arch/arm/boot/dts/gemini-dlink-dir-685.dts

   1 /*
   2  * Device Tree file for D-Link DIR-685 Xtreme N Storage Router
   3  */
   4
   5 /dts-v1/;
   6
   7 #include "gemini.dtsi"
   8 #include <dt-bindings/input/input.h>
   9
  10 / {
  11         model = "D-Link DIR-685 Xtreme N Storage Router";
  12         compatible = "dlink,dir-685", "cortina,gemini";
  13         #address-cells = <1>;
  14         #size-cells = <1>;
  15
  16         memory@0 {
  17                 /* 128 MB SDRAM in 2 x Hynix HY5DU121622DTP-D43 */
  18                 device_type = "memory";
  19                 reg = <0x00000000 0x8000000>;
  20         };
  21
  22         chosen {
  23                 bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait consoleblank=300";
  24                 stdout-path = "uart0:19200n8";
  25         };
  26
  27         gpio_keys {
  28                 compatible = "gpio-keys";
  29
  30                 button-esc {
  31                         debounce-interval = <100>;
  32                         wakeup-source;
  33                         linux,code = <KEY_ESC>;
  34                         label = "reset";
  35                         /* Collides with LPC_LAD[0], UART DCD, SSP 97RST */
  36                         gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
  37                 };
  38                 button-eject {
  39                         debounce-interval = <100>;
  40                         wakeup-source;
  41                         linux,code = <KEY_EJECTCD>;
  42                         label = "unmount";
  43                         /* Collides with LPC LFRAME, UART RTS, SSP TXD */
  44                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  45                 };
  46         };
  47
  48         vdisp: regulator {
  49                 compatible = "regulator-fixed";
  50                 regulator-name = "display-power";
  51                 regulator-min-microvolt = <3600000>;
  52                 regulator-max-microvolt = <3600000>;
  53                 /* Collides with LCD E */
  54                 gpio = <&gpio0 16 GPIO_ACTIVE_HIGH>;
  55                 enable-active-high;
  56         };
  57
  58         spi {
  59                 compatible = "spi-gpio";
  60                 #address-cells = <1>;
  61                 #size-cells = <0>;
  62
  63                 /* Collides with IDE pins, that's cool (we do not use them) */
  64                 gpio-sck = <&gpio1 5 GPIO_ACTIVE_HIGH>;
  65                 gpio-miso = <&gpio1 8 GPIO_ACTIVE_HIGH>;
  66                 gpio-mosi = <&gpio1 7 GPIO_ACTIVE_HIGH>;
  67                 cs-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
  68                 num-chipselects = <1>;
  69
  70                 panel: display@0 {
  71                         compatible = "dlink,dir-685-panel", "ilitek,ili9322";
  72                         reg = <0>;
  73                         /* 50 ns min period = 20 MHz */
  74                         spi-max-frequency = <20000000>;
  75                         vcc-supply = <&vdisp>;
  76                         iovcc-supply = <&vdisp>;
  77                         vci-supply = <&vdisp>;
  78
  79                         port {
  80                                 panel_in: endpoint {
  81                                         remote-endpoint = <&display_out>;
  82                                 };
  83                         };
  84                 };
  85         };
  86
  87         leds {
  88                 compatible = "gpio-leds";
  89                 led-wps {
  90                         label = "dir685:blue:WPS";
  91                         /* Collides with ICE */
  92                         gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
  93                         default-state = "on";
  94                         linux,default-trigger = "heartbeat";
  95                 };
  96                 /*
  97                  * These two LEDs are on the side of the device.
  98                  * For electrical reasons, both LEDs cannot be active
  99                  * at the same time so only blue or orange can be on at
 100                  * one time. Enabling both makes the LED go dark.
 101                  * The LEDs both sit inside the unmount button and the
 102                  * label on the case says "unmount".
 103                  */
 104                 led-blue-hd {
 105                         label = "dir685:blue:HD";
 106                         /* Collides with LPC_SERIRQ, UART DTR, SSP FSC pins */
 107                         gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
 108                         default-state = "off";
 109                         linux,default-trigger = "disk-read";
 110                 };
 111                 led-orange-hd {
 112                         label = "dir685:orange:HD";
 113                         /* Collides with LPC_LAD[2], UART DSR, SSP ECLK pins */
 114                         gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
 115                         default-state = "off";
 116                         linux,default-trigger = "disk-write";
 117                 };
 118         };
 119
 120         /*
 121          * This is a Sunon Maglev GM0502PFV2-8 cooling fan @10000 RPM.
