Merge branch 'master' of git://git.denx.de/u-boot-spi
[oweals/u-boot.git] / arch / arm / dts / sun8i-a23-a33.dtsi
1 /*
2  * Copyright 2014 Chen-Yu Tsai
3  *
4  * Chen-Yu Tsai <wens@csie.org>
5  *
6  * This file is dual-licensed: you can use it either under the terms
7  * of the GPL or the X11 license, at your option. Note that this dual
8  * licensing only applies to this file, and not this project as a
9  * whole.
10  *
11  *  a) This file is free software; you can redistribute it and/or
12  *     modify it under the terms of the GNU General Public License as
13  *     published by the Free Software Foundation; either version 2 of the
14  *     License, or (at your option) any later version.
15  *
16  *     This file is distributed in the hope that it will be useful,
17  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
18  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  *     GNU General Public License for more details.
20  *
21  * Or, alternatively,
22  *
23  *  b) Permission is hereby granted, free of charge, to any person
24  *     obtaining a copy of this software and associated documentation
25  *     files (the "Software"), to deal in the Software without
26  *     restriction, including without limitation the rights to use,
27  *     copy, modify, merge, publish, distribute, sublicense, and/or
28  *     sell copies of the Software, and to permit persons to whom the
29  *     Software is furnished to do so, subject to the following
30  *     conditions:
31  *
32  *     The above copyright notice and this permission notice shall be
33  *     included in all copies or substantial portions of the Software.
34  *
35  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42  *     OTHER DEALINGS IN THE SOFTWARE.
43  */
44
45 #include "skeleton.dtsi"
46
47 #include <dt-bindings/interrupt-controller/arm-gic.h>
48
49 #include <dt-bindings/pinctrl/sun4i-a10.h>
50
51 / {
52         interrupt-parent = <&gic>;
53
54         chosen {
55                 #address-cells = <1>;
56                 #size-cells = <1>;
57                 ranges;
58
59                 framebuffer@0 {
60                         compatible = "allwinner,simple-framebuffer",
61                                      "simple-framebuffer";
62                         allwinner,pipeline = "de_be0-lcd0";
63                         clocks = <&pll6 0>;
64                         status = "disabled";
65                 };
66         };
67
68         timer {
69                 compatible = "arm,armv7-timer";
70                 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
71                              <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
72                              <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
73                              <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
74                 clock-frequency = <24000000>;
75                 arm,cpu-registers-not-fw-configured;
76         };
77
78         cpus {
79                 enable-method = "allwinner,sun8i-a23";
80                 #address-cells = <1>;
81                 #size-cells = <0>;
82
83                 cpu@0 {
84                         compatible = "arm,cortex-a7";
85                         device_type = "cpu";
86                         reg = <0>;
87                 };
88
89                 cpu@1 {
90                         compatible = "arm,cortex-a7";
91                         device_type = "cpu";
92                         reg = <1>;
93                 };
94         };
95
96         clocks {
97                 #address-cells = <1>;
98                 #size-cells = <1>;
99                 ranges;
100
101                 osc24M: osc24M_clk {
102                         #clock-cells = <0>;
103                         compatible = "fixed-clock";
104                         clock-frequency = <24000000>;
105                         clock-output-names = "osc24M";
106                 };
107
108                 osc32k: osc32k_clk {
109                         #clock-cells = <0>;
110                         compatible = "fixed-clock";
111                         clock-frequency = <32768>;
112                         clock-output-names = "osc32k";
113                 };
114
115                 pll1: clk@01c20000 {
116                         #clock-cells = <0>;
117                         compatible = "allwinner,sun8i-a23-pll1-clk";
118                         reg = <0x01c20000 0x4>;
119                         clocks = <&osc24M>;
120                         clock-output-names = "pll1";
121                 };
122
123                 /* dummy clock until actually implemented */
124                 pll5: pll5_clk {
125                         #clock-cells = <0>;
126                         compatible = "fixed-clock";
127                         clock-frequency = <0>;
128                         clock-output-names = "pll5";
129                 };
130
131                 pll6: clk@01c20028 {
132                         #clock-cells = <1>;
133                         compatible = "allwinner,sun6i-a31-pll6-clk";
134                         reg = <0x01c20028 0x4>;
135                         clocks = <&osc24M>;
136                         clock-output-names = "pll6", "pll6x2";
137                 };
138
139                 cpu: cpu_clk@01c20050 {
140                         #clock-cells = <0>;
141                         compatible = "allwinner,sun4i-a10-cpu-clk";
142                         reg = <0x01c20050 0x4>;
143
144                         /*
145                          * PLL1 is listed twice here.
