1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Device Tree file for D-Link DNS-313 1-Bay Network Storage Enclosure
4 */
5
6 /dts-v1/;
7
8 #include "gemini.dtsi"
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/thermal/thermal.h>
11
12 / {
13 model = "D-Link DNS-313 1-Bay Network Storage Enclosure";
14 compatible = "dlink,dns-313", "cortina,gemini";
15 #address-cells = <1>;
16 #size-cells = <1>;
17
18 memory@0 {
19 /* 64 MB SDRAM in a Nanya NT5DS32M16BS-6K package */
20 device_type = "memory";
21 reg = <0x00000000 0x4000000>;
22 };
23
24 aliases {
25 mdio-gpio0 = &mdio0;
26 };
27
28 chosen {
29 bootargs = "console=ttyS0,19200n8 root=/dev/sda4 rw rootwait";
30 stdout-path = "uart0:19200n8";
31 };
32
33 gpio_keys {
34 compatible = "gpio-keys";
35
36 button-reset {
37 debounce-interval = <100>;
38 wakeup-source;
39 linux,code = <KEY_RESTART>;
40 label = "reset";
41 gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
42 };
43 };
44
45 leds {
46 compatible = "gpio-leds";
47 led-power {
48 label = "dns313:blue:power";
49 gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
50 default-state = "on";
51 linux,default-trigger = "heartbeat";
52 };
53 led-disk-blue {
54 label = "dns313:blue:disk";
55 gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
56 default-state = "off";
57 };
58 led-disk-green {
59 label = "dns313:green:disk";
60 gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
61 default-state = "off";
62 linux,default-trigger = "disk-read";
63 };
64 led-disk-red {
65 label = "dns313:red:disk";
66 gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
67 default-state = "off";
68 linux,default-trigger = "disk-write";
69 };
70 };
71
72 /*
73 * This is a ADDA AD0405GB-G73 fan @3000 and 6000 RPM.
74 */
75 fan0: gpio-fan {
76 compatible = "gpio-fan";
77 gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>,
78 <&gpio0 12 GPIO_ACTIVE_HIGH>;
79 gpio-fan,speed-map = <0 0>, <3000 1>, <6000 2>;
80 #cooling-cells = <2>;
81 };
82
83 /*
84 * This is the type B USB connector on the device,
85 * a GPIO-controlled USB VBUS detect
86 */
87 usb1_phy: phy {
88 compatible = "gpio-usb-b-connector", "usb-b-connector";
89 #phy-cells = <0>;
90 vbus-gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
91 };
92
93 /* Global Mixed-Mode Technology G751 mounted on GPIO I2C */
94 i2c {
95 compatible = "i2c-gpio";
96 sda-gpios = <&gpio0 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
97 scl-gpios = <&gpio0 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
98 #address-cells = <1>;
99 #size-cells = <0>;
100
101 g751: temperature-sensor@48 {
102 compatible = "gmt,g751";
103 reg = <0x48>;
104 #thermal-sensor-cells = <0>;
105 };
106 };
107
108 thermal-zones {
109 chassis-thermal {
110 /* Poll every 20 seconds */
111 polling-delay = <20000>;
112 /* Poll every 2nd second when cooling */
113 polling-delay-passive = <2000>;
114
115 thermal-sensors = <&g751>;
116
117 /* Tripping points from the fan.script in the rootfs */
118 trips {
119 chassis_alert0: chassis-alert0 {
120 /* At 43 degrees turn on low speed */
121 temperature = <43000>;
122 hysteresis = <3000>;
123 type = "active";
124 };
125 chassis_alert1: chassis-alert1 {
126 /* At 47 degrees turn on high speed */
127 temperature = <47000>;
128 hysteresis = <3000>;
129 type = "active";
130 };
131 chassis_crit: chassis-crit {
132 /* Just shut down at 60 degrees */
133 temperature = <60000>;
134 hysteresis = <2000>;
135 type = "critical";
136 };
137 };
138
139 cooling-maps {
140 map0 {
141 trip = <&chassis_alert0>;
142 cooling-device = <&fan0 1 1>;
143 };
144 map1 {
145 trip = <&chassis_alert1>;
146 cooling-device = <&fan0 2 2>;
147 };
148 };
149 };
150 };
151
152 mdio0: mdio {
153 compatible = "virtual,mdio-gpio";
154 /* Uses MDC and MDIO */
155 gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
156 <&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
157 #address-cells = <1>;
158 #size-cells = <0>;
159
160 /* This is a Realtek RTL8211B Gigabit ethernet transceiver */
161 phy0: ethernet-phy@1 {
162 reg = <1>;
163 device_type = "ethernet-phy";
164 };
165 };
166
167 soc {
168 flash@30000000 {
169 /*
170 * This is a Eon EN29LV400AB 512 KiB flash with
171 * three partitions.
