Merge tag 'remoteproc-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad...
[sfrench/cifs-2.6.git] / arch / arm / boot / dts / at91sam9g45.dtsi
1 /*
2  * at91sam9g45.dtsi - Device Tree Include file for AT91SAM9G45 family SoC
3  *                    applies to AT91SAM9G45, AT91SAM9M10,
4  *                    AT91SAM9G46, AT91SAM9M11 SoC
5  *
6  *  Copyright (C) 2011 Atmel,
7  *                2011 Nicolas Ferre <nicolas.ferre@atmel.com>
8  *
9  * Licensed under GPLv2 or later.
10  */
11
12 /include/ "skeleton.dtsi"
13
14 / {
15         model = "Atmel AT91SAM9G45 family SoC";
16         compatible = "atmel,at91sam9g45";
17         interrupt-parent = <&aic>;
18
19         aliases {
20                 serial0 = &dbgu;
21                 serial1 = &usart0;
22                 serial2 = &usart1;
23                 serial3 = &usart2;
24                 serial4 = &usart3;
25                 gpio0 = &pioA;
26                 gpio1 = &pioB;
27                 gpio2 = &pioC;
28                 gpio3 = &pioD;
29                 gpio4 = &pioE;
30                 tcb0 = &tcb0;
31                 tcb1 = &tcb1;
32                 i2c0 = &i2c0;
33                 i2c1 = &i2c1;
34                 ssc0 = &ssc0;
35                 ssc1 = &ssc1;
36         };
37         cpus {
38                 cpu@0 {
39                         compatible = "arm,arm926ejs";
40                 };
41         };
42
43         memory {
44                 reg = <0x70000000 0x10000000>;
45         };
46
47         ahb {
48                 compatible = "simple-bus";
49                 #address-cells = <1>;
50                 #size-cells = <1>;
51                 ranges;
52
53                 apb {
54                         compatible = "simple-bus";
55                         #address-cells = <1>;
56                         #size-cells = <1>;
57                         ranges;
58
59                         aic: interrupt-controller@fffff000 {
60                                 #interrupt-cells = <3>;
61                                 compatible = "atmel,at91rm9200-aic";
62                                 interrupt-controller;
63                                 reg = <0xfffff000 0x200>;
64                                 atmel,external-irqs = <31>;
65                         };
66
67                         ramc0: ramc@ffffe400 {
68                                 compatible = "atmel,at91sam9g45-ddramc";
69                                 reg = <0xffffe400 0x200
70                                        0xffffe600 0x200>;
71                         };
72
73                         pmc: pmc@fffffc00 {
74                                 compatible = "atmel,at91rm9200-pmc";
75                                 reg = <0xfffffc00 0x100>;
76                         };
77
78                         rstc@fffffd00 {
79                                 compatible = "atmel,at91sam9g45-rstc";
80                                 reg = <0xfffffd00 0x10>;
81                         };
82
83                         pit: timer@fffffd30 {
84                                 compatible = "atmel,at91sam9260-pit";
85                                 reg = <0xfffffd30 0xf>;
86                                 interrupts = <1 4 7>;
87                         };
88
89
90                         shdwc@fffffd10 {
91                                 compatible = "atmel,at91sam9rl-shdwc";
92                                 reg = <0xfffffd10 0x10>;
93                         };
94
95                         tcb0: timer@fff7c000 {
96                                 compatible = "atmel,at91rm9200-tcb";
97                                 reg = <0xfff7c000 0x100>;
98                                 interrupts = <18 4 0>;
99                         };
100
101                         tcb1: timer@fffd4000 {
102                                 compatible = "atmel,at91rm9200-tcb";
103                                 reg = <0xfffd4000 0x100>;
104                                 interrupts = <18 4 0>;
105                         };
106
107                         dma: dma-controller@ffffec00 {
108                                 compatible = "atmel,at91sam9g45-dma";
109                                 reg = <0xffffec00 0x200>;
110                                 interrupts = <21 4 0>;
111                                 #dma-cells = <2>;
112                         };
113
114                         pinctrl@fffff200 {
115                                 #address-cells = <1>;
116                                 #size-cells = <1>;
117                                 compatible = "atmel,at91rm9200-pinctrl", "simple-bus";
118                                 ranges = <0xfffff200 0xfffff200 0xa00>;
119
120                                 atmel,mux-mask = <
121                                       /*    A         B     */
122                                        0xffffffff 0xffc003ff  /* pioA */
123                                        0xffffffff 0x800f8f00  /* pioB */
124                                        0xffffffff 0x00000e00  /* pioC */
125                                        0xffffffff 0xff0c1381  /* pioD */
126                                        0xffffffff 0x81ffff81  /* pioE */
127                                       >;
128
129                                 /* shared pinctrl settings */
130                                 dbgu {
131                                         pinctrl_dbgu: dbgu-0 {
132                                                 atmel,pins =
133                                                         <1 12 0x1 0x0   /* PB12 periph A */
134                                                          1 13 0x1 0x0>; /* PB13 periph A */
135                                         };
