Blackfin arch: get oprofile work for user space
[linux-2.6.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 static struct resource bfin_sir_resources[] = {
99 #ifdef CONFIG_BFIN_SIR0
100         {
101                 .start = 0xFFC00400,
102                 .end = 0xFFC004FF,
103                 .flags = IORESOURCE_MEM,
104         },
105 #endif
106 #ifdef CONFIG_BFIN_SIR1
107         {
108                 .start = 0xFFC02000,
109                 .end = 0xFFC020FF,
110                 .flags = IORESOURCE_MEM,
111         },
112 #endif
113 #ifdef CONFIG_BFIN_SIR2
114         {
115                 .start = 0xFFC02100,
116                 .end = 0xFFC021FF,
117                 .flags = IORESOURCE_MEM,
118         },
119 #endif
120 };
121
122 static struct platform_device bfin_sir_device = {
123         .name = "bfin_sir",
124         .id = 0,
125         .num_resources = ARRAY_SIZE(bfin_sir_resources),
126         .resource = bfin_sir_resources,
127 };
128 #endif
129
130 /*
131  *  USB-LAN EzExtender board
132  *  Driver needs to know address, irq and flag pin.
133  */
134 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
135 static struct resource smc91x_resources[] = {
136         {
137                 .name = "smc91x-regs",
138                 .start = 0x20310300,
139                 .end = 0x20310300 + 16,
140                 .flags = IORESOURCE_MEM,
141         }, {
142                 .start = IRQ_PF0,
143                 .end = IRQ_PF0,
144                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
145         },
146 };
147 static struct platform_device smc91x_device = {
148         .name = "smc91x",
149         .id = 0,
150         .num_resources = ARRAY_SIZE(smc91x_resources),
151         .resource = smc91x_resources,
152 };
153 #endif
154
155 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
156 /* all SPI peripherals info goes here */
157 #if defined(CONFIG_MTD_M25P80) \
158         || defined(CONFIG_MTD_M25P80_MODULE)
159 /* SPI flash chip (m25p16) */
160 static struct mtd_partition bfin_spi_flash_partitions[] = {
161         {
162                 .name = "bootloader(spi)",
163                 .size = 0x00040000,
164                 .offset = 0,
165                 .mask_flags = MTD_CAP_ROM
166         }, {
167                 .name = "linux kernel(spi)",
168                 .size = 0x1c0000,
169                 .offset = 0x40000
170         }
171 };
172
173 static struct flash_platform_data bfin_spi_flash_data = {
174         .name = "m25p80",
175         .parts = bfin_spi_flash_partitions,
176         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
177         .type = "m25p16",
178 };
179
180 static struct bfin5xx_spi_chip spi_flash_chip_info = {
181         .enable_dma = 0,         /* use dma transfer with this chip*/
182         .bits_per_word = 8,
183         .cs_change_per_word = 0,
184 };
185 #endif
186
187 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
188 #include <linux/spi/ad7879.h>
189 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
190         .model                  = 7879, /* Model = AD7879 */
191         .x_plate_ohms           = 620,  /* 620 Ohm from the touch datasheet */
192         .pressure_max           = 10000,
193         .pressure_min           = 0,
194         .first_conversion_delay = 3,    /* wait 512us before do a first conversion */
195         .acquisition_time       = 1,    /* 4us acquisition time per sample */
196         .median                 = 2,    /* do 8 measurements */
197         .averaging              = 1,    /* take the average of 4 middle samples */
198         .pen_down_acc_interval  = 255,  /* 9.4 ms */
199         .gpio_output            = 1,    /* configure AUX/VBAT/GPIO as GPIO output */
200         .gpio_default           = 1,    /* During initialization set GPIO = HIGH */
201 };
202 #endif
203
204 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
205 static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
206         .enable_dma = 0,
207         .bits_per_word = 16,
208 };
209 #endif
210
211 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
212 #include <asm/bfin-lq035q1.h>
213
214 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
215         .mode =         LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
216         .use_bl =       0,      /* let something else control the LCD Blacklight */
217         .gpio_bl =      GPIO_PF7,
218 };
219
220 static struct resource bfin_lq035q1_resources[] = {
221         {
222                 .start = IRQ_PPI_ERROR,
223                 .end = IRQ_PPI_ERROR,
224                 .flags = IORESOURCE_IRQ,
225         },
226 };
227
228 static struct platform_device bfin_lq035q1_device = {
229         .name           = "bfin-lq035q1",
230         .id             = -1,
231         .num_resources  = ARRAY_SIZE(bfin_lq035q1_resources),
232         .resource       = bfin_lq035q1_resources,
233         .dev            = {
234                 .platform_data = &bfin_lq035q1_data,
235         },
236 };
237 #endif
238
239 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
240 static struct bfin5xx_spi_chip spidev_chip_info = {
