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ARM: dts: sunxi: Improve A33 NAND transfers by using DMA
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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 <dt-bindings/interrupt-controller/arm-gic.h>
46
47 #include <dt-bindings/clock/sun8i-a23-a33-ccu.h>
48 #include <dt-bindings/reset/sun8i-a23-a33-ccu.h>
49
50 / {
51         interrupt-parent = <&gic>;
52         #address-cells = <1>;
53         #size-cells = <1>;
54
55         chosen {
56                 #address-cells = <1>;
57                 #size-cells = <1>;
58                 ranges;
59
60                 simplefb_lcd: framebuffer-lcd0 {
61                         compatible = "allwinner,simple-framebuffer",
62                                      "simple-framebuffer";
63                         allwinner,pipeline = "de_be0-lcd0";
64                         clocks = <&ccu CLK_BUS_LCD>, <&ccu CLK_BUS_DE_BE>,
65                                  <&ccu CLK_LCD_CH0>, <&ccu CLK_DE_BE>,
66                                  <&ccu CLK_DRAM_DE_BE>, <&ccu CLK_DRC>;
67                         status = "disabled";
68                 };
69         };
70
71         de: display-engine {
72                 /* compatible gets set in SoC specific dtsi file */
73                 allwinner,pipelines = <&fe0>;
74                 status = "disabled";
75         };
76
77         timer {
78                 compatible = "arm,armv7-timer";
79                 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
80                              <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
81                              <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
82                              <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
83                 clock-frequency = <24000000>;
84                 arm,cpu-registers-not-fw-configured;
85         };
86
87         cpus {
88                 enable-method = "allwinner,sun8i-a23";
89                 #address-cells = <1>;
90                 #size-cells = <0>;
91
92                 cpu0: cpu@0 {
93                         compatible = "arm,cortex-a7";
94                         device_type = "cpu";
95                         reg = <0>;
96                 };
97
98                 cpu@1 {
99                         compatible = "arm,cortex-a7";
100                         device_type = "cpu";
101                         reg = <1>;
102                 };
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-accuracy = <50000>;
115                         clock-output-names = "osc24M";
116                 };
117
118                 ext_osc32k: ext_osc32k_clk {
119                         #clock-cells = <0>;
120                         compatible = "fixed-clock";
121                         clock-frequency = <32768>;
122                         clock-accuracy = <50000>;
123                         clock-output-names = "ext-osc32k";
124                 };
125         };
126
127         soc {
128                 compatible = "simple-bus";
129                 #address-cells = <1>;
130                 #size-cells = <1>;
131                 ranges;
132
133                 system-control@1c00000 {
134                         compatible = "allwinner,sun8i-a23-system-control";
135                         reg = <0x01c00000 0x30>;
136                         #address-cells = <1>;
137                         #size-cells = <1>;
138                         ranges;
139
140                         sram_c: sram@1d00000 {
141                                 compatible = "mmio-sram";
142                                 reg = <0x01d00000 0x80000>;
143                                 #address-cells = <1>;
144                                 #size-cells = <1>;
145                                 ranges = <0 0x01d00000 0x80000>;
146
147                                 ve_sram: sram-section@0 {
148                                         compatible = "allwinner,sun8i-a23-sram-c1",
149                                                      "allwinner,sun4i-a10-sram-c1";
150                                         reg = <0x000000 0x80000>;
151                                 };
152                         };
153                 };
154
155                 dma: dma-controller@1c02000 {
156                         compatible = "allwinner,sun8i-a23-dma";
157                         reg = <0x01c02000 0x1000>;
158                         interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
159                         clocks = <&ccu CLK_BUS_DMA>;
160                         resets = <&ccu RST_BUS_DMA>;
161                         #dma-cells = <1>;
162                 };
163
164                 nfc: nand-controller@1c03000 {
165                         compatible = "allwinner,sun8i-a23-nand-controller";
166                         reg = <0x01c03000 0x1000>;
167                         interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
168                         clocks = <&ccu CLK_BUS_NAND>, <&ccu CLK_NAND>;
169                         clock-names = "ahb", "mod";
170                         resets = <&ccu RST_BUS_NAND>;
171                         reset-names = "ahb";
172                         dmas = <&dma 5>;
173                         dma-names = "rxtx";
174                         pinctrl-names = "default";
175                         pinctrl-0 = <&nand_pins &nand_cs0_pin &nand_rb0_pin>;
