| blob | d6f752ab07bb7043b435e4004e7369c987f34187 |
1 /*
2 * Device Tree file for D-Link DIR-685 Xtreme N Storage Router
3 */
5 /dts-v1/;
7 #include "gemini.dtsi"
8 #include <dt-bindings/input/input.h>
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>;
16 memory {
17 /* 128 MB SDRAM in 2 x Hynix HY5DU121622DTP-D43 */
18 device_type = "memory";
19 reg = <0x00000000 0x8000000>;
20 };
22 chosen {
23 stdout-path = "uart0:115200n8";
24 };
26 gpio_keys {
27 compatible = "gpio-keys";
28 #address-cells = <1>;
29 #size-cells = <0>;
30 button-esc {
31 debounce_interval = <50>;
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 = <50>;
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 };
48 leds {
49 compatible = "gpio-leds";
50 led-wps {
51 label = "dir685:blue:WPS";
52 /* Collides with ICE */
53 gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
54 default-state = "on";
55 linux,default-trigger = "heartbeat";
56 };
57 /*
58 * These two LEDs are on the side of the device.
59 * For electrical reasons, both LEDs cannot be active
60 * at the same time so only blue or orange can on at
61 * one time. Enabling both makes the LED go dark.
62 * The LEDs both sit inside the unmount button and the
63 * label on the case says "unmount".
64 */
65 led-blue-hd {
66 label = "dir685:blue:HD";
67 /* Collides with LPC_SERIRQ, UART DTR, SSP FSC pins */
68 gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
69 default-state = "off";
70 };
71 led-orange-hd {
72 label = "dir685:orange:HD";
73 /* Collides with LPC_LAD[2], UART DSR, SSP ECLK pins */
74 gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
75 default-state = "off";
76 };
77 };
79 /*
80 * This is a Sunon Maglev GM0502PFV2-8 cooling fan @10000 RPM.
81 * Since the platform has no temperature sensor, this is controlled
82 * from userspace by using the hard disks S.M.A.R.T. temperature
83 * sensor. It is turned on when the temperature exceeds 46 degrees
84 * and turned off when the temperatures goes below 41 degrees
85 * (celsius).
86 */
87 gpio-fan {
88 compatible = "gpio-fan";
89 /* Collides with IDE */
90 gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
91 gpio-fan,speed-map = <0 0>, <10000 1>;
92 #cooling-cells = <2>;
93 };
95 /*
96 * The touchpad input is connected to a GPIO bit-banged
97 * I2C bus.
98 */
99 gpio-i2c {
100 compatible = "i2c-gpio";
101 /* Collides with ICE */
102 gpios = <&gpio0 5 0>, /* SDA */
103 <&gpio0 6 0>; /* SCL */
104 #address-cells = <1>;
105 #size-cells = <0>;
107 touchkeys@26 {
108 compatible = "dlink,dir685-touchkeys";
109 reg = <0x26>;
110 interrupt-parent = <&gpio0>;
111 /* Collides with NAND flash */
112 interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
113 };
114 };
116 soc {
117 flash@30000000 {
118 status = "okay";
119 /* 32MB of flash */
120 reg = <0x30000000 0x02000000>;
122 /*
123 * This "RedBoot" is the Storlink derivative.
124 */
125 partition@0 {
126 label = "RedBoot";
127 reg = <0x00000000 0x00040000>;
128 read-only;
129 };
130 /*
131 * This firmware image contains the kernel catenated
132 * with the squashfs root filesystem. For some reason
133 * this is called "upgrade" on the vendor system.
134 */
135 partition@40000 {
136 label = "upgrade";
137 reg = <0x00040000 0x01f40000>;
138 read-only;
139 };
140 /* RGDB, Residental Gateway Database? */
141 partition@1f80000 {
142 label = "rgdb";
143 reg = <0x01f80000 0x00040000>;
144 read-only;
145 };
146 /*
147 * This partition contains MAC addresses for WAN,
148 * WLAN and LAN, and the country code (for wireless
149 * I guess).
150 */
151 partition@1fc0000 {
152 label = "nvram";
153 reg = <0x01fc0000 0x00020000>;
154 read-only;
155 };
156 partition@1fe0000 {
157 label = "LangPack";
158 reg = <0x01fe0000 0x00020000>;
159 read-only;
160 };
161 };
163 syscon: syscon@40000000 {
164 pinctrl {
165 /*
166 * gpio0bgrp cover line 5, 6 used by TK I2C
167 * gpio0bgrp cover line 7 used by WPS LED
168 * gpio0cgrp cover line 8, 13 used by keys
169 * and 11, 12 used by the HD LEDs
170 * gpio0egrp cover line 16 used by VDISP
171 * gpio0fgrp cover line 17 used by TK IRQ
172 * gpio0ggrp cover line 20 used by panel CS
173 * gpio0hgrp cover line 21,22 used by RTL8366RB
174 */
175 gpio0_default_pins: pinctrl-gpio0 {
176 mux {
177 function = "gpio0";
178 groups = "gpio0bgrp",
179 "gpio0cgrp",
180 "gpio0egrp",
181 "gpio0fgrp",
182 "gpio0ggrp",
183 "gpio0hgrp";
184 };
185 };
186 /*
187 * gpio1bgrp cover line 5,8,7 used by panel SPI
188 * also line 6 used by the fan
189 *
190 */
191 gpio1_default_pins: pinctrl-gpio1 {
192 mux {
193 function = "gpio1";
194 groups = "gpio1bgrp";
195 };
196 };
197 };
198 };
200 sata: sata@46000000 {
201 cortina,gemini-ata-muxmode = <0>;
202 cortina,gemini-enable-sata-bridge;
203 status = "okay";
204 };
206 gpio0: gpio@4d000000 {
207 pinctrl-names = "default";
208 pinctrl-0 = <&gpio0_default_pins>;
209 };
211 gpio1: gpio@4e000000 {
212 pinctrl-names = "default";
213 pinctrl-0 = <&gpio1_default_pins>;
214 };
216 pci@50000000 {
217 status = "okay";
218 interrupt-map-mask = <0xf800 0 0 7>;
219 interrupt-map =
220 <0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */
221 <0x4800 0 0 2 &pci_intc 1>,
222 <0x4800 0 0 3 &pci_intc 2>,
223 <0x4800 0 0 4 &pci_intc 3>,
224 <0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */
225 <0x5000 0 0 2 &pci_intc 2>,
226 <0x5000 0 0 3 &pci_intc 3>,
227 <0x5000 0 0 4 &pci_intc 0>,
228 <0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */
229 <0x5800 0 0 2 &pci_intc 3>,
230 <0x5800 0 0 3 &pci_intc 0>,
231 <0x5800 0 0 4 &pci_intc 1>,
232 <0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */
233 <0x6000 0 0 2 &pci_intc 0>,
234 <0x6000 0 0 3 &pci_intc 1>,
235 <0x6000 0 0 4 &pci_intc 2>;
236 };
238 ata@63000000 {
239 status = "okay";
240 };
241 };
242 };