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TOMOYO Linux Cross Reference
Linux/arch/blackfin/mach-bf533/boards/stamp.c

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  1 /*
  2  * Copyright 2004-2009 Analog Devices Inc.
  3  *                2005 National ICT Australia (NICTA)
  4  *                      Aidan Williams <aidan@nicta.com.au>
  5  *
  6  * Licensed under the GPL-2 or later.
  7  */
  8 
  9 #include <linux/device.h>
 10 #include <linux/delay.h>
 11 #include <linux/platform_device.h>
 12 #include <linux/mtd/mtd.h>
 13 #include <linux/mtd/partitions.h>
 14 #include <linux/mtd/physmap.h>
 15 #include <linux/spi/spi.h>
 16 #include <linux/spi/flash.h>
 17 #include <linux/spi/mmc_spi.h>
 18 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
 19 #include <linux/usb/isp1362.h>
 20 #endif
 21 #include <linux/gpio.h>
 22 #include <linux/irq.h>
 23 #include <linux/i2c.h>
 24 #include <asm/dma.h>
 25 #include <asm/bfin5xx_spi.h>
 26 #include <asm/reboot.h>
 27 #include <asm/portmux.h>
 28 #include <asm/dpmc.h>
 29 
 30 /*
 31  * Name the Board for the /proc/cpuinfo
 32  */
 33 const char bfin_board_name[] = "ADI BF533-STAMP";
 34 
 35 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 36 static struct platform_device rtc_device = {
 37         .name = "rtc-bfin",
 38         .id   = -1,
 39 };
 40 #endif
 41 
 42 /*
 43  *  Driver needs to know address, irq and flag pin.
 44  */
 45 #if IS_ENABLED(CONFIG_SMC91X)
 46 #include <linux/smc91x.h>
 47 
 48 static struct smc91x_platdata smc91x_info = {
 49         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 50         .leda = RPC_LED_100_10,
 51         .ledb = RPC_LED_TX_RX,
 52 };
 53 
 54 static struct resource smc91x_resources[] = {
 55         {
 56                 .name = "smc91x-regs",
 57                 .start = 0x20300300,
 58                 .end = 0x20300300 + 16,
 59                 .flags = IORESOURCE_MEM,
 60         }, {
 61                 .start = IRQ_PF7,
 62                 .end = IRQ_PF7,
 63                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 64         },
 65 };
 66 
 67 static struct platform_device smc91x_device = {
 68         .name = "smc91x",
 69         .id = 0,
 70         .num_resources = ARRAY_SIZE(smc91x_resources),
 71         .resource = smc91x_resources,
 72         .dev    = {
 73                 .platform_data  = &smc91x_info,
 74         },
 75 };
 76 #endif
 77 
 78 #if IS_ENABLED(CONFIG_USB_NET2272)
 79 static struct resource net2272_bfin_resources[] = {
 80         {
 81                 .start = 0x20300000,
 82                 .end = 0x20300000 + 0x100,
 83                 .flags = IORESOURCE_MEM,
 84         }, {
 85                 .start = 1,
 86                 .flags = IORESOURCE_BUS,
 87         }, {
 88                 .start = IRQ_PF10,
 89                 .end = IRQ_PF10,
 90                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 91         },
 92 };
 93 
 94 static struct platform_device net2272_bfin_device = {
 95         .name = "net2272",
 96         .id = -1,
 97         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 98         .resource = net2272_bfin_resources,
 99 };
100 #endif
101 
102 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
103 static struct mtd_partition stamp_partitions[] = {
104         {
105                 .name   = "bootloader(nor)",
106                 .size   = 0x40000,
107                 .offset = 0,
108         }, {
109                 .name   = "linux kernel(nor)",
110                 .size   = 0x180000,
111                 .offset = MTDPART_OFS_APPEND,
112         }, {
113                 .name   = "file system(nor)",
114                 .size   = MTDPART_SIZ_FULL,
115                 .offset = MTDPART_OFS_APPEND,
116         }
117 };
118 
119 static struct physmap_flash_data stamp_flash_data = {
120         .width    = 2,
121         .parts    = stamp_partitions,
122         .nr_parts = ARRAY_SIZE(stamp_partitions),
123 };
124 
125 static struct resource stamp_flash_resource[] = {
126         {
127                 .name  = "cfi_probe",
128                 .start = 0x20000000,
129                 .end   = 0x203fffff,
