1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * TOPEET's Exynos4412 based itop board device tree source
4 *
5 * Copyright (c) 2016 SUMOMO Computer Association
6 * https://www.sumomo.mobi
7 * Randy Li <ayaka@soulik.info>
8 *
9 * Device tree source file for TOPEET iTop Exynos 4412 SCP package core
10 * board which is based on Samsung's Exynos4412 SoC.
11 */
12
13 #include <dt-bindings/clock/samsung,s2mps11.h>
14 #include <dt-bindings/gpio/gpio.h>
15 #include <dt-bindings/input/input.h>
16 #include "exynos4412.dtsi"
17 #include "exynos4412-ppmu-common.dtsi"
18 #include "exynos-mfc-reserved-memory.dtsi"
19
20 / {
21 memory@40000000 {
22 device_type = "memory";
23 reg = <0x40000000 0x40000000>;
24 };
25
26 aliases {
27 mmc0 = &mshc_0;
28 };
29
30 firmware@203f000 {
31 compatible = "samsung,secure-firmware";
32 reg = <0x0203f000 0x1000>;
33 };
34
35 fixed-rate-clocks {
36 xxti {
37 compatible = "samsung,clock-xxti";
38 clock-frequency = <0>;
39 };
40
41 xusbxti {
42 compatible = "samsung,clock-xusbxti";
43 clock-frequency = <24000000>;
44 };
45 };
46
47 thermal-zones {
48 cpu_thermal: cpu-thermal {
49 cooling-maps {
50 map0 {
51 /* Corresponds to 800MHz at freq_table */
52 cooling-device = <&cpu0 7 7>, <&cpu1 7 7>,
53 <&cpu2 7 7>, <&cpu3 7 7>;
54 };
55 map1 {
56 /* Corresponds to 200MHz at freq_table */
57 cooling-device = <&cpu0 13 13>,
58 <&cpu1 13 13>,
59 <&cpu2 13 13>,
60 <&cpu3 13 13>;
61 };
62 };
63 };
64 };
65
66 usb-hub {
67 compatible = "smsc,usb3503a";
68 reset-gpios = <&gpm2 4 GPIO_ACTIVE_LOW>;
69 connect-gpios = <&gpm3 3 GPIO_ACTIVE_HIGH>;
70 intn-gpios = <&gpx2 3 GPIO_ACTIVE_HIGH>;
71 pinctrl-names = "default";
72 pinctrl-0 = <&hsic_reset>;
73 };
74 };
75
76 &bus_dmc {
77 devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>;
78 vdd-supply = <&buck1_reg>;
79 status = "okay";
80 };
81
82 &bus_acp {
83 devfreq = <&bus_dmc>;
84 status = "okay";
85 };
86
87 &bus_c2c {
88 devfreq = <&bus_dmc>;
89 status = "okay";
90 };
91
92 &bus_leftbus {
93 devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>;
94 vdd-supply = <&buck3_reg>;
95 status = "okay";
96 };
97
98 &bus_rightbus {
99 devfreq = <&bus_leftbus>;
100 status = "okay";
101 };
102
103 &bus_fsys {
104 devfreq = <&bus_leftbus>;
105 status = "okay";
106 };
107
108 &bus_peri {
109 devfreq = <&bus_leftbus>;
110 status = "okay";
111 };
112
113 &bus_mfc {
114 devfreq = <&bus_leftbus>;
115 status = "okay";
116 };
117
118 &cpu0 {
119 cpu0-supply = <&buck2_reg>;
120 };
121
122 &gpu {
123 mali-supply = <&buck4_reg>;
124 status = "okay";
125 };
126
127 &hsotg {
128 vusb_d-supply = <&ldo15_reg>;
129 vusb_a-supply = <&ldo12_reg>;
130 };
131
132 &i2c_1 {
133 #address-cells = <1>;
134 #size-cells = <0>;
135 samsung,i2c-sda-delay = <100>;
136 samsung,i2c-max-bus-freq = <400000>;
137 pinctrl-0 = <&i2c1_bus>;
138 pinctrl-names = "default";
139 status = "okay";
140
141 s5m8767: pmic@66 {
142 compatible = "samsung,s5m8767-pmic";
143 reg = <0x66>;
144
145 s5m8767,pmic-buck-default-dvs-idx = <3>;
146
147 s5m8767,pmic-buck-dvs-gpios = <&gpb 5 GPIO_ACTIVE_HIGH>,
148 <&gpb 6 GPIO_ACTIVE_HIGH>,
149 <&gpb 7 GPIO_ACTIVE_HIGH>;
