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-reset {
31 debounce-interval = <100>;
32 wakeup-source;
33 linux,code = <KEY_RESTART>;
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 sck-gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
65 miso-gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
66 mosi-gpios = <&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 * sensor. It is turned on when the temperature exceeds 46 degrees
123 * and turned off when the temperatures goes below 41 degrees
124 * (celsius).
125 */
126 fan0: gpio-fan {
127 compatible = "gpio-fan";
128 /* Collides with IDE */
129 gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
130 gpio-fan,speed-map = <0 0>, <10000 1>;
131 #cooling-cells = <2>;
132 };
133
134 thermal-zones {
135 chassis-thermal {
136 /* Poll every 20 seconds */
137 polling-delay = <20000>;
138 /* Poll every 2nd second when cooling */
139 polling-delay-passive = <2000>;
140 /* Use the thermal sensor in the hard drive */
141 thermal-sensors = <&drive0>;
142
143 /* Tripping points from the fan.script in the rootfs */
144 trips {
145 alert: chassis-alert {
146 /* At 43 degrees turn on the fan */
147 temperature = <43000>;
148 hysteresis = <3000>;
149 type = "active";
150 };
151 crit: chassis-crit {
152 /* Just shut down at 60 degrees */
153 temperature = <60000>;
154 hysteresis = <2000>;
155 type = "critical";
156 };
157 };
158
159 cooling-maps {
160 map0 {
161 trip = <&alert>;
162 cooling-device = <&fan0 1 1>;
163 };
164 };
165 };
166 };
167
168 /*
169 * The touchpad input is connected to a GPIO bit-banged
170 * I2C bus.
171 */
172 i2c {
173 compatible = "i2c-gpio";
174 /* Collides with ICE */
175 sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
176 scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
177 #address-cells = <1>;
178 #size-cells = <0>;
179
180 touchkeys@26 {
181 compatible = "dlink,dir685-touchkeys";
182 reg = <0x26>;
183 interrupt-parent = <&gpio0>;
184 /* Collides with NAND flash */
185 interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
186 };
187 };
188
189 /* This is a RealTek RTL8366RB switch and PHY using SMI over GPIO */
190 ethernet-switch {
191 compatible = "realtek,rtl8366rb";
192 /* 22 = MDIO (has input reads), 21 = MDC (clock, output only) */
193 mdc-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
194 mdio-gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>;
195 reset-gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
196 realtek,disable-leds;
197
198 switch_intc: interrupt-controller {
199 /* GPIO 15 provides the interrupt */
200 interrupt-parent = <&gpio0>;
201 interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
202 interrupt-controller;
203 #address-cells = <0>;
204 #interrupt-cells = <1>;
205 };
206
207 ethernet-ports {
208 #address-cells = <1>;
209 #size-cells = <0>;
210
211 ethernet-port@0 {
212 reg = <0>;
213 label = "lan0";
214 phy-handle = <&phy0>;
215 };
216 ethernet-port@1 {
217 reg = <1>;
218 label = "lan1";
219 phy-handle = <&phy1>;
220 };
221 ethernet-port@2 {
222 reg = <2>;
223 label = "lan2";
224 phy-handle = <&phy2>;
225 };
226 ethernet-port@3 {
227 reg = <3>;
228 label = "lan3";
229 phy-handle = <&phy3>;
230 };
231 ethernet-port@4 {
232 reg = <4>;
233 label = "wan";
234 phy-handle = <&phy4>;
235 };
236 rtl8366rb_cpu_port: ethernet-port@5 {
237 reg = <5>;
238 label = "cpu";
239 ethernet = <&gmac0>;
240 phy-mode = "rgmii";
241 fixed-link {
242 speed = <1000>;
243 full-duplex;
244 pause;
245 };
246 };
247
248 };
249
250 mdio {
251 compatible = "realtek,smi-mdio";
252 #address-cells = <1>;
253 #size-cells = <0>;
254
255 phy0: ethernet-phy@0 {
256 reg = <0>;
257 interrupt-parent = <&switch_intc>;
258 interrupts = <0>;
259 };
260 phy1: ethernet-phy@1 {
261 reg = <1>;
262 interrupt-parent = <&switch_intc>;
263 interrupts = <1>;
264 };
265 phy2: ethernet-phy@2 {
266 reg = <2>;
267 interrupt-parent = <&switch_intc>;
268 interrupts = <2>;
269 };
270 phy3: ethernet-phy@3 {
271 reg = <3>;
272 interrupt-parent = <&switch_intc>;
273 interrupts = <3>;
274 };
275 phy4: ethernet-phy@4 {
276 reg = <4>;
277 interrupt-parent = <&switch_intc>;
278 interrupts = <12>;
279 };
280 };
281 };
282
283 soc {
284 flash@30000000 {
285 /*
286 * Flash access collides with the Chip Enable signal for
287 * the display panel, that reuse the parallel flash Chip
288 * Select 1 (CS1). We switch the pin control state so we
289 * enable these pins for flash access only when we need
290 * then, and when disabled they can be used for GPIO which
291 * is what the display panel needs.
292 */
293 status = "okay";
294 pinctrl-names = "enabled", "disabled";
295 pinctrl-0 = <&pflash_default_pins>;
296 pinctrl-1 = <&pflash_disabled_pins>;
297
298 /* 32MB of flash */
299 reg = <0x30000000 0x02000000>;
300
301 partitions {
302 compatible = "fixed-partitions";
303 #address-cells = <1>;
304 #size-cells = <1>;
305
306 /*
307 * This "RedBoot" is the Storlink derivative.