176                         status = "disabled";
177                         #address-cells = <1>;
178                         #size-cells = <0>;
179                 };
180
181                 tcon0: lcd-controller@1c0c000 {
182                         /* compatible gets set in SoC specific dtsi file */
183                         reg = <0x01c0c000 0x1000>;
184                         interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
185                         clocks = <&ccu CLK_BUS_LCD>,
186                                  <&ccu CLK_LCD_CH0>;
187                         clock-names = "ahb",
188                                       "tcon-ch0";
189                         clock-output-names = "tcon-pixel-clock";
190                         #clock-cells = <0>;
191                         resets = <&ccu RST_BUS_LCD>;
192                         reset-names = "lcd";
193                         status = "disabled";
194
195                         ports {
196                                 #address-cells = <1>;
197                                 #size-cells = <0>;
198
199                                 tcon0_in: port@0 {
200                                         reg = <0>;
201
202                                         tcon0_in_drc0: endpoint {
203                                                 remote-endpoint = <&drc0_out_tcon0>;
204                                         };
205                                 };
206
207                                 tcon0_out: port@1 {
208                                         reg = <1>;
209                                 };
210                         };
211                 };
212
213                 mmc0: mmc@1c0f000 {
214                         compatible = "allwinner,sun7i-a20-mmc";
215                         reg = <0x01c0f000 0x1000>;
216                         clocks = <&ccu CLK_BUS_MMC0>,
217                                  <&ccu CLK_MMC0>,
218                                  <&ccu CLK_MMC0_OUTPUT>,
219                                  <&ccu CLK_MMC0_SAMPLE>;
220                         clock-names = "ahb",
221                                       "mmc",
222                                       "output",
223                                       "sample";
224                         resets = <&ccu RST_BUS_MMC0>;
225                         reset-names = "ahb";
226                         interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>;
227                         pinctrl-names = "default";
228                         pinctrl-0 = <&mmc0_pins>;
229                         status = "disabled";
230                         #address-cells = <1>;
231                         #size-cells = <0>;
232                 };
233
234                 mmc1: mmc@1c10000 {
235                         compatible = "allwinner,sun7i-a20-mmc";
236                         reg = <0x01c10000 0x1000>;
237                         clocks = <&ccu CLK_BUS_MMC1>,
238                                  <&ccu CLK_MMC1>,
239                                  <&ccu CLK_MMC1_OUTPUT>,
240                                  <&ccu CLK_MMC1_SAMPLE>;
241                         clock-names = "ahb",
242                                       "mmc",
243                                       "output",
244                                       "sample";
245                         resets = <&ccu RST_BUS_MMC1>;
246                         reset-names = "ahb";
247                         interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
248                         status = "disabled";
249                         #address-cells = <1>;
250                         #size-cells = <0>;
251                 };
252
253                 mmc2: mmc@1c11000 {
254                         compatible = "allwinner,sun7i-a20-mmc";
255                         reg = <0x01c11000 0x1000>;
256                         clocks = <&ccu CLK_BUS_MMC2>,
257                                  <&ccu CLK_MMC2>,
258                                  <&ccu CLK_MMC2_OUTPUT>,
259                                  <&ccu CLK_MMC2_SAMPLE>;
260                         clock-names = "ahb",
261                                       "mmc",
262                                       "output",
263                                       "sample";
264                         resets = <&ccu RST_BUS_MMC2>;
265                         reset-names = "ahb";
266                         interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
267                         status = "disabled";
268                         #address-cells = <1>;
269                         #size-cells = <0>;
270                 };
271
272                 usb_otg: usb@1c19000 {
273                         /* compatible gets set in SoC specific dtsi file */
274                         reg = <0x01c19000 0x0400>;
275                         clocks = <&ccu CLK_BUS_OTG>;
276                         resets = <&ccu RST_BUS_OTG>;
277                         interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
278                         interrupt-names = "mc";
279                         phys = <&usbphy 0>;
280                         phy-names = "usb";
281                         extcon = <&usbphy 0>;
282                         dr_mode = "otg";
283                         status = "disabled";
284                 };
285
286                 usbphy: phy@1c19400 {
287                         /*