150
151 s5m8767,pmic-buck-ds-gpios = <&gpm3 5 GPIO_ACTIVE_HIGH>,
152 <&gpm3 6 GPIO_ACTIVE_HIGH>,
153 <&gpm3 7 GPIO_ACTIVE_HIGH>;
154
155 /* VDD_ARM */
156 s5m8767,pmic-buck2-dvs-voltage = <1356250>, <1300000>,
157 <1243750>, <1118750>,
158 <1068750>, <1012500>,
159 <956250>, <900000>;
160 /* VDD_INT */
161 s5m8767,pmic-buck3-dvs-voltage = <1000000>, <1000000>,
162 <925000>, <925000>,
163 <887500>, <887500>,
164 <850000>, <850000>;
165 /* VDD_G3D */
166 s5m8767,pmic-buck4-dvs-voltage = <1081250>, <1081250>,
167 <1025000>, <950000>,
168 <918750>, <900000>,
169 <875000>, <831250>;
170 wakeup-source;
171
172 regulators {
173 ldo1_reg: LDO1 {
174 regulator-name = "VDD_ALIVE";
175 regulator-min-microvolt = <1100000>;
176 regulator-max-microvolt = <1100000>;
177 regulator-always-on;
178 regulator-boot-on;
179 op_mode = <1>; /* Normal Mode */
180 };
181
182 /* SCP uses 1.5v, POP uses 1.2v */
183 ldo2_reg: LDO2 {
184 regulator-name = "VDDQ_M12";
185 regulator-min-microvolt = <1500000>;
186 regulator-max-microvolt = <1500000>;
187 regulator-always-on;
188 regulator-boot-on;
189 op_mode = <1>; /* Normal Mode */
190 };
191
192 ldo3_reg: LDO3 {
193 regulator-name = "VDDIOAP_18";
194 regulator-min-microvolt = <1800000>;
195 regulator-max-microvolt = <1800000>;
196 regulator-always-on;
197 op_mode = <1>; /* Normal Mode */
198 };
199
200 ldo4_reg: LDO4 {
201 regulator-name = "VDDQ_PRE";
202 regulator-min-microvolt = <1800000>;
203 regulator-max-microvolt = <1800000>;
204 regulator-always-on;
205 op_mode = <1>; /* Normal Mode */
206 };
207
208 ldo5_reg: LDO5 {
209 regulator-name = "VDD_LDO5";
210 op_mode = <0>; /* Always off Mode */
211 };
212
213 ldo6_reg: LDO6 {
214 regulator-name = "VDD10_MPLL";
215 regulator-min-microvolt = <1000000>;
216 regulator-max-microvolt = <1000000>;
217 regulator-always-on;
218 op_mode = <1>; /* Normal Mode */
219 };
220
221 ldo7_reg: LDO7 {
222 regulator-name = "VDD10_XPLL";
223 regulator-min-microvolt = <1000000>;
224 regulator-max-microvolt = <1000000>;
225 regulator-always-on;
226 op_mode = <1>; /* Normal Mode */
227 };
228
229 ldo8_reg: LDO8 {
230 regulator-name = "VDD10_MIPI";
231 regulator-min-microvolt = <1000000>;
232 regulator-max-microvolt = <1000000>;
233 op_mode = <1>; /* Normal Mode */
234 };
235
236 ldo9_reg: LDO9 {
237 regulator-name = "VDD33_LCD";
238 regulator-min-microvolt = <3300000>;
239 regulator-max-microvolt = <3300000>;
240 op_mode = <1>; /* Normal Mode */
241 };
242
243 ldo10_reg: LDO10 {
244 regulator-name = "VDD18_MIPI";
245 regulator-min-microvolt = <1800000>;
246 regulator-max-microvolt = <1800000>;
247 op_mode = <1>; /* Normal Mode */
248 };
249
250 ldo11_reg: LDO11 {
251 regulator-name = "VDD18_ABB1";
252 regulator-min-microvolt = <1800000>;
253 regulator-max-microvolt = <1800000>;
254 regulator-always-on;
255 op_mode = <1>; /* Normal Mode */
256 };
257
258 ldo12_reg: LDO12 {
259 regulator-name = "VDD33_UOTG";
260 regulator-min-microvolt = <3300000>;
261 regulator-max-microvolt = <3300000>;
262 regulator-always-on;
263 op_mode = <1>; /* Normal Mode */
264 };
265
266 ldo13_reg: LDO13 {
267 regulator-name = "VDDIOPERI_18";