136                                 };
137
138                                 usart0 {
139                                         pinctrl_usart0: usart0-0 {
140                                                 atmel,pins =
141                                                         <1 19 0x1 0x1   /* PB19 periph A with pullup */
142                                                          1 18 0x1 0x0>; /* PB18 periph A */
143                                         };
144
145                                         pinctrl_usart0_rts: usart0_rts-0 {
146                                                 atmel,pins =
147                                                         <1 17 0x2 0x0>; /* PB17 periph B */
148                                         };
149
150                                         pinctrl_usart0_cts: usart0_cts-0 {
151                                                 atmel,pins =
152                                                         <1 15 0x2 0x0>; /* PB15 periph B */
153                                         };
154                                 };
155
156                                 uart1 {
157                                         pinctrl_usart1: usart1-0 {
158                                                 atmel,pins =
159                                                         <1 4 0x1 0x1    /* PB4 periph A with pullup */
160                                                          1 5 0x1 0x0>;  /* PB5 periph A */
161                                         };
162
163                                         pinctrl_usart1_rts: usart1_rts-0 {
164                                                 atmel,pins =
165                                                         <3 16 0x1 0x0>; /* PD16 periph A */
166                                         };
167
168                                         pinctrl_usart1_cts: usart1_cts-0 {
169                                                 atmel,pins =
170                                                         <3 17 0x1 0x0>; /* PD17 periph A */
171                                         };
172                                 };
173
174                                 usart2 {
175                                         pinctrl_usart2: usart2-0 {
176                                                 atmel,pins =
177                                                         <1 6 0x1 0x1    /* PB6 periph A with pullup */
178                                                          1 7 0x1 0x0>;  /* PB7 periph A */
179                                         };
180
181                                         pinctrl_usart2_rts: usart2_rts-0 {
182                                                 atmel,pins =
183                                                         <2 9 0x2 0x0>;  /* PC9 periph B */
184                                         };
185
186                                         pinctrl_usart2_cts: usart2_cts-0 {
187                                                 atmel,pins =
188                                                         <2 11 0x2 0x0>; /* PC11 periph B */
189                                         };
190                                 };
191
192                                 usart3 {
193                                         pinctrl_usart3: usart3-0 {
194                                                 atmel,pins =
195                                                         <1 8 0x1 0x1    /* PB9 periph A with pullup */
196                                                          1 9 0x1 0x0>;  /* PB8 periph A */
197                                         };
198
199                                         pinctrl_usart3_rts: usart3_rts-0 {
200                                                 atmel,pins =
201                                                         <0 23 0x2 0x0>; /* PA23 periph B */
202                                         };
203
204                                         pinctrl_usart3_cts: usart3_cts-0 {
205                                                 atmel,pins =
206                                                         <0 24 0x2 0x0>; /* PA24 periph B */
207                                         };
208                                 };
209
210                                 nand {
211                                         pinctrl_nand: nand-0 {
212                                                 atmel,pins =
213                                                         <2 8 0x0 0x1    /* PC8 gpio RDY pin pull_up*/
214                                                          2 14 0x0 0x1>; /* PC14 gpio enable pin pull_up */
215                                         };
216                                 };
217
218                                 macb {
219                                         pinctrl_macb_rmii: macb_rmii-0 {
220                                                 atmel,pins =
221                                                         <0 10 0x1 0x0   /* PA10 periph A */
222                                                          0 11 0x1 0x0   /* PA11 periph A */
223                                                          0 12 0x1 0x0   /* PA12 periph A */
224                                                          0 13 0x1 0x0   /* PA13 periph A */
225                                                          0 14 0x1 0x0   /* PA14 periph A */
226                                                          0 15 0x1 0x0   /* PA15 periph A */
227                                                          0 16 0x1 0x0   /* PA16 periph A */
228                                                          0 17 0x1 0x0   /* PA17 periph A */
