Merge tag 'u-boot-atmel-fixes-2020.07-a' of https://gitlab.denx.de/u-boot/custodians...
[oweals/u-boot.git] / arch / arm / dts / rk3399-nanopi4.dtsi
1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3  * RK3399-based FriendlyElec boards device tree source
4  *
5  * Copyright (c) 2016 Fuzhou Rockchip Electronics Co., Ltd
6  *
7  * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
8  * (http://www.friendlyarm.com)
9  *
10  * Copyright (c) 2018 Collabora Ltd.
11  * Copyright (c) 2019 Arm Ltd.
12  */
13
14 /dts-v1/;
15 #include <dt-bindings/input/linux-event-codes.h>
16 #include "rk3399.dtsi"
17 #include "rk3399-opp.dtsi"
18
19 / {
20         chosen {
21                 stdout-path = "serial2:1500000n8";
22         };
23
24         clkin_gmac: external-gmac-clock {
25                 compatible = "fixed-clock";
26                 clock-frequency = <125000000>;
27                 clock-output-names = "clkin_gmac";
28                 #clock-cells = <0>;
29         };
30
31         vcc3v3_sys: vcc3v3-sys {
32                 compatible = "regulator-fixed";
33                 regulator-always-on;
34                 regulator-boot-on;
35                 regulator-min-microvolt = <3300000>;
36                 regulator-max-microvolt = <3300000>;
37                 regulator-name = "vcc3v3_sys";
38         };
39
40         vcc5v0_sys: vcc5v0-sys {
41                 compatible = "regulator-fixed";
42                 regulator-always-on;
43                 regulator-boot-on;
44                 regulator-min-microvolt = <5000000>;
45                 regulator-max-microvolt = <5000000>;
46                 regulator-name = "vcc5v0_sys";
47                 vin-supply = <&vdd_5v>;
48         };
49
50         /* switched by pmic_sleep */
51         vcc1v8_s3: vcc1v8-s3 {
52                 compatible = "regulator-fixed";
53                 regulator-always-on;
54                 regulator-boot-on;
55                 regulator-min-microvolt = <1800000>;
56                 regulator-max-microvolt = <1800000>;
57                 regulator-name = "vcc1v8_s3";
58                 vin-supply = <&vcc_1v8>;
59         };
60
61         vcc3v0_sd: vcc3v0-sd {
62                 compatible = "regulator-fixed";
63                 enable-active-high;
64                 gpio = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
65                 pinctrl-names = "default";
66                 pinctrl-0 = <&sdmmc0_pwr_h>;
67                 regulator-always-on;
68                 regulator-min-microvolt = <3000000>;
69                 regulator-max-microvolt = <3000000>;
70                 regulator-name = "vcc3v0_sd";
71                 vin-supply = <&vcc3v3_sys>;
72         };
73
74         /*
75          * Really, this is supplied by vcc_1v8, and vcc1v8_s3 only
76          * drives the enable pin, but we can't quite model that.
