42297fad46b921c7a6419a6a913ba768c54ca672
[linux-3.10.git] / arch / blackfin / mach-bf538 / boards / ezkit.c
1 /*
2  * File:         arch/blackfin/mach-bf538/boards/ezkit.c
3  * Based on:     arch/blackfin/mach-bf537/boards/ezkit.c
4  * Author:       Aidan Williams <aidan@nicta.com.au>
5  *
6  * Created:
7  * Description:
8  *
9  * Modified:
10  *               Copyright 2005 National ICT Australia (NICTA)
11  *               Copyright 2004-2008 Analog Devices Inc.
12  *
13  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
14  *
15  * This program is free software; you can redistribute it and/or modify
16  * it under the terms of the GNU General Public License as published by
17  * the Free Software Foundation; either version 2 of the License, or
18  * (at your option) any later version.
19  *
20  * This program is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23  * GNU General Public License for more details.
24  *
25  * You should have received a copy of the GNU General Public License
26  * along with this program; if not, see the file COPYING, or write
27  * to the Free Software Foundation, Inc.,
28  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
29  */
30
31 #include <linux/device.h>
32 #include <linux/platform_device.h>
33 #include <linux/mtd/mtd.h>
34 #include <linux/mtd/partitions.h>
35 #include <linux/spi/spi.h>
36 #include <linux/spi/flash.h>
37 #include <linux/irq.h>
38 #include <linux/interrupt.h>
39 #include <asm/bfin5xx_spi.h>
40 #include <asm/dma.h>
41 #include <asm/gpio.h>
42 #include <asm/nand.h>
43 #include <asm/portmux.h>
44 #include <asm/dpmc.h>
45 #include <linux/input.h>
46
47 /*
48  * Name the Board for the /proc/cpuinfo
49  */
50 const char bfin_board_name[] = "ADI BF538-EZKIT";
51
52 /*
53  *  Driver needs to know address, irq and flag pin.
54  */
55
56
57 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
58 static struct platform_device rtc_device = {
59         .name = "rtc-bfin",
60         .id   = -1,
61 };
62 #endif
63
64 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
65 static struct resource bfin_uart_resources[] = {
66 #ifdef CONFIG_SERIAL_BFIN_UART0
67         {
68                 .start = 0xFFC00400,
69                 .end = 0xFFC004FF,
70                 .flags = IORESOURCE_MEM,
71         },
72 #endif
73 #ifdef CONFIG_SERIAL_BFIN_UART1
74         {
75                 .start = 0xFFC02000,
76                 .end = 0xFFC020FF,
77                 .flags = IORESOURCE_MEM,
78         },
79 #endif
80 #ifdef CONFIG_SERIAL_BFIN_UART2
81         {
82                 .start = 0xFFC02100,
83                 .end = 0xFFC021FF,
84                 .flags = IORESOURCE_MEM,
85         },
86 #endif
87 };
88
89 static struct platform_device bfin_uart_device = {
90         .name = "bfin-uart",
91         .id = 1,
92         .num_resources = ARRAY_SIZE(bfin_uart_resources),
93         .resource = bfin_uart_resources,
94 };
95 #endif
96
97 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
98 #ifdef CONFIG_BFIN_SIR0
99 static struct resource bfin_sir0_resources[] = {
100         {
101                 .start = 0xFFC00400,
102                 .end = 0xFFC004FF,
103                 .flags = IORESOURCE_MEM,
104         },
105         {
106                 .start = IRQ_UART0_RX,
107                 .end = IRQ_UART0_RX+1,
108                 .flags = IORESOURCE_IRQ,
109         },
110         {
111                 .start = CH_UART0_RX,
112                 .end = CH_UART0_RX+1,
113                 .flags = IORESOURCE_DMA,
114         },
115 };
116 static struct platform_device bfin_sir0_device = {
117         .name = "bfin_sir",
118         .id = 0,
119         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
120         .resource = bfin_sir0_resources,
121 };
122 #endif
123 #ifdef CONFIG_BFIN_SIR1
124 static struct resource bfin_sir1_resources[] = {
125         {
126                 .start = 0xFFC02000,
127                 .end = 0xFFC020FF,
128                 .flags = IORESOURCE_MEM,
129         },
130         {
131                 .start = IRQ_UART1_RX,
132                 .end = IRQ_UART1_RX+1,