130                 .flags = IORESOURCE_MEM,
131         }, {
132                 .start = 0x7BB07BB0,    /* AMBCTL0 setting when accessing flash */
133                 .end   = 0x7BB07BB0,    /* AMBCTL1 setting when accessing flash */
134                 .flags = IORESOURCE_MEM,
135         }, {
136                 .start = GPIO_PF0,
137                 .flags = IORESOURCE_IRQ,
138         }
139 };
140 
141 static struct platform_device stamp_flash_device = {
142         .name          = "bfin-async-flash",
143         .id            = 0,
144         .dev = {
145                 .platform_data = &stamp_flash_data,
146         },
147         .num_resources = ARRAY_SIZE(stamp_flash_resource),
148         .resource      = stamp_flash_resource,
149 };
150 #endif
151 
152 #if IS_ENABLED(CONFIG_MTD_M25P80)
153 static struct mtd_partition bfin_spi_flash_partitions[] = {
154         {
155                 .name = "bootloader(spi)",
156                 .size = 0x00040000,
157                 .offset = 0,
158                 .mask_flags = MTD_CAP_ROM
159         }, {
160                 .name = "linux kernel(spi)",
161                 .size = 0x180000,
162                 .offset = MTDPART_OFS_APPEND,
163         }, {
164                 .name = "file system(spi)",
165                 .size = MTDPART_SIZ_FULL,
166                 .offset = MTDPART_OFS_APPEND,
167         }
168 };
169 
170 static struct flash_platform_data bfin_spi_flash_data = {
171         .name = "m25p80",
172         .parts = bfin_spi_flash_partitions,
173         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
174         .type = "m25p64",
175 };
176 
177 /* SPI flash chip (m25p64) */
178 static struct bfin5xx_spi_chip spi_flash_chip_info = {
179         .enable_dma = 0,         /* use dma transfer with this chip*/
180 };
181 #endif
182 
183 #if IS_ENABLED(CONFIG_MMC_SPI)
184 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
185 static int bfin_mmc_spi_init(struct device *dev,
186         irqreturn_t (*detect_int)(int, void *), void *data)
187 {
188         return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
189                 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
190                 "mmc-spi-detect", data);
191 }
192 
193 static void bfin_mmc_spi_exit(struct device *dev, void *data)
194 {
195         free_irq(MMC_SPI_CARD_DETECT_INT, data);
196 }
197 
198 static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
199         .init = bfin_mmc_spi_init,
200         .exit = bfin_mmc_spi_exit,
201         .detect_delay = 100, /* msecs */
202 };
203 
204 static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
205         .enable_dma = 0,
206         .pio_interrupt = 0,
207 };
208 #endif
209 
210 static struct spi_board_info bfin_spi_board_info[] __initdata = {
211 #if IS_ENABLED(CONFIG_MTD_M25P80)
212         {
213                 /* the modalias must be the same as spi device driver name */
214                 .modalias = "m25p80", /* Name of spi_driver for this device */
215                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
216                 .bus_num = 0, /* Framework bus number */
217                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
218                 .platform_data = &bfin_spi_flash_data,
219                 .controller_data = &spi_flash_chip_info,
220                 .mode = SPI_MODE_3,
221         },
222 #endif
223 
224 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
225         {
226                 .modalias = "ad1836",
227                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
228                 .bus_num = 0,
229                 .chip_select = 4,
230                 .platform_data = "ad1836", /* only includes chip name for the moment */
231                 .mode = SPI_MODE_3,
232         },
233 #endif
234 
235 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
236         {
237                 .modalias = "spidev",
238                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
239                 .bus_num = 0,
240                 .chip_select = 1,
241         },
242 #endif
243 #if IS_ENABLED(CONFIG_MMC_SPI)
244         {