288                          * compatible and address regions get set in
289                          * SoC specific dtsi file
290                          */
291                         clocks = <&ccu CLK_USB_PHY0>,
292                                  <&ccu CLK_USB_PHY1>;
293                         clock-names = "usb0_phy",
294                                       "usb1_phy";
295                         resets = <&ccu RST_USB_PHY0>,
296                                  <&ccu RST_USB_PHY1>;
297                         reset-names = "usb0_reset",
298                                       "usb1_reset";
299                         status = "disabled";
300                         #phy-cells = <1>;
301                 };
302
303                 ehci0: usb@1c1a000 {
304                         compatible = "allwinner,sun8i-a23-ehci", "generic-ehci";
305                         reg = <0x01c1a000 0x100>;
306                         interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
307                         clocks = <&ccu CLK_BUS_EHCI>;
308                         resets = <&ccu RST_BUS_EHCI>;
309                         phys = <&usbphy 1>;
310                         phy-names = "usb";
311                         status = "disabled";
312                 };
313
314                 ohci0: usb@1c1a400 {
315                         compatible = "allwinner,sun8i-a23-ohci", "generic-ohci";
316                         reg = <0x01c1a400 0x100>;
317                         interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
318                         clocks = <&ccu CLK_BUS_OHCI>, <&ccu CLK_USB_OHCI>;
319                         resets = <&ccu RST_BUS_OHCI>;
320                         phys = <&usbphy 1>;
321                         phy-names = "usb";
322                         status = "disabled";
323                 };
324
325                 ccu: clock@1c20000 {
326                         reg = <0x01c20000 0x400>;
327                         clocks = <&osc24M>, <&rtc 0>;
328                         clock-names = "hosc", "losc";
329                         #clock-cells = <1>;
330                         #reset-cells = <1>;
331                 };
332
333                 pio: pinctrl@1c20800 {
334                         /* compatible gets set in SoC specific dtsi file */
335                         reg = <0x01c20800 0x400>;
336                         /* interrupts get set in SoC specific dtsi file */
337                         clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&rtc 0>;
338                         clock-names = "apb", "hosc", "losc";
339                         gpio-controller;
340                         interrupt-controller;
341                         #interrupt-cells = <3>;
342                         #gpio-cells = <3>;
343
344                         i2c0_pins: i2c0-pins {
345                                 pins = "PH2", "PH3";
346                                 function = "i2c0";
347                         };
348
349                         i2c1_pins: i2c1-pins {
350                                 pins = "PH4", "PH5";
351                                 function = "i2c1";
352                         };
353
354                         i2c2_pins: i2c2-pins {
355                                 pins = "PE12", "PE13";
356                                 function = "i2c2";
357                         };
358
359                         lcd_rgb666_pins: lcd-rgb666-pins {
360                                 pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
361                                        "PD10", "PD11", "PD12", "PD13", "PD14", "PD15",
362                                        "PD18", "PD19", "PD20", "PD21", "PD22", "PD23",
363                                        "PD24", "PD25", "PD26", "PD27";
364                                 function = "lcd0";
365                         };
366
367                         mmc0_pins: mmc0-pins {
368                                 pins = "PF0", "PF1", "PF2",
369                                        "PF3", "PF4", "PF5";
370                                 function = "mmc0";
371                                 drive-strength = <30>;
372                                 bias-pull-up;
373                         };
374
375                         mmc1_pg_pins: mmc1-pg-pins {
376                                 pins = "PG0", "PG1", "PG2",
377                                        "PG3", "PG4", "PG5";
378                                 function = "mmc1";
379                                 drive-strength = <30>;
380                                 bias-pull-up;
381                         };
382
383                         mmc2_8bit_pins: mmc2-8bit-pins {
384                                 pins = "PC5", "PC6", "PC8",
385                                        "PC9", "PC10", "PC11",
386                                        "PC12", "PC13", "PC14",
387                                        "PC15", "PC16";
388                                 function = "mmc2";
389                                 drive-strength = <30>;
390                                 bias-pull-up;
391                         };
392
393                         nand_pins: nand-pins {
394                                 pins = "PC0", "PC1", "PC2", "PC5",
395                                        "PC8", "PC9", "PC10", "PC11",
396                                        "PC12", "PC13", "PC14", "PC15";
