1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2019-20 Sean Anderson <seanga2
4 * Copyright (C) 2020 Western Digital Corporat
5 */
6 #include <dt-bindings/clock/k210-clk.h>
7 #include <dt-bindings/pinctrl/k210-fpioa.h>
8 #include <dt-bindings/reset/k210-rst.h>
9
10 / {
11 /*
12 * Although the K210 is a 64-bit CPU,
13 * wide, and the upper half of all add
14 */
15 #address-cells = <1>;
16 #size-cells = <1>;
17 compatible = "canaan,kendryte-k210";
18
19 /*
20 * The K210 has an sv39 MMU following
21 * Since this is a non-ratified draft
22 * support it and the K210 support ena
23 * Be consistent with this by setting
24 */
25 cpus {
26 #address-cells = <1>;
27 #size-cells = <0>;
28 timebase-frequency = <7800000>
29 cpu0: cpu@0 {
30 device_type = "cpu";
31 compatible = "canaan,k
32 reg = <0>;
33 riscv,isa = "rv64imafd
34 mmu-type = "riscv,none
35 i-cache-block-size = <
36 i-cache-size = <0x8000
37 d-cache-block-size = <
38 d-cache-size = <0x8000
39 cpu0_intc: interrupt-c
40 #interrupt-cel
41 interrupt-cont
42 compatible = "
43 };
44 };
45 cpu1: cpu@1 {
46 device_type = "cpu";
47 compatible = "canaan,k
48 reg = <1>;
49 riscv,isa = "rv64imafd
50 mmu-type = "riscv,none
51 i-cache-block-size = <
52 i-cache-size = <0x8000
53 d-cache-block-size = <
54 d-cache-size = <0x8000
55 cpu1_intc: interrupt-c
56 #interrupt-cel
57 interrupt-cont
58 compatible = "
59 };
60 };
61
62 cpu-map {
63 cluster0 {
64 core0 {
65 cpu =
66 };
67
68 core1 {
69 cpu =
70 };
71 };
72 };
73 };
74
75 sram: memory@80000000 {
76 device_type = "memory";
77 reg = <0x80000000 0x400000>, /
78 <0x80400000 0x200000>, /
79 <0x80600000 0x200000>; /
80 };
81
82 sram_controller: memory-controller {
83 compatible = "canaan,k210-sram
84 clocks = <&sysclk K210_CLK_SRA
85 <&sysclk K210_CLK_SRA
86 <&sysclk K210_CLK_AI>
87 clock-names = "sram0", "sram1"
88 };
89
90 clocks {
91 in0: oscillator {
92 compatible = "fixed-cl
93 #clock-cells = <0>;
94 clock-frequency = <260
95 };
96 };
97
98 soc {
99 #address-cells = <1>;
100 #size-cells = <1>;
101 compatible = "simple-bus";
102 ranges;
103 interrupt-parent = <&plic0>;
104
105 rom0: nvmem@1000 {
106 reg = <0x1000 0x1000>;
107 read-only;
108 };
109
110 clint0: timer@2000000 {
111 compatible = "canaan,k
112 reg = <0x2000000 0xC00
113 interrupts-extended =
114
115 };
116
117 plic0: interrupt-controller@c0
118 #interrupt-cells = <1>
119 #address-cells = <0>;
120 compatible = "canaan,k
121 reg = <0xC000000 0x400
122 interrupt-controller;
123 interrupts-extended =
124
125 riscv,ndev = <65>;
126 };
127
128 uarths0: serial@38000000 {
129 compatible = "canaan,k
130 reg = <0x38000000 0x10
131 interrupts = <33>;
132 clocks = <&sysclk K210
133 status = "disabled";
134 };
135
136 gpio0: gpio-controller@3800100
137 #interrupt-cells = <2>
138 #gpio-cells = <2>;
139 compatible = "canaan,k
140 reg = <0x38001000 0x10
141 interrupt-controller;
142 interrupts = <34>, <35
143 <41>, <42
144 <48>, <49
145 <55>, <56
146 <62>, <63
147 gpio-controller;
148 ngpios = <32>;
149 status = "disabled";