77          */
78         vcca0v9_s3: vcca0v9-s3 {
79                 compatible = "regulator-fixed";
80                 regulator-min-microvolt = <900000>;
81                 regulator-max-microvolt = <900000>;
82                 regulator-name = "vcca0v9_s3";
83                 vin-supply = <&vcc1v8_s3>;
84         };
85
86         /* As above, actually supplied by vcc3v3_sys */
87         vcca1v8_s3: vcca1v8-s3 {
88                 compatible = "regulator-fixed";
89                 regulator-min-microvolt = <1800000>;
90                 regulator-max-microvolt = <1800000>;
91                 regulator-name = "vcca1v8_s3";
92                 vin-supply = <&vcc1v8_s3>;
93         };
94
95         vbus_typec: vbus-typec {
96                 compatible = "regulator-fixed";
97                 regulator-min-microvolt = <5000000>;
98                 regulator-max-microvolt = <5000000>;
99                 regulator-name = "vbus_typec";
100         };
101
102         gpio-keys {
103                 compatible = "gpio-keys";
104                 autorepeat;
105                 pinctrl-names = "default";
106                 pinctrl-0 = <&power_key>;
107
108                 power {
109                         debounce-interval = <100>;
110                         gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
111                         label = "GPIO Key Power";
112                         linux,code = <KEY_POWER>;
113                         wakeup-source;
114                 };
115         };
116
117         leds: gpio-leds {
118                 compatible = "gpio-leds";
119                 pinctrl-names = "default";
120                 pinctrl-0 = <&leds_gpio>;
121
122                 status {
123                         gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
124                         label = "status_led";
125                         linux,default-trigger = "heartbeat";
126                 };
127         };
128
129         sdio_pwrseq: sdio-pwrseq {
130                 compatible = "mmc-pwrseq-simple";
131                 clocks = <&rk808 1>;
132                 clock-names = "ext_clock";
133                 pinctrl-names = "default";
134                 pinctrl-0 = <&wifi_reg_on_h>;
135                 reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
136         };
137 };
138
139 &cpu_b0 {
140         cpu-supply = <&vdd_cpu_b>;
141 };
142
143 &cpu_b1 {
144         cpu-supply = <&vdd_cpu_b>;
145 };
146
147 &cpu_l0 {
148         cpu-supply = <&vdd_cpu_l>;
149 };
150
151 &cpu_l1 {
152         cpu-supply = <&vdd_cpu_l>;
153 };
154
155 &cpu_l2 {
156         cpu-supply = <&vdd_cpu_l>;
157 };
158
159 &cpu_l3 {
160         cpu-supply = <&vdd_cpu_l>;
161 };
162
163 &emmc_phy {
164         status = "okay";
165 };
166
167 &gmac {
168         assigned-clock-parents = <&clkin_gmac>;
169         assigned-clocks = <&cru SCLK_RMII_SRC>;
170         clock_in_out = "input";
171         pinctrl-names = "default";
172         pinctrl-0 = <&rgmii_pins>, <&phy_intb>, <&phy_rstb>;
173         phy-handle = <&rtl8211e>;
174         phy-mode = "rgmii";
175         phy-supply = <&vcc3v3_s3>;
176         tx_delay = <0x28>;
177         rx_delay = <0x11>;
178         status = "okay";
179
180         mdio {
181                 compatible = "snps,dwmac-mdio";
182                 #address-cells = <1>;
183                 #size-cells = <0>;
184
185                 rtl8211e: phy@1 {
186                         reg = <1>;
187                         interrupt-parent = <&gpio3>;
188                         interrupts = <RK_PB2 IRQ_TYPE_LEVEL_LOW>;
189                         reset-assert-us = <10000>;
190                         reset-deassert-us = <30000>;
191                         reset-gpios = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
192                 };
193         };
194 };
195
196 &gpu {
197         mali-supply = <&vdd_gpu>;
198         status = "okay";
199 };
200
201 &hdmi {
202         ddc-i2c-bus = <&i2c7>;
203         pinctrl-names = "default";
204         pinctrl-0 = <&hdmi_cec>;
205         status = "okay";
206 };
207
208 &hdmi_sound {
209         status = "okay";
210 };
211
212 &i2c0 {
213         clock-frequency = <400000>;
214         i2c-scl-rising-time-ns = <160>;
215         i2c-scl-falling-time-ns = <30>;
216         status = "okay";
217
218         vdd_cpu_b: regulator@40 {
219                 compatible = "silergy,syr827";
220                 reg = <0x40>;
221                 fcs,suspend-voltage-selector = <1>;
222                 pinctrl-names = "default";
223                 pinctrl-0 = <&cpu_b_sleep>;
224                 regulator-always-on;