397                                 function = "nand0";
398                         };
399
400                         nand_cs0_pin: nand-cs0-pin {
401                                 pins = "PC4";
402                                 function = "nand0";
403                                 bias-pull-up;
404                         };
405
406                         nand_cs1_pin: nand-cs1-pin {
407                                 pins = "PC3";
408                                 function = "nand0";
409                                 bias-pull-up;
410                         };
411
412                         nand_rb0_pin: nand-rb0-pin {
413                                 pins = "PC6";
414                                 function = "nand0";
415                                 bias-pull-up;
416                         };
417
418                         nand_rb1_pin: nand-rb1-pin {
419                                 pins = "PC7";
420                                 function = "nand0";
421                                 bias-pull-up;
422                         };
423
424                         pwm0_pin: pwm0-pin {
425                                 pins = "PH0";
426                                 function = "pwm0";
427                         };
428
429                         uart0_pf_pins: uart0-pf-pins {
430                                 pins = "PF2", "PF4";
431                                 function = "uart0";
432                         };
433
434                         uart1_pg_pins: uart1-pg-pins {
435                                 pins = "PG6", "PG7";
436                                 function = "uart1";
437                         };
438
439                         uart1_cts_rts_pg_pins: uart1-cts-rts-pg-pins {
440                                 pins = "PG8", "PG9";
441                                 function = "uart1";
442                         };
443                 };
444
445                 timer@1c20c00 {
446                         compatible = "allwinner,sun4i-a10-timer";
447                         reg = <0x01c20c00 0xa0>;
448                         interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
449                                      <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
450                         clocks = <&osc24M>;
451                 };
452
453                 wdt0: watchdog@1c20ca0 {
454                         compatible = "allwinner,sun6i-a31-wdt";
455                         reg = <0x01c20ca0 0x20>;
456                         interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
457                 };
458
459                 pwm: pwm@1c21400 {
460                         compatible = "allwinner,sun7i-a20-pwm";
461                         reg = <0x01c21400 0xc>;
462                         clocks = <&osc24M>;
463                         #pwm-cells = <3>;
464                         status = "disabled";
465                 };
466
467                 lradc: lradc@1c22800 {
468                         compatible = "allwinner,sun4i-a10-lradc-keys";
469                         reg = <0x01c22800 0x100>;
470                         interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
471                         status = "disabled";
472                 };
473
474                 uart0: serial@1c28000 {
475                         compatible = "snps,dw-apb-uart";
476                         reg = <0x01c28000 0x400>;
477                         interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
478                         reg-shift = <2>;
479                         reg-io-width = <4>;
480                         clocks = <&ccu CLK_BUS_UART0>;
481                         resets = <&ccu RST_BUS_UART0>;
482                         dmas = <&dma 6>, <&dma 6>;
483                         dma-names = "rx", "tx";
484                         status = "disabled";
485                 };
486
487                 uart1: serial@1c28400 {
488                         compatible = "snps,dw-apb-uart";
489                         reg = <0x01c28400 0x400>;
490                         interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
491                         reg-shift = <2>;
492                         reg-io-width = <4>;
493                         clocks = <&ccu CLK_BUS_UART1>;
494                         resets = <&ccu RST_BUS_UART1>;
495                         dmas = <&dma 7>, <&dma 7>;
496                         dma-names = "rx", "tx";
497                         status = "disabled";
498                 };
499
500                 uart2: serial@1c28800 {
501                         compatible = "snps,dw-apb-uart";
502                         reg = <0x01c28800 0x400>;
503                         interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
504                         reg-shift = <2>;
505                         reg-io-width = <4>;
506                         clocks = <&ccu CLK_BUS_UART2>;
507                         resets = <&ccu RST_BUS_UART2>;
508                         dmas = <&dma 8>, <&dma 8>;
509                         dma-names = "rx", "tx";
510                         status = "disabled";
511                 };
512
513                 uart3: serial@1c28c00 {
514                         compatible = "snps,dw-apb-uart";
515                         reg = <0x01c28c00 0x400>;