 122          * Since the platform has no temperature sensor, this is controlled
 123          * from userspace by using the hard disks S.M.A.R.T. temperature
 124          * sensor. It is turned on when the temperature exceeds 46 degrees
 125          * and turned off when the temperatures goes below 41 degrees
 126          * (celsius).
 127          */
 128         gpio-fan {
 129                 compatible = "gpio-fan";
 130                 /* Collides with IDE */
 131                 gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
 132                 gpio-fan,speed-map = <0 0>, <10000 1>;
 133                 #cooling-cells = <2>;
 134         };
 135
 136         /*
 137          * The touchpad input is connected to a GPIO bit-banged
 138          * I2C bus.
 139          */
 140         gpio-i2c {
 141                 compatible = "i2c-gpio";
 142                 /* Collides with ICE */
 143                 sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 144                 scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 145                 #address-cells = <1>;
 146                 #size-cells = <0>;
 147
 148                 touchkeys@26 {
 149                         compatible = "dlink,dir685-touchkeys";
 150                         reg = <0x26>;
 151                         interrupt-parent = <&gpio0>;
 152                         /* Collides with NAND flash */
 153                         interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
 154                 };
 155         };
 156
 157         /* This is a RealTek RTL8366RB switch and PHY using SMI over GPIO */
 158         switch {
 159                 compatible = "realtek,rtl8366rb";
 160                 /* 22 = MDIO (has input reads), 21 = MDC (clock, output only) */
 161                 mdc-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
 162                 mdio-gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>;
 163                 reset-gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
 164                 realtek,disable-leds;
 165
 166                 switch_intc: interrupt-controller {
 167                         /* GPIO 15 provides the interrupt */
 168                         interrupt-parent = <&gpio0>;
 169                         interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
 170                         interrupt-controller;
 171                         #address-cells = <0>;
 172                         #interrupt-cells = <1>;
 173                 };
 174
 175                 ports {
 176                         #address-cells = <1>;
 177                         #size-cells = <0>;
 178
 179                         port@0 {
 180                                 reg = <0>;
 181                                 label = "lan0";
 182                                 phy-handle = <&phy0>;
 183                         };
 184                         port@1 {
 185                                 reg = <1>;
 186                                 label = "lan1";
 187                                 phy-handle = <&phy1>;
 188                         };
 189                         port@2 {
 190                                 reg = <2>;
 191                                 label = "lan2";
 192                                 phy-handle = <&phy2>;
 193                         };
 194                         port@3 {
 195                                 reg = <3>;
 196                                 label = "lan3";
 197                                 phy-handle = <&phy3>;
 198                         };
 199                         port@4 {
 200                                 reg = <4>;
 201                                 label = "wan";
 202                                 phy-handle = <&phy4>;
 203                         };
 204                         rtl8366rb_cpu_port: port@5 {
 205                                 reg = <5>;
 206                                 label = "cpu";
 207                                 ethernet = <&gmac0>;
 208                                 phy-mode = "rgmii";
 209                                 fixed-link {
 210                                         speed = <1000>;
 211                                         full-duplex;
 212                                         pause;
 213                                 };
 214                         };
 215
 216                 };
 217
 218                 mdio {
 219                         compatible = "realtek,smi-mdio";
 220                         #address-cells = <1>;
 221                         #size-cells = <0>;
 222
 223                         phy0: phy@0 {
 224                                 reg = <0>;
 225                                 interrupt-parent = <&switch_intc>;
 226                                 interrupts = <0>;
 227                         };
 228                         phy1: phy@1 {
 229                                 reg = <1>;
 230                                 interrupt-parent = <&switch_intc>;
 231                                 interrupts = <1>;
 232                         };
 233                         phy2: phy@2 {
 234                                 reg = <2>;
 235                                 interrupt-parent = <&switch_intc>;
 236                                 interrupts = <2>;
 237                         };
 238                         phy3: phy@3 {
 239                                 reg = <3>;
 240                                 interrupt-parent = <&switch_intc>;
 241                                 interrupts = <3>;
 242                         };
 243                         phy4: phy@4 {
 244                                 reg = <4>;
 245                                 interrupt-parent = <&switch_intc>;
 246                                 interrupts = <12>;
 247                         };
 248                 };
 249         };
 250
 251         soc {
 252                 flash@30000000 {
 253                         /*
 254                          * Flash access collides with the Chip Enable signal for
 255                          * the display panel, that reuse the parallel flash Chip
 256                          * Select 1 (CS1). We switch the pin control state so we
 257                          * enable these pins for flash access only when we need
 258                          * then, and when disabled they can be used for GPIO which
 259                          * is what the display panel needs.