133                 .flags = IORESOURCE_IRQ,
134         },
135         {
136                 .start = CH_UART1_RX,
137                 .end = CH_UART1_RX+1,
138                 .flags = IORESOURCE_DMA,
139         },
140 };
141 static struct platform_device bfin_sir1_device = {
142         .name = "bfin_sir",
143         .id = 1,
144         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
145         .resource = bfin_sir1_resources,
146 };
147 #endif
148 #ifdef CONFIG_BFIN_SIR2
149 static struct resource bfin_sir2_resources[] = {
150         {
151                 .start = 0xFFC02100,
152                 .end = 0xFFC021FF,
153                 .flags = IORESOURCE_MEM,
154         },
155         {
156                 .start = IRQ_UART2_RX,
157                 .end = IRQ_UART2_RX+1,
158                 .flags = IORESOURCE_IRQ,
159         },
160         {
161                 .start = CH_UART2_RX,
162                 .end = CH_UART2_RX+1,
163                 .flags = IORESOURCE_DMA,
164         },
165 };
166 static struct platform_device bfin_sir2_device = {
167         .name = "bfin_sir",
168         .id = 2,
169         .num_resources = ARRAY_SIZE(bfin_sir2_resources),
170         .resource = bfin_sir2_resources,
171 };
172 #endif
173 #endif
174
175 /*
176  *  USB-LAN EzExtender board
177  *  Driver needs to know address, irq and flag pin.
178  */
179 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
180 #include <linux/smc91x.h>
181
182 static struct smc91x_platdata smc91x_info = {
183         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
184         .leda = RPC_LED_100_10,
185         .ledb = RPC_LED_TX_RX,
186 };
187
188 static struct resource smc91x_resources[] = {
189         {
190                 .name = "smc91x-regs",
191                 .start = 0x20310300,
192                 .end = 0x20310300 + 16,
193                 .flags = IORESOURCE_MEM,
194         }, {
195                 .start = IRQ_PF0,
196                 .end = IRQ_PF0,
197                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
198         },
199 };
200 static struct platform_device smc91x_device = {
201         .name = "smc91x",
202         .id = 0,
203         .num_resources = ARRAY_SIZE(smc91x_resources),
204         .resource = smc91x_resources,
205         .dev    = {
206                 .platform_data  = &smc91x_info,
207         },
208 };
209 #endif
210
211 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
212 /* all SPI peripherals info goes here */
213 #if defined(CONFIG_MTD_M25P80) \
214         || defined(CONFIG_MTD_M25P80_MODULE)
215 /* SPI flash chip (m25p16) */
216 static struct mtd_partition bfin_spi_flash_partitions[] = {
217         {
218                 .name = "bootloader(spi)",
219                 .size = 0x00040000,
220                 .offset = 0,
221                 .mask_flags = MTD_CAP_ROM
222         }, {
223                 .name = "linux kernel(spi)",
224                 .size = 0x1c0000,
225                 .offset = 0x40000
226         }
227 };
228
229 static struct flash_platform_data bfin_spi_flash_data = {
230         .name = "m25p80",
231         .parts = bfin_spi_flash_partitions,
232         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
233         .type = "m25p16",
234 };
235
236 static struct bfin5xx_spi_chip spi_flash_chip_info = {
237         .enable_dma = 0,         /* use dma transfer with this chip*/
238         .bits_per_word = 8,
239         .cs_change_per_word = 0,
240 };
241 #endif
242
243 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
244 #include <linux/spi/ad7879.h>
245 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
246         .model                  = 7879, /* Model = AD7879 */
247         .x_plate_ohms           = 620,  /* 620 Ohm from the touch datasheet */
248         .pressure_max           = 10000,
249         .pressure_min           = 0,
250         .first_conversion_delay = 3,    /* wait 512us before do a first conversion */
251         .acquisition_time       = 1,    /* 4us acquisition time per sample */
252         .median                 = 2,    /* do 8 measurements */