245                 .modalias = "mmc_spi",
246                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
247                 .bus_num = 0,
248                 .chip_select = 4,
249                 .platform_data = &bfin_mmc_spi_pdata,
250                 .controller_data = &mmc_spi_chip_info,
251                 .mode = SPI_MODE_3,
252         },
253 #endif
254 };
255 
256 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
257 /* SPI (0) */
258 static struct resource bfin_spi0_resource[] = {
259         [0] = {
260                 .start = SPI0_REGBASE,
261                 .end   = SPI0_REGBASE + 0xFF,
262                 .flags = IORESOURCE_MEM,
263         },
264         [1] = {
265                 .start = CH_SPI,
266                 .end   = CH_SPI,
267                 .flags = IORESOURCE_DMA,
268         },
269         [2] = {
270                 .start = IRQ_SPI,
271                 .end   = IRQ_SPI,
272                 .flags = IORESOURCE_IRQ,
273         }
274 };
275 
276 /* SPI controller data */
277 static struct bfin5xx_spi_master bfin_spi0_info = {
278         .num_chipselect = 8,
279         .enable_dma = 1,  /* master has the ability to do dma transfer */
280         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
281 };
282 
283 static struct platform_device bfin_spi0_device = {
284         .name = "bfin-spi",
285         .id = 0, /* Bus number */
286         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
287         .resource = bfin_spi0_resource,
288         .dev = {
289                 .platform_data = &bfin_spi0_info, /* Passed to driver */
290         },
291 };
292 #endif  /* spi master and devices */
293 
294 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
295 #ifdef CONFIG_SERIAL_BFIN_UART0
296 static struct resource bfin_uart0_resources[] = {
297         {
298                 .start = BFIN_UART_THR,
299                 .end = BFIN_UART_GCTL+2,
300                 .flags = IORESOURCE_MEM,
301         },
302         {
303                 .start = IRQ_UART0_TX,
304                 .end = IRQ_UART0_TX,
305                 .flags = IORESOURCE_IRQ,
306         },
307         {
308                 .start = IRQ_UART0_RX,
309                 .end = IRQ_UART0_RX,
310                 .flags = IORESOURCE_IRQ,
311         },
312         {
313                 .start = IRQ_UART0_ERROR,
314                 .end = IRQ_UART0_ERROR,
315                 .flags = IORESOURCE_IRQ,
316         },
317         {
318                 .start = CH_UART0_TX,
319                 .end = CH_UART0_TX,
320                 .flags = IORESOURCE_DMA,
321         },
322         {
323                 .start = CH_UART0_RX,
324                 .end = CH_UART0_RX,
325                 .flags = IORESOURCE_DMA,
326         },
327 };
328 
329 static unsigned short bfin_uart0_peripherals[] = {
330         P_UART0_TX, P_UART0_RX, 0
331 };
332 
333 static struct platform_device bfin_uart0_device = {
334         .name = "bfin-uart",
335         .id = 0,
336         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
337         .resource = bfin_uart0_resources,
338         .dev = {
339                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
340         },
341 };
342 #endif
343 #endif
344 
345 #if IS_ENABLED(CONFIG_BFIN_SIR)
346 #ifdef CONFIG_BFIN_SIR0
347 static struct resource bfin_sir0_resources[] = {
348         {
349                 .start = 0xFFC00400,
350                 .end = 0xFFC004FF,
351                 .flags = IORESOURCE_MEM,
352         },
353         {
354                 .start = IRQ_UART0_RX,
355                 .end = IRQ_UART0_RX+1,
356                 .flags = IORESOURCE_IRQ,
357         },
358         {
359                 .start = CH_UART0_RX,
360                 .end = CH_UART0_RX+1,
361                 .flags = IORESOURCE_DMA,
362         },
363 };
364 
365 static struct platform_device bfin_sir0_device = {
366         .name = "bfin_sir",
367         .id = 0,
368         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
369         .resource = bfin_sir0_resources,
370 };
371 #endif
372 #endif
373 
374 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