172 */
173 compatible = "cortina,gemini-flash", "jedec-flash";
174 status = "okay";
175 reg = <0x30000000 0x00080000>;
176 #address-cells = <1>;
177 #size-cells = <1>;
178
179 /*
180 * This "RedBoot" is the Storlink derivative.
181 */
182 partition@0 {
183 label = "RedBoot";
184 reg = <0x00000000 0x00040000>;
185 read-only;
186 };
187 partition@40000 {
188 label = "MTD1";
189 reg = <0x00040000 0x00020000>;
190 read-only;
191 };
192 partition@60000 {
193 label = "MTD2";
194 reg = <0x00060000 0x00020000>;
195 read-only;
196 };
197 };
198
199 syscon: syscon@40000000 {
200 pinctrl {
201 /*
202 */
203 gpio0_default_pins: pinctrl-gpio0 {
204 mux {
205 function = "gpio0";
206 groups =
207 /* Used by LEDs conflicts ICE */
208 "gpio0bgrp",
209 /* Used by ? conflicts ICE */
210 "gpio0cgrp",
211 /*
212 * Used by fan & G751, conflicts LPC,
213 * UART modem lines, SSP
214 */
215 "gpio0egrp",
216 /* Used by G751 */
217 "gpio0fgrp",
218 /* Used by MDIO */
219 "gpio0igrp";
220 };
221 };
222 gpio1_default_pins: pinctrl-gpio1 {
223 mux {
224 function = "gpio1";
225 /* Used by "reset" button */
226 groups = "gpio1dgrp";
227 };
228 };
229 pinctrl-gmii {
230 mux {
231 function = "gmii";
232 groups = "gmii_gmac0_grp";
233 };
234 /*
235 * In the vendor Linux tree, these values are set for the C3
236 * version of the SL3512 ASIC with the comment "benson suggest"
237 */
238 conf0 {
239 pins = "R8 GMAC0 RXDV", "U11 GMAC1 RXDV";
240 skew-delay = <0>;
241 };
242 conf1 {
243 pins = "T8 GMAC0 RXC";
244 skew-delay = <10>;
245 };
246 conf2 {
247 pins = "T11 GMAC1 RXC";
248 skew-delay = <15>;
249 };
250 conf3 {
251 pins = "P8 GMAC0 TXEN", "V11 GMAC1 TXEN";
252 skew-delay = <7>;
253 };
254 conf4 {
255 pins = "V7 GMAC0 TXC", "P10 GMAC1 TXC";
256 skew-delay = <10>;
257 };
258 conf5 {
259 /* The data lines all have default skew */
260 pins = "U8 GMAC0 RXD0", "V8 GMAC0 RXD1",
261 "P9 GMAC0 RXD2", "R9 GMAC0 RXD3",
262 "R11 GMAC1 RXD0", "P11 GMAC1 RXD1",
263 "V12 GMAC1 RXD2", "U12 GMAC1 RXD3",
264 "R10 GMAC1 TXD0", "T10 GMAC1 TXD1",
265 "U10 GMAC1 TXD2", "V10 GMAC1 TXD3";
266 skew-delay = <7>;
267 };
268 conf6 {
269 pins = "U7 GMAC0 TXD0", "T7 GMAC0 TXD1",
270 "R7 GMAC0 TXD2", "P7 GMAC0 TXD3";
271 skew-delay = <5>;
272 };
273 /* Set up drive strength on GMAC0 to 16 mA */
274 conf7 {
275 groups = "gmii_gmac0_grp";
276 drive-strength = <16>;
277 };
278 };
279 };
280 };
281
282 sata: sata@46000000 {
283 /* The ROM uses this muxmode */
284 cortina,gemini-ata-muxmode = <0>;
285 cortina,gemini-enable-sata-bridge;
286 status = "okay";
287 };
288
289 gpio0: gpio@4d000000 {
290 pinctrl-names = "default";
291 pinctrl-0 = <&gpio0_default_pins>;
292 };
293
294 gpio1: gpio@4e000000 {
295 pinctrl-names = "default";
296 pinctrl-0 = <&gpio1_default_pins>;
297 };
298
299 ethernet@60000000 {
300 status = "okay";
301
302 ethernet-port@0 {
303 phy-mode = "rgmii";
304 phy-handle = <&phy0>;
305 };
306 ethernet-port@1 {
307 /* Not used in this platform */
308 };
309 };
310
311 ide@63000000 {
312 status = "okay";
313 };
314
315 usb@69000000 {
316 status = "okay";
317 dr_mode = "peripheral";
318 usb-phy = <&usb1_phy>;
319 pinctrl-names = "default";
320 pinctrl-0 = <&usb_default_pins>;
321 };
322 };
323 };
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