253         .averaging              = 1,    /* take the average of 4 middle samples */
254         .pen_down_acc_interval  = 255,  /* 9.4 ms */
255         .gpio_output            = 1,    /* configure AUX/VBAT/GPIO as GPIO output */
256         .gpio_default           = 1,    /* During initialization set GPIO = HIGH */
257 };
258 #endif
259
260 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
261 static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
262         .enable_dma = 0,
263         .bits_per_word = 16,
264 };
265 #endif
266
267 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
268 #include <asm/bfin-lq035q1.h>
269
270 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
271         .mode =         LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
272         .use_bl =       0,      /* let something else control the LCD Blacklight */
273         .gpio_bl =      GPIO_PF7,
274 };
275
276 static struct resource bfin_lq035q1_resources[] = {
277         {
278                 .start = IRQ_PPI_ERROR,
279                 .end = IRQ_PPI_ERROR,
280                 .flags = IORESOURCE_IRQ,
281         },
282 };
283
284 static struct platform_device bfin_lq035q1_device = {
285         .name           = "bfin-lq035q1",
286         .id             = -1,
287         .num_resources  = ARRAY_SIZE(bfin_lq035q1_resources),
288         .resource       = bfin_lq035q1_resources,
289         .dev            = {
290                 .platform_data = &bfin_lq035q1_data,
291         },
292 };
293 #endif
294
295 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
296 static struct bfin5xx_spi_chip spidev_chip_info = {
297         .enable_dma = 0,
298         .bits_per_word = 8,
299 };
300 #endif
301
302 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
303 static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
304         .enable_dma     = 0,
305         .bits_per_word  = 8,
306 };
307 #endif
308
309 static struct spi_board_info bf538_spi_board_info[] __initdata = {
310 #if defined(CONFIG_MTD_M25P80) \
311         || defined(CONFIG_MTD_M25P80_MODULE)
312         {
313                 /* the modalias must be the same as spi device driver name */
314                 .modalias = "m25p80", /* Name of spi_driver for this device */
315                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
316                 .bus_num = 0, /* Framework bus number */
317                 .chip_select = 1, /* SPI_SSEL1*/
318                 .platform_data = &bfin_spi_flash_data,
319                 .controller_data = &spi_flash_chip_info,
320                 .mode = SPI_MODE_3,
321         },
322 #endif
323 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
324         {
325                 .modalias = "ad7879",
326                 .platform_data = &bfin_ad7879_ts_info,
327                 .irq = IRQ_PF3,
328                 .max_speed_hz = 5000000,     /* max spi clock (SCK) speed in HZ */
329                 .bus_num = 0,
330                 .chip_select = 1,
331                 .controller_data = &spi_ad7879_chip_info,
332                 .mode = SPI_CPHA | SPI_CPOL,
333         },
334 #endif
335 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
336         {
337                 .modalias = "bfin-lq035q1-spi",
338                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
339                 .bus_num = 0,
340                 .chip_select = 2,
341                 .controller_data = &lq035q1_spi_chip_info,
342                 .mode = SPI_CPHA | SPI_CPOL,
343         },
344 #endif
345 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
346         {
347                 .modalias = "spidev",
348                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
349                 .bus_num = 0,
350                 .chip_select = 1,
351                 .controller_data = &spidev_chip_info,
352         },
353 #endif
354 };
355
356 /* SPI (0) */
357 static struct resource bfin_spi0_resource[] = {
358         [0] = {
359                 .start = SPI0_REGBASE,
360                 .end   = SPI0_REGBASE + 0xFF,
361                 .flags = IORESOURCE_MEM,
362         },