150 };
151
152 dmac0: dma-controller@50000000
153 compatible = "snps,axi
154 reg = <0x50000000 0x10
155 interrupts = <27>, <28
156 #dma-cells = <1>;
157 clocks = <&sysclk K210
158 clock-names = "core-cl
159 resets = <&sysrst K210
160 dma-channels = <6>;
161 snps,dma-masters = <2>
162 snps,priority = <0 1 2
163 snps,data-width = <5>;
164 snps,block-size = <0x2
165 0x2
166 snps,axi-max-burst-len
167 };
168
169 apb0: bus@50200000 {
170 #address-cells = <1>;
171 #size-cells = <1>;
172 compatible = "simple-p
173 ranges = <0x50200000 0
174 clocks = <&sysclk K210
175
176 gpio1: gpio@50200000 {
177 #address-cells
178 #size-cells =
179 compatible = "
180 reg = <0x50200
181 clocks = <&sys
182 <&sys
183 clock-names =
184 resets = <&sys
185 status = "disa
186
187 gpio1_0: gpio-
188 #gpio-
189 #inter
190 compat
191 reg =
192 interr
193 interr
194 gpio-c
195 ngpios
196 };
197 };
198
199 uart1: serial@50210000
200 compatible = "
201 reg = <0x50210
202 interrupts = <
203 clocks = <&sys
204 <&sys
205 clock-names =
206 resets = <&sys
207 reg-io-width =
208 reg-shift = <2
209 dcd-override;
210 dsr-override;
211 cts-override;
212 ri-override;
213 status = "disa
214 };
215
216 uart2: serial@50220000
217 compatible = "
218 reg = <0x50220
219 interrupts = <
220 clocks = <&sys
221 <&sys
222 clock-names =
223 resets = <&sys
224 reg-io-width =
225 reg-shift = <2
226 dcd-override;
227 dsr-override;
228 cts-override;
229 ri-override;
230 status = "disa
231 };
232
233 uart3: serial@50230000
234 compatible = "
235 reg = <0x50230
236 interrupts = <
237 clocks = <&sys
238 <&sys
239 clock-names =
240 resets = <&sys
241 reg-io-width =
242 reg-shift = <2
243 dcd-override;
244 dsr-override;
245 cts-override;
246 ri-override;
247 status = "disa
248 };
249
250 spi2: spi@50240000 {
251 compatible = "
252 spi-slave;
253 reg = <0x50240
254 #address-cells
255 #size-cells =
256 interrupts = <
257 clocks = <&sys
258 <&sys
259 clock-names =
260 resets = <&sys
261 status = "disa
262 };
263
264 i2s0: i2s@50250000 {
265 compatible = "
266 reg = <0x50250
267 interrupts = <
268 clocks = <&sys
269 clock-names =
270 resets = <&sys
271 status = "disa
272 };
273
274 i2s1: i2s@50260000 {
275 compatible = "
276 reg = <0x50260
277 interrupts = <
278 clocks = <&sys
279 clock-names =
280 resets = <&sys
281 status = "disa
282 };
283
284 i2s2: i2s@50270000 {
285 compatible = "
286 reg = <0x50270
287 interrupts = <
288 clocks = <&sys
289 clock-names =
290 resets = <&sys
291 status = "disa
292 };
293
294 i2c0: i2c@50280000 {
295 compatible = "
296 reg = <0x50280
297 interrupts = <
298 clocks = <&sys
299 <&sys
300 clock-names =
301 resets = <&sys
302 status = "disa
303 };
304
305 i2c1: i2c@50290000 {
306 compatible = "
307 reg = <0x50290
308 interrupts = <
309 clocks = <&sys
310 <&sys
311 clock-names =
312 resets = <&sys
313 status = "disa
314 };
315
316 i2c2: i2c@502a0000 {
317 compatible = "
318 reg = <0x502A0
319 interrupts = <
320 clocks = <&sys
321 <&sys
322 clock-names =
323 resets = <&sys
