1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
|
/*
* Device Tree file for SolidRun Clearfog revision A1 rev 2.0 (88F6828)
*
* Copyright (C) 2015 Russell King
*
* This board is in development; the contents of this file work with
* the A1 rev 2.0 of the board, which does not represent final
* production board. Things will change, don't expect this file to
* remain compatible info the future.
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This file is distributed in the hope that it will be useful
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Or, alternatively
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/dts-v1/;
#include "armada-388.dtsi"
#include "armada-38x-solidrun-microsom.dtsi"
/ {
model = "SolidRun Clearfog A1";
compatible = "solidrun,clearfog-a1", "marvell,armada388",
"marvell,armada385", "marvell,armada380";
aliases {
/* So that mvebu u-boot can update the MAC addresses */
ethernet1 = ð0;
ethernet2 = ð1;
ethernet3 = ð2;
};
chosen {
stdout-path = "serial0:115200n8";
};
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "3P3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
soc {
internal-regs {
ethernet@30000 {
phy-mode = "sgmii";
status = "okay";
fixed-link {
speed = <1000>;
full-duplex;
};
};
ethernet@34000 {
phy-mode = "sgmii";
status = "okay";
fixed-link {
speed = <1000>;
full-duplex;
};
};
i2c@11000 {
/* Is there anything on this? */
clock-frequency = <100000>;
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
status = "okay";
/*
* PCA9655 GPIO expander, up to 1MHz clock.
* 0-CON3 CLKREQ#
* 1-CON3 PERST#
* 2-CON2 PERST#
* 3-CON3 W_DISABLE
* 4-CON2 CLKREQ#
* 5-USB3 overcurrent
* 6-USB3 power
* 7-CON2 W_DISABLE
* 8-JP4 P1
* 9-JP4 P4
* 10-JP4 P5
* 11-m.2 DEVSLP
* 12-SFP_LOS
* 13-SFP_TX_FAULT
* 14-SFP_TX_DISABLE
* 15-SFP_MOD_DEF0
*/
expander0: gpio-expander@20 {
/*
* This is how it should be:
* compatible = "onnn,pca9655",
* "nxp,pca9555";
* but you can't do this because of
* the way I2C works.
*/
compatible = "nxp,pca9555";
gpio-controller;
#gpio-cells = <2>;
reg = <0x20>;
pcie1_0_clkreq {
gpio-hog;
gpios = <0 GPIO_ACTIVE_LOW>;
input;
line-name = "pcie1.0-clkreq";
};
pcie1_0_w_disable {
gpio-hog;
gpios = <3 GPIO_ACTIVE_LOW>;
output-low;
line-name = "pcie1.0-w-disable";
};
pcie2_0_clkreq {
gpio-hog;
gpios = <4 GPIO_ACTIVE_LOW>;
input;
line-name = "pcie2.0-clkreq";
};
pcie2_0_w_disable {
gpio-hog;
gpios = <7 GPIO_ACTIVE_LOW>;
output-low;
line-name = "pcie2.0-w-disable";
};
usb3_ilimit {
gpio-hog;
gpios = <5 GPIO_ACTIVE_LOW>;
input;
line-name = "usb3-current-limit";
};
usb3_power {
gpio-hog;
gpios = <6 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "usb3-power";
};
m2_devslp {
gpio-hog;
gpios = <11 GPIO_ACTIVE_HIGH>;
output-low;
line-name = "m.2 devslp";
};
sfp_los {
/* SFP loss of signal */
gpio-hog;
gpios = <12 GPIO_ACTIVE_HIGH>;
input;
line-name = "sfp-los";
};
sfp_tx_fault {
/* SFP laser fault */
gpio-hog;
gpios = <13 GPIO_ACTIVE_HIGH>;
input;
line-name = "sfp-tx-fault";
};
sfp_tx_disable {
/* SFP transmit disable */
gpio-hog;
gpios = <14 GPIO_ACTIVE_HIGH>;
output-low;
line-name = "sfp-tx-disable";
};
sfp_mod_def0 {
/* SFP module present */
gpio-hog;
gpios = <15 GPIO_ACTIVE_LOW>;
input;
line-name = "sfp-mod-def0";
};
};
/* The MCP3021 is 100kHz clock only */
mikrobus_adc: mcp3021@4c {
compatible = "microchip,mcp3021";
reg = <0x4c>;
};
/* Also something at 0x64 */
};
i2c@11100 {
/*
* Routed to SFP, mikrobus, and PCIe.