268 regulator-min-microvolt = <1800000>;
269 regulator-max-microvolt = <1800000>;
270 regulator-always-on;
271 op_mode = <1>; /* Normal Mode */
272 };
273
274 ldo14_reg: LDO14 {
275 regulator-name = "VDD18_ABB02";
276 regulator-min-microvolt = <1800000>;
277 regulator-max-microvolt = <1800000>;
278 regulator-always-on;
279 op_mode = <1>; /* Normal Mode */
280 };
281
282 ldo15_reg: LDO15 {
283 regulator-name = "VDD10_USH";
284 regulator-min-microvolt = <1000000>;
285 regulator-max-microvolt = <1000000>;
286 regulator-always-on;
287 op_mode = <1>; /* Normal Mode */
288 };
289
290 ldo16_reg: LDO16 {
291 regulator-name = "VDD18_HSIC";
292 regulator-min-microvolt = <1800000>;
293 regulator-max-microvolt = <1800000>;
294 regulator-always-on;
295 op_mode = <1>; /* Normal Mode */
296 };
297
298 ldo17_reg: LDO17 {
299 regulator-name = "VDDIOAP_MMC012_28";
300 regulator-min-microvolt = <2800000>;
301 regulator-max-microvolt = <2800000>;
302 op_mode = <1>; /* Normal Mode */
303 };
304
305 /* Used by HSIC */
306 ldo18_reg: LDO18 {
307 regulator-name = "VDDIOPERI_28";
308 regulator-min-microvolt = <3300000>;
309 regulator-max-microvolt = <3300000>;
310 regulator-always-on;
311 op_mode = <1>; /* Normal Mode */
312 };
313
314 ldo19_reg: LDO19 {
315 regulator-name = "VDD_LDO19";
316 op_mode = <0>; /* Always off Mode */
317 };
318
319 ldo20_reg: LDO20 {
320 regulator-name = "VDD28_CAM";
321 regulator-min-microvolt = <1800000>;
322 regulator-max-microvolt = <2800000>;
323 op_mode = <1>; /* Normal Mode */
324 };
325
326 ldo21_reg: LDO21 {
327 regulator-name = "VDD28_AF";
328 regulator-min-microvolt = <1800000>;
329 regulator-max-microvolt = <2800000>;
330 op_mode = <1>; /* Normal Mode */
331 };
332
333 ldo22_reg: LDO22 {
334 regulator-name = "VDDA28_2M";
335 regulator-min-microvolt = <2800000>;
336 regulator-max-microvolt = <2800000>;
337 op_mode = <1>; /* Normal Mode */
338 };
339
340 ldo23_reg: LDO23 {
341 regulator-name = "VDD28_TF";
342 regulator-min-microvolt = <2800000>;
343 regulator-max-microvolt = <2800000>;
344 op_mode = <1>; /* Normal Mode */
345 };
346
347 ldo24_reg: LDO24 {
348 regulator-name = "VDD33_A31";
349 regulator-min-microvolt = <3300000>;
350 regulator-max-microvolt = <3300000>;
351 op_mode = <1>; /* Normal Mode */
352 };
353
354 ldo25_reg: LDO25 {
355 regulator-name = "VDD18_CAM";
356 regulator-min-microvolt = <1800000>;
357 regulator-max-microvolt = <1800000>;
358 op_mode = <1>; /* Normal Mode */
359 };
360
361 ldo26_reg: LDO26 {
362 regulator-name = "VDD18_A31";
363 regulator-min-microvolt = <1800000>;
364 regulator-max-microvolt = <1800000>;
365 op_mode = <1>; /* Normal Mode */
366 };
367
368 ldo27_reg: LDO27 {
369 regulator-name = "GPS_1V8";
370 regulator-min-microvolt = <1800000>;
371 regulator-max-microvolt = <1800000>;
372 op_mode = <1>; /* Normal Mode */
373 };
374
375 ldo28_reg: LDO28 {
376 regulator-name = "DVDD12";
377 regulator-min-microvolt = <1200000>;
378 regulator-max-microvolt = <1200000>;
379 op_mode = <1>; /* Normal Mode */
380 };
381
382 buck1_reg: BUCK1 {
383 regulator-name = "vdd_mif";
384 regulator-min-microvolt = <850000>;