 260                          */
 261                         status = "okay";
 262                         pinctrl-names = "enabled", "disabled";
 263                         pinctrl-0 = <&pflash_default_pins>;
 264                         pinctrl-1 = <&pflash_disabled_pins>;
 265
 266                         /* 32MB of flash */
 267                         reg = <0x30000000 0x02000000>;
 268
 269                         partitions {
 270                                 compatible = "fixed-partitions";
 271                                 #address-cells = <1>;
 272                                 #size-cells = <1>;
 273
 274                                 /*
 275                                  * This "RedBoot" is the Storlink derivative.
 276                                  */
 277                                 partition@0 {
 278                                         label = "RedBoot";
 279                                         reg = <0x00000000 0x00040000>;
 280                                         read-only;
 281                                 };
 282                                 /*
 283                                  * This firmware image contains the kernel catenated
 284                                  * with the squashfs root filesystem. For some reason
 285                                  * this is called "upgrade" on the vendor system.
 286                                  */
 287                                 partition@40000 {
 288                                         label = "upgrade";
 289                                         reg = <0x00040000 0x01f40000>;
 290                                         read-only;
 291                                 };
 292                                 /* RGDB, Residental Gateway Database? */
 293                                 partition@1f80000 {
 294                                         label = "rgdb";
 295                                         reg = <0x01f80000 0x00040000>;
 296                                         read-only;
 297                                 };
 298                                 /*
 299                                  * This partition contains MAC addresses for WAN,
 300                                  * WLAN and LAN, and the country code (for wireless
 301                                  * I guess).
 302                                  */
 303                                 partition@1fc0000 {
 304                                         label = "nvram";
 305                                         reg = <0x01fc0000 0x00020000>;
 306                                         read-only;
 307                                 };
 308                                 partition@1fe0000 {
 309                                         label = "LangPack";
 310                                         reg = <0x01fe0000 0x00020000>;
 311                                         read-only;
 312                                 };
 313                         };
 314                 };
 315
 316                 syscon: syscon@40000000 {
 317                         pinctrl {
 318                                 /*
 319                                  * gpio0bgrp cover line 5, 6 used by TK I2C
 320                                  * gpio0bgrp cover line 7 used by WPS LED
 321                                  * gpio0cgrp cover line 8, 13 used by keys
 322                                  *           and 11, 12 used by the HD LEDs
 323                                  *           and line 14, 15 used by RTL8366
 324                                  *           RESET and phy ready
 325                                  * gpio0egrp cover line 16 used by VDISP
 326                                  * gpio0fgrp cover line 17 used by TK IRQ
 327                                  * gpio0ggrp cover line 20 used by panel CS
 328                                  * gpio0hgrp cover line 21,22 used by RTL8366RB MDIO
 329                                  */
 330                                 gpio0_default_pins: pinctrl-gpio0 {
 331                                         mux {
 332                                                 function = "gpio0";
 333                                                 groups = "gpio0bgrp",
 334                                                 "gpio0cgrp",
 335                                                 "gpio0egrp",
 336                                                 "gpio0fgrp",
 337                                                 "gpio0hgrp";
 338                                         };
 339                                 };
 340                                 /*
 341                                  * gpio1bgrp cover line 5,8,7 used by panel SPI
 342                                  * also line 6 used by the fan
 343                                  *
 344                                  */
 345                                 gpio1_default_pins: pinctrl-gpio1 {
 346                                         mux {
 347                                                 function = "gpio1";
 348                                                 groups = "gpio1bgrp";
 349                                         };
 350                                 };
 351                                 /*
 352                                  * These GPIO groups will be mapped in over some
 353                                  * of the flash pins when the flash is not in
 354                                  * active use.
