]> git.kernelconcepts.de Git - karo-tx-uboot.git/blob - arch/arm/dts/sun8i-a23.dtsi
6d6eda398e31b23dd21051a0e48656e713ab78e9
[karo-tx-uboot.git] / arch / arm / dts / sun8i-a23.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  *     You should have received a copy of the GNU General Public
22  *     License along with this file; if not, write to the Free
23  *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
24  *     MA 02110-1301 USA
25  *
26  * Or, alternatively,
27  *
28  *  b) Permission is hereby granted, free of charge, to any person
29  *     obtaining a copy of this software and associated documentation
30  *     files (the "Software"), to deal in the Software without
31  *     restriction, including without limitation the rights to use,
32  *     copy, modify, merge, publish, distribute, sublicense, and/or
33  *     sell copies of the Software, and to permit persons to whom the
34  *     Software is furnished to do so, subject to the following
35  *     conditions:
36  *
37  *     The above copyright notice and this permission notice shall be
38  *     included in all copies or substantial portions of the Software.
39  *
40  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
41  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
42  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
43  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
44  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
45  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
46  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
47  *     OTHER DEALINGS IN THE SOFTWARE.
48  */
49
50 #include "skeleton.dtsi"
51
52 #include <dt-bindings/interrupt-controller/arm-gic.h>
53
54 #include <dt-bindings/pinctrl/sun4i-a10.h>
55
56 / {
57         interrupt-parent = <&gic>;
58
59         chosen {
60                 #address-cells = <1>;
61                 #size-cells = <1>;
62                 ranges;
63
64                 framebuffer@0 {
65                         compatible = "allwinner,simple-framebuffer",
66                                      "simple-framebuffer";
67                         allwinner,pipeline = "de_be0-lcd0";
68                         clocks = <&pll6 0>;
69                         status = "disabled";
70                 };
71         };
72
73         timer {
74                 compatible = "arm,armv7-timer";
75                 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
76                              <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
77                              <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
78                              <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
79                 clock-frequency = <24000000>;
80                 arm,cpu-registers-not-fw-configured;
81         };
82
83         cpus {
84                 enable-method = "allwinner,sun8i-a23";
85                 #address-cells = <1>;
86                 #size-cells = <0>;
87
88                 cpu@0 {
89                         compatible = "arm,cortex-a7";
90                         device_type = "cpu";
91                         reg = <0>;
92                 };
93
94                 cpu@1 {
95                         compatible = "arm,cortex-a7";
96                         device_type = "cpu";
97                         reg = <1>;
98                 };
99         };
100
101         memory {
102                 reg = <0x40000000 0x40000000>;
103         };
104
105         clocks {
106                 #address-cells = <1>;
107                 #size-cells = <1>;
108                 ranges;
109
110                 osc24M: osc24M_clk {
111                         #clock-cells = <0>;
112                         compatible = "fixed-clock";
113                         clock-frequency = <24000000>;
114                         clock-output-names = "osc24M";
115                 };
116
117                 osc32k: osc32k_clk {
118                         #clock-cells = <0>;
119                         compatible = "fixed-clock";
120                         clock-frequency = <32768>;
121                         clock-output-names = "osc32k";
122                 };
123
124                 pll1: clk@01c20000 {
125                         #clock-cells = <0>;
126                         compatible = "allwinner,sun8i-a23-pll1-clk";
127                         reg = <0x01c20000 0x4>;
128                         clocks = <&osc24M>;
129                         clock-output-names = "pll1";
130                 };
131
132                 /* dummy clock until actually implemented */
133                 pll5: pll5_clk {
134                         #clock-cells = <0>;
135                         compatible = "fixed-clock";
136                         clock-frequency = <0>;
137                         clock-output-names = "pll5";
138                 };
139
140                 pll6: clk@01c20028 {
141                         #clock-cells = <1>;
142                         compatible = "allwinner,sun6i-a31-pll6-clk";
143                         reg = <0x01c20028 0x4>;
144                         clocks = <&osc24M>;
145                         clock-output-names = "pll6", "pll6x2";
146                 };
147
148                 cpu: cpu_clk@01c20050 {
149                         #clock-cells = <0>;
150                         compatible = "allwinner,sun4i-a10-cpu-clk";
151                         reg = <0x01c20050 0x4>;
152
153                         /*
154                          * PLL1 is listed twice here.
155                          * While it looks suspicious, it's actually documented
156                          * that way both in the datasheet and in the code from
157                          * Allwinner.