146                          * While it looks suspicious, it's actually documented
147                          * that way both in the datasheet and in the code from
148                          * Allwinner.
149                          */
150                         clocks = <&osc32k>, <&osc24M>, <&pll1>, <&pll1>;
151                         clock-output-names = "cpu";
152                 };
153
154                 axi: axi_clk@01c20050 {
155                         #clock-cells = <0>;
156                         compatible = "allwinner,sun8i-a23-axi-clk";
157                         reg = <0x01c20050 0x4>;
158                         clocks = <&cpu>;
159                         clock-output-names = "axi";
160                 };
161
162                 ahb1: ahb1_clk@01c20054 {
163                         #clock-cells = <0>;
164                         compatible = "allwinner,sun6i-a31-ahb1-clk";
165                         reg = <0x01c20054 0x4>;
166                         clocks = <&osc32k>, <&osc24M>, <&axi>, <&pll6 0>;
167                         clock-output-names = "ahb1";
168                 };
169
170                 apb1: apb1_clk@01c20054 {
171                         #clock-cells = <0>;
172                         compatible = "allwinner,sun4i-a10-apb0-clk";
173                         reg = <0x01c20054 0x4>;
174                         clocks = <&ahb1>;
175                         clock-output-names = "apb1";
176                 };
177
178                 ahb1_gates: clk@01c20060 {
179                         #clock-cells = <1>;
180                         compatible = "allwinner,sun8i-a23-ahb1-gates-clk";
181                         reg = <0x01c20060 0x8>;
182                         clocks = <&ahb1>;
183                         clock-output-names = "ahb1_mipidsi", "ahb1_dma",
184                                         "ahb1_mmc0", "ahb1_mmc1", "ahb1_mmc2",
185                                         "ahb1_nand", "ahb1_sdram",
186                                         "ahb1_hstimer", "ahb1_spi0",
187                                         "ahb1_spi1", "ahb1_otg", "ahb1_ehci",
188                                         "ahb1_ohci", "ahb1_ve", "ahb1_lcd",
189                                         "ahb1_csi", "ahb1_be",  "ahb1_fe",
190                                         "ahb1_gpu", "ahb1_spinlock",
191                                         "ahb1_drc";
192                 };
193
194                 apb1_gates: clk@01c20068 {
195                         #clock-cells = <1>;
196                         compatible = "allwinner,sun8i-a23-apb1-gates-clk";
197                         reg = <0x01c20068 0x4>;
198                         clocks = <&apb1>;
199                         clock-output-names = "apb1_codec", "apb1_pio",
200                                         "apb1_daudio0", "apb1_daudio1";
201                 };
202
203                 apb2: clk@01c20058 {
204                         #clock-cells = <0>;
205                         compatible = "allwinner,sun4i-a10-apb1-clk";
206                         reg = <0x01c20058 0x4>;
207                         clocks = <&osc32k>, <&osc24M>, <&pll6 0>, <&pll6 0>;
208                         clock-output-names = "apb2";
209                 };
210
211                 apb2_gates: clk@01c2006c {
212                         #clock-cells = <1>;
213                         compatible = "allwinner,sun8i-a23-apb2-gates-clk";
214                         reg = <0x01c2006c 0x4>;
215                         clocks = <&apb2>;
216                         clock-output-names = "apb2_i2c0", "apb2_i2c1",
217                                         "apb2_i2c2", "apb2_uart0",
218                                         "apb2_uart1", "apb2_uart2",
219                                         "apb2_uart3", "apb2_uart4";
220                 };
221
222                 mmc0_clk: clk@01c20088 {
223                         #clock-cells = <1>;
224                         compatible = "allwinner,sun4i-a10-mmc-clk";
225                         reg = <0x01c20088 0x4>;
226                         clocks = <&osc24M>, <&pll6 0>;
227                         clock-output-names = "mmc0",
228                                              "mmc0_output",
229                                              "mmc0_sample";
230                 };
231
232                 mmc1_clk: clk@01c2008c {
233                         #clock-cells = <1>;
234                         compatible = "allwinner,sun4i-a10-mmc-clk";
235                         reg = <0x01c2008c 0x4>;
236                         clocks = <&osc24M>, <&pll6 0>;
237                         clock-output-names = "mmc1",
238                                              "mmc1_output",
239                                              "mmc1_sample";
240                 };
241
242                 mmc2_clk: clk@01c20090 {
243                         #clock-cells = <1>;
244                         compatible = "allwinner,sun4i-a10-mmc-clk";
245                         reg = <0x01c20090 0x4>;
246                         clocks = <&osc24M>, <&pll6 0>;
247                         clock-output-names = "mmc2",
248                                              "mmc2_output",
249                                              "mmc2_sample";
250                 };
251
252                 usb_clk: clk@01c200cc {
253                         #clock-cells = <1>;
254                         #reset-cells = <1>;
255                         compatible = "allwinner,sun8i-a23-usb-clk";
256                         reg = <0x01c200cc 0x4>;
257                         clocks = <&osc24M>;
258                         clock-output-names = "usb_phy0", "usb_phy1", "usb_hsic",
259                                              "usb_hsic_12M", "usb_ohci0";
260                 };
261         };
262
263         soc@01c00000 {
264                 compatible = "simple-bus";
265                 #address-cells = <1>;
266                 #size-cells = <1>;
267                 ranges;
268