 355                                  */
 356                                 pflash_disabled_pins: pinctrl-pflash-disabled {
 357                                         mux {
 358                                                 function = "gpio0";
 359                                                 groups = "gpio0ggrp", "gpio0igrp", "gpio0jgrp",
 360                                                          "gpio0kgrp";
 361                                         };
 362                                 };
 363                                 pinctrl-gmii {
 364                                         mux {
 365                                                 function = "gmii";
 366                                                 groups = "gmii_gmac0_grp";
 367                                         };
 368                                         conf0 {
 369                                                 pins = "V8 GMAC0 RXDV", "T10 GMAC1 RXDV",
 370                                                      "Y7 GMAC0 RXC", "Y11 GMAC1 RXC",
 371                                                      "T8 GMAC0 TXEN", "W11 GMAC1 TXEN",
 372                                                      "U8 GMAC0 TXC", "V11 GMAC1 TXC",
 373                                                      "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
 374                                                      "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
 375                                                      "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
 376                                                      "V7 GMAC0 TXD2", "U7 GMAC0 TXD3",
 377                                                      "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1",
 378                                                      "T11 GMAC1 RXD2", "W12 GMAC1 RXD3",
 379                                                      "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1",
 380                                                      "W10 GMAC1 TXD2", "T9 GMAC1 TXD3";
 381                                                 skew-delay = <7>;
 382                                         };
 383                                         /* Set up drive strength on GMAC0 to 16 mA */
 384                                         conf1 {
 385                                                 groups = "gmii_gmac0_grp";
 386                                                 drive-strength = <16>;
 387                                         };
 388                                 };
 389                         };
 390                 };
 391
 392                 sata: sata@46000000 {
 393                         cortina,gemini-ata-muxmode = <0>;
 394                         cortina,gemini-enable-sata-bridge;
 395                         status = "okay";
 396                 };
 397
 398                 gpio0: gpio@4d000000 {
 399                         pinctrl-names = "default";
 400                         pinctrl-0 = <&gpio0_default_pins>;
 401                 };
 402
 403                 gpio1: gpio@4e000000 {
 404                         pinctrl-names = "default";
 405                         pinctrl-0 = <&gpio1_default_pins>;
 406                 };
 407
 408                 pci@50000000 {
 409                         status = "okay";
 410                         interrupt-map-mask = <0xf800 0 0 7>;
 411                         interrupt-map =
 412                                 <0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */
 413                                 <0x4800 0 0 2 &pci_intc 1>,
 414                                 <0x4800 0 0 3 &pci_intc 2>,
 415                                 <0x4800 0 0 4 &pci_intc 3>,
 416                                 <0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */
 417                                 <0x5000 0 0 2 &pci_intc 2>,
 418                                 <0x5000 0 0 3 &pci_intc 3>,
 419                                 <0x5000 0 0 4 &pci_intc 0>,
 420                                 <0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */
 421                                 <0x5800 0 0 2 &pci_intc 3>,
 422                                 <0x5800 0 0 3 &pci_intc 0>,
 423                                 <0x5800 0 0 4 &pci_intc 1>,
 424                                 <0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */
 425                                 <0x6000 0 0 2 &pci_intc 0>,
 426                                 <0x6000 0 0 3 &pci_intc 1>,
 427                                 <0x6000 0 0 4 &pci_intc 2>;
 428                 };
 429
 430                 ethernet@60000000 {
 431                         status = "okay";
 432
 433                         ethernet-port@0 {
 434                                 phy-mode = "rgmii";
 435                                 fixed-link {
 436                                         speed = <1000>;
 437                                         full-duplex;
 438                                         pause;
 439                                 };
 440                         };
 441                         ethernet-port@1 {
 442                                 /* Not used in this platform */
 443                         };
 444                 };
 445
 446                 ata@63000000 {
 447                         status = "okay";
 448                 };
 449
 450                 display-controller@6a000000 {
 451                         status = "okay";
 452
 453                         port@0 {
 454                                 reg = <0>;
 455                                 display_out: endpoint {
 456                                         remote-endpoint = <&panel_in>;
 457                                 };
 458                         };
 459                 };
 460
 461                 usb@68000000 {
 462                         status = "okay";
 463                 };
 464
 465                 usb@69000000 {
 466                         status = "okay";
 467                 };
 468         };
 469 };