158                          */
159                         clocks = <&osc32k>, <&osc24M>, <&pll1>, <&pll1>;
160                         clock-output-names = "cpu";
161                 };
162
163                 axi: axi_clk@01c20050 {
164                         #clock-cells = <0>;
165                         compatible = "allwinner,sun8i-a23-axi-clk";
166                         reg = <0x01c20050 0x4>;
167                         clocks = <&cpu>;
168                         clock-output-names = "axi";
169                 };
170
171                 ahb1: ahb1_clk@01c20054 {
172                         #clock-cells = <0>;
173                         compatible = "allwinner,sun6i-a31-ahb1-clk";
174                         reg = <0x01c20054 0x4>;
175                         clocks = <&osc32k>, <&osc24M>, <&axi>, <&pll6 0>;
176                         clock-output-names = "ahb1";
177                 };
178
179                 apb1: apb1_clk@01c20054 {
180                         #clock-cells = <0>;
181                         compatible = "allwinner,sun4i-a10-apb0-clk";
182                         reg = <0x01c20054 0x4>;
183                         clocks = <&ahb1>;
184                         clock-output-names = "apb1";
185                 };
186
187                 ahb1_gates: clk@01c20060 {
188                         #clock-cells = <1>;
189                         compatible = "allwinner,sun8i-a23-ahb1-gates-clk";
190                         reg = <0x01c20060 0x8>;
191                         clocks = <&ahb1>;
192                         clock-output-names = "ahb1_mipidsi", "ahb1_dma",
193                                         "ahb1_mmc0", "ahb1_mmc1", "ahb1_mmc2",
194                                         "ahb1_nand", "ahb1_sdram",
195                                         "ahb1_hstimer", "ahb1_spi0",
196                                         "ahb1_spi1", "ahb1_otg", "ahb1_ehci",
197                                         "ahb1_ohci", "ahb1_ve", "ahb1_lcd",
198                                         "ahb1_csi", "ahb1_be",  "ahb1_fe",
199                                         "ahb1_gpu", "ahb1_spinlock",
200                                         "ahb1_drc";
201                 };
202
203                 apb1_gates: clk@01c20068 {
204                         #clock-cells = <1>;
205                         compatible = "allwinner,sun8i-a23-apb1-gates-clk";
206                         reg = <0x01c20068 0x4>;
207                         clocks = <&apb1>;
208                         clock-output-names = "apb1_codec", "apb1_pio",
209                                         "apb1_daudio0", "apb1_daudio1";
210                 };
211
212                 apb2: clk@01c20058 {
213                         #clock-cells = <0>;
214                         compatible = "allwinner,sun4i-a10-apb1-clk";
215                         reg = <0x01c20058 0x4>;
216                         clocks = <&osc32k>, <&osc24M>, <&pll6 0>, <&pll6 0>;
217                         clock-output-names = "apb2";
218                 };
219
220                 apb2_gates: clk@01c2006c {
221                         #clock-cells = <1>;
222                         compatible = "allwinner,sun8i-a23-apb2-gates-clk";
223                         reg = <0x01c2006c 0x4>;
224                         clocks = <&apb2>;
225                         clock-output-names = "apb2_i2c0", "apb2_i2c1",
226                                         "apb2_i2c2", "apb2_uart0",
227                                         "apb2_uart1", "apb2_uart2",
228                                         "apb2_uart3", "apb2_uart4";
229                 };
230
231                 mmc0_clk: clk@01c20088 {
232                         #clock-cells = <1>;
233                         compatible = "allwinner,sun4i-a10-mmc-clk";
234                         reg = <0x01c20088 0x4>;
235                         clocks = <&osc24M>, <&pll6 0>;
236                         clock-output-names = "mmc0",
237                                              "mmc0_output",
238                                              "mmc0_sample";
239                 };
240
241                 mmc1_clk: clk@01c2008c {
242                         #clock-cells = <1>;
243                         compatible = "allwinner,sun4i-a10-mmc-clk";
244                         reg = <0x01c2008c 0x4>;
245                         clocks = <&osc24M>, <&pll6 0>;
246                         clock-output-names = "mmc1",
247                                              "mmc1_output",
248                                              "mmc1_sample";
249                 };
250
251                 mmc2_clk: clk@01c20090 {
252                         #clock-cells = <1>;
253                         compatible = "allwinner,sun4i-a10-mmc-clk";
254                         reg = <0x01c20090 0x4>;
255                         clocks = <&osc24M>, <&pll6 0>;
256                         clock-output-names = "mmc2",
257                                              "mmc2_output",
258                                              "mmc2_sample";
259                 };
260
261                 mbus_clk: clk@01c2015c {
262                         #clock-cells = <0>;
263                         compatible = "allwinner,sun8i-a23-mbus-clk";
264                         reg = <0x01c2015c 0x4>;
265                         clocks = <&osc24M>, <&pll6 1>, <&pll5>;
266                         clock-output-names = "mbus";
267                 };
268         };
269
270         soc@01c00000 {
271                 compatible = "simple-bus";
272                 #address-cells = <1>;
273                 #size-cells = <1>;
274                 ranges;
275
276                 dma: dma-controller@01c02000 {
277                         compatible = "allwinner,sun8i-a23-dma";
