Merge branch 'fix/hda' into for-linus
[pandora-kernel.git] / arch / blackfin / mach-bf533 / boards / stamp.c
1 /*
2  * File:         arch/blackfin/mach-bf533/stamp.c
3  * Based on:     arch/blackfin/mach-bf533/ezkit.c
4  * Author:       Aidan Williams <aidan@nicta.com.au>
5  *
6  * Created:      2005
7  * Description:  Board Info File for the BF533-STAMP
8  *
9  * Modified:
10  *               Copyright 2005 National ICT Australia (NICTA)
11  *               Copyright 2004-2006 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/mtd/physmap.h>
36 #include <linux/spi/spi.h>
37 #include <linux/spi/flash.h>
38 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
39 #include <linux/usb/isp1362.h>
40 #endif
41 #include <linux/irq.h>
42 #include <linux/i2c.h>
43 #include <asm/dma.h>
44 #include <asm/bfin5xx_spi.h>
45 #include <asm/reboot.h>
46 #include <asm/portmux.h>
47 #include <asm/dpmc.h>
48
49 /*
50  * Name the Board for the /proc/cpuinfo
51  */
52 const char bfin_board_name[] = "ADI BF533-STAMP";
53
54 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
55 static struct platform_device rtc_device = {
56         .name = "rtc-bfin",
57         .id   = -1,
58 };
59 #endif
60
61 /*
62  *  Driver needs to know address, irq and flag pin.
63  */
64 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
65 static struct resource smc91x_resources[] = {
66         {
67                 .name = "smc91x-regs",
68                 .start = 0x20300300,
69                 .end = 0x20300300 + 16,
70                 .flags = IORESOURCE_MEM,
71         }, {
72                 .start = IRQ_PF7,
73                 .end = IRQ_PF7,
74                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
75         },
76 };
77
78 static struct platform_device smc91x_device = {
79         .name = "smc91x",
80         .id = 0,
81         .num_resources = ARRAY_SIZE(smc91x_resources),
82         .resource = smc91x_resources,
83 };
84 #endif
85
86 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
87 static struct platform_device bfin_fb_adv7393_device = {
88         .name = "bfin-adv7393",
89 };
90 #endif
91
92 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
93 static struct resource net2272_bfin_resources[] = {
94         {
95                 .start = 0x20300000,
96                 .end = 0x20300000 + 0x100,
97                 .flags = IORESOURCE_MEM,
98         }, {
99                 .start = IRQ_PF10,
100                 .end = IRQ_PF10,
101                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
102         },
103 };
104
105 static struct platform_device net2272_bfin_device = {
106         .name = "net2272",
107         .id = -1,
108         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
109         .resource = net2272_bfin_resources,
110 };
111 #endif
112
113 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
114 static struct mtd_partition stamp_partitions[] = {
115         {
116                 .name   = "bootloader(nor)",
117                 .size   = 0x40000,
118                 .offset = 0,
119         }, {
120                 .name   = "linux kernel(nor)",
121                 .size   = 0x180000,
122                 .offset = MTDPART_OFS_APPEND,
123         }, {
124                 .name   = "file system(nor)",
125                 .size   = MTDPART_SIZ_FULL,
126                 .offset = MTDPART_OFS_APPEND,
127         }
128 };
129
130 static struct physmap_flash_data stamp_flash_data = {
131         .width    = 2,
132         .parts    = stamp_partitions,
133         .nr_parts = ARRAY_SIZE(stamp_partitions),
134 };
135
136 static struct resource stamp_flash_resource[] = {
137         {
138                 .name  = "cfi_probe",
139                 .start = 0x20000000,
140                 .end   = 0x203fffff,
141                 .flags = IORESOURCE_MEM,
142         }, {
143                 .start = 0x7BB07BB0,    /* AMBCTL0 setting when accessing flash */
144                 .end   = 0x7BB07BB0,    /* AMBCTL1 setting when accessing flash */
145                 .flags = IORESOURCE_MEM,
146         }, {
147                 .start = GPIO_PF0,
148                 .flags = IORESOURCE_IRQ,
149         }
150 };
151
152 static struct platform_device stamp_flash_device = {
153         .name          = "bfin-async-flash",
154         .id            = 0,
155         .dev = {
156                 .platform_data = &stamp_flash_data,
157         },
158         .num_resources = ARRAY_SIZE(stamp_flash_resource),
159         .resource      = stamp_flash_resource,
160 };
161 #endif