241         .enable_dma = 0,
242         .bits_per_word = 8,
243 };
244 #endif
245
246 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
247 static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
248         .enable_dma     = 0,
249         .bits_per_word  = 8,
250 };
251 #endif
252
253 static struct spi_board_info bf538_spi_board_info[] __initdata = {
254 #if defined(CONFIG_MTD_M25P80) \
255         || defined(CONFIG_MTD_M25P80_MODULE)
256         {
257                 /* the modalias must be the same as spi device driver name */
258                 .modalias = "m25p80", /* Name of spi_driver for this device */
259                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
260                 .bus_num = 0, /* Framework bus number */
261                 .chip_select = 1, /* SPI_SSEL1*/
262                 .platform_data = &bfin_spi_flash_data,
263                 .controller_data = &spi_flash_chip_info,
264                 .mode = SPI_MODE_3,
265         },
266 #endif
267 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
268         {
269                 .modalias = "ad7879",
270                 .platform_data = &bfin_ad7879_ts_info,
271                 .irq = IRQ_PF3,
272                 .max_speed_hz = 5000000,     /* max spi clock (SCK) speed in HZ */
273                 .bus_num = 0,
274                 .chip_select = 1,
275                 .controller_data = &spi_ad7879_chip_info,
276                 .mode = SPI_CPHA | SPI_CPOL,
277         },
278 #endif
279 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
280         {
281                 .modalias = "bfin-lq035q1-spi",
282                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
283                 .bus_num = 0,
284                 .chip_select = 2,
285                 .controller_data = &lq035q1_spi_chip_info,
286                 .mode = SPI_CPHA | SPI_CPOL,
287         },
288 #endif
289 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
290         {
291                 .modalias = "spidev",
292                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
293                 .bus_num = 0,
294                 .chip_select = 1,
295                 .controller_data = &spidev_chip_info,
296         },
297 #endif
298 };
299
300 /* SPI (0) */
301 static struct resource bfin_spi0_resource[] = {
302         [0] = {
303                 .start = SPI0_REGBASE,
304                 .end   = SPI0_REGBASE + 0xFF,
305                 .flags = IORESOURCE_MEM,
306         },
307         [1] = {
308                 .start = CH_SPI0,
309                 .end   = CH_SPI0,
310                 .flags = IORESOURCE_IRQ,
311         }
312 };
313
314 /* SPI (1) */
315 static struct resource bfin_spi1_resource[] = {
316         [0] = {
317                 .start = SPI1_REGBASE,
318                 .end   = SPI1_REGBASE + 0xFF,
319                 .flags = IORESOURCE_MEM,
320         },
321         [1] = {
322                 .start = CH_SPI1,
323                 .end   = CH_SPI1,
324                 .flags = IORESOURCE_IRQ,
325         }
326 };
327
328 /* SPI (2) */
329 static struct resource bfin_spi2_resource[] = {
330         [0] = {
331                 .start = SPI2_REGBASE,
332                 .end   = SPI2_REGBASE + 0xFF,
333                 .flags = IORESOURCE_MEM,
334         },
335         [1] = {
336                 .start = CH_SPI2,
337                 .end   = CH_SPI2,
338                 .flags = IORESOURCE_IRQ,
339         }
340 };
341
342 /* SPI controller data */
343 static struct bfin5xx_spi_master bf538_spi_master_info0 = {
344         .num_chipselect = 8,
345         .enable_dma = 1,  /* master has the ability to do dma transfer */
346         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
347 };
348
349 static struct platform_device bf538_spi_master0 = {
350         .name = "bfin-spi",
351         .id = 0, /* Bus number */
352         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
353         .resource = bfin_spi0_resource,
354         .dev = {
355                 .platform_data = &bf538_spi_master_info0, /* Passed to driver */
356                 },
357 };
358
359 static struct bfin5xx_spi_master bf538_spi_master_info1 = {
360         .num_chipselect = 8,
361         .enable_dma = 1,  /* master has the ability to do dma transfer */
362         .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
363 };
364
365 static struct platform_device bf538_spi_master1 = {
366         .name = "bfin-spi",
367         .id = 1, /* Bus number */
368         .num_resources = ARRAY_SIZE(bfin_spi1_resource),
369         .resource = bfin_spi1_resource,
370         .dev = {
371                 .platform_data = &bf538_spi_master_info1, /* Passed to driver */
372                 },
373 };
374
375 static struct bfin5xx_spi_master bf538_spi_master_info2 = {
376         .num_chipselect = 8,
377         .enable_dma = 1,  /* master has the ability to do dma transfer */
378         .pin_req = {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0},
379 };
380
381 static struct platform_device bf538_spi_master2 = {
382         .name = "bfin-spi",