516                         interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
517                         reg-shift = <2>;
518                         reg-io-width = <4>;
519                         clocks = <&ccu CLK_BUS_UART3>;
520                         resets = <&ccu RST_BUS_UART3>;
521                         dmas = <&dma 9>, <&dma 9>;
522                         dma-names = "rx", "tx";
523                         status = "disabled";
524                 };
525
526                 uart4: serial@1c29000 {
527                         compatible = "snps,dw-apb-uart";
528                         reg = <0x01c29000 0x400>;
529                         interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
530                         reg-shift = <2>;
531                         reg-io-width = <4>;
532                         clocks = <&ccu CLK_BUS_UART4>;
533                         resets = <&ccu RST_BUS_UART4>;
534                         dmas = <&dma 10>, <&dma 10>;
535                         dma-names = "rx", "tx";
536                         status = "disabled";
537                 };
538
539                 i2c0: i2c@1c2ac00 {
540                         compatible = "allwinner,sun6i-a31-i2c";
541                         reg = <0x01c2ac00 0x400>;
542                         interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
543                         clocks = <&ccu CLK_BUS_I2C0>;
544                         resets = <&ccu RST_BUS_I2C0>;
545                         pinctrl-names = "default";
546                         pinctrl-0 = <&i2c0_pins>;
547                         status = "disabled";
548                         #address-cells = <1>;
549                         #size-cells = <0>;
550                 };
551
552                 i2c1: i2c@1c2b000 {
553                         compatible = "allwinner,sun6i-a31-i2c";
554                         reg = <0x01c2b000 0x400>;
555                         interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
556                         clocks = <&ccu CLK_BUS_I2C1>;
557                         resets = <&ccu RST_BUS_I2C1>;
558                         pinctrl-names = "default";
559                         pinctrl-0 = <&i2c1_pins>;
560                         status = "disabled";
561                         #address-cells = <1>;
562                         #size-cells = <0>;
563                 };
564
565                 i2c2: i2c@1c2b400 {
566                         compatible = "allwinner,sun6i-a31-i2c";
567                         reg = <0x01c2b400 0x400>;
568                         interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
569                         clocks = <&ccu CLK_BUS_I2C2>;
570                         resets = <&ccu RST_BUS_I2C2>;
571                         pinctrl-names = "default";
572                         pinctrl-0 = <&i2c2_pins>;
573                         status = "disabled";
574                         #address-cells = <1>;
575                         #size-cells = <0>;
576                 };
577
578                 mali: gpu@1c40000 {
579                         compatible = "allwinner,sun8i-a23-mali",
580                                      "allwinner,sun7i-a20-mali", "arm,mali-400";
581                         reg = <0x01c40000 0x10000>;
582                         interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
583                                      <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
584                                      <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
585                                      <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
586                                      <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
587                                      <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
588                                      <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
589                         interrupt-names = "gp",
590                                           "gpmmu",
591                                           "pp0",
592                                           "ppmmu0",
593                                           "pp1",
594                                           "ppmmu1",
595                                           "pmu";
596                         clocks = <&ccu CLK_BUS_GPU>, <&ccu CLK_GPU>;
597                         clock-names = "bus", "core";
598                         resets = <&ccu RST_BUS_GPU>;
599                         #cooling-cells = <2>;
600
601                         assigned-clocks = <&ccu CLK_GPU>;
602                         assigned-clock-rates = <384000000>;
603                 };
604
605                 gic: interrupt-controller@1c81000 {
606                         compatible = "arm,gic-400";
607                         reg = <0x01c81000 0x1000>,
608                               <0x01c82000 0x2000>,
609                               <0x01c84000 0x2000>,
610                               <0x01c86000 0x2000>;
611                         interrupt-controller;
612                         #interrupt-cells = <3>;
613                         interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
614                 };
615
616                 fe0: display-frontend@1e00000 {
617                         /* compatible gets set in SoC specific dtsi file */
618                         reg = <0x01e00000 0x20000>;