375 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
376 static struct resource bfin_sport0_uart_resources[] = {
377         {
378                 .start = SPORT0_TCR1,
379                 .end = SPORT0_MRCS3+4,
380                 .flags = IORESOURCE_MEM,
381         },
382         {
383                 .start = IRQ_SPORT0_RX,
384                 .end = IRQ_SPORT0_RX+1,
385                 .flags = IORESOURCE_IRQ,
386         },
387         {
388                 .start = IRQ_SPORT0_ERROR,
389                 .end = IRQ_SPORT0_ERROR,
390                 .flags = IORESOURCE_IRQ,
391         },
392 };
393 
394 static unsigned short bfin_sport0_peripherals[] = {
395         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
396         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
397 };
398 
399 static struct platform_device bfin_sport0_uart_device = {
400         .name = "bfin-sport-uart",
401         .id = 0,
402         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
403         .resource = bfin_sport0_uart_resources,
404         .dev = {
405                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
406         },
407 };
408 #endif
409 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
410 static struct resource bfin_sport1_uart_resources[] = {
411         {
412                 .start = SPORT1_TCR1,
413                 .end = SPORT1_MRCS3+4,
414                 .flags = IORESOURCE_MEM,
415         },
416         {
417                 .start = IRQ_SPORT1_RX,
418                 .end = IRQ_SPORT1_RX+1,
419                 .flags = IORESOURCE_IRQ,
420         },
421         {
422                 .start = IRQ_SPORT1_ERROR,
423                 .end = IRQ_SPORT1_ERROR,
424                 .flags = IORESOURCE_IRQ,
425         },
426 };
427 
428 static unsigned short bfin_sport1_peripherals[] = {
429         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
430         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
431 };
432 
433 static struct platform_device bfin_sport1_uart_device = {
434         .name = "bfin-sport-uart",
435         .id = 1,
436         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
437         .resource = bfin_sport1_uart_resources,
438         .dev = {
439                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
440         },
441 };
442 #endif
443 #endif
444 
445 #if IS_ENABLED(CONFIG_BFIN_SPORT)
446 static struct resource bfin_sport0_resources[] = {
447         {
448                 .start = SPORT0_TCR1,
449                 .end = SPORT0_MRCS3+4,
450                 .flags = IORESOURCE_MEM,
451         },
452         {
453                 .start = IRQ_SPORT0_TX,
454                 .end = IRQ_SPORT0_TX+1,
455                 .flags = IORESOURCE_IRQ,
456         },
457         {
458                 .start = IRQ_SPORT0_RX,
459                 .end = IRQ_SPORT0_RX+1,
460                 .flags = IORESOURCE_IRQ,
461         },
462         {
463                 .start = IRQ_SPORT0_ERROR,
464                 .end = IRQ_SPORT0_ERROR,
465                 .flags = IORESOURCE_IRQ,
466         },
467         {
468                 .start = CH_SPORT0_TX,
469                 .end = CH_SPORT0_TX,
470                 .flags = IORESOURCE_DMA,
471         },
472         {
473                 .start = CH_SPORT0_RX,
474                 .end = CH_SPORT0_RX,
475                 .flags = IORESOURCE_DMA,
476         },
477 };
478 static struct platform_device bfin_sport0_device = {
479         .name = "bfin_sport_raw",
480         .id = 0,
481         .num_resources = ARRAY_SIZE(bfin_sport0_resources),
482         .resource = bfin_sport0_resources,
483         .dev = {
484                 .platform_data = &bfin_sport0_peripherals,
485         },
486 };
487 #endif
488 
489 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
490 #include <linux/input.h>
491 #include <linux/gpio_keys.h>
492 
493 static struct gpio_keys_button bfin_gpio_keys_table[] = {
494         {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
495         {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
496         {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