225                 regulator-boot-on;
226                 regulator-min-microvolt = <712500>;
227                 regulator-max-microvolt = <1500000>;
228                 regulator-name = "vdd_cpu_b";
229                 regulator-ramp-delay = <1000>;
230                 vin-supply = <&vcc3v3_sys>;
231
232                 regulator-state-mem {
233                         regulator-off-in-suspend;
234                 };
235         };
236
237         vdd_gpu: regulator@41 {
238                 compatible = "silergy,syr828";
239                 reg = <0x41>;
240                 fcs,suspend-voltage-selector = <1>;
241                 pinctrl-names = "default";
242                 pinctrl-0 = <&gpu_sleep>;
243                 regulator-always-on;
244                 regulator-boot-on;
245                 regulator-min-microvolt = <712500>;
246                 regulator-max-microvolt = <1500000>;
247                 regulator-name = "vdd_gpu";
248                 regulator-ramp-delay = <1000>;
249                 vin-supply = <&vcc3v3_sys>;
250
251                 regulator-state-mem {
252                         regulator-off-in-suspend;
253                 };
254         };
255
256         rk808: pmic@1b {
257                 compatible = "rockchip,rk808";
258                 reg = <0x1b>;
259                 clock-output-names = "xin32k", "rtc_clko_wifi";
260                 #clock-cells = <1>;
261                 interrupt-parent = <&gpio1>;
262                 interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
263                 pinctrl-names = "default";
264                 pinctrl-0 = <&pmic_int_l>;
265                 rockchip,system-power-controller;
266                 wakeup-source;
267
268                 vcc1-supply = <&vcc3v3_sys>;
269                 vcc2-supply = <&vcc3v3_sys>;
270                 vcc3-supply = <&vcc3v3_sys>;
271                 vcc4-supply = <&vcc3v3_sys>;
272                 vcc6-supply = <&vcc3v3_sys>;
273                 vcc7-supply = <&vcc3v3_sys>;
274                 vcc8-supply = <&vcc3v3_sys>;
275                 vcc9-supply = <&vcc3v3_sys>;
276                 vcc10-supply = <&vcc3v3_sys>;
277                 vcc11-supply = <&vcc3v3_sys>;
278                 vcc12-supply = <&vcc3v3_sys>;
279                 vddio-supply = <&vcc_3v0>;
280
281                 regulators {
282                         vdd_center: DCDC_REG1 {
283                                 regulator-always-on;
284                                 regulator-boot-on;
285                                 regulator-min-microvolt = <750000>;
286                                 regulator-max-microvolt = <1350000>;
287                                 regulator-name = "vdd_center";
288                                 regulator-ramp-delay = <6001>;
289
290                                 regulator-state-mem {
291                                         regulator-off-in-suspend;
292                                 };
293                         };
294
295                         vdd_cpu_l: DCDC_REG2 {
296                                 regulator-always-on;
297                                 regulator-boot-on;
298                                 regulator-min-microvolt = <750000>;
299                                 regulator-max-microvolt = <1350000>;
300                                 regulator-name = "vdd_cpu_l";
301                                 regulator-ramp-delay = <6001>;
302
303                                 regulator-state-mem {
304                                         regulator-off-in-suspend;
305                                 };
306                         };
307
308                         vcc_ddr: DCDC_REG3 {
309                                 regulator-always-on;
310                                 regulator-boot-on;
311                                 regulator-name = "vcc_ddr";
312
313                                 regulator-state-mem {
314                                         regulator-on-in-suspend;
315                                 };
316                         };
317
318                         vcc_1v8: DCDC_REG4 {
319                                 regulator-always-on;
320                                 regulator-boot-on;
321                                 regulator-min-microvolt = <1800000>;
322                                 regulator-max-microvolt = <1800000>;
323                                 regulator-name = "vcc_1v8";
324
325                                 regulator-state-mem {
326                                         regulator-on-in-suspend;
327                                         regulator-suspend-microvolt = <1800000>;