269                 dma: dma-controller@01c02000 {
270                         compatible = "allwinner,sun8i-a23-dma";
271                         reg = <0x01c02000 0x1000>;
272                         interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
273                         clocks = <&ahb1_gates 6>;
274                         resets = <&ahb1_rst 6>;
275                         #dma-cells = <1>;
276                 };
277
278                 mmc0: mmc@01c0f000 {
279                         compatible = "allwinner,sun5i-a13-mmc";
280                         reg = <0x01c0f000 0x1000>;
281                         clocks = <&ahb1_gates 8>,
282                                  <&mmc0_clk 0>,
283                                  <&mmc0_clk 1>,
284                                  <&mmc0_clk 2>;
285                         clock-names = "ahb",
286                                       "mmc",
287                                       "output",
288                                       "sample";
289                         resets = <&ahb1_rst 8>;
290                         reset-names = "ahb";
291                         interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>;
292                         status = "disabled";
293                         #address-cells = <1>;
294                         #size-cells = <0>;
295                 };
296
297                 mmc1: mmc@01c10000 {
298                         compatible = "allwinner,sun5i-a13-mmc";
299                         reg = <0x01c10000 0x1000>;
300                         clocks = <&ahb1_gates 9>,
301                                  <&mmc1_clk 0>,
302                                  <&mmc1_clk 1>,
303                                  <&mmc1_clk 2>;
304                         clock-names = "ahb",
305                                       "mmc",
306                                       "output",
307                                       "sample";
308                         resets = <&ahb1_rst 9>;
309                         reset-names = "ahb";
310                         interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
311                         status = "disabled";
312                         #address-cells = <1>;
313                         #size-cells = <0>;
314                 };
315
316                 mmc2: mmc@01c11000 {
317                         compatible = "allwinner,sun5i-a13-mmc";
318                         reg = <0x01c11000 0x1000>;
319                         clocks = <&ahb1_gates 10>,
320                                  <&mmc2_clk 0>,
321                                  <&mmc2_clk 1>,
322                                  <&mmc2_clk 2>;
323                         clock-names = "ahb",
324                                       "mmc",
325                                       "output",
326                                       "sample";
327                         resets = <&ahb1_rst 10>;
328                         reset-names = "ahb";
329                         interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
330                         status = "disabled";
331                         #address-cells = <1>;
332                         #size-cells = <0>;
333                 };
334
335                 pio: pinctrl@01c20800 {
336                         /* compatible gets set in SoC specific dtsi file */
337                         reg = <0x01c20800 0x400>;
338                         /* interrupts get set in SoC specific dtsi file */
339                         clocks = <&apb1_gates 5>;
340                         gpio-controller;
341                         interrupt-controller;
342                         #address-cells = <1>;
343                         #size-cells = <0>;
344                         #gpio-cells = <3>;
345
346                         uart0_pins_a: uart0@0 {
347                                 allwinner,pins = "PF2", "PF4";
348                                 allwinner,function = "uart0";
349                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
350                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
351                         };
352
353                         mmc0_pins_a: mmc0@0 {
354                                 allwinner,pins = "PF0", "PF1", "PF2",
355                                                  "PF3", "PF4", "PF5";
356                                 allwinner,function = "mmc0";
357                                 allwinner,drive = <SUN4I_PINCTRL_30_MA>;
358                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
359                         };
360
361                         mmc1_pins_a: mmc1@0 {
362                                 allwinner,pins = "PG0", "PG1", "PG2",
363                                                  "PG3", "PG4", "PG5";
364                                 allwinner,function = "mmc1";
365                                 allwinner,drive = <SUN4I_PINCTRL_30_MA>;
366                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
367                         };
368
369                         mmc2_8bit_pins: mmc2_8bit {
370                                 allwinner,pins = "PC5", "PC6", "PC8",
371                                                  "PC9", "PC10", "PC11",
372                                                  "PC12", "PC13", "PC14",
373                                                  "PC15";
374                                 allwinner,function = "mmc2";
375                                 allwinner,drive = <SUN4I_PINCTRL_30_MA>;
376                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
377                         };
378
379                         i2c0_pins_a: i2c0@0 {
380                                 allwinner,pins = "PH2", "PH3";
381                                 allwinner,function = "i2c0";
382                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
383                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
384                         };
385