497 };
498 
499 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
500         .buttons        = bfin_gpio_keys_table,
501         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
502 };
503 
504 static struct platform_device bfin_device_gpiokeys = {
505         .name      = "gpio-keys",
506         .dev = {
507                 .platform_data = &bfin_gpio_keys_data,
508         },
509 };
510 #endif
511 
512 #if IS_ENABLED(CONFIG_I2C_GPIO)
513 #include <linux/i2c-gpio.h>
514 
515 static struct i2c_gpio_platform_data i2c_gpio_data = {
516         .sda_pin                = GPIO_PF2,
517         .scl_pin                = GPIO_PF3,
518         .sda_is_open_drain      = 0,
519         .scl_is_open_drain      = 0,
520         .udelay                 = 10,
521 };
522 
523 static struct platform_device i2c_gpio_device = {
524         .name           = "i2c-gpio",
525         .id             = 0,
526         .dev            = {
527                 .platform_data  = &i2c_gpio_data,
528         },
529 };
530 #endif
531 
532 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
533 #if IS_ENABLED(CONFIG_JOYSTICK_AD7142)
534         {
535                 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
536                 .irq = 39,
537         },
538 #endif
539 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
540         {
541                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
542         },
543 #endif
544 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
545         {
546                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
547                 .irq = 39,
548         },
549 #endif
550 #if IS_ENABLED(CONFIG_FB_BFIN_7393)
551         {
552                 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
553         },
554 #endif
555 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
556         {
557                 I2C_BOARD_INFO("ad5252", 0x2f),
558         },
559 #endif
560 };
561 
562 static const unsigned int cclk_vlev_datasheet[] =
563 {
564         VRPAIR(VLEV_085, 250000000),
565         VRPAIR(VLEV_090, 376000000),
566         VRPAIR(VLEV_095, 426000000),
567         VRPAIR(VLEV_100, 426000000),
568         VRPAIR(VLEV_105, 476000000),
569         VRPAIR(VLEV_110, 476000000),
570         VRPAIR(VLEV_115, 476000000),
571         VRPAIR(VLEV_120, 600000000),
572         VRPAIR(VLEV_125, 600000000),
573         VRPAIR(VLEV_130, 600000000),
574 };
575 
576 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
577         .tuple_tab = cclk_vlev_datasheet,
578         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
579         .vr_settling_time = 25 /* us */,
580 };
581 
582 static struct platform_device bfin_dpmc = {
583         .name = "bfin dpmc",
584         .dev = {
585                 .platform_data = &bfin_dmpc_vreg_data,
586         },
587 };
588 
589 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S) || \
590         IS_ENABLED(CONFIG_SND_BF5XX_AC97)
591 
592 #include <asm/bfin_sport.h>
593 
594 #define SPORT_REQ(x) \
595         [x] = {P_SPORT##x##_TFS, P_SPORT##x##_DTPRI, P_SPORT##x##_TSCLK, \
596                 P_SPORT##x##_RFS, P_SPORT##x##_DRPRI, P_SPORT##x##_RSCLK, 0}
597 
598 static const u16 bfin_snd_pin[][7] = {
599         SPORT_REQ(0),
600         SPORT_REQ(1),
601 };
602 
603 static struct bfin_snd_platform_data bfin_snd_data[] = {
604         {
605                 .pin_req = &bfin_snd_pin[0][0],
606         },
607         {
608                 .pin_req = &bfin_snd_pin[1][0],
609         },
610 };
611 
612 #define BFIN_SND_RES(x) \
613         [x] = { \
614                 { \
615                         .start = SPORT##x##_TCR1, \
616                         .end = SPORT##x##_TCR1, \
617                         .flags = IORESOURCE_MEM \
618                 }, \
619                 { \
620                         .start = CH_SPORT##x##_RX, \
621                         .end = CH_SPORT##x##_RX, \
622                         .flags = IORESOURCE_DMA, \
623                 }, \
624                 { \
625                         .start = CH_SPORT##x##_TX, \
626                         .end = CH_SPORT##x##_TX, \