619                         interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>;
620                         clocks = <&ccu CLK_BUS_DE_FE>, <&ccu CLK_DE_FE>,
621                                  <&ccu CLK_DRAM_DE_FE>;
622                         clock-names = "ahb", "mod",
623                                       "ram";
624                         resets = <&ccu RST_BUS_DE_FE>;
625
626                         ports {
627                                 #address-cells = <1>;
628                                 #size-cells = <0>;
629
630                                 fe0_out: port@1 {
631                                         reg = <1>;
632
633                                         fe0_out_be0: endpoint {
634                                                 remote-endpoint = <&be0_in_fe0>;
635                                         };
636                                 };
637                         };
638                 };
639
640                 be0: display-backend@1e60000 {
641                         /* compatible gets set in SoC specific dtsi file */
642                         reg = <0x01e60000 0x10000>;
643                         interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
644                         clocks = <&ccu CLK_BUS_DE_BE>, <&ccu CLK_DE_BE>,
645                                  <&ccu CLK_DRAM_DE_BE>;
646                         clock-names = "ahb", "mod",
647                                       "ram";
648                         resets = <&ccu RST_BUS_DE_BE>;
649
650                         ports {
651                                 #address-cells = <1>;
652                                 #size-cells = <0>;
653
654                                 be0_in: port@0 {
655                                         reg = <0>;
656
657                                         be0_in_fe0: endpoint {
658                                                 remote-endpoint = <&fe0_out_be0>;
659                                         };
660                                 };
661
662                                 be0_out: port@1 {
663                                         reg = <1>;
664
665                                         be0_out_drc0: endpoint {
666                                                 remote-endpoint = <&drc0_in_be0>;
667                                         };
668                                 };
669                         };
670                 };
671
672                 drc0: drc@1e70000 {
673                         /* compatible gets set in SoC specific dtsi file */
674                         reg = <0x01e70000 0x10000>;
675                         interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
676                         clocks = <&ccu CLK_BUS_DRC>, <&ccu CLK_DRC>,
677                                  <&ccu CLK_DRAM_DRC>;
678                         clock-names = "ahb", "mod", "ram";
679                         resets = <&ccu RST_BUS_DRC>;
680
681                         assigned-clocks = <&ccu CLK_DRC>;
682                         assigned-clock-rates = <300000000>;
683
684                         ports {
685                                 #address-cells = <1>;
686                                 #size-cells = <0>;
687
688                                 drc0_in: port@0 {
689                                         reg = <0>;
690
691                                         drc0_in_be0: endpoint {
692                                                 remote-endpoint = <&be0_out_drc0>;
693                                         };
694                                 };
695
696                                 drc0_out: port@1 {
697                                         reg = <1>;
698
699                                         drc0_out_tcon0: endpoint {
700                                                 remote-endpoint = <&tcon0_in_drc0>;
701                                         };
702                                 };
703                         };
704                 };
705
706                 rtc: rtc@1f00000 {
707                         compatible = "allwinner,sun8i-a23-rtc";
708                         reg = <0x01f00000 0x400>;
709                         interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
710                                      <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
711                         clock-output-names = "osc32k", "osc32k-out";
712                         clocks = <&ext_osc32k>;
713                         #clock-cells = <1>;
714                 };
715
716                 nmi_intc: interrupt-controller@1f00c00 {
717                         compatible = "allwinner,sun6i-a31-r-intc";
718                         interrupt-controller;
719                         #interrupt-cells = <2>;
720                         reg = <0x01f00c00 0x400>;
721                         interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
722                 };
723
724                 prcm@1f01400 {
725                         compatible = "allwinner,sun8i-a23-prcm";
726                         reg = <0x01f01400 0x200>;
727
728                         ar100: ar100_clk {
729                                 compatible = "fixed-factor-clock";
730                                 #clock-cells = <0>;
731                                 clock-div = <1>;
732                                 clock-mult = <1>;
