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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Common definition for Hardkernel's Exynos4412 based ODROID-X/X2/U2/U3 boards
4 * device tree source
5 */
6
7#include <dt-bindings/sound/samsung-i2s.h>
8#include <dt-bindings/input/input.h>
9#include <dt-bindings/clock/maxim,max77686.h>
10#include "exynos4412.dtsi"
11#include "exynos4412-ppmu-common.dtsi"
12#include <dt-bindings/gpio/gpio.h>
13#include "exynos-mfc-reserved-memory.dtsi"
14
15/ {
16 chosen {
17 stdout-path = &serial_1;
18 };
19
20 firmware@204f000 {
21 compatible = "samsung,secure-firmware";
22 reg = <0x0204F000 0x1000>;
23 };
24
25 gpio_keys: gpio-keys {
26 compatible = "gpio-keys";
27 pinctrl-names = "default";
28 pinctrl-0 = <&gpio_power_key>;
29
30 power-key {
31 gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
32 linux,code = <KEY_POWER>;
33 label = "power key";
34 debounce-interval = <10>;
35 wakeup-source;
36 };
37 };
38
39 sound: sound {
40 compatible = "hardkernel,odroid-xu4-audio";
41
42 cpu {
43 sound-dai = <&i2s0 0>;
44 };
45
46 codec {
47 sound-dai = <&hdmi>, <&max98090>;
48 };
49 };
50
51 emmc_pwrseq: pwrseq {
52 pinctrl-0 = <&emmc_rstn>;
53 pinctrl-names = "default";
54 compatible = "mmc-pwrseq-emmc";
55 reset-gpios = <&gpk1 2 GPIO_ACTIVE_LOW>;
56 };
57
58 fixed-rate-clocks {
59 xxti {
60 compatible = "samsung,clock-xxti";
61 clock-frequency = <0>;
62 };
63
64 xusbxti {
65 compatible = "samsung,clock-xusbxti";
66 clock-frequency = <24000000>;
67 };
68 };
69};
70
71&bus_dmc {
72 devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>;
73 vdd-supply = <&buck1_reg>;
74 status = "okay";
75};
76
77&bus_acp {
78 devfreq = <&bus_dmc>;
79 status = "okay";
80};
81
82&bus_c2c {
83 devfreq = <&bus_dmc>;
84 status = "okay";
85};
86
87&bus_leftbus {
88 devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>;
89 vdd-supply = <&buck3_reg>;
90 status = "okay";
91};
92
93&bus_rightbus {
94 devfreq = <&bus_leftbus>;
95 status = "okay";
96};
97
98&bus_display {
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&camera {
119 status = "okay";
120 pinctrl-names = "default";
121 pinctrl-0 = <>;
122};
123
124&clock {
125 clocks = <&clock CLK_XUSBXTI>;
126 assigned-clocks = <&clock CLK_FOUT_EPLL>;
127 assigned-clock-rates = <45158401>;
128};
129
130&clock_audss {
131 assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>,
132 <&clock_audss EXYNOS_MOUT_I2S>,
133 <&clock_audss EXYNOS_DOUT_SRP>,
134 <&clock_audss EXYNOS_DOUT_AUD_BUS>,
135 <&clock_audss EXYNOS_DOUT_I2S>;
136
137 assigned-clock-parents = <&clock CLK_FOUT_EPLL>,
138 <&clock_audss EXYNOS_MOUT_AUDSS>;
139
140 assigned-clock-rates = <0>, <0>,
141 <196608001>,
142 <(196608001 / 2)>,
143 <(196608001 / 8)>;
144};
145
146&cpu0 {
147 cpu0-supply = <&buck2_reg>;
148};
149
150&cpu0_opp_table {
151 opp-1000000000 {
152 opp-suspend;
153 };
154 opp-800000000 {
155 /delete-property/opp-suspend;
156 };
157};
158
159&cpu_thermal {
160 cooling-maps {
161 cooling_map0: map0 {
162 /* Corresponds to 800MHz at freq_table */
163 cooling-device = <&cpu0 7 7>, <&cpu1 7 7>,
164 <&cpu2 7 7>, <&cpu3 7 7>;
165 };
166 cooling_map1: map1 {
167 /* Corresponds to 200MHz at freq_table */
