Merge git://git.infradead.org/mtd-2.6
[linux-2.6] / arch / blackfin / mach-bf561 / boards / ezkit.c
1 /*
2  * File:         arch/blackfin/mach-bf561/ezkit.c
3  * Based on:
4  * Author:
5  *
6  * Created:
7  * Description:
8  *
9  * Modified:
10  *               Copyright 2004-2006 Analog Devices Inc.
11  *
12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
13  *
14  * This program is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License as published by
16  * the Free Software Foundation; either version 2 of the License, or
17  * (at your option) any later version.
18  *
19  * This program is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22  * GNU General Public License for more details.
23  *
24  * You should have received a copy of the GNU General Public License
25  * along with this program; if not, see the file COPYING, or write
26  * to the Free Software Foundation, Inc.,
27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
28  */
29
30 #include <linux/device.h>
31 #include <linux/platform_device.h>
32 #include <linux/mtd/mtd.h>
33 #include <linux/mtd/partitions.h>
34 #include <linux/mtd/physmap.h>
35 #include <linux/spi/spi.h>
36 #include <linux/irq.h>
37 #include <linux/interrupt.h>
38 #include <asm/dma.h>
39 #include <asm/bfin5xx_spi.h>
40 #include <asm/portmux.h>
41 #include <asm/dpmc.h>
42
43 /*
44  * Name the Board for the /proc/cpuinfo
45  */
46 const char bfin_board_name[] = "ADI BF561-EZKIT";
47
48 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
49 #include <linux/usb/isp1760.h>
50 static struct resource bfin_isp1760_resources[] = {
51         [0] = {
52                 .start  = 0x2C0F0000,
53                 .end    = 0x203C0000 + 0xfffff,
54                 .flags  = IORESOURCE_MEM,
55         },
56         [1] = {
57                 .start  = IRQ_PF10,
58                 .end    = IRQ_PF10,
59                 .flags  = IORESOURCE_IRQ,
60         },
61 };
62
63 static struct isp1760_platform_data isp1760_priv = {
64         .is_isp1761 = 0,
65         .port1_disable = 0,
66         .bus_width_16 = 1,
67         .port1_otg = 0,
68         .analog_oc = 0,
69         .dack_polarity_high = 0,
70         .dreq_polarity_high = 0,
71 };
72
73 static struct platform_device bfin_isp1760_device = {
74         .name           = "isp1760-hcd",
75         .id             = 0,
76         .dev = {
77                 .platform_data = &isp1760_priv,
78         },
79         .num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
80         .resource       = bfin_isp1760_resources,
81 };
82 #endif
83
84 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
85 #include <linux/usb/isp1362.h>
86
87 static struct resource isp1362_hcd_resources[] = {
88         {
89                 .start = 0x2c060000,
90                 .end = 0x2c060000,
91                 .flags = IORESOURCE_MEM,
92         }, {
93                 .start = 0x2c060004,
94                 .end = 0x2c060004,
95                 .flags = IORESOURCE_MEM,
96         }, {
97                 .start = IRQ_PF8,
98                 .end = IRQ_PF8,
99                 .flags = IORESOURCE_IRQ,
100         },
101 };
102
103 static struct isp1362_platform_data isp1362_priv = {
104         .sel15Kres = 1,
105         .clknotstop = 0,
106         .oc_enable = 0,
107         .int_act_high = 0,
108         .int_edge_triggered = 0,
109         .remote_wakeup_connected = 0,
110         .no_power_switching = 1,
111         .power_switching_mode = 0,
112 };
113
114 static struct platform_device isp1362_hcd_device = {
115         .name = "isp1362-hcd",
116         .id = 0,
117         .dev = {
118                 .platform_data = &isp1362_priv,
119         },
120         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
121         .resource = isp1362_hcd_resources,
122 };
123 #endif
124
125 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
126 static struct resource net2272_bfin_resources[] = {
127         {
128                 .start = 0x2C000000,
129                 .end = 0x2C000000 + 0x7F,
130                 .flags = IORESOURCE_MEM,
131         }, {
132                 .start = IRQ_PF10,
133                 .end = IRQ_PF10,
134                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
135         },
136 };
137
138 static struct platform_device net2272_bfin_device = {
139         .name = "net2272",
140         .id = -1,
141         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
142         .resource = net2272_bfin_resources,
143 };
144 #endif
145
146 /*
147  *  USB-LAN EzExtender board
148  *  Driver needs to know address, irq and flag pin.