229                                                          0 18 0x1 0x0   /* PA18 periph A */
230                                                          0 19 0x1 0x0>; /* PA19 periph A */
231                                         };
232
233                                         pinctrl_macb_rmii_mii: macb_rmii_mii-0 {
234                                                 atmel,pins =
235                                                         <0 6 0x2 0x0    /* PA6 periph B */
236                                                          0 7 0x2 0x0    /* PA7 periph B */
237                                                          0 8 0x2 0x0    /* PA8 periph B */
238                                                          0 9 0x2 0x0    /* PA9 periph B */
239                                                          0 27 0x2 0x0   /* PA27 periph B */
240                                                          0 28 0x2 0x0   /* PA28 periph B */
241                                                          0 29 0x2 0x0   /* PA29 periph B */
242                                                          0 30 0x2 0x0>; /* PA30 periph B */
243                                         };
244                                 };
245
246                                 mmc0 {
247                                         pinctrl_mmc0_slot0_clk_cmd_dat0: mmc0_slot0_clk_cmd_dat0-0 {
248                                                 atmel,pins =
249                                                         <0 0 0x1 0x0    /* PA0 periph A */
250                                                          0 1 0x1 0x1    /* PA1 periph A with pullup */
251                                                          0 2 0x1 0x1>;  /* PA2 periph A with pullup */
252                                         };
253
254                                         pinctrl_mmc0_slot0_dat1_3: mmc0_slot0_dat1_3-0 {
255                                                 atmel,pins =
256                                                         <0 3 0x1 0x1    /* PA3 periph A with pullup */
257                                                          0 4 0x1 0x1    /* PA4 periph A with pullup */
258                                                          0 5 0x1 0x1>;  /* PA5 periph A with pullup */
259                                         };
260
261                                         pinctrl_mmc0_slot0_dat4_7: mmc0_slot0_dat4_7-0 {
262                                                 atmel,pins =
263                                                         <0 6 0x1 0x1    /* PA6 periph A with pullup */
264                                                          0 7 0x1 0x1    /* PA7 periph A with pullup */
265                                                          0 8 0x1 0x1    /* PA8 periph A with pullup */
266                                                          0 9 0x1 0x1>;  /* PA9 periph A with pullup */
267                                         };
268                                 };
269
270                                 mmc1 {
271                                         pinctrl_mmc1_slot0_clk_cmd_dat0: mmc1_slot0_clk_cmd_dat0-0 {
272                                                 atmel,pins =
273                                                         <0 31 0x1 0x0   /* PA31 periph A */
274                                                          0 22 0x1 0x1   /* PA22 periph A with pullup */
275                                                          0 23 0x1 0x1>; /* PA23 periph A with pullup */
276                                         };
277
278                                         pinctrl_mmc1_slot0_dat1_3: mmc1_slot0_dat1_3-0 {
279                                                 atmel,pins =
280                                                         <0 24 0x1 0x1   /* PA24 periph A with pullup */
281                                                          0 25 0x1 0x1   /* PA25 periph A with pullup */
282                                                          0 26 0x1 0x1>; /* PA26 periph A with pullup */
283                                         };
284
285                                         pinctrl_mmc1_slot0_dat4_7: mmc1_slot0_dat4_7-0 {
286                                                 atmel,pins =
287                                                         <0 27 0x1 0x1   /* PA27 periph A with pullup */
288                                                          0 28 0x1 0x1   /* PA28 periph A with pullup */
289                                                          0 29 0x1 0x1   /* PA29 periph A with pullup */
290                                                          0 20 0x1 0x1>; /* PA30 periph A with pullup */
291                                         };
292                                 };
293
294                                 ssc0 {
295                                         pinctrl_ssc0_tx: ssc0_tx-0 {
296                                                 atmel,pins =
297                                                         <3 0 0x1 0x0    /* PD0 periph A */
298                                                          3 1 0x1 0x0    /* PD1 periph A */
299                                                          3 2 0x1 0x0>;  /* PD2 periph A */
300                                         };
301
302                                         pinctrl_ssc0_rx: ssc0_rx-0 {
303                                                 atmel,pins =
304                                                         <3 3 0x1 0x0    /* PD3 periph A */
305                                                          3 4 0x1 0x0    /* PD4 periph A */
306                                                          3 5 0x1 0x0>;  /* PD5 periph A */