363         [1] = {
364                 .start = CH_SPI0,
365                 .end   = CH_SPI0,
366                 .flags = IORESOURCE_DMA,
367         },
368         [2] = {
369                 .start = IRQ_SPI0,
370                 .end   = IRQ_SPI0,
371                 .flags = IORESOURCE_IRQ,
372         }
373 };
374
375 /* SPI (1) */
376 static struct resource bfin_spi1_resource[] = {
377         [0] = {
378                 .start = SPI1_REGBASE,
379                 .end   = SPI1_REGBASE + 0xFF,
380                 .flags = IORESOURCE_MEM,
381         },
382         [1] = {
383                 .start = CH_SPI1,
384                 .end   = CH_SPI1,
385                 .flags = IORESOURCE_DMA,
386         },
387         [2] = {
388                 .start = IRQ_SPI1,
389                 .end   = IRQ_SPI1,
390                 .flags = IORESOURCE_IRQ,
391         }
392 };
393
394 /* SPI (2) */
395 static struct resource bfin_spi2_resource[] = {
396         [0] = {
397                 .start = SPI2_REGBASE,
398                 .end   = SPI2_REGBASE + 0xFF,
399                 .flags = IORESOURCE_MEM,
400         },
401         [1] = {
402                 .start = CH_SPI2,
403                 .end   = CH_SPI2,
404                 .flags = IORESOURCE_IRQ,
405         }
406 };
407
408 /* SPI controller data */
409 static struct bfin5xx_spi_master bf538_spi_master_info0 = {
410         .num_chipselect = 8,
411         .enable_dma = 1,  /* master has the ability to do dma transfer */
412         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
413 };
414
415 static struct platform_device bf538_spi_master0 = {
416         .name = "bfin-spi",
417         .id = 0, /* Bus number */
418         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
419         .resource = bfin_spi0_resource,
420         .dev = {
421                 .platform_data = &bf538_spi_master_info0, /* Passed to driver */
422                 },
423 };
424
425 static struct bfin5xx_spi_master bf538_spi_master_info1 = {
426         .num_chipselect = 8,
427         .enable_dma = 1,  /* master has the ability to do dma transfer */
428         .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
429 };
430
431 static struct platform_device bf538_spi_master1 = {
432         .name = "bfin-spi",
433         .id = 1, /* Bus number */
434         .num_resources = ARRAY_SIZE(bfin_spi1_resource),
435         .resource = bfin_spi1_resource,
436         .dev = {
437                 .platform_data = &bf538_spi_master_info1, /* Passed to driver */
438                 },
439 };
440
441 static struct bfin5xx_spi_master bf538_spi_master_info2 = {
442         .num_chipselect = 8,
443         .enable_dma = 1,  /* master has the ability to do dma transfer */
444         .pin_req = {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0},
445 };
446
447 static struct platform_device bf538_spi_master2 = {
448         .name = "bfin-spi",
449         .id = 2, /* Bus number */
450         .num_resources = ARRAY_SIZE(bfin_spi2_resource),
451         .resource = bfin_spi2_resource,
452         .dev = {
453                 .platform_data = &bf538_spi_master_info2, /* Passed to driver */
454                 },
455 };
456
457 #endif  /* spi master and devices */
458
459 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
460 static struct resource bfin_twi0_resource[] = {
461         [0] = {
462                 .start = TWI0_REGBASE,
463                 .end   = TWI0_REGBASE + 0xFF,
464                 .flags = IORESOURCE_MEM,
465         },
466         [1] = {
467                 .start = IRQ_TWI0,
468                 .end   = IRQ_TWI0,
469                 .flags = IORESOURCE_IRQ,
470         },
471 };
472
473 static struct platform_device i2c_bfin_twi0_device = {
474         .name = "i2c-bfin-twi",
475         .id = 0,
476         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
477         .resource = bfin_twi0_resource,
478 };
479
480 #if !defined(CONFIG_BF542)      /* The BF542 only has 1 TWI */
481 static struct resource bfin_twi1_resource[] = {
482         [0] = {
483                 .start = TWI1_REGBASE,