385 regulator-max-microvolt = <1100000>;
386 regulator-always-on;
387 regulator-boot-on;
388 op_mode = <1>; /* Normal Mode */
389 };
390
391 buck2_reg: BUCK2 {
392 regulator-name = "vdd_arm";
393 regulator-min-microvolt = <850000>;
394 regulator-max-microvolt = <1456250>;
395 regulator-always-on;
396 regulator-boot-on;
397 op_mode = <1>; /* Normal Mode */
398 };
399
400 buck3_reg: BUCK3 {
401 regulator-name = "vdd_int";
402 regulator-min-microvolt = <875000>;
403 regulator-max-microvolt = <1200000>;
404 regulator-always-on;
405 regulator-boot-on;
406 op_mode = <1>; /* Normal Mode */
407 };
408
409 buck4_reg: BUCK4 {
410 regulator-name = "vdd_g3d";
411 regulator-min-microvolt = <750000>;
412 regulator-max-microvolt = <1500000>;
413 regulator-always-on;
414 regulator-boot-on;
415 op_mode = <1>; /* Normal Mode */
416 };
417
418 buck5_reg: BUCK5 {
419 regulator-name = "vdd_m12";
420 regulator-min-microvolt = <750000>;
421 regulator-max-microvolt = <1500000>;
422 regulator-always-on;
423 regulator-boot-on;
424 op_mode = <1>; /* Normal Mode */
425 };
426
427 buck6_reg: BUCK6 {
428 regulator-name = "vdd12_5m";
429 regulator-min-microvolt = <750000>;
430 regulator-max-microvolt = <1500000>;
431 regulator-always-on;
432 regulator-boot-on;
433 op_mode = <1>; /* Normal Mode */
434 };
435
436 buck7_reg: BUCK7 {
437 regulator-name = "pvdd_buck7";
438 regulator-min-microvolt = <750000>;
439 regulator-max-microvolt = <2000000>;
440 regulator-boot-on;
441 regulator-always-on;
442 op_mode = <1>; /* Normal Mode */
443 };
444
445 buck8_reg: BUCK8 {
446 regulator-name = "pvdd_buck8";
447 regulator-min-microvolt = <750000>;
448 regulator-max-microvolt = <1500000>;
449 regulator-boot-on;
450 regulator-always-on;
451 op_mode = <1>; /* Normal Mode */
452 };
453
454 buck9_reg: BUCK9 {
455 regulator-name = "vddf28_emmc";
456 regulator-min-microvolt = <750000>;
457 regulator-max-microvolt = <3000000>;
458 op_mode = <1>; /* Normal Mode */
459 };
460 };
461
462 s5m8767_osc: clocks {
463 compatible = "samsung,s5m8767-clk";
464 #clock-cells = <1>;
465 clock-output-names = "s5m8767_ap",
466 "s5m8767_cp", "s5m8767_bt";
467 };
468
469 };
470 };
471
472 &mfc {
473 status = "okay";
474 };
475
476 &mshc_0 {
477 pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>;
478 pinctrl-names = "default";
479 status = "okay";
480 vmmc-supply = <&buck9_reg>;
481 broken-cd;
482 card-detect-delay = <200>;
483 mmc-ddr-1_8v;
484 samsung,dw-mshc-ciu-div = <3>;
485 samsung,dw-mshc-sdr-timing = <2 3>;
486 samsung,dw-mshc-ddr-timing = <1 2>;
487 bus-width = <8>;
488 cap-mmc-highspeed;
489 };
490
491 &pinctrl_1 {
492 hsic_reset: hsic-reset-pins {
493 samsung,pins = "gpm2-4";
494 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
495 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
496 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV4>;
497 };
498 };
499
500 &rtc {
501 status = "okay";
502 clocks = <&clock CLK_RTC>, <&s5m8767_osc S2MPS11_CLK_AP>;
503 clock-names = "rtc", "rtc_src";
504 };
505
506 &tmu {
507 vtmu-supply = <&ldo16_reg>;
508 status = "okay";
509 };
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