324 status = "disa
325 };
326
327 fpioa: pinmux@502b0000
328 compatible = "
329 reg = <0x502B0
330 clocks = <&sys
331 <&sys
332 clock-names =
333 resets = <&sys
334 canaan,k210-sy
335 };
336
337 timer0: timer@502d0000
338 compatible = "
339 reg = <0x502D0
340 interrupts = <
341 clocks = <&sys
342 <&sys
343 clock-names =
344 resets = <&sys
345 };
346
347 timer1: timer@502d0014
348 compatible = "
349 reg = <0x502D0
350 interrupts = <
351 clocks = <&sys
352 <&sys
353 clock-names =
354 resets = <&sys
355 };
356
357 timer2: timer@502e0000
358 compatible = "
359 reg = <0x502E0
360 interrupts = <
361 clocks = <&sys
362 <&sys
363 clock-names =
364 resets = <&sys
365 };
366
367 timer3: timer@502e0014
368 compatible = "
369 reg = <0x502E0
370 interrupts = <
371 clocks = <&sys
372 <&sys
373 clock-names =
374 resets = <&sys
375 };
376
377 timer4: timer@502f0000
378 compatible = "
379 reg = <0x502F0
380 interrupts = <
381 clocks = <&sys
382 <&sys
383 clock-names =
384 resets = <&sys
385 };
386
387 timer5: timer@502f0014
388 compatible = "
389 reg = <0x502F0
390 interrupts = <
391 clocks = <&sys
392 <&sys
393 clock-names =
394 resets = <&sys
395 };
396 };
397
398 apb1: bus@50400000 {
399 #address-cells = <1>;
400 #size-cells = <1>;
401 compatible = "simple-p
402 ranges = <0x50400000 0
403 clocks = <&sysclk K210
404
405 wdt0: watchdog@5040000
406 compatible = "
407 reg = <0x50400
408 interrupts = <
409 clocks = <&sys
410 <&sys
411 clock-names =
412 resets = <&sys
413 };
414
415 wdt1: watchdog@5041000
416 compatible = "
417 reg = <0x50410
418 interrupts = <
419 clocks = <&sys
420 <&sys
421 clock-names =
422 resets = <&sys
423 };
424
425 sysctl: syscon@5044000
426 compatible = "
427 "
428 reg = <0x50440
429 clocks = <&sys
430 clock-names =
431
432 sysclk: clock-
433 #clock
434 compat
435 clocks
436 };
437
438 sysrst: reset-
439 compat
440 #reset
441 };
442
443 reboot: syscon
444 compat
445 regmap
446 offset
447 mask =
448 value
449 };
450 };
451 };
452
453 apb2: bus@52000000 {
454 #address-cells = <1>;
455 #size-cells = <1>;
456 compatible = "simple-p
457 ranges = <0x52000000 0
458 clocks = <&sysclk K210
459
460 spi0: spi@52000000 {
461 #address-cells
462 #size-cells =
463 compatible = "
464 reg = <0x52000
465 interrupts = <
466 clocks = <&sys
467 <&sys
468 clock-names =
469 resets = <&sys
470 reset-names =
471 num-cs = <4>;
472 reg-io-width =
473 status = "disa
474 };
475
476 spi1: spi@53000000 {
477 #address-cells
478 #size-cells =
479 compatible = "
480 reg = <0x53000
481 interrupts = <
482 clocks = <&sys
483 <&sys
484 clock-names =
485 resets = <&sys
486 reset-names =
487 num-cs = <4>;
488 reg-io-width =
489 status = "disa
490 };
491
492 spi3: spi@54000000 {
493 #address-cells
494 #size-cells =
495 compatible = "
496 reg = <0x54000
497 interrupts = <
498 clocks = <&sys
499 <&sys
500 clock-names =
501 resets = <&sys
502 reset-names =
503
504 num-cs = <4>;
505 reg-io-width =
506 status = "disa
507 };
508 };
509 };
510 };
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