627                         .flags = IORESOURCE_DMA, \
628                 }, \
629                 { \
630                         .start = IRQ_SPORT##x##_ERROR, \
631                         .end = IRQ_SPORT##x##_ERROR, \
632                         .flags = IORESOURCE_IRQ, \
633                 } \
634         }
635 
636 static struct resource bfin_snd_resources[][4] = {
637         BFIN_SND_RES(0),
638         BFIN_SND_RES(1),
639 };
640 #endif
641 
642 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
643 static struct platform_device bfin_i2s_pcm = {
644         .name = "bfin-i2s-pcm-audio",
645         .id = -1,
646 };
647 #endif
648 
649 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
650 static struct platform_device bfin_ac97_pcm = {
651         .name = "bfin-ac97-pcm-audio",
652         .id = -1,
653 };
654 #endif
655 
656 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
657 static const char * const ad1836_link[] = {
658         "bfin-i2s.0",
659         "spi0.4",
660 };
661 static struct platform_device bfin_ad1836_machine = {
662         .name = "bfin-snd-ad1836",
663         .id = -1,
664         .dev = {
665                 .platform_data = (void *)ad1836_link,
666         },
667 };
668 #endif
669 
670 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
671 static const unsigned ad73311_gpio[] = {
672         GPIO_PF4,
673 };
674 
675 static struct platform_device bfin_ad73311_machine = {
676         .name = "bfin-snd-ad73311",
677         .id = 1,
678         .dev = {
679                 .platform_data = (void *)ad73311_gpio,
680         },
681 };
682 #endif
683 
684 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
685 static struct platform_device bfin_ad73311_codec_device = {
686         .name = "ad73311",
687         .id = -1,
688 };
689 #endif
690 
691 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
692 static struct platform_device bfin_ad74111_codec_device = {
693         .name = "ad74111",
694         .id = -1,
695 };
696 #endif
697 
698 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
699 static struct platform_device bfin_i2s = {
700         .name = "bfin-i2s",
701         .id = CONFIG_SND_BF5XX_SPORT_NUM,
702         .num_resources =
703                 ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]),
704         .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM],
705         .dev = {
706                 .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM],
707         },
708 };
709 #endif
710 
711 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
712 static struct platform_device bfin_ac97 = {
713         .name = "bfin-ac97",
714         .id = CONFIG_SND_BF5XX_SPORT_NUM,
715         .num_resources =
716                 ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]),
717         .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM],
718         .dev = {
719                 .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM],
720         },
721 };
722 #endif
723 
724 static struct platform_device *stamp_devices[] __initdata = {
725 
726         &bfin_dpmc,
727 
728 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
729         &rtc_device,
730 #endif
731 
732 #if IS_ENABLED(CONFIG_SMC91X)
733         &smc91x_device,
734 #endif
735 
736 #if IS_ENABLED(CONFIG_USB_NET2272)
737         &net2272_bfin_device,
738 #endif
739 
740 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
741         &bfin_spi0_device,
742 #endif
743 
744 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
745 #ifdef CONFIG_SERIAL_BFIN_UART0
746         &bfin_uart0_device,
747 #endif
748 #endif
749 
750 #if IS_ENABLED(CONFIG_BFIN_SIR)
751 #ifdef CONFIG_BFIN_SIR0
752         &bfin_sir0_device,
753 #endif
754 #endif
755 
756 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
757 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
758         &bfin_sport0_uart_device,
759 #endif
760 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
761         &bfin_sport1_uart_device,
762 #endif
763 #endif
764 
765 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
766         &bfin_device_gpiokeys,
767 #endif
768 
769 #if IS_ENABLED(CONFIG_I2C_GPIO)