307                                         };
308                                 };
309
310                                 ssc1 {
311                                         pinctrl_ssc1_tx: ssc1_tx-0 {
312                                                 atmel,pins =
313                                                         <3 10 0x1 0x0   /* PD10 periph A */
314                                                          3 11 0x1 0x0   /* PD11 periph A */
315                                                          3 12 0x1 0x0>; /* PD12 periph A */
316                                         };
317
318                                         pinctrl_ssc1_rx: ssc1_rx-0 {
319                                                 atmel,pins =
320                                                         <3 13 0x1 0x0   /* PD13 periph A */
321                                                          3 14 0x1 0x0   /* PD14 periph A */
322                                                          3 15 0x1 0x0>; /* PD15 periph A */
323                                         };
324                                 };
325
326                                 spi0 {
327                                         pinctrl_spi0: spi0-0 {
328                                                 atmel,pins =
329                                                         <1 0 0x1 0x0    /* PB0 periph A SPI0_MISO pin */
330                                                          1 1 0x1 0x0    /* PB1 periph A SPI0_MOSI pin */
331                                                          1 2 0x1 0x0>;  /* PB2 periph A SPI0_SPCK pin */
332                                         };
333                                 };
334
335                                 spi1 {
336                                         pinctrl_spi1: spi1-0 {
337                                                 atmel,pins =
338                                                         <1 14 0x1 0x0   /* PB14 periph A SPI1_MISO pin */
339                                                          1 15 0x1 0x0   /* PB15 periph A SPI1_MOSI pin */
340                                                          1 16 0x1 0x0>; /* PB16 periph A SPI1_SPCK pin */
341                                         };
342                                 };
343
344                                 pioA: gpio@fffff200 {
345                                         compatible = "atmel,at91rm9200-gpio";
346                                         reg = <0xfffff200 0x200>;
347                                         interrupts = <2 4 1>;
348                                         #gpio-cells = <2>;
349                                         gpio-controller;
350                                         interrupt-controller;
351                                         #interrupt-cells = <2>;
352                                 };
353
354                                 pioB: gpio@fffff400 {
355                                         compatible = "atmel,at91rm9200-gpio";
356                                         reg = <0xfffff400 0x200>;
357                                         interrupts = <3 4 1>;
358                                         #gpio-cells = <2>;
359                                         gpio-controller;
360                                         interrupt-controller;
361                                         #interrupt-cells = <2>;
362                                 };
363
364                                 pioC: gpio@fffff600 {
365                                         compatible = "atmel,at91rm9200-gpio";
366                                         reg = <0xfffff600 0x200>;
367                                         interrupts = <4 4 1>;
368                                         #gpio-cells = <2>;
369                                         gpio-controller;
370                                         interrupt-controller;
371                                         #interrupt-cells = <2>;
372                                 };
373
374                                 pioD: gpio@fffff800 {
375                                         compatible = "atmel,at91rm9200-gpio";
376                                         reg = <0xfffff800 0x200>;
377                                         interrupts = <5 4 1>;
378                                         #gpio-cells = <2>;
379                                         gpio-controller;
380                                         interrupt-controller;
381                                         #interrupt-cells = <2>;
382                                 };
383
384                                 pioE: gpio@fffffa00 {
385                                         compatible = "atmel,at91rm9200-gpio";
386                                         reg = <0xfffffa00 0x200>;
387                                         interrupts = <5 4 1>;
388                                         #gpio-cells = <2>;
389                                         gpio-controller;
390                                         interrupt-controller;
391                                         #interrupt-cells = <2>;
392                                 };
393                         };
394
395                         dbgu: serial@ffffee00 {
396                                 compatible = "atmel,at91sam9260-usart";
397                                 reg = <0xffffee00 0x200>;
398                                 interrupts = <1 4 7>;
399                                 pinctrl-names = "default";
400                                 pinctrl-0 = <&pinctrl_dbgu>;
401                                 status = "disabled";