733                                 clocks = <&osc24M>;
734                                 clock-output-names = "ar100";
735                         };
736
737                         ahb0: ahb0_clk {
738                                 compatible = "fixed-factor-clock";
739                                 #clock-cells = <0>;
740                                 clock-div = <1>;
741                                 clock-mult = <1>;
742                                 clocks = <&ar100>;
743                                 clock-output-names = "ahb0";
744                         };
745
746                         apb0: apb0_clk {
747                                 compatible = "allwinner,sun8i-a23-apb0-clk";
748                                 #clock-cells = <0>;
749                                 clocks = <&ahb0>;
750                                 clock-output-names = "apb0";
751                         };
752
753                         apb0_gates: apb0_gates_clk {
754                                 compatible = "allwinner,sun8i-a23-apb0-gates-clk";
755                                 #clock-cells = <1>;
756                                 clocks = <&apb0>;
757                                 clock-output-names = "apb0_pio", "apb0_timer",
758                                                 "apb0_rsb", "apb0_uart",
759                                                 "apb0_i2c";
760                         };
761
762                         apb0_rst: apb0_rst {
763                                 compatible = "allwinner,sun6i-a31-clock-reset";
764                                 #reset-cells = <1>;
765                         };
766
767                         codec_analog: codec-analog {
768                                 compatible = "allwinner,sun8i-a23-codec-analog";
769                         };
770                 };
771
772                 cpucfg@1f01c00 {
773                         compatible = "allwinner,sun8i-a23-cpuconfig";
774                         reg = <0x01f01c00 0x300>;
775                 };
776
777                 r_uart: serial@1f02800 {
778                         compatible = "snps,dw-apb-uart";
779                         reg = <0x01f02800 0x400>;
780                         interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
781                         reg-shift = <2>;
782                         reg-io-width = <4>;
783                         clocks = <&apb0_gates 4>;
784                         resets = <&apb0_rst 4>;
785                         status = "disabled";
786                 };
787
788                 r_i2c: i2c@1f02400 {
789                         compatible = "allwinner,sun8i-a23-i2c",
790                                      "allwinner,sun6i-a31-i2c";
791                         reg = <0x01f02400 0x400>;
792                         interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
793                         pinctrl-names = "default";
794                         pinctrl-0 = <&r_i2c_pins>;
795                         clocks = <&apb0_gates 6>;
796                         resets = <&apb0_rst 6>;
797                         status = "disabled";
798                         #address-cells = <1>;
799                         #size-cells = <0>;
800                 };
801
802                 r_pio: pinctrl@1f02c00 {
803                         compatible = "allwinner,sun8i-a23-r-pinctrl";
804                         reg = <0x01f02c00 0x400>;
805                         interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
806                         clocks = <&apb0_gates 0>, <&osc24M>, <&rtc 0>;
807                         clock-names = "apb", "hosc", "losc";
808                         resets = <&apb0_rst 0>;
809                         gpio-controller;
810                         interrupt-controller;
811                         #interrupt-cells = <3>;
812                         #gpio-cells = <3>;
813
814                         r_i2c_pins: r-i2c-pins {
815                                 pins = "PL0", "PL1";
816                                 function = "s_i2c";
817                                 bias-pull-up;
818                         };
819
820                         r_rsb_pins: r-rsb-pins {
821                                 pins = "PL0", "PL1";
822                                 function = "s_rsb";
823                                 drive-strength = <20>;
824                                 bias-pull-up;
825                         };
826
827                         r_uart_pins_a: r-uart-pins {
828                                 pins = "PL2", "PL3";
829                                 function = "s_uart";
830                         };
831                 };
832
833                 r_rsb: rsb@1f03400 {
834                         compatible = "allwinner,sun8i-a23-rsb";
835                         reg = <0x01f03400 0x400>;
836                         interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
837                         clocks = <&apb0_gates 3>;
838                         clock-frequency = <3000000>;
839                         resets = <&apb0_rst 3>;
840                         pinctrl-names = "default";
841                         pinctrl-0 = <&r_rsb_pins>;
842                         status = "disabled";
843                         #address-cells = <1>;
844                         #size-cells = <0>;
845                 };
846         };
847 };