168 cooling-device = <&cpu0 13 13>, <&cpu1 13 13>,
169 <&cpu2 13 13>, <&cpu3 13 13>;
170 };
171 };
172};
173
174&pinctrl_1 {
175 gpio_power_key: power-key-pins {
176 samsung,pins = "gpx1-3";
177 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
178 };
179
180 max77686_irq: max77686-irq-pins {
181 samsung,pins = "gpx3-2";
182 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
183 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
184 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
185 };
186
187 hdmi_hpd: hdmi-hpd-pins {
188 samsung,pins = "gpx3-7";
189 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
190 };
191
192 emmc_rstn: emmc-rstn-pins {
193 samsung,pins = "gpk1-2";
194 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
195 };
196};
197
198&ehci {
199 status = "okay";
200};
201
202&exynos_usbphy {
203 status = "okay";
204};
205
206&fimc_0 {
207 status = "okay";
208 assigned-clocks = <&clock CLK_MOUT_FIMC0>,
209 <&clock CLK_SCLK_FIMC0>;
210 assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>;
211 assigned-clock-rates = <0>, <176000000>;
212};
213
214&fimc_1 {
215 status = "okay";
216 assigned-clocks = <&clock CLK_MOUT_FIMC1>,
217 <&clock CLK_SCLK_FIMC1>;
218 assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>;
219 assigned-clock-rates = <0>, <176000000>;
220};
221
222&fimc_2 {
223 status = "okay";
224 assigned-clocks = <&clock CLK_MOUT_FIMC2>,
225 <&clock CLK_SCLK_FIMC2>;
226 assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>;
227 assigned-clock-rates = <0>, <176000000>;
228};
229
230&fimc_3 {
231 status = "okay";
232 assigned-clocks = <&clock CLK_MOUT_FIMC3>,
233 <&clock CLK_SCLK_FIMC3>;
234 assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>;
235 assigned-clock-rates = <0>, <176000000>;
236};
237
238&gpu {
239 mali-supply = <&buck4_reg>;
240 status = "okay";
241};
242
243&hdmi {
244 hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
245 pinctrl-names = "default";
246 pinctrl-0 = <&hdmi_hpd>;
247 vdd-supply = <&ldo8_reg>;
248 vdd_osc-supply = <&ldo10_reg>;
249 vdd_pll-supply = <&ldo8_reg>;
250 ddc = <&i2c_2>;
251 status = "okay";
252};
253
254&hdmicec {
255 status = "okay";
256};
257
258&hsotg {
259 status = "okay";
260 vusb_d-supply = <&ldo15_reg>;
261 vusb_a-supply = <&ldo12_reg>;
262};
263
264&i2c_0 {
265 samsung,i2c-sda-delay = <100>;
266 samsung,i2c-max-bus-freq = <400000>;
267 status = "okay";
268
269 usb3503: usb-hub@8 {
270 compatible = "smsc,usb3503";
271 reg = <0x08>;
272
273 intn-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>;
274 connect-gpios = <&gpx3 4 GPIO_ACTIVE_HIGH>;
275 reset-gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
276 initial-mode = <1>;
277 };
278
279 max77686: pmic@9 {
280 compatible = "maxim,max77686";
281 interrupt-parent = <&gpx3>;
282 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
283 pinctrl-names = "default";
284 pinctrl-0 = <&max77686_irq>;
285 wakeup-source;
286 reg = <0x09>;
287 #clock-cells = <1>;
288
289 voltage-regulators {
290 ldo1_reg: LDO1 {
291 regulator-name = "VDD_ALIVE_1.0V";
292 regulator-min-microvolt = <1000000>;
293 regulator-max-microvolt = <1000000>;
294 regulator-always-on;
295 };
296
297 ldo2_reg: LDO2 {