328                                 };
329                         };
330
331                         vcc1v8_cam: LDO_REG1 {
332                                 regulator-always-on;
333                                 regulator-boot-on;
334                                 regulator-min-microvolt = <1800000>;
335                                 regulator-max-microvolt = <1800000>;
336                                 regulator-name = "vcc1v8_cam";
337
338                                 regulator-state-mem {
339                                         regulator-off-in-suspend;
340                                 };
341                         };
342
343                         vcc3v0_touch: LDO_REG2 {
344                                 regulator-always-on;
345                                 regulator-boot-on;
346                                 regulator-min-microvolt = <3000000>;
347                                 regulator-max-microvolt = <3000000>;
348                                 regulator-name = "vcc3v0_touch";
349
350                                 regulator-state-mem {
351                                         regulator-off-in-suspend;
352                                 };
353                         };
354
355                         vcc1v8_pmupll: LDO_REG3 {
356                                 regulator-always-on;
357                                 regulator-boot-on;
358                                 regulator-min-microvolt = <1800000>;
359                                 regulator-max-microvolt = <1800000>;
360                                 regulator-name = "vcc1v8_pmupll";
361
362                                 regulator-state-mem {
363                                         regulator-on-in-suspend;
364                                         regulator-suspend-microvolt = <1800000>;
365                                 };
366                         };
367
368                         vcc_sdio: LDO_REG4 {
369                                 regulator-always-on;
370                                 regulator-boot-on;
371                                 regulator-init-microvolt = <3000000>;
372                                 regulator-min-microvolt = <1800000>;
373                                 regulator-max-microvolt = <3300000>;
374                                 regulator-name = "vcc_sdio";
375
376                                 regulator-state-mem {
377                                         regulator-on-in-suspend;
378                                         regulator-suspend-microvolt = <3000000>;
379                                 };
380                         };
381
382                         vcca3v0_codec: LDO_REG5 {
383                                 regulator-always-on;
384                                 regulator-boot-on;
385                                 regulator-min-microvolt = <3000000>;
386                                 regulator-max-microvolt = <3000000>;
387                                 regulator-name = "vcca3v0_codec";
388
389                                 regulator-state-mem {
390                                         regulator-off-in-suspend;
391                                 };
392                         };
393
394                         vcc_1v5: LDO_REG6 {
395                                 regulator-always-on;
396                                 regulator-boot-on;
397                                 regulator-min-microvolt = <1500000>;
398                                 regulator-max-microvolt = <1500000>;
399                                 regulator-name = "vcc_1v5";
400
401                                 regulator-state-mem {
402                                         regulator-on-in-suspend;
403                                         regulator-suspend-microvolt = <1500000>;
404                                 };
405                         };
406
407                         vcca1v8_codec: LDO_REG7 {
408                                 regulator-always-on;
409                                 regulator-boot-on;
410                                 regulator-min-microvolt = <1800000>;
411                                 regulator-max-microvolt = <1800000>;
412                                 regulator-name = "vcca1v8_codec";
413
414                                 regulator-state-mem {
415                                         regulator-off-in-suspend;
416                                 };
417                         };
418
419                         vcc_3v0: LDO_REG8 {
420                                 regulator-always-on;
421                                 regulator-boot-on;
