0001 /*
0002 * Device Tree file for D-Link DIR-685 Xtreme N Storage Router
0003 */
0004
0005 /dts-v1/;
0006
0007 #include "gemini.dtsi"
0008 #include <dt-bindings/input/input.h>
0009
0010 / {
0011 model = "D-Link DIR-685 Xtreme N Storage Router";
0012 compatible = "dlink,dir-685", "cortina,gemini";
0013 #address-cells = <1>;
0014 #size-cells = <1>;
0015
0016 memory@0 {
0017 /* 128 MB SDRAM in 2 x Hynix HY5DU121622DTP-D43 */
0018 device_type = "memory";
0019 reg = <0x00000000 0x8000000>;
0020 };
0021
0022 chosen {
0023 bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait consoleblank=300";
0024 stdout-path = "uart0:19200n8";
0025 };
0026
0027 gpio_keys {
0028 compatible = "gpio-keys";
0029
0030 button-esc {
0031 debounce-interval = <100>;
0032 wakeup-source;
0033 linux,code = <KEY_ESC>;
0034 label = "reset";
0035 /* Collides with LPC_LAD[0], UART DCD, SSP 97RST */
0036 gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
0037 };
0038 button-eject {
0039 debounce-interval = <100>;
0040 wakeup-source;
0041 linux,code = <KEY_EJECTCD>;
0042 label = "unmount";
0043 /* Collides with LPC LFRAME, UART RTS, SSP TXD */
0044 gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
0045 };
0046 };
0047
0048 vdisp: regulator {
0049 compatible = "regulator-fixed";
0050 regulator-name = "display-power";
0051 regulator-min-microvolt = <3600000>;
0052 regulator-max-microvolt = <3600000>;
0053 /* Collides with LCD E */
0054 gpio = <&gpio0 16 GPIO_ACTIVE_HIGH>;
0055 enable-active-high;
0056 };
0057
0058 spi {
0059 compatible = "spi-gpio";
0060 #address-cells = <1>;
0061 #size-cells = <0>;
0062
0063 /* Collides with IDE pins, that's cool (we do not use them) */
0064 sck-gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
0065 miso-gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
0066 mosi-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
0067 cs-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
0068 num-chipselects = <1>;
0069
0070 panel: display@0 {
0071 compatible = "dlink,dir-685-panel", "ilitek,ili9322";
0072 reg = <0>;
0073 /* 50 ns min period = 20 MHz */
0074 spi-max-frequency = <20000000>;
0075 vcc-supply = <&vdisp>;
0076 iovcc-supply = <&vdisp>;
0077 vci-supply = <&vdisp>;
0078
0079 port {
0080 panel_in: endpoint {
0081 remote-endpoint = <&display_out>;
0082 };
0083 };
0084 };
0085 };
0086
0087 leds {
0088 compatible = "gpio-leds";
0089 led-wps {
0090 label = "dir685:blue:WPS";
0091 /* Collides with ICE */
0092 gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
0093 default-state = "on";
0094 linux,default-trigger = "heartbeat";
0095 };
0096 /*
0097 * These two LEDs are on the side of the device.
0098 * For electrical reasons, both LEDs cannot be active
0099 * at the same time so only blue or orange can be on at
0100 * one time. Enabling both makes the LED go dark.
0101 * The LEDs both sit inside the unmount button and the
0102 * label on the case says "unmount".
0103 */
0104 led-blue-hd {
0105 label = "dir685:blue:HD";
0106 /* Collides with LPC_SERIRQ, UART DTR, SSP FSC pins */
0107 gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
0108 default-state = "off";
0109 linux,default-trigger = "disk-read";
0110 };
0111 led-orange-hd {
0112 label = "dir685:orange:HD";
0113 /* Collides with LPC_LAD[2], UART DSR, SSP ECLK pins */
0114 gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
0115 default-state = "off";
0116 linux,default-trigger = "disk-write";
0117 };
0118 };
0119
0120 /*
0121 * This is a Sunon Maglev GM0502PFV2-8 cooling fan @10000 RPM.