162
163 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
164 static struct mtd_partition bfin_spi_flash_partitions[] = {
165         {
166                 .name = "bootloader(spi)",
167                 .size = 0x00040000,
168                 .offset = 0,
169                 .mask_flags = MTD_CAP_ROM
170         }, {
171                 .name = "linux kernel(spi)",
172                 .size = 0x180000,
173                 .offset = MTDPART_OFS_APPEND,
174         }, {
175                 .name = "file system(spi)",
176                 .size = MTDPART_SIZ_FULL,
177                 .offset = MTDPART_OFS_APPEND,
178         }
179 };
180
181 static struct flash_platform_data bfin_spi_flash_data = {
182         .name = "m25p80",
183         .parts = bfin_spi_flash_partitions,
184         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
185         .type = "m25p64",
186 };
187
188 /* SPI flash chip (m25p64) */
189 static struct bfin5xx_spi_chip spi_flash_chip_info = {
190         .enable_dma = 0,         /* use dma transfer with this chip*/
191         .bits_per_word = 8,
192 };
193 #endif
194
195 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
196 /* SPI ADC chip */
197 static struct bfin5xx_spi_chip spi_adc_chip_info = {
198         .enable_dma = 1,         /* use dma transfer with this chip*/
199         .bits_per_word = 16,
200 };
201 #endif
202
203 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
204 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
205         .enable_dma = 0,
206         .bits_per_word = 16,
207 };
208 #endif
209
210 #if defined(CONFIG_PBX)
211 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
212         .ctl_reg        = 0x4, /* send zero */
213         .enable_dma     = 0,
214         .bits_per_word  = 8,
215         .cs_change_per_word = 1,
216 };
217 #endif
218
219 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
220 static struct bfin5xx_spi_chip spidev_chip_info = {
221         .enable_dma = 0,
222         .bits_per_word = 8,
223 };
224 #endif
225
226 static struct spi_board_info bfin_spi_board_info[] __initdata = {
227 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
228         {
229                 /* the modalias must be the same as spi device driver name */
230                 .modalias = "m25p80", /* Name of spi_driver for this device */
231                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
232                 .bus_num = 0, /* Framework bus number */
233                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
234                 .platform_data = &bfin_spi_flash_data,
235                 .controller_data = &spi_flash_chip_info,
236                 .mode = SPI_MODE_3,
237         },
238 #endif
239
240 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
241         {
242                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
243                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
244                 .bus_num = 0, /* Framework bus number */
245                 .chip_select = 1, /* Framework chip select. */
246                 .platform_data = NULL, /* No spi_driver specific config */
247                 .controller_data = &spi_adc_chip_info,
248         },
249 #endif
250
251 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
252         {
253                 .modalias = "ad1836-spi",
254                 .max_speed_hz = 31250000,     /* max spi clock (SCK) speed in HZ */
255                 .bus_num = 0,
256                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
257                 .controller_data = &ad1836_spi_chip_info,
258         },
259 #endif
260
261 #if defined(CONFIG_PBX)
262         {
263                 .modalias = "fxs-spi",
264                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
265                 .bus_num = 0,
266                 .chip_select = 8 - CONFIG_J11_JUMPER,
267                 .controller_data = &spi_si3xxx_chip_info,
268                 .mode = SPI_MODE_3,
269         },
270         {
271                 .modalias = "fxo-spi",
272                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
273                 .bus_num = 0,
274                 .chip_select = 8 - CONFIG_J19_JUMPER,
275                 .controller_data = &spi_si3xxx_chip_info,
276                 .mode = SPI_MODE_3,
277         },
278 #endif
279
280 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
281         {
282                 .modalias = "spidev",
283                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