278                         reg = <0x01c02000 0x1000>;
279                         interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
280                         clocks = <&ahb1_gates 6>;
281                         resets = <&ahb1_rst 6>;
282                         #dma-cells = <1>;
283                 };
284
285                 mmc0: mmc@01c0f000 {
286                         compatible = "allwinner,sun5i-a13-mmc";
287                         reg = <0x01c0f000 0x1000>;
288                         clocks = <&ahb1_gates 8>,
289                                  <&mmc0_clk 0>,
290                                  <&mmc0_clk 1>,
291                                  <&mmc0_clk 2>;
292                         clock-names = "ahb",
293                                       "mmc",
294                                       "output",
295                                       "sample";
296                         resets = <&ahb1_rst 8>;
297                         reset-names = "ahb";
298                         interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>;
299                         status = "disabled";
300                         #address-cells = <1>;
301                         #size-cells = <0>;
302                 };
303
304                 mmc1: mmc@01c10000 {
305                         compatible = "allwinner,sun5i-a13-mmc";
306                         reg = <0x01c10000 0x1000>;
307                         clocks = <&ahb1_gates 9>,
308                                  <&mmc1_clk 0>,
309                                  <&mmc1_clk 1>,
310                                  <&mmc1_clk 2>;
311                         clock-names = "ahb",
312                                       "mmc",
313                                       "output",
314                                       "sample";
315                         resets = <&ahb1_rst 9>;
316                         reset-names = "ahb";
317                         interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
318                         status = "disabled";
319                         #address-cells = <1>;
320                         #size-cells = <0>;
321                 };
322
323                 mmc2: mmc@01c11000 {
324                         compatible = "allwinner,sun5i-a13-mmc";
325                         reg = <0x01c11000 0x1000>;
326                         clocks = <&ahb1_gates 10>,
327                                  <&mmc2_clk 0>,
328                                  <&mmc2_clk 1>,
329                                  <&mmc2_clk 2>;
330                         clock-names = "ahb",
331                                       "mmc",
332                                       "output",
333                                       "sample";
334                         resets = <&ahb1_rst 10>;
335                         reset-names = "ahb";
336                         interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
337                         status = "disabled";
338                         #address-cells = <1>;
339                         #size-cells = <0>;
340                 };
341
342                 pio: pinctrl@01c20800 {
343                         compatible = "allwinner,sun8i-a23-pinctrl";
344                         reg = <0x01c20800 0x400>;
345                         interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
346                                      <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
347                                      <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
348                         clocks = <&apb1_gates 5>;
349                         gpio-controller;
350                         interrupt-controller;
351                         #address-cells = <1>;
352                         #size-cells = <0>;
353                         #gpio-cells = <3>;
354
355                         uart0_pins_a: uart0@0 {
356                                 allwinner,pins = "PF2", "PF4";
357                                 allwinner,function = "uart0";
358                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
359                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
360                         };
361
362                         mmc0_pins_a: mmc0@0 {
363                                 allwinner,pins = "PF0","PF1","PF2","PF3","PF4","PF5";
364                                 allwinner,function = "mmc0";
365                                 allwinner,drive = <SUN4I_PINCTRL_30_MA>;
366                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
367                         };
368
369                         mmc1_pins_a: mmc1@0 {
370                                 allwinner,pins = "PG0","PG1","PG2","PG3","PG4","PG5";
371                                 allwinner,function = "mmc1";
372                                 allwinner,drive = <SUN4I_PINCTRL_30_MA>;
373                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
374                         };
375
376                         i2c0_pins_a: i2c0@0 {
377                                 allwinner,pins = "PH2", "PH3";
378                                 allwinner,function = "i2c0";
379                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
380                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
381                         };
382
383                         i2c1_pins_a: i2c1@0 {
384                                 allwinner,pins = "PH4", "PH5";
385                                 allwinner,function = "i2c1";
386                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
387                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
388                         };
389
390                         i2c2_pins_a: i2c2@0 {