308 */
309 partition@0 {
310 label = "RedBoot";
311 reg = <0x00000000 0x00040000>;
312 read-only;
313 };
314 /*
315 * This firmware image contains the kernel catenated
316 * with the squashfs root filesystem. For some reason
317 * this is called "upgrade" on the vendor system.
318 */
319 partition@40000 {
320 label = "upgrade";
321 reg = <0x00040000 0x01f40000>;
322 read-only;
323 };
324 /* RGDB, Residental Gateway Database? */
325 partition@1f80000 {
326 label = "rgdb";
327 reg = <0x01f80000 0x00040000>;
328 read-only;
329 };
330 /*
331 * This partition contains MAC addresses for WAN,
332 * WLAN and LAN, and the country code (for wireless
333 * I guess).
334 */
335 partition@1fc0000 {
336 label = "nvram";
337 reg = <0x01fc0000 0x00020000>;
338 read-only;
339 };
340 partition@1fe0000 {
341 label = "LangPack";
342 reg = <0x01fe0000 0x00020000>;
343 read-only;
344 };
345 };
346 };
347
348 syscon: syscon@40000000 {
349 pinctrl {
350 /*
351 * gpio0bgrp cover line 5, 6 used by TK I2C
352 * gpio0bgrp cover line 7 used by WPS LED
353 * gpio0cgrp cover line 8, 13 used by keys
354 * and 11, 12 used by the HD LEDs
355 * and line 14, 15 used by RTL8366
356 * RESET and phy ready
357 * gpio0egrp cover line 16 used by VDISP
358 * gpio0fgrp cover line 17 used by TK IRQ
359 * gpio0ggrp cover line 20 used by panel CS
360 * gpio0hgrp cover line 21,22 used by RTL8366RB MDIO
361 */
362 gpio0_default_pins: pinctrl-gpio0 {
363 mux {
364 function = "gpio0";
365 groups = "gpio0bgrp",
366 "gpio0cgrp",
367 "gpio0egrp",
368 "gpio0fgrp",
369 "gpio0hgrp";
370 };
371 };
372 /*
373 * gpio1bgrp cover line 5,8,7 used by panel SPI
374 * also line 6 used by the fan
375 *
376 */
377 gpio1_default_pins: pinctrl-gpio1 {
378 mux {
379 function = "gpio1";
380 groups = "gpio1bgrp";
381 };
382 };
383 /*
384 * These GPIO groups will be mapped in over some
385 * of the flash pins when the flash is not in
386 * active use.
387 */
388 pflash_disabled_pins: pinctrl-pflash-disabled {
389 mux {
390 function = "gpio0";
391 groups = "gpio0ggrp", "gpio0igrp", "gpio0jgrp",
392 "gpio0kgrp";
393 };
394 };
395 pinctrl-gmii {
396 mux {
397 function = "gmii";
398 groups = "gmii_gmac0_grp";
399 };
400 conf0 {
401 pins = "V8 GMAC0 RXDV", "T10 GMAC1 RXDV",
402 "Y7 GMAC0 RXC", "Y11 GMAC1 RXC",
403 "T8 GMAC0 TXEN", "W11 GMAC1 TXEN",
404 "U8 GMAC0 TXC", "V11 GMAC1 TXC",
405 "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
406 "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
407 "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
408 "V7 GMAC0 TXD2", "U7 GMAC0 TXD3",
409 "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1",
410 "T11 GMAC1 RXD2", "W12 GMAC1 RXD3",
411 "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1",
412 "W10 GMAC1 TXD2", "T9 GMAC1 TXD3";
413 skew-delay = <7>;
414 };
415 /* Set up drive strength on GMAC0 to 16 mA */
416 conf1 {
417 groups = "gmii_gmac0_grp";
418 drive-strength = <16>;
419 };
420 };
421 };
422 };
423
424 sata: sata@46000000 {
425 cortina,gemini-ata-muxmode = <0>;
426 cortina,gemini-enable-sata-bridge;
427 status = "okay";
428 };
429
430 gpio0: gpio@4d000000 {
431 pinctrl-names = "default";
432 pinctrl-0 = <&gpio0_default_pins>;
433 };
434
435 gpio1: gpio@4e000000 {
436 pinctrl-names = "default";
437 pinctrl-0 = <&gpio1_default_pins>;
438 };
439
440 pci@50000000 {
441 status = "okay";
442 };
443
444 ethernet@60000000 {
445 status = "okay";
446
447 ethernet-port@0 {
448 phy-mode = "rgmii";
449 fixed-link {
450 speed = <1000>;
451 full-duplex;
452 pause;
453 };
454 };
455 ethernet-port@1 {
456 /* Not used in this platform */
457 };
458 };
459
460 ide@63000000 {
461 status = "okay";
462
463 /*
464 * This drive may have a temperature sensor with a
465 * thermal zone we can use for thermal control of the
466 * chassis temperature using the fan.
467 */
468 drive0: ide-port@0 {
469 reg = <0>;
470 #thermal-sensor-cells = <0>;
471 };
472 };
473
474 display-controller@6a000000 {
475 status = "okay";
476
477 port {
478 display_out: endpoint {
479 remote-endpoint = <&panel_in>;
480 };
481 };
482 };
483
484 usb@68000000 {
485 status = "okay";
486 };
487
488 usb@69000000 {
489 status = "okay";
490 };
491 };
492 };
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