284                 .bus_num = 0,
285                 .chip_select = 1,
286                 .controller_data = &spidev_chip_info,
287         },
288 #endif
289 };
290
291 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
292 /* SPI (0) */
293 static struct resource bfin_spi0_resource[] = {
294         [0] = {
295                 .start = SPI0_REGBASE,
296                 .end   = SPI0_REGBASE + 0xFF,
297                 .flags = IORESOURCE_MEM,
298         },
299         [1] = {
300                 .start = CH_SPI,
301                 .end   = CH_SPI,
302                 .flags = IORESOURCE_DMA,
303         },
304         [2] = {
305                 .start = IRQ_SPI,
306                 .end   = IRQ_SPI,
307                 .flags = IORESOURCE_IRQ,
308         }
309 };
310
311 /* SPI controller data */
312 static struct bfin5xx_spi_master bfin_spi0_info = {
313         .num_chipselect = 8,
314         .enable_dma = 1,  /* master has the ability to do dma transfer */
315         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
316 };
317
318 static struct platform_device bfin_spi0_device = {
319         .name = "bfin-spi",
320         .id = 0, /* Bus number */
321         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
322         .resource = bfin_spi0_resource,
323         .dev = {
324                 .platform_data = &bfin_spi0_info, /* Passed to driver */
325         },
326 };
327 #endif  /* spi master and devices */
328
329 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
330 static struct platform_device bfin_fb_device = {
331         .name = "bf537-fb",
332 };
333 #endif
334
335 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
336 static struct resource bfin_uart_resources[] = {
337         {
338                 .start = 0xFFC00400,
339                 .end = 0xFFC004FF,
340                 .flags = IORESOURCE_MEM,
341         },
342 };
343
344 static struct platform_device bfin_uart_device = {
345         .name = "bfin-uart",
346         .id = 1,
347         .num_resources = ARRAY_SIZE(bfin_uart_resources),
348         .resource = bfin_uart_resources,
349 };
350 #endif
351
352 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
353 #ifdef CONFIG_BFIN_SIR0
354 static struct resource bfin_sir0_resources[] = {
355         {
356                 .start = 0xFFC00400,
357                 .end = 0xFFC004FF,
358                 .flags = IORESOURCE_MEM,
359         },
360         {
361                 .start = IRQ_UART0_RX,
362                 .end = IRQ_UART0_RX+1,
363                 .flags = IORESOURCE_IRQ,
364         },
365         {
366                 .start = CH_UART0_RX,
367                 .end = CH_UART0_RX+1,
368                 .flags = IORESOURCE_DMA,
369         },
370 };
371
372 static struct platform_device bfin_sir0_device = {
373         .name = "bfin_sir",
374         .id = 0,
375         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
376         .resource = bfin_sir0_resources,
377 };
378 #endif
379 #endif
380
381 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
382 static struct platform_device bfin_sport0_uart_device = {
383         .name = "bfin-sport-uart",
384         .id = 0,
385 };
386
387 static struct platform_device bfin_sport1_uart_device = {
388         .name = "bfin-sport-uart",
389         .id = 1,
390 };
391 #endif
392
393 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
394 #include <linux/input.h>
395 #include <linux/gpio_keys.h>
396
397 static struct gpio_keys_button bfin_gpio_keys_table[] = {
398         {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
399         {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
400         {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
401 };
402
403 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
404         .buttons        = bfin_gpio_keys_table,
405         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
406 };
407
408 static struct platform_device bfin_device_gpiokeys = {
409         .name      = "gpio-keys",
410         .dev = {
411                 .platform_data = &bfin_gpio_keys_data,
412         },
413 };
414 #endif
415
416 static struct resource bfin_gpios_resources = {
417         .start = 0,
418         .end   = MAX_BLACKFIN_GPIOS - 1,
419         .flags = IORESOURCE_IRQ,
420 };
421
422 static struct platform_device bfin_gpios_device = {
423         .name = "simple-gpio",
424         .id = -1,
425         .num_resources = 1,
426         .resource = &bfin_gpios_resources,
427 };
428
429 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