0122 * sensor. It is turned on when the temperature exceeds 46 degrees
0123 * and turned off when the temperatures goes below 41 degrees
0124 * (celsius).
0125 */
0126 fan0: gpio-fan {
0127 compatible = "gpio-fan";
0128 /* Collides with IDE */
0129 gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
0130 gpio-fan,speed-map = <0 0>, <10000 1>;
0131 #cooling-cells = <2>;
0132 };
0133
0134 thermal-zones {
0135 chassis-thermal {
0136 /* Poll every 20 seconds */
0137 polling-delay = <20000>;
0138 /* Poll every 2nd second when cooling */
0139 polling-delay-passive = <2000>;
0140 /* Use the thermal sensor in the hard drive */
0141 thermal-sensors = <&drive0>;
0142
0143 /* Tripping points from the fan.script in the rootfs */
0144 trips {
0145 alert: chassis-alert {
0146 /* At 43 degrees turn on the fan */
0147 temperature = <43000>;
0148 hysteresis = <3000>;
0149 type = "active";
0150 };
0151 crit: chassis-crit {
0152 /* Just shut down at 60 degrees */
0153 temperature = <60000>;
0154 hysteresis = <2000>;
0155 type = "critical";
0156 };
0157 };
0158
0159 cooling-maps {
0160 map0 {
0161 trip = <&alert>;
0162 cooling-device = <&fan0 1 1>;
0163 };
0164 };
0165 };
0166 };
0167
0168 /*
0169 * The touchpad input is connected to a GPIO bit-banged
0170 * I2C bus.
0171 */
0172 i2c {
0173 compatible = "i2c-gpio";
0174 /* Collides with ICE */
0175 sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
0176 scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
0177 #address-cells = <1>;
0178 #size-cells = <0>;
0179
0180 touchkeys@26 {
0181 compatible = "dlink,dir685-touchkeys";
0182 reg = <0x26>;
0183 interrupt-parent = <&gpio0>;
0184 /* Collides with NAND flash */
0185 interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
0186 };
0187 };
0188
0189 /* This is a RealTek RTL8366RB switch and PHY using SMI over GPIO */
0190 switch {
0191 compatible = "realtek,rtl8366rb";
0192 /* 22 = MDIO (has input reads), 21 = MDC (clock, output only) */
0193 mdc-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
0194 mdio-gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>;
0195 reset-gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
0196 realtek,disable-leds;
0197
0198 switch_intc: interrupt-controller {
0199 /* GPIO 15 provides the interrupt */
0200 interrupt-parent = <&gpio0>;
0201 interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
0202 interrupt-controller;
0203 #address-cells = <0>;
0204 #interrupt-cells = <1>;
0205 };
0206
0207 ports {
0208 #address-cells = <1>;
0209 #size-cells = <0>;
0210
0211 port@0 {
0212 reg = <0>;
0213 label = "lan0";
0214 phy-handle = <&phy0>;
0215 };
0216 port@1 {
0217 reg = <1>;
0218 label = "lan1";
0219 phy-handle = <&phy1>;
0220 };
0221 port@2 {
0222 reg = <2>;
0223 label = "lan2";
0224 phy-handle = <&phy2>;
0225 };
0226 port@3 {
0227 reg = <3>;
0228 label = "lan3";
0229 phy-handle = <&phy3>;
0230 };
0231 port@4 {
0232 reg = <4>;
0233 label = "wan";
0234 phy-handle = <&phy4>;
0235 };
0236 rtl8366rb_cpu_port: port@5 {
0237 reg = <5>;
0238 label = "cpu";
0239 ethernet = <&gmac0>;
0240 phy-mode = "rgmii";
0241 fixed-link {
0242 speed = <1000>;
0243 full-duplex;
0244 pause;
0245 };
0246 };
0247
0248 };
0249
0250 mdio {
0251 compatible = "realtek,smi-mdio";
0252 #address-cells = <1>;
0253 #size-cells = <0>;
0254
0255 phy0: phy@0 {