770         &i2c_gpio_device,
771 #endif
772 
773 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
774         &stamp_flash_device,
775 #endif
776 
777 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
778         &bfin_i2s_pcm,
779 #endif
780 
781 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
782         &bfin_ac97_pcm,
783 #endif
784 
785 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
786         &bfin_ad1836_machine,
787 #endif
788 
789 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
790         &bfin_ad73311_machine,
791 #endif
792 
793 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
794         &bfin_ad73311_codec_device,
795 #endif
796 
797 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
798         &bfin_ad74111_codec_device,
799 #endif
800 
801 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
802         &bfin_i2s,
803 #endif
804 
805 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
806         &bfin_ac97,
807 #endif
808 };
809 
810 static int __init net2272_init(void)
811 {
812 #if IS_ENABLED(CONFIG_USB_NET2272)
813         int ret;
814 
815         /* Set PF0 to 0, PF1 to 1 make /AMS3 work properly */
816         ret = gpio_request(GPIO_PF0, "net2272");
817         if (ret)
818                 return ret;
819 
820         ret = gpio_request(GPIO_PF1, "net2272");
821         if (ret) {
822                 gpio_free(GPIO_PF0);
823                 return ret;
824         }
825 
826         ret = gpio_request(GPIO_PF11, "net2272");
827         if (ret) {
828                 gpio_free(GPIO_PF0);
829                 gpio_free(GPIO_PF1);
830                 return ret;
831         }
832 
833         gpio_direction_output(GPIO_PF0, 0);
834         gpio_direction_output(GPIO_PF1, 1);
835 
836         /* Reset the USB chip */
837         gpio_direction_output(GPIO_PF11, 0);
838         mdelay(2);
839         gpio_set_value(GPIO_PF11, 1);
840 #endif
841 
842         return 0;
843 }
844 
845 static int __init stamp_init(void)
846 {
847         int ret;
848 
849         printk(KERN_INFO "%s(): registering device resources\n", __func__);
850 
851         i2c_register_board_info(0, bfin_i2c_board_info,
852                                 ARRAY_SIZE(bfin_i2c_board_info));
853 
854         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
855         if (ret < 0)
856                 return ret;
857 
858 #if IS_ENABLED(CONFIG_SMC91X)
859         /*
860          * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
861          * the bfin-async-map driver takes care of flipping between
862          * flash and ethernet when necessary.
863          */
864         ret = gpio_request(GPIO_PF0, "enet_cpld");
865         if (!ret) {
866                 gpio_direction_output(GPIO_PF0, 1);
867                 gpio_free(GPIO_PF0);
868         }
869 #endif
870 
871         if (net2272_init())
872                 pr_warning("unable to configure net2272; it probably won't work\n");
873 
874         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
875         return 0;
876 }
877 
878 arch_initcall(stamp_init);
879 
880 static struct platform_device *stamp_early_devices[] __initdata = {
881 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
882 #ifdef CONFIG_SERIAL_BFIN_UART0
883         &bfin_uart0_device,
884 #endif
885 #endif
886 
887 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
888 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
889         &bfin_sport0_uart_device,
890 #endif
891 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
892         &bfin_sport1_uart_device,
893 #endif
894 #endif
895 };
896 
897 void __init native_machine_early_platform_add_devices(void)
898 {
899         printk(KERN_INFO "register early platform devices\n");
900         early_platform_add_devices(stamp_early_devices,
901                 ARRAY_SIZE(stamp_early_devices));
902 }
903 
904 void native_machine_restart(char *cmd)
905 {
906         /* workaround pull up on cpld / flash pin not being strong enough */
907         gpio_request(GPIO_PF0, "flash_cpld");
908         gpio_direction_output(GPIO_PF0, 0);
909 }
910 

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