383         .id = 2, /* Bus number */
384         .num_resources = ARRAY_SIZE(bfin_spi2_resource),
385         .resource = bfin_spi2_resource,
386         .dev = {
387                 .platform_data = &bf538_spi_master_info2, /* Passed to driver */
388                 },
389 };
390
391 #endif  /* spi master and devices */
392
393 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
394 static struct resource bfin_twi0_resource[] = {
395         [0] = {
396                 .start = TWI0_REGBASE,
397                 .end   = TWI0_REGBASE + 0xFF,
398                 .flags = IORESOURCE_MEM,
399         },
400         [1] = {
401                 .start = IRQ_TWI0,
402                 .end   = IRQ_TWI0,
403                 .flags = IORESOURCE_IRQ,
404         },
405 };
406
407 static struct platform_device i2c_bfin_twi0_device = {
408         .name = "i2c-bfin-twi",
409         .id = 0,
410         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
411         .resource = bfin_twi0_resource,
412 };
413
414 #if !defined(CONFIG_BF542)      /* The BF542 only has 1 TWI */
415 static struct resource bfin_twi1_resource[] = {
416         [0] = {
417                 .start = TWI1_REGBASE,
418                 .end   = TWI1_REGBASE + 0xFF,
419                 .flags = IORESOURCE_MEM,
420         },
421         [1] = {
422                 .start = IRQ_TWI1,
423                 .end   = IRQ_TWI1,
424                 .flags = IORESOURCE_IRQ,
425         },
426 };
427
428 static struct platform_device i2c_bfin_twi1_device = {
429         .name = "i2c-bfin-twi",
430         .id = 1,
431         .num_resources = ARRAY_SIZE(bfin_twi1_resource),
432         .resource = bfin_twi1_resource,
433 };
434 #endif
435 #endif
436
437 static struct resource bfin_gpios_resources = {
438         .start = 0,
439         .end   = MAX_BLACKFIN_GPIOS - 1,
440         .flags = IORESOURCE_IRQ,
441 };
442
443 static struct platform_device bfin_gpios_device = {
444         .name = "simple-gpio",
445         .id = -1,
446         .num_resources = 1,
447         .resource = &bfin_gpios_resources,
448 };
449
450 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
451 #include <linux/gpio_keys.h>
452
453 static struct gpio_keys_button bfin_gpio_keys_table[] = {
454         {BTN_0, GPIO_PC7, 1, "gpio-keys: BTN0"},
455 };
456
457 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
458         .buttons        = bfin_gpio_keys_table,
459         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
460 };
461
462 static struct platform_device bfin_device_gpiokeys = {
463         .name      = "gpio-keys",
464         .dev = {
465                 .platform_data = &bfin_gpio_keys_data,
466         },
467 };
468 #endif
469
470 static const unsigned int cclk_vlev_datasheet[] =
471 {
472 /*
473  * Internal VLEV BF538SBBC1533
474  ****temporarily using these values until data sheet is updated
475  */
476         VRPAIR(VLEV_100, 150000000),
477         VRPAIR(VLEV_100, 250000000),
478         VRPAIR(VLEV_110, 276000000),
479         VRPAIR(VLEV_115, 301000000),
480         VRPAIR(VLEV_120, 525000000),
481         VRPAIR(VLEV_125, 550000000),
482         VRPAIR(VLEV_130, 600000000),
483 };
484
485 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
486         .tuple_tab = cclk_vlev_datasheet,
487         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
488         .vr_settling_time = 25 /* us */,
489 };
490
491 static struct platform_device bfin_dpmc = {
492         .name = "bfin dpmc",
493         .dev = {
494                 .platform_data = &bfin_dmpc_vreg_data,
495         },
496 };
497
498 static struct platform_device *cm_bf538_devices[] __initdata = {
499
500         &bfin_dpmc,
501
502 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
503         &rtc_device,
504 #endif
505
506 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
507         &bfin_uart_device,
508 #endif
509
510 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
511         &bf538_spi_master0,
512         &bf538_spi_master1,
513         &bf538_spi_master2,
514 #endif
515
516 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
517         &i2c_bfin_twi0_device,
518         &i2c_bfin_twi1_device,
519 #endif
520
521 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
522         &bfin_sir_device,
523 #endif
524
525 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
526         &smc91x_device,
527 #endif
528
529 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
530         &bfin_lq035q1_device,
531 #endif
532
533 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
534         &bfin_device_gpiokeys,
535 #endif
536
537         &bfin_gpios_device,
538 };
539
540 static int __init ezkit_init(void)
541 {
542         printk(KERN_INFO "%s(): registering device resources\n", __func__);
543         platform_add_devices(cm_bf538_devices, ARRAY_SIZE(cm_bf538_devices));
544
545 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
546         spi_register_board_info(bf538_spi_board_info,
547                         ARRAY_SIZE(bf538_spi_board_info));
548 #endif
549
550         return 0;
551 }
552
553 arch_initcall(ezkit_init);