391                                 allwinner,pins = "PE12", "PE13";
392                                 allwinner,function = "i2c2";
393                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
394                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
395                         };
396                 };
397
398                 ahb1_rst: reset@01c202c0 {
399                         #reset-cells = <1>;
400                         compatible = "allwinner,sun6i-a31-clock-reset";
401                         reg = <0x01c202c0 0xc>;
402                 };
403
404                 apb1_rst: reset@01c202d0 {
405                         #reset-cells = <1>;
406                         compatible = "allwinner,sun6i-a31-clock-reset";
407                         reg = <0x01c202d0 0x4>;
408                 };
409
410                 apb2_rst: reset@01c202d8 {
411                         #reset-cells = <1>;
412                         compatible = "allwinner,sun6i-a31-clock-reset";
413                         reg = <0x01c202d8 0x4>;
414                 };
415
416                 timer@01c20c00 {
417                         compatible = "allwinner,sun4i-a10-timer";
418                         reg = <0x01c20c00 0xa0>;
419                         interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
420                                      <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
421                         clocks = <&osc24M>;
422                 };
423
424                 wdt0: watchdog@01c20ca0 {
425                         compatible = "allwinner,sun6i-a31-wdt";
426                         reg = <0x01c20ca0 0x20>;
427                         interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
428                 };
429
430                 lradc: lradc@01c22800 {
431                         compatible = "allwinner,sun4i-a10-lradc-keys";
432                         reg = <0x01c22800 0x100>;
433                         interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
434                         status = "disabled";
435                 };
436
437                 uart0: serial@01c28000 {
438                         compatible = "snps,dw-apb-uart";
439                         reg = <0x01c28000 0x400>;
440                         interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
441                         reg-shift = <2>;
442                         reg-io-width = <4>;
443                         clocks = <&apb2_gates 16>;
444                         resets = <&apb2_rst 16>;
445                         dmas = <&dma 6>, <&dma 6>;
446                         dma-names = "rx", "tx";
447                         status = "disabled";
448                 };
449
450                 uart1: serial@01c28400 {
451                         compatible = "snps,dw-apb-uart";
452                         reg = <0x01c28400 0x400>;
453                         interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
454                         reg-shift = <2>;
455                         reg-io-width = <4>;
456                         clocks = <&apb2_gates 17>;
457                         resets = <&apb2_rst 17>;
458                         dmas = <&dma 7>, <&dma 7>;
459                         dma-names = "rx", "tx";
460                         status = "disabled";
461                 };
462
463                 uart2: serial@01c28800 {
464                         compatible = "snps,dw-apb-uart";
465                         reg = <0x01c28800 0x400>;
466                         interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
467                         reg-shift = <2>;
468                         reg-io-width = <4>;
469                         clocks = <&apb2_gates 18>;
470                         resets = <&apb2_rst 18>;
471                         dmas = <&dma 8>, <&dma 8>;
472                         dma-names = "rx", "tx";
473                         status = "disabled";
474                 };
475
476                 uart3: serial@01c28c00 {
477                         compatible = "snps,dw-apb-uart";
478                         reg = <0x01c28c00 0x400>;
479                         interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
480                         reg-shift = <2>;
481                         reg-io-width = <4>;
482                         clocks = <&apb2_gates 19>;
483                         resets = <&apb2_rst 19>;
484                         dmas = <&dma 9>, <&dma 9>;
485                         dma-names = "rx", "tx";
486                         status = "disabled";
487                 };
488
489                 uart4: serial@01c29000 {
490                         compatible = "snps,dw-apb-uart";
491                         reg = <0x01c29000 0x400>;
492                         interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
493                         reg-shift = <2>;
494                         reg-io-width = <4>;
495                         clocks = <&apb2_gates 20>;
496                         resets = <&apb2_rst 20>;
497                         dmas = <&dma 10>, <&dma 10>;
498                         dma-names = "rx", "tx";
499                         status = "disabled";
500                 };
501
502                 i2c0: i2c@01c2ac00 {
503                         compatible = "allwinner,sun6i-a31-i2c";
504                         reg = <0x01c2ac00 0x400>;
505                         interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
506                         clocks = <&apb2_gates 0>;
507                         resets = <&apb2_rst 0>;
508                         status = "disabled";
509                         #address-cells = <1>;
510                         #size-cells = <0>;
511                 };
512
513                 i2c1: i2c@01c2b000 {