298 regulator-name = "VDDQ_M1_2_1.8V";
299 regulator-min-microvolt = <1800000>;
300 regulator-max-microvolt = <1800000>;
301 regulator-always-on;
302 };
303
304 ldo3_reg: LDO3 {
305 regulator-name = "VDDQ_EXT_1.8V";
306 regulator-min-microvolt = <1800000>;
307 regulator-max-microvolt = <1800000>;
308 regulator-always-on;
309 };
310
311 ldo4_reg: LDO4 {
312 regulator-name = "VDDQ_MMC2_2.8V";
313 regulator-min-microvolt = <2800000>;
314 regulator-max-microvolt = <2800000>;
315 regulator-boot-on;
316 };
317
318 ldo5_reg: LDO5 {
319 regulator-name = "VDDQ_MMC1_3_1.8V";
320 regulator-min-microvolt = <1800000>;
321 regulator-max-microvolt = <1800000>;
322 regulator-always-on;
323 regulator-boot-on;
324 };
325
326 ldo6_reg: LDO6 {
327 regulator-name = "VDD10_MPLL_1.0V";
328 regulator-min-microvolt = <1000000>;
329 regulator-max-microvolt = <1000000>;
330 regulator-always-on;
331 };
332
333 ldo7_reg: LDO7 {
334 regulator-name = "VDD10_XPLL_1.0V";
335 regulator-min-microvolt = <1000000>;
336 regulator-max-microvolt = <1000000>;
337 regulator-always-on;
338 };
339
340 ldo8_reg: LDO8 {
341 regulator-name = "VDD10_HDMI_1.0V";
342 regulator-min-microvolt = <1000000>;
343 regulator-max-microvolt = <1000000>;
344 };
345
346 ldo10_reg: LDO10 {
347 regulator-name = "VDDQ_MIPIHSI_1.8V";
348 regulator-min-microvolt = <1800000>;
349 regulator-max-microvolt = <1800000>;
350 };
351
352 ldo11_reg: LDO11 {
353 regulator-name = "VDD18_ABB1_1.8V";
354 regulator-min-microvolt = <1800000>;
355 regulator-max-microvolt = <1800000>;
356 regulator-always-on;
357 };
358
359 ldo12_reg: LDO12 {
360 regulator-name = "VDD33_USB_3.3V";
361 regulator-min-microvolt = <3300000>;
362 regulator-max-microvolt = <3300000>;
363 regulator-always-on;
364 regulator-boot-on;
365 };
366
367 ldo13_reg: LDO13 {
368 regulator-name = "VDDQ_C2C_W_1.8V";
369 regulator-min-microvolt = <1800000>;
370 regulator-max-microvolt = <1800000>;
371 regulator-always-on;
372 regulator-boot-on;
373 };
374
375 ldo14_reg: LDO14 {
376 regulator-name = "VDD18_ABB0_2_1.8V";
377 regulator-min-microvolt = <1800000>;
378 regulator-max-microvolt = <1800000>;
379 regulator-always-on;
380 regulator-boot-on;
381 };
382
383 ldo15_reg: LDO15 {
384 regulator-name = "VDD10_HSIC_1.0V";
385 regulator-min-microvolt = <1000000>;
386 regulator-max-microvolt = <1000000>;
387 regulator-always-on;
388 regulator-boot-on;
389 };
390
391 ldo16_reg: LDO16 {
392 regulator-name = "VDD18_HSIC_1.8V";
393 regulator-min-microvolt = <1800000>;
394 regulator-max-microvolt = <1800000>;
395 regulator-always-on;
396 regulator-boot-on;
397 };
398
399 ldo20_reg: LDO20 {
400 regulator-name = "LDO20_1.8V";
401 regulator-min-microvolt = <1800000>;
402 regulator-max-microvolt = <1800000>;
403 };
404
405 ldo21_reg: LDO21 {
406 regulator-name = "TFLASH_2.8V";
407 regulator-min-microvolt = <2800000>;
408 regulator-max-microvolt = <2800000>;
409 regulator-boot-on;
410 };
411
412 ldo22_reg: LDO22 {
413 /*
414 * Only U3 uses it, so let it define the
415 * constraints
416 */
417 regulator-name = "LDO22";
418 regulator-boot-on;
419 };
420
421 ldo25_reg: LDO25 {
422 regulator-name = "VDDQ_LCD_1.8V";
423 regulator-min-microvolt = <1800000>;
424 regulator-max-microvolt = <1800000>;