* SFP limits this to 100kHz, and requires
* an AT24C01A/02/04 with address pins tied
* low, which takes addresses 0x50 and 0x51.
* Mikrobus doesn't specify beyond an I2C
* bus being present.
* PCIe uses ARP to assign addresses, or
* 0x63-0x64.
*/
clock-frequency = <100000>;
pinctrl-0 = <&clearfog_i2c1_pins>;
pinctrl-names = "default";
status = "okay";
};
mdio@72004 {
pinctrl-0 = <&mdio_pins>;
pinctrl-names = "default";
phy_dedicated: ethernet-phy@0 {
/*
* Annoyingly, the marvell phy driver
* configures the LED register, rather
* than preserving reset-loaded setting.
* We undo that rubbish here.
*/
marvell,reg-init = <3 16 0 0x101e>;
reg = <0>;
};
};
pinctrl@18000 {
clearfog_dsa0_clk_pins: clearfog-dsa0-clk-pins {
marvell,pins = "mpp46";
marvell,function = "ref";
};
clearfog_dsa0_pins: clearfog-dsa0-pins {
marvell,pins = "mpp23", "mpp41";
marvell,function = "gpio";
};
clearfog_i2c1_pins: i2c1-pins {
/* SFP, PCIe, mSATA, mikrobus */
marvell,pins = "mpp26", "mpp27";
marvell,function = "i2c1";
};
clearfog_sdhci_cd_pins: clearfog-sdhci-cd-pins {
marvell,pins = "mpp20";
marvell,function = "gpio";
};
clearfog_sdhci_pins: clearfog-sdhci-pins {
marvell,pins = "mpp21", "mpp28",
"mpp37", "mpp38",
"mpp39", "mpp40";
marvell,function = "sd0";
};
clearfog_spi1_cs_pins: spi1-cs-pins {
marvell,pins = "mpp55";
marvell,function = "spi1";
};
mikro_pins: mikro-pins {
/* int: mpp22 rst: mpp29 */
marvell,pins = "mpp22", "mpp29";
marvell,function = "gpio";
};
mikro_spi_pins: mikro-spi-pins {
marvell,pins = "mpp43";
marvell,function = "spi1";
};
mikro_uart_pins: mikro-uart-pins {
marvell,pins = "mpp24", "mpp25";
marvell,function = "ua1";
};
rear_button_pins: rear-button-pins {
marvell,pins = "mpp34";
marvell,function = "gpio";
};
};
sata@a8000 {
/* pinctrl? */
status = "okay";
};
sata@e0000 {
/* pinctrl? */
status = "okay";
};
sdhci@d8000 {
bus-width = <4>;
cd-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
no-1-8-v;
pinctrl-0 = <&clearfog_sdhci_pins
&clearfog_sdhci_cd_pins>;
pinctrl-names = "default";
status = "okay";
vmmc = <®_3p3v>;
wp-inverted;
};
serial@12100 {
/* mikrobus uart */
pinctrl-0 = <&mikro_uart_pins>;
pinctrl-names = "default";
status = "okay";
};
spi@10680 {
/*
* We don't seem to have the W25Q32 on the
* A1 Rev 2.0 boards, so disable SPI.
* CS0: W25Q32 (doesn't appear to be present)
* CS1:
* CS2: mikrobus
*/
pinctrl-0 = <&spi1_pins
&clearfog_spi1_cs_pins
&mikro_spi_pins>;
pinctrl-names = "default";
status = "okay";
spi-flash@0
|