0256 reg = <0>;
0257 interrupt-parent = <&switch_intc>;
0258 interrupts = <0>;
0259 };
0260 phy1: phy@1 {
0261 reg = <1>;
0262 interrupt-parent = <&switch_intc>;
0263 interrupts = <1>;
0264 };
0265 phy2: phy@2 {
0266 reg = <2>;
0267 interrupt-parent = <&switch_intc>;
0268 interrupts = <2>;
0269 };
0270 phy3: phy@3 {
0271 reg = <3>;
0272 interrupt-parent = <&switch_intc>;
0273 interrupts = <3>;
0274 };
0275 phy4: phy@4 {
0276 reg = <4>;
0277 interrupt-parent = <&switch_intc>;
0278 interrupts = <12>;
0279 };
0280 };
0281 };
0282
0283 soc {
0284 flash@30000000 {
0285 /*
0286 * Flash access collides with the Chip Enable signal for
0287 * the display panel, that reuse the parallel flash Chip
0288 * Select 1 (CS1). We switch the pin control state so we
0289 * enable these pins for flash access only when we need
0290 * then, and when disabled they can be used for GPIO which
0291 * is what the display panel needs.
0292 */
0293 status = "okay";
0294 pinctrl-names = "enabled", "disabled";
0295 pinctrl-0 = <&pflash_default_pins>;
0296 pinctrl-1 = <&pflash_disabled_pins>;
0297
0298 /* 32MB of flash */
0299 reg = <0x30000000 0x02000000>;
0300
0301 partitions {
0302 compatible = "fixed-partitions";
0303 #address-cells = <1>;
0304 #size-cells = <1>;
0305
0306 /*
0307 * This "RedBoot" is the Storlink derivative.
0308 */
0309 partition@0 {
0310 label = "RedBoot";
0311 reg = <0x00000000 0x00040000>;
0312 read-only;
0313 };
0314 /*
0315 * This firmware image contains the kernel catenated
0316 * with the squashfs root filesystem. For some reason
0317 * this is called "upgrade" on the vendor system.
0318 */
0319 partition@40000 {
0320 label = "upgrade";
0321 reg = <0x00040000 0x01f40000>;
0322 read-only;
0323 };
0324 /* RGDB, Residental Gateway Database? */
0325 partition@1f80000 {
0326 label = "rgdb";
0327 reg = <0x01f80000 0x00040000>;
0328 read-only;
0329 };
0330 /*
0331 * This partition contains MAC addresses for WAN,
0332 * WLAN and LAN, and the country code (for wireless
0333 * I guess).
0334 */
0335 partition@1fc0000 {
0336 label = "nvram";
0337 reg = <0x01fc0000 0x00020000>;
0338 read-only;
0339 };
0340 partition@1fe0000 {
0341 label = "LangPack";
0342 reg = <0x01fe0000 0x00020000>;
0343 read-only;
0344 };
0345 };
0346 };
0347
0348 syscon: syscon@40000000 {
0349 pinctrl {
0350 /*
0351 * gpio0bgrp cover line 5, 6 used by TK I2C
0352 * gpio0bgrp cover line 7 used by WPS LED
0353 * gpio0cgrp cover line 8, 13 used by keys
0354 * and 11, 12 used by the HD LEDs
0355 * and line 14, 15 used by RTL8366
0356 * RESET and phy ready
0357 * gpio0egrp cover line 16 used by VDISP
0358 * gpio0fgrp cover line 17 used by TK IRQ
0359 * gpio0ggrp cover line 20 used by panel CS
0360 * gpio0hgrp cover line 21,22 used by RTL8366RB MDIO
0361 */
0362 gpio0_default_pins: pinctrl-gpio0 {
0363 mux {
0364 function = "gpio0";
0365 groups = "gpio0bgrp",
0366 "gpio0cgrp",
0367 "gpio0egrp",
0368 "gpio0fgrp",
0369 "gpio0hgrp";
0370 };
0371 };
0372 /*
0373 * gpio1bgrp cover line 5,8,7 used by panel SPI
0374 * also line 6 used by the fan
0375 *
0376 */
0377 gpio1_default_pins: pinctrl-gpio1 {
0378 mux {
0379 function = "gpio1";
0380 groups = "gpio1bgrp";
0381 };
0382 };
0383 /*
0384 * These GPIO groups will be mapped in over some
0385 * of the flash pins when the flash is not in
0386 * active use.
