
 132                 marvell,pins = "mpp7";
 133                 marvell,function = "gpo";
 134         };
 135         pmx_btn_wps: pmx-btn-wps {
 136                 marvell,pins = "mpp47";
 137                 marvell,function = "gpio";
 138         };
 139         pmx_btn_reset: pmx-btn-reset {
 140                 marvell,pins = "mpp48";
 141                 marvell,function = "gpio";
 142         };
 143 };
 144
 145 &nand {
 146         status = "okay";
 147         pinctrl-0 = <&pmx_nand>;
 148         pinctrl-names = "default";
 149
 150         partitions {
 151                 compatible = "fixed-partitions";
 152                 #address-cells = <1>;
 153                 #size-cells = <1>;
 154
 155                 partition@0 {
 156                         label = "u-boot";
 157                         reg = <0x0 0x80000>;
 158                         read-only;
 159                 };
 160
 161                 partition@80000 {
 162                         label = "u_env";
 163                         reg = <0x80000 0x4000>;
 164                 };
 165
 166                 partition@84000 {
 167                         label = "s_env";
 168                         reg = <0x84000 0x4000>;
 169                 };
 170
 171                 partition@200000 {
 172                         label = "kernel1";
 173                         reg = <0x200000 0x290000>;
 174                 };
 175
 176                 partition@490000 {
 177                         label = "rootfs1";
 178                         reg = <0x490000 0x1170000>;
 179                 };
 180
 181                 partition@1600000 {
 182                         label = "kernel2";
 183                         reg = <0x1600000 0x290000>;
 184                 };
 185
 186                 partition@1890000 {
 187                         label = "rootfs2";
 188                         reg = <0x1890000 0x1170000>;
 189                 };
 190
 191                 partition@2a00000 {
 192                         label = "syscfg";
 193                         reg = <0x2a00000  0x1600000>;
 194                 };
 195
 196                 partition@88000 {
 197                         label = "unused";
 198                         reg = <0x88000 0x178000>;
 199                 };
 200
 201         };
 202 };
 203
 204 &pciec {
 205         status = "okay";
 206 };
 207
 208 &pcie0 {
 209         status = "okay";
 210 };
 211
 212 &pcie1 {
 213         status = "okay";
 214 };
 215
 216 &mdio {
 217         status = "okay";
 218 };
 219
 220 &uart0 {
 221         status = "okay";
 222 };
 223
 224 /* eth0 is connected to a Marvell 88E6171 switch, without a PHY. So set
 225  * fixed speed and duplex.
 226  */
 227 &eth0 {
 228         status = "okay";
 229         ethernet0-port@0 {
 230                 speed = <1000>;
 231                 duplex = <1>;
 232         };
 233 };
 234
 235 /* eth1 is connected to the switch at port 6. However DSA only supports a
 236  * single CPU port. Upstream uses DSA so they disable this port to avoid confusion.
 237  */
 238 &eth1 {
 239         status = "okay";
 240         ethernet1-port@0 {
 241                 speed = <1000>;
 242                 duplex = <1>;
 243         };
 244 };
 245
 246 /* There is no battery on the board, so the RTC does not keep
 247  * time when there is no power, making it useless.
 248  */
 249 &rtc {
 250         status = "disabled";
 251 };