402                         };
403
404                         usart0: serial@fff8c000 {
405                                 compatible = "atmel,at91sam9260-usart";
406                                 reg = <0xfff8c000 0x200>;
407                                 interrupts = <7 4 5>;
408                                 atmel,use-dma-rx;
409                                 atmel,use-dma-tx;
410                                 pinctrl-names = "default";
411                                 pinctrl-0 = <&pinctrl_usart0>;
412                                 status = "disabled";
413                         };
414
415                         usart1: serial@fff90000 {
416                                 compatible = "atmel,at91sam9260-usart";
417                                 reg = <0xfff90000 0x200>;
418                                 interrupts = <8 4 5>;
419                                 atmel,use-dma-rx;
420                                 atmel,use-dma-tx;
421                                 pinctrl-names = "default";
422                                 pinctrl-0 = <&pinctrl_usart1>;
423                                 status = "disabled";
424                         };
425
426                         usart2: serial@fff94000 {
427                                 compatible = "atmel,at91sam9260-usart";
428                                 reg = <0xfff94000 0x200>;
429                                 interrupts = <9 4 5>;
430                                 atmel,use-dma-rx;
431                                 atmel,use-dma-tx;
432                                 pinctrl-names = "default";
433                                 pinctrl-0 = <&pinctrl_usart2>;
434                                 status = "disabled";
435                         };
436
437                         usart3: serial@fff98000 {
438                                 compatible = "atmel,at91sam9260-usart";
439                                 reg = <0xfff98000 0x200>;
440                                 interrupts = <10 4 5>;
441                                 atmel,use-dma-rx;
442                                 atmel,use-dma-tx;
443                                 pinctrl-names = "default";
444                                 pinctrl-0 = <&pinctrl_usart3>;
445                                 status = "disabled";
446                         };
447
448                         macb0: ethernet@fffbc000 {
449                                 compatible = "cdns,at32ap7000-macb", "cdns,macb";
450                                 reg = <0xfffbc000 0x100>;
451                                 interrupts = <25 4 3>;
452                                 pinctrl-names = "default";
453                                 pinctrl-0 = <&pinctrl_macb_rmii>;
454                                 status = "disabled";
455                         };
456
457                         i2c0: i2c@fff84000 {
458                                 compatible = "atmel,at91sam9g10-i2c";
459                                 reg = <0xfff84000 0x100>;
460                                 interrupts = <12 4 6>;
461                                 #address-cells = <1>;
462                                 #size-cells = <0>;
463                                 status = "disabled";
464                         };
465
466                         i2c1: i2c@fff88000 {
467                                 compatible = "atmel,at91sam9g10-i2c";
468                                 reg = <0xfff88000 0x100>;
469                                 interrupts = <13 4 6>;
470                                 #address-cells = <1>;
471                                 #size-cells = <0>;
472                                 status = "disabled";
473                         };
474
475                         ssc0: ssc@fff9c000 {
476                                 compatible = "atmel,at91sam9g45-ssc";
477                                 reg = <0xfff9c000 0x4000>;
478                                 interrupts = <16 4 5>;
479                                 pinctrl-names = "default";
480                                 pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
481                                 status = "disabled";
482                         };
483
484                         ssc1: ssc@fffa0000 {
485                                 compatible = "atmel,at91sam9g45-ssc";
486                                 reg = <0xfffa0000 0x4000>;
487                                 interrupts = <17 4 5>;
488                                 pinctrl-names = "default";
489                                 pinctrl-0 = <&pinctrl_ssc1_tx &pinctrl_ssc1_rx>;
490                                 status = "disabled";
491                         };
492
493                         adc0: adc@fffb0000 {
494                                 compatible = "atmel,at91sam9260-adc";
495                                 reg = <0xfffb0000 0x100>;
496                                 interrupts = <20 4 0>;
497                                 atmel,adc-use-external-triggers;
498                                 atmel,adc-channels-used = <0xff>;
499                                 atmel,adc-vref = <3300>;
500                                 atmel,adc-num-channels = <8>;
501                                 atmel,adc-startup-time = <40>;
502                                 atmel,adc-channel-base = <0x30>;
503                                 atmel,adc-drdy-mask = <0x10000>;
504                                 atmel,adc-status-register = <0x1c>;
505                                 atmel,adc-trigger-register = <0x08>;
506                                 atmel,adc-res = <8 10>;
507                                 atmel,adc-res-names = "lowres", "highres";