422                                 regulator-min-microvolt = <3000000>;
423                                 regulator-max-microvolt = <3000000>;
424                                 regulator-name = "vcc_3v0";
425
426                                 regulator-state-mem {
427                                         regulator-on-in-suspend;
428                                         regulator-suspend-microvolt = <3000000>;
429                                 };
430                         };
431
432                         vcc3v3_s3: SWITCH_REG1 {
433                                 regulator-always-on;
434                                 regulator-boot-on;
435                                 regulator-name = "vcc3v3_s3";
436
437                                 regulator-state-mem {
438                                         regulator-off-in-suspend;
439                                 };
440                         };
441
442                         vcc3v3_s0: SWITCH_REG2 {
443                                 regulator-always-on;
444                                 regulator-boot-on;
445                                 regulator-name = "vcc3v3_s0";
446
447                                 regulator-state-mem {
448                                         regulator-off-in-suspend;
449                                 };
450                         };
451                 };
452         };
453 };
454
455 &i2c1 {
456         clock-frequency = <200000>;
457         i2c-scl-rising-time-ns = <150>;
458         i2c-scl-falling-time-ns = <30>;
459         status = "okay";
460 };
461
462 &i2c2 {
463         status = "okay";
464 };
465
466 &i2c4 {
467         clock-frequency = <400000>;
468         i2c-scl-rising-time-ns = <160>;
469         i2c-scl-falling-time-ns = <30>;
470         status = "okay";
471
472         fusb0: typec-portc@22 {
473                 compatible = "fcs,fusb302";
474                 reg = <0x22>;
475                 interrupt-parent = <&gpio1>;
476                 interrupts = <RK_PA2 IRQ_TYPE_LEVEL_LOW>;
477                 pinctrl-names = "default";
478                 pinctrl-0 = <&fusb0_int>;
479                 vbus-supply = <&vbus_typec>;
480         };
481 };
482
483 &i2c7 {
484         status = "okay";
485 };
486
487 &i2s2 {
488         status = "okay";
489 };
490
491 &io_domains {
492         bt656-supply = <&vcc_1v8>;
493         audio-supply = <&vcca1v8_codec>;
494         sdmmc-supply = <&vcc_sdio>;
495         gpio1830-supply = <&vcc_3v0>;
496         status = "okay";
497 };
498
499 &pcie_phy {
500         assigned-clock-parents = <&cru SCLK_PCIEPHY_REF100M>;
501         assigned-clock-rates = <100000000>;
502         assigned-clocks = <&cru SCLK_PCIEPHY_REF>;
503         status = "okay";
504 };
505
506 &pcie0 {
507         ep-gpios = <&gpio2 RK_PA4 GPIO_ACTIVE_HIGH>;
508         max-link-speed = <2>;
509         num-lanes = <2>;
510         vpcie0v9-supply = <&vcca0v9_s3>;
511         vpcie1v8-supply = <&vcca1v8_s3>;
512         status = "okay";
513 };
514
515 &pinctrl {
516         fusb30x {
517                 fusb0_int: fusb0-int {
518                         rockchip,pins = <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
519                 };
520         };
521
522         gpio-leds {
523                 leds_gpio: leds-gpio {
524                         rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
525                 };
526         };
527
528         phy {
529                 phy_intb: phy-intb {
530                         rockchip,pins = <3 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>;
531                 };
532
533                 phy_rstb: phy-rstb {
534                         rockchip,pins = <3 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
535                 };
536         };
537
538         pmic {
539                 cpu_b_sleep: cpu-b-sleep {
540                         rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>;
541                 };
542
543                 gpu_sleep: gpu-sleep {
544                         rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
545                 };
546
547                 pmic_int_l: pmic-int-l {
548                         rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
549                 };
550         };
551
552         rockchip-key {
553                 power_key: power-key {
554                         rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
555                 };
556         };
557
558         sdio {
559                 bt_host_wake_l: bt-host-wake-l {
560                         rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