386                         i2c1_pins_a: i2c1@0 {
387                                 allwinner,pins = "PH4", "PH5";
388                                 allwinner,function = "i2c1";
389                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
390                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
391                         };
392
393                         i2c2_pins_a: i2c2@0 {
394                                 allwinner,pins = "PE12", "PE13";
395                                 allwinner,function = "i2c2";
396                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
397                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
398                         };
399                 };
400
401                 ahb1_rst: reset@01c202c0 {
402                         #reset-cells = <1>;
403                         compatible = "allwinner,sun6i-a31-clock-reset";
404                         reg = <0x01c202c0 0xc>;
405                 };
406
407                 apb1_rst: reset@01c202d0 {
408                         #reset-cells = <1>;
409                         compatible = "allwinner,sun6i-a31-clock-reset";
410                         reg = <0x01c202d0 0x4>;
411                 };
412
413                 apb2_rst: reset@01c202d8 {
414                         #reset-cells = <1>;
415                         compatible = "allwinner,sun6i-a31-clock-reset";
416                         reg = <0x01c202d8 0x4>;
417                 };
418
419                 timer@01c20c00 {
420                         compatible = "allwinner,sun4i-a10-timer";
421                         reg = <0x01c20c00 0xa0>;
422                         interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
423                                      <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
424                         clocks = <&osc24M>;
425                 };
426
427                 wdt0: watchdog@01c20ca0 {
428                         compatible = "allwinner,sun6i-a31-wdt";
429                         reg = <0x01c20ca0 0x20>;
430                         interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
431                 };
432
433                 lradc: lradc@01c22800 {
434                         compatible = "allwinner,sun4i-a10-lradc-keys";
435                         reg = <0x01c22800 0x100>;
436                         interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
437                         status = "disabled";
438                 };
439
440                 uart0: serial@01c28000 {
441                         compatible = "snps,dw-apb-uart";
442                         reg = <0x01c28000 0x400>;
443                         interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
444                         reg-shift = <2>;
445                         reg-io-width = <4>;
446                         clocks = <&apb2_gates 16>;
447                         resets = <&apb2_rst 16>;
448                         dmas = <&dma 6>, <&dma 6>;
449                         dma-names = "rx", "tx";
450                         status = "disabled";
451                 };
452
453                 uart1: serial@01c28400 {
454                         compatible = "snps,dw-apb-uart";
455                         reg = <0x01c28400 0x400>;
456                         interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
457                         reg-shift = <2>;
458                         reg-io-width = <4>;
459                         clocks = <&apb2_gates 17>;
460                         resets = <&apb2_rst 17>;
461                         dmas = <&dma 7>, <&dma 7>;
462                         dma-names = "rx", "tx";
463                         status = "disabled";
464                 };
465
466                 uart2: serial@01c28800 {
467                         compatible = "snps,dw-apb-uart";
468                         reg = <0x01c28800 0x400>;
469                         interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
470                         reg-shift = <2>;
471                         reg-io-width = <4>;
472                         clocks = <&apb2_gates 18>;
473                         resets = <&apb2_rst 18>;
474                         dmas = <&dma 8>, <&dma 8>;
475                         dma-names = "rx", "tx";
476                         status = "disabled";
477                 };
478
479                 uart3: serial@01c28c00 {
480                         compatible = "snps,dw-apb-uart";
481                         reg = <0x01c28c00 0x400>;
482                         interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
483                         reg-shift = <2>;
484                         reg-io-width = <4>;
485                         clocks = <&apb2_gates 19>;
486                         resets = <&apb2_rst 19>;
487                         dmas = <&dma 9>, <&dma 9>;
488                         dma-names = "rx", "tx";
489                         status = "disabled";
490                 };
491
492                 uart4: serial@01c29000 {
493                         compatible = "snps,dw-apb-uart";
494                         reg = <0x01c29000 0x400>;
495                         interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
496                         reg-shift = <2>;
497                         reg-io-width = <4>;
498                         clocks = <&apb2_gates 20>;
499                         resets = <&apb2_rst 20>;
500                         dmas = <&dma 10>, <&dma 10>;
501                         dma-names = "rx", "tx";
502                         status = "disabled";
503                 };
504
505                 i2c0: i2c@01c2ac00 {
506                         compatible = "allwinner,sun6i-a31-i2c";
507                         reg = <0x01c2ac00 0x400>;
508                         interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
509                         clocks = <&apb2_gates 0>;
510                         resets = <&apb2_rst 0>;