508                                 atmel,adc-use-res = "highres";
509
510                                 trigger@0 {
511                                         trigger-name = "external-rising";
512                                         trigger-value = <0x1>;
513                                         trigger-external;
514                                 };
515                                 trigger@1 {
516                                         trigger-name = "external-falling";
517                                         trigger-value = <0x2>;
518                                         trigger-external;
519                                 };
520
521                                 trigger@2 {
522                                         trigger-name = "external-any";
523                                         trigger-value = <0x3>;
524                                         trigger-external;
525                                 };
526
527                                 trigger@3 {
528                                         trigger-name = "continuous";
529                                         trigger-value = <0x6>;
530                                 };
531                         };
532
533                         mmc0: mmc@fff80000 {
534                                 compatible = "atmel,hsmci";
535                                 reg = <0xfff80000 0x600>;
536                                 interrupts = <11 4 0>;
537                                 dmas = <&dma 1 0>;
538                                 dma-names = "rxtx";
539                                 #address-cells = <1>;
540                                 #size-cells = <0>;
541                                 status = "disabled";
542                         };
543
544                         mmc1: mmc@fffd0000 {
545                                 compatible = "atmel,hsmci";
546                                 reg = <0xfffd0000 0x600>;
547                                 interrupts = <29 4 0>;
548                                 dmas = <&dma 1 13>;
549                                 dma-names = "rxtx";
550                                 #address-cells = <1>;
551                                 #size-cells = <0>;
552                                 status = "disabled";
553                         };
554
555                         watchdog@fffffd40 {
556                                 compatible = "atmel,at91sam9260-wdt";
557                                 reg = <0xfffffd40 0x10>;
558                                 status = "disabled";
559                         };
560
561                         spi0: spi@fffa4000 {
562                                 #address-cells = <1>;
563                                 #size-cells = <0>;
564                                 compatible = "atmel,at91rm9200-spi";
565                                 reg = <0xfffa4000 0x200>;
566                                 interrupts = <14 4 3>;
567                                 pinctrl-names = "default";
568                                 pinctrl-0 = <&pinctrl_spi0>;
569                                 status = "disabled";
570                         };
571
572                         spi1: spi@fffa8000 {
573                                 #address-cells = <1>;
574                                 #size-cells = <0>;
575                                 compatible = "atmel,at91rm9200-spi";
576                                 reg = <0xfffa8000 0x200>;
577                                 interrupts = <15 4 3>;
578                                 pinctrl-names = "default";
579                                 pinctrl-0 = <&pinctrl_spi1>;
580                                 status = "disabled";
581                         };
582                 };
583
584                 nand0: nand@40000000 {
585                         compatible = "atmel,at91rm9200-nand";
586                         #address-cells = <1>;
587                         #size-cells = <1>;
588                         reg = <0x40000000 0x10000000
589                                0xffffe200 0x200
590                               >;
591                         atmel,nand-addr-offset = <21>;
592                         atmel,nand-cmd-offset = <22>;
593                         pinctrl-names = "default";
594                         pinctrl-0 = <&pinctrl_nand>;
595                         gpios = <&pioC 8 0
596                                  &pioC 14 0
597                                  0
598                                 >;
599                         status = "disabled";
600                 };
601
602                 usb0: ohci@00700000 {
603                         compatible = "atmel,at91rm9200-ohci", "usb-ohci";
604                         reg = <0x00700000 0x100000>;
605                         interrupts = <22 4 2>;
606                         status = "disabled";
607                 };
608
609                 usb1: ehci@00800000 {
610                         compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
611                         reg = <0x00800000 0x100000>;
612                         interrupts = <22 4 2>;
613                         status = "disabled";
614                 };
615         };
616
617         i2c@0 {
618                 compatible = "i2c-gpio";
619                 gpios = <&pioA 20 0 /* sda */
620                          &pioA 21 0 /* scl */
621                         >;
622                 i2c-gpio,sda-open-drain;
623                 i2c-gpio,scl-open-drain;
624                 i2c-gpio,delay-us = <5>;        /* ~100 kHz */
625                 #address-cells = <1>;
626                 #size-cells = <0>;
627                 status = "disabled";
628         };
629 };