484                 .end   = TWI1_REGBASE + 0xFF,
485                 .flags = IORESOURCE_MEM,
486         },
487         [1] = {
488                 .start = IRQ_TWI1,
489                 .end   = IRQ_TWI1,
490                 .flags = IORESOURCE_IRQ,
491         },
492 };
493
494 static struct platform_device i2c_bfin_twi1_device = {
495         .name = "i2c-bfin-twi",
496         .id = 1,
497         .num_resources = ARRAY_SIZE(bfin_twi1_resource),
498         .resource = bfin_twi1_resource,
499 };
500 #endif
501 #endif
502
503 static struct resource bfin_gpios_resources = {
504         .start = 0,
505         .end   = MAX_BLACKFIN_GPIOS - 1,
506         .flags = IORESOURCE_IRQ,
507 };
508
509 static struct platform_device bfin_gpios_device = {
510         .name = "simple-gpio",
511         .id = -1,
512         .num_resources = 1,
513         .resource = &bfin_gpios_resources,
514 };
515
516 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
517 #include <linux/gpio_keys.h>
518
519 static struct gpio_keys_button bfin_gpio_keys_table[] = {
520         {BTN_0, GPIO_PC7, 1, "gpio-keys: BTN0"},
521 };
522
523 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
524         .buttons        = bfin_gpio_keys_table,
525         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
526 };
527
528 static struct platform_device bfin_device_gpiokeys = {
529         .name      = "gpio-keys",
530         .dev = {
531                 .platform_data = &bfin_gpio_keys_data,
532         },
533 };
534 #endif
535
536 static const unsigned int cclk_vlev_datasheet[] =
537 {
538 /*
539  * Internal VLEV BF538SBBC1533
540  ****temporarily using these values until data sheet is updated
541  */
542         VRPAIR(VLEV_100, 150000000),
543         VRPAIR(VLEV_100, 250000000),
544         VRPAIR(VLEV_110, 276000000),
545         VRPAIR(VLEV_115, 301000000),
546         VRPAIR(VLEV_120, 525000000),
547         VRPAIR(VLEV_125, 550000000),
548         VRPAIR(VLEV_130, 600000000),
549 };
550
551 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
552         .tuple_tab = cclk_vlev_datasheet,
553         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
554         .vr_settling_time = 25 /* us */,
555 };
556
557 static struct platform_device bfin_dpmc = {
558         .name = "bfin dpmc",
559         .dev = {
560                 .platform_data = &bfin_dmpc_vreg_data,
561         },
562 };
563
564 static struct platform_device *cm_bf538_devices[] __initdata = {
565
566         &bfin_dpmc,
567
568 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
569         &rtc_device,
570 #endif
571
572 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
573         &bfin_uart_device,
574 #endif
575
576 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
577         &bf538_spi_master0,
578         &bf538_spi_master1,
579         &bf538_spi_master2,
580 #endif
581
582 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
583         &i2c_bfin_twi0_device,
584         &i2c_bfin_twi1_device,
585 #endif
586
587 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
588 #ifdef CONFIG_BFIN_SIR0
589         &bfin_sir0_device,
590 #endif
591 #ifdef CONFIG_BFIN_SIR1
592         &bfin_sir1_device,
593 #endif
594 #ifdef CONFIG_BFIN_SIR2
595         &bfin_sir2_device,
596 #endif
597 #endif
598
599 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
600         &smc91x_device,
601 #endif
602
603 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
604         &bfin_lq035q1_device,
605 #endif
606
607 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
608         &bfin_device_gpiokeys,
609 #endif
610
611         &bfin_gpios_device,
612 };
613
614 static int __init ezkit_init(void)
615 {
616         printk(KERN_INFO "%s(): registering device resources\n", __func__);
617         platform_add_devices(cm_bf538_devices, ARRAY_SIZE(cm_bf538_devices));
618
619 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
620         spi_register_board_info(bf538_spi_board_info,
621                         ARRAY_SIZE(bf538_spi_board_info));
622 #endif
623
624         return 0;
625 }
626
627 arch_initcall(ezkit_init);