0387 */
0388 pflash_disabled_pins: pinctrl-pflash-disabled {
0389 mux {
0390 function = "gpio0";
0391 groups = "gpio0ggrp", "gpio0igrp", "gpio0jgrp",
0392 "gpio0kgrp";
0393 };
0394 };
0395 pinctrl-gmii {
0396 mux {
0397 function = "gmii";
0398 groups = "gmii_gmac0_grp";
0399 };
0400 conf0 {
0401 pins = "V8 GMAC0 RXDV", "T10 GMAC1 RXDV",
0402 "Y7 GMAC0 RXC", "Y11 GMAC1 RXC",
0403 "T8 GMAC0 TXEN", "W11 GMAC1 TXEN",
0404 "U8 GMAC0 TXC", "V11 GMAC1 TXC",
0405 "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
0406 "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
0407 "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
0408 "V7 GMAC0 TXD2", "U7 GMAC0 TXD3",
0409 "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1",
0410 "T11 GMAC1 RXD2", "W12 GMAC1 RXD3",
0411 "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1",
0412 "W10 GMAC1 TXD2", "T9 GMAC1 TXD3";
0413 skew-delay = <7>;
0414 };
0415 /* Set up drive strength on GMAC0 to 16 mA */
0416 conf1 {
0417 groups = "gmii_gmac0_grp";
0418 drive-strength = <16>;
0419 };
0420 };
0421 };
0422 };
0423
0424 sata: sata@46000000 {
0425 cortina,gemini-ata-muxmode = <0>;
0426 cortina,gemini-enable-sata-bridge;
0427 status = "okay";
0428 };
0429
0430 gpio0: gpio@4d000000 {
0431 pinctrl-names = "default";
0432 pinctrl-0 = <&gpio0_default_pins>;
0433 };
0434
0435 gpio1: gpio@4e000000 {
0436 pinctrl-names = "default";
0437 pinctrl-0 = <&gpio1_default_pins>;
0438 };
0439
0440 pci@50000000 {
0441 status = "okay";
0442 };
0443
0444 ethernet@60000000 {
0445 status = "okay";
0446
0447 ethernet-port@0 {
0448 phy-mode = "rgmii";
0449 fixed-link {
0450 speed = <1000>;
0451 full-duplex;
0452 pause;
0453 };
0454 };
0455 ethernet-port@1 {
0456 /* Not used in this platform */
0457 };
0458 };
0459
0460 ide@63000000 {
0461 status = "okay";
0462
0463 /*
0464 * This drive may have a temperature sensor with a
0465 * thermal zone we can use for thermal control of the
0466 * chassis temperature using the fan.
0467 */
0468 drive0: ide-port@0 {
0469 reg = <0>;
0470 #thermal-sensor-cells = <0>;
0471 };
0472 };
0473
0474 display-controller@6a000000 {
0475 status = "okay";
0476
0477 port {
0478 display_out: endpoint {
0479 remote-endpoint = <&panel_in>;
0480 };
0481 };
0482 };
0483
0484 usb@68000000 {
0485 status = "okay";
0486 };
0487
0488 usb@69000000 {
0489 status = "okay";
0490 };
0491 };
0492 };