430 #include <linux/i2c-gpio.h>
431
432 static struct i2c_gpio_platform_data i2c_gpio_data = {
433         .sda_pin                = 2,
434         .scl_pin                = 3,
435         .sda_is_open_drain      = 0,
436         .scl_is_open_drain      = 0,
437         .udelay                 = 40,
438 };
439
440 static struct platform_device i2c_gpio_device = {
441         .name           = "i2c-gpio",
442         .id             = 0,
443         .dev            = {
444                 .platform_data  = &i2c_gpio_data,
445         },
446 };
447 #endif
448
449 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
450 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
451         {
452                 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
453                 .irq = 39,
454         },
455 #endif
456 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
457         {
458                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
459         },
460 #endif
461 #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
462         {
463                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
464                 .irq = 39,
465         },
466 #endif
467 };
468
469 static const unsigned int cclk_vlev_datasheet[] =
470 {
471         VRPAIR(VLEV_085, 250000000),
472         VRPAIR(VLEV_090, 376000000),
473         VRPAIR(VLEV_095, 426000000),
474         VRPAIR(VLEV_100, 426000000),
475         VRPAIR(VLEV_105, 476000000),
476         VRPAIR(VLEV_110, 476000000),
477         VRPAIR(VLEV_115, 476000000),
478         VRPAIR(VLEV_120, 600000000),
479         VRPAIR(VLEV_125, 600000000),
480         VRPAIR(VLEV_130, 600000000),
481 };
482
483 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
484         .tuple_tab = cclk_vlev_datasheet,
485         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
486         .vr_settling_time = 25 /* us */,
487 };
488
489 static struct platform_device bfin_dpmc = {
490         .name = "bfin dpmc",
491         .dev = {
492                 .platform_data = &bfin_dmpc_vreg_data,
493         },
494 };
495
496 static struct platform_device *stamp_devices[] __initdata = {
497
498         &bfin_dpmc,
499
500 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
501         &rtc_device,
502 #endif
503
504 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
505         &smc91x_device,
506 #endif
507
508 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
509         &bfin_fb_adv7393_device,
510 #endif
511
512 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
513         &net2272_bfin_device,
514 #endif
515
516 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
517         &bfin_spi0_device,
518 #endif
519
520 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
521         &bfin_uart_device,
522 #endif
523
524 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
525 #ifdef CONFIG_BFIN_SIR0
526         &bfin_sir0_device,
527 #endif
528 #endif
529
530 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
531         &bfin_sport0_uart_device,
532         &bfin_sport1_uart_device,
533 #endif
534
535 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
536         &bfin_device_gpiokeys,
537 #endif
538
539 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
540         &i2c_gpio_device,
541 #endif
542
543         &bfin_gpios_device,
544
545 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
546         &stamp_flash_device,
547 #endif
548 };
549
550 static int __init stamp_init(void)
551 {
552         int ret;
553
554         printk(KERN_INFO "%s(): registering device resources\n", __func__);
555
556         i2c_register_board_info(0, bfin_i2c_board_info,
557                                 ARRAY_SIZE(bfin_i2c_board_info));
558
559         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
560         if (ret < 0)
561                 return ret;
562
563 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
564         /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
565         bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
566         bfin_write_FIO_FLAG_S(PF0);
567         SSYNC();
568 #endif
569
570         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
571         return 0;
572 }
573
574 arch_initcall(stamp_init);
575
576 void native_machine_restart(char *cmd)
577 {
578         /* workaround pull up on cpld / flash pin not being strong enough */
579         bfin_write_FIO_INEN(~PF0);
580         bfin_write_FIO_DIR(PF0);
581         bfin_write_FIO_FLAG_C(PF0);
582 }