425 regulator-always-on;
426 regulator-boot-on;
427 };
428
429 buck1_reg: BUCK1 {
430 regulator-name = "VDD_MIF";
431 regulator-min-microvolt = <900000>;
432 regulator-max-microvolt = <1100000>;
433 regulator-always-on;
434 regulator-boot-on;
435 };
436
437 buck2_reg: BUCK2 {
438 regulator-name = "VDD_ARM";
439 regulator-min-microvolt = <900000>;
440 regulator-max-microvolt = <1350000>;
441 regulator-always-on;
442 regulator-boot-on;
443 };
444
445 buck3_reg: BUCK3 {
446 regulator-name = "VDD_INT";
447 regulator-min-microvolt = <900000>;
448 regulator-max-microvolt = <1050000>;
449 regulator-always-on;
450 regulator-boot-on;
451 };
452
453 buck4_reg: BUCK4 {
454 regulator-name = "VDD_G3D";
455 regulator-min-microvolt = <900000>;
456 regulator-max-microvolt = <1100000>;
457 regulator-microvolt-offset = <50000>;
458 };
459
460 buck5_reg: BUCK5 {
461 regulator-name = "VDDQ_CKEM1_2_1.2V";
462 regulator-min-microvolt = <1200000>;
463 regulator-max-microvolt = <1200000>;
464 regulator-always-on;
465 regulator-boot-on;
466 };
467
468 buck6_reg: BUCK6 {
469 regulator-name = "BUCK6_1.35V";
470 regulator-min-microvolt = <1350000>;
471 regulator-max-microvolt = <1350000>;
472 regulator-always-on;
473 regulator-boot-on;
474 };
475
476 buck7_reg: BUCK7 {
477 regulator-name = "BUCK7_2.0V";
478 regulator-min-microvolt = <2000000>;
479 regulator-max-microvolt = <2000000>;
480 regulator-always-on;
481 };
482
483 buck8_reg: BUCK8 {
484 /*
485 * Constraints set by specific board: X,
486 * X2 and U3.
487 */
488 regulator-name = "BUCK8_2.8V";
489 };
490 };
491 };
492};
493
494&i2c_1 {
495 status = "okay";
496 max98090: audio-codec@10 {
497 compatible = "maxim,max98090";
498 reg = <0x10>;
499 interrupt-parent = <&gpx0>;
500 interrupts = <0 IRQ_TYPE_NONE>;
501 clocks = <&i2s0 CLK_I2S_CDCLK>;
502 clock-names = "mclk";
503 #sound-dai-cells = <0>;
504 };
505};
506
507&i2c_2 {
508 status = "okay";
509};
510
511&i2c_8 {
512 status = "okay";
513};
514
515&i2s0 {
516 pinctrl-0 = <&i2s0_bus>;
517 pinctrl-names = "default";
518 status = "okay";
519 assigned-clocks = <&i2s0 CLK_I2S_RCLK_SRC>;
520 assigned-clock-parents = <&clock_audss EXYNOS_SCLK_I2S>;
521};
522
523&mixer {
524 status = "okay";
525};
526
527&mshc_0 {
528 pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>;
529 pinctrl-names = "default";
530 vmmc-supply = <&ldo20_reg>;
531 mmc-pwrseq = <&emmc_pwrseq>;
532 status = "okay";
533
534 broken-cd;
535 card-detect-delay = <200>;
536 samsung,dw-mshc-ciu-div = <3>;
537 samsung,dw-mshc-sdr-timing = <2 3>;
538 samsung,dw-mshc-ddr-timing = <1 2>;
539 bus-width = <8>;
540 cap-mmc-highspeed;
541};
542
543&rtc {
544 status = "okay";
545 clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>;
546 clock-names = "rtc", "rtc_src";
547};
548
549&sdhci_2 {
550 bus-width = <4>;
551 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
552 pinctrl-names = "default";
553 vmmc-supply = <&ldo21_reg>;
554 vqmmc-supply = <&ldo4_reg>;
555 cd-gpios = <&gpk2 2 GPIO_ACTIVE_LOW>;
556 status = "okay";
557};
558
559&serial_0 {
560 status = "okay";
561};
562
563&serial_1 {
564 status = "okay";
565};
566
567&tmu {
568 vtmu-supply = <&ldo10_reg>;
569 status = "okay";
570};