514                         compatible = "allwinner,sun6i-a31-i2c";
515                         reg = <0x01c2b000 0x400>;
516                         interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
517                         clocks = <&apb2_gates 1>;
518                         resets = <&apb2_rst 1>;
519                         status = "disabled";
520                         #address-cells = <1>;
521                         #size-cells = <0>;
522                 };
523
524                 i2c2: i2c@01c2b400 {
525                         compatible = "allwinner,sun6i-a31-i2c";
526                         reg = <0x01c2b400 0x400>;
527                         interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
528                         clocks = <&apb2_gates 2>;
529                         resets = <&apb2_rst 2>;
530                         status = "disabled";
531                         #address-cells = <1>;
532                         #size-cells = <0>;
533                 };
534
535                 gic: interrupt-controller@01c81000 {
536                         compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
537                         reg = <0x01c81000 0x1000>,
538                               <0x01c82000 0x1000>,
539                               <0x01c84000 0x2000>,
540                               <0x01c86000 0x2000>;
541                         interrupt-controller;
542                         #interrupt-cells = <3>;
543                         interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
544                 };
545
546                 rtc: rtc@01f00000 {
547                         compatible = "allwinner,sun6i-a31-rtc";
548                         reg = <0x01f00000 0x54>;
549                         interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
550                                      <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
551                 };
552
553                 prcm@01f01400 {
554                         compatible = "allwinner,sun8i-a23-prcm";
555                         reg = <0x01f01400 0x200>;
556
557                         ar100: ar100_clk {
558                                 compatible = "fixed-factor-clock";
559                                 #clock-cells = <0>;
560                                 clock-div = <1>;
561                                 clock-mult = <1>;
562                                 clocks = <&osc24M>;
563                                 clock-output-names = "ar100";
564                         };
565
566                         ahb0: ahb0_clk {
567                                 compatible = "fixed-factor-clock";
568                                 #clock-cells = <0>;
569                                 clock-div = <1>;
570                                 clock-mult = <1>;
571                                 clocks = <&ar100>;
572                                 clock-output-names = "ahb0";
573                         };
574
575                         apb0: apb0_clk {
576                                 compatible = "allwinner,sun8i-a23-apb0-clk";
577                                 #clock-cells = <0>;
578                                 clocks = <&ahb0>;
579                                 clock-output-names = "apb0";
580                         };
581
582                         apb0_gates: apb0_gates_clk {
583                                 compatible = "allwinner,sun8i-a23-apb0-gates-clk";
584                                 #clock-cells = <1>;
585                                 clocks = <&apb0>;
586                                 clock-output-names = "apb0_pio", "apb0_timer",
587                                                 "apb0_rsb", "apb0_uart",
588                                                 "apb0_i2c";
589                         };
590
591                         apb0_rst: apb0_rst {
592                                 compatible = "allwinner,sun6i-a31-clock-reset";
593                                 #reset-cells = <1>;
594                         };
595                 };
596
597                 cpucfg@01f01c00 {
598                         compatible = "allwinner,sun8i-a23-cpuconfig";
599                         reg = <0x01f01c00 0x300>;
600                 };
601
602                 r_uart: serial@01f02800 {
603                         compatible = "snps,dw-apb-uart";
604                         reg = <0x01f02800 0x400>;
605                         interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
606                         reg-shift = <2>;
607                         reg-io-width = <4>;
608                         clocks = <&apb0_gates 4>;
609                         resets = <&apb0_rst 4>;
610                         status = "disabled";
611                 };
612
613                 r_pio: pinctrl@01f02c00 {
614                         compatible = "allwinner,sun8i-a23-r-pinctrl";
615                         reg = <0x01f02c00 0x400>;
616                         interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
617                         clocks = <&apb0_gates 0>;
618                         resets = <&apb0_rst 0>;
619                         gpio-controller;
620                         interrupt-controller;
621                         #address-cells = <1>;
622                         #size-cells = <0>;
623                         #gpio-cells = <3>;
624
625                         r_uart_pins_a: r_uart@0 {
626                                 allwinner,pins = "PL2", "PL3";
627                                 allwinner,function = "s_uart";
628                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
629                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
630                         };
631                 };
632         };
633 };