561                 };
562
563                 bt_reg_on_h: bt-reg-on-h {
564                         /* external pullup to VCC1V8_PMUPLL */
565                         rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
566                 };
567
568                 bt_wake_l: bt-wake-l {
569                         rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
570                 };
571
572                 wifi_reg_on_h: wifi-reg_on-h {
573                         rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
574                 };
575         };
576
577         sdmmc {
578                 sdmmc0_det_l: sdmmc0-det-l {
579                         rockchip,pins = <0 RK_PA7 RK_FUNC_GPIO &pcfg_pull_up>;
580                 };
581
582                 sdmmc0_pwr_h: sdmmc0-pwr-h {
583                         rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
584                 };
585         };
586 };
587
588 &pmu_io_domains {
589         pmu1830-supply = <&vcc_3v0>;
590         status = "okay";
591 };
592
593 &pwm0 {
594         status = "okay";
595 };
596
597 &pwm1 {
598         status = "okay";
599 };
600
601 &pwm2 {
602         pinctrl-names = "active";
603         pinctrl-0 = <&pwm2_pin_pull_down>;
604         status = "okay";
605 };
606
607 &saradc {
608         vref-supply = <&vcca1v8_s3>;
609         status = "okay";
610 };
611
612 &sdhci {
613         bus-width = <8>;
614         mmc-hs200-1_8v;
615         non-removable;
616         status = "okay";
617 };
618
619 &sdio0 {
620         bus-width = <4>;
621         cap-sd-highspeed;
622         cap-sdio-irq;
623         keep-power-in-suspend;
624         mmc-pwrseq = <&sdio_pwrseq>;
625         non-removable;
626         pinctrl-names = "default";
627         pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>;
628         sd-uhs-sdr104;
629         status = "okay";
630 };
631
632 &sdmmc {
633         bus-width = <4>;
634         cap-sd-highspeed;
635         cap-mmc-highspeed;
636         cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
637         disable-wp;
638         pinctrl-names = "default";
639         pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc0_det_l>;
640         sd-uhs-sdr104;
641         vmmc-supply = <&vcc3v0_sd>;
642         vqmmc-supply = <&vcc_sdio>;
643         status = "okay";
644 };
645
646 &tcphy0 {
647         status = "okay";
648 };
649
650 &tcphy1 {
651         status = "okay";
652 };
653
654 &tsadc {
655         /* tshut mode 0:CRU 1:GPIO */
656         rockchip,hw-tshut-mode = <1>;
657         /* tshut polarity 0:LOW 1:HIGH */
658         rockchip,hw-tshut-polarity = <1>;
659         status = "okay";
660 };
661
662 &u2phy0 {
663         status = "okay";
664 };
665
666 &u2phy0_host {
667         status = "okay";
668 };
669
670 &u2phy0_otg {
671         status = "okay";
672 };
673
674 &u2phy1 {
675         status = "okay";
676 };
677
678 &u2phy1_host {
679         status = "okay";
680 };
681
682 &u2phy1_otg {
683         status = "okay";
684 };
685
686 &uart0 {
687         pinctrl-names = "default";
688         pinctrl-0 = <&uart0_xfer &uart0_rts &uart0_cts>;
689         status = "okay";
690
691         bluetooth {
692                 compatible = "brcm,bcm43438-bt";
693                 clocks = <&rk808 1>;
694                 clock-names = "lpo";
695                 device-wakeup-gpios = <&gpio2 RK_PD2 GPIO_ACTIVE_HIGH>;
696                 host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
697                 shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
698                 max-speed = <4000000>;
699                 pinctrl-names = "default";
700                 pinctrl-0 = <&bt_reg_on_h &bt_host_wake_l &bt_wake_l>;
701                 vbat-supply = <&vcc3v3_sys>;
702                 vddio-supply = <&vcc_1v8>;
703         };
704 };
705
706 &uart2 {
707         status = "okay";
708 };
709
710 &usbdrd3_0 {
711         status = "okay";
712 };
713
714 &usbdrd3_1 {
715         status = "okay";
716 };
717
718 &usbdrd_dwc3_0 {
719         status = "okay";
720 };
721
722 &usbdrd_dwc3_1 {
723         dr_mode = "host";
724         status = "okay";
725 };
726
727 &usb_host0_ehci {
728         status = "okay";
729 };
730
731 &usb_host0_ohci {
732         status = "okay";
733 };
734
735 &usb_host1_ehci {
736         status = "okay";
737 };
738
739 &usb_host1_ohci {
740         status = "okay";
741 };
742
743 &vopb {
744         status = "okay";
745 };
746
747 &vopb_mmu {
748         status = "okay";
749 };
750
751 &vopl {
752         status = "okay";
753 };
754
755 &vopl_mmu {
756         status = "okay";
757 };