511                         status = "disabled";
512                         #address-cells = <1>;
513                         #size-cells = <0>;
514                 };
515
516                 i2c1: i2c@01c2b000 {
517                         compatible = "allwinner,sun6i-a31-i2c";
518                         reg = <0x01c2b000 0x400>;
519                         interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
520                         clocks = <&apb2_gates 1>;
521                         resets = <&apb2_rst 1>;
522                         status = "disabled";
523                         #address-cells = <1>;
524                         #size-cells = <0>;
525                 };
526
527                 i2c2: i2c@01c2b400 {
528                         compatible = "allwinner,sun6i-a31-i2c";
529                         reg = <0x01c2b400 0x400>;
530                         interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
531                         clocks = <&apb2_gates 2>;
532                         resets = <&apb2_rst 2>;
533                         status = "disabled";
534                         #address-cells = <1>;
535                         #size-cells = <0>;
536                 };
537
538                 gic: interrupt-controller@01c81000 {
539                         compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
540                         reg = <0x01c81000 0x1000>,
541                               <0x01c82000 0x1000>,
542                               <0x01c84000 0x2000>,
543                               <0x01c86000 0x2000>;
544                         interrupt-controller;
545                         #interrupt-cells = <3>;
546                         interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
547                 };
548
549                 rtc: rtc@01f00000 {
550                         compatible = "allwinner,sun6i-a31-rtc";
551                         reg = <0x01f00000 0x54>;
552                         interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
553                                      <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
554                 };
555
556                 prcm@01f01400 {
557                         compatible = "allwinner,sun8i-a23-prcm";
558                         reg = <0x01f01400 0x200>;
559
560                         ar100: ar100_clk {
561                                 compatible = "fixed-factor-clock";
562                                 #clock-cells = <0>;
563                                 clock-div = <1>;
564                                 clock-mult = <1>;
565                                 clocks = <&osc24M>;
566                                 clock-output-names = "ar100";
567                         };
568
569                         ahb0: ahb0_clk {
570                                 compatible = "fixed-factor-clock";
571                                 #clock-cells = <0>;
572                                 clock-div = <1>;
573                                 clock-mult = <1>;
574                                 clocks = <&ar100>;
575                                 clock-output-names = "ahb0";
576                         };
577
578                         apb0: apb0_clk {
579                                 compatible = "allwinner,sun8i-a23-apb0-clk";
580                                 #clock-cells = <0>;
581                                 clocks = <&ahb0>;
582                                 clock-output-names = "apb0";
583                         };
584
585                         apb0_gates: apb0_gates_clk {
586                                 compatible = "allwinner,sun8i-a23-apb0-gates-clk";
587                                 #clock-cells = <1>;
588                                 clocks = <&apb0>;
589                                 clock-output-names = "apb0_pio", "apb0_timer",
590                                                 "apb0_rsb", "apb0_uart",
591                                                 "apb0_i2c";
592                         };
593
594                         apb0_rst: apb0_rst {
595                                 compatible = "allwinner,sun6i-a31-clock-reset";
596                                 #reset-cells = <1>;
597                         };
598                 };
599
600                 cpucfg@01f01c00 {
601                         compatible = "allwinner,sun8i-a23-cpuconfig";
602                         reg = <0x01f01c00 0x300>;
603                 };
604
605                 r_uart: serial@01f02800 {
606                         compatible = "snps,dw-apb-uart";
607                         reg = <0x01f02800 0x400>;
608                         interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
609                         reg-shift = <2>;
610                         reg-io-width = <4>;
611                         clocks = <&apb0_gates 4>;
612                         resets = <&apb0_rst 4>;
613                         status = "disabled";
614                 };
615
616                 r_pio: pinctrl@01f02c00 {
617                         compatible = "allwinner,sun8i-a23-r-pinctrl";
618                         reg = <0x01f02c00 0x400>;
619                         interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
620                         clocks = <&apb0_gates 0>;
621                         resets = <&apb0_rst 0>;
622                         gpio-controller;
623                         interrupt-controller;
624                         #address-cells = <1>;
625                         #size-cells = <0>;
626                         #gpio-cells = <3>;
627
628                         r_uart_pins_a: r_uart@0 {
629                                 allwinner,pins = "PL2", "PL3";
630                                 allwinner,function = "s_uart";
631                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
632                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
633                         };
634                 };
635         };
636 };