149  */
150 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
151 static struct resource smc91x_resources[] = {
152         {
153                 .name = "smc91x-regs",
154                 .start = 0x2C010300,
155                 .end = 0x2C010300 + 16,
156                 .flags = IORESOURCE_MEM,
157         }, {
158
159                 .start = IRQ_PF9,
160                 .end = IRQ_PF9,
161                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
162         },
163 };
164
165 static struct platform_device smc91x_device = {
166         .name = "smc91x",
167         .id = 0,
168         .num_resources = ARRAY_SIZE(smc91x_resources),
169         .resource = smc91x_resources,
170 };
171 #endif
172
173 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
174 static struct resource ax88180_resources[] = {
175         [0] = {
176                 .start  = 0x2c000000,
177                 .end    = 0x2c000000 + 0x8000,
178                 .flags  = IORESOURCE_MEM,
179         },
180         [1] = {
181                 .start  = IRQ_PF10,
182                 .end    = IRQ_PF10,
183                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL),
184         },
185 };
186
187 static struct platform_device ax88180_device = {
188         .name           = "ax88180",
189         .id             = -1,
190         .num_resources  = ARRAY_SIZE(ax88180_resources),
191         .resource       = ax88180_resources,
192 };
193 #endif
194
195 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
196 static struct resource bfin_uart_resources[] = {
197         {
198                 .start = 0xFFC00400,
199                 .end = 0xFFC004FF,
200                 .flags = IORESOURCE_MEM,
201         },
202 };
203
204 static struct platform_device bfin_uart_device = {
205         .name = "bfin-uart",
206         .id = 1,
207         .num_resources = ARRAY_SIZE(bfin_uart_resources),
208         .resource = bfin_uart_resources,
209 };
210 #endif
211
212 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
213 #ifdef CONFIG_BFIN_SIR0
214 static struct resource bfin_sir0_resources[] = {
215         {
216                 .start = 0xFFC00400,
217                 .end = 0xFFC004FF,
218                 .flags = IORESOURCE_MEM,
219         },
220         {
221                 .start = IRQ_UART0_RX,
222                 .end = IRQ_UART0_RX+1,
223                 .flags = IORESOURCE_IRQ,
224         },
225         {
226                 .start = CH_UART0_RX,
227                 .end = CH_UART0_RX+1,
228                 .flags = IORESOURCE_DMA,
229         },
230 };
231
232 static struct platform_device bfin_sir0_device = {
233         .name = "bfin_sir",
234         .id = 0,
235         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
236         .resource = bfin_sir0_resources,
237 };
238 #endif
239 #endif
240
241 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
242 static struct mtd_partition ezkit_partitions[] = {
243         {
244                 .name       = "bootloader(nor)",
245                 .size       = 0x40000,
246                 .offset     = 0,
247         }, {
248                 .name       = "linux kernel(nor)",
249                 .size       = 0x1C0000,
250                 .offset     = MTDPART_OFS_APPEND,
251         }, {
252                 .name       = "file system(nor)",
253                 .size       = MTDPART_SIZ_FULL,
254                 .offset     = MTDPART_OFS_APPEND,
255         }
256 };
257
258 static struct physmap_flash_data ezkit_flash_data = {
259         .width      = 2,
260         .parts      = ezkit_partitions,
261         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
262 };
263
264 static struct resource ezkit_flash_resource = {
265         .start = 0x20000000,
266         .end   = 0x207fffff,
267         .flags = IORESOURCE_MEM,
268 };
269
270 static struct platform_device ezkit_flash_device = {
271         .name          = "physmap-flash",
272         .id            = 0,
273         .dev = {
274                 .platform_data = &ezkit_flash_data,
275         },
276         .num_resources = 1,
277         .resource      = &ezkit_flash_resource,
278 };
279 #endif
280
281 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
282         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
283 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
284         .enable_dma = 0,
285         .bits_per_word = 16,
286 };
287 #endif
288
289 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
290 static struct bfin5xx_spi_chip spidev_chip_info = {
291         .enable_dma = 0,
292         .bits_per_word = 8,
293 };
294 #endif
295
296 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
297 /* SPI (0) */
298 static struct resource bfin_spi0_resource[] = {
299         [0] = {
300                 .start = SPI0_REGBASE,
301                 .end   = SPI0_REGBASE + 0xFF,
302                 .flags = IORESOURCE_MEM,
303         },
304         [1] = {
305                 .start = CH_SPI,
306                 .end   = CH_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
328
329 static struct spi_board_info bfin_spi_board_info[] __initdata = {
330 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
331         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
332         {
333                 .modalias = "ad1836-spi",
334                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
335                 .bus_num = 0,
336                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
337                 .controller_data = &ad1836_spi_chip_info,
338         },
339 #endif
340 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
341         {
342                 .modalias = "spidev",
343                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
344                 .bus_num = 0,
345                 .chip_select = 1,
346                 .controller_data = &spidev_chip_info,
347         },
348 #endif
349 };
350
351 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
352 #include <linux/input.h>
353 #include <linux/gpio_keys.h>
354
355 static struct gpio_keys_button bfin_gpio_keys_table[] = {
356         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
357         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
358         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
359         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
360 };
361
362 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
363         .buttons        = bfin_gpio_keys_table,
364         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
365 };
366
367 static struct platform_device bfin_device_gpiokeys = {
368         .name      = "gpio-keys",
369         .dev = {
370                 .platform_data = &bfin_gpio_keys_data,
371         },
372 };
373 #endif
374
375 static struct resource bfin_gpios_resources = {
376         .start = 0,
377         .end   = MAX_BLACKFIN_GPIOS - 1,
378         .flags = IORESOURCE_IRQ,
379 };
380
381 static struct platform_device bfin_gpios_device = {
382         .name = "simple-gpio",
383         .id = -1,
384         .num_resources = 1,
385         .resource = &bfin_gpios_resources,
386 };
387
388 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
389 #include <linux/i2c-gpio.h>
390
391 static struct i2c_gpio_platform_data i2c_gpio_data = {
392         .sda_pin                = 1,
393         .scl_pin                = 0,
394         .sda_is_open_drain      = 0,
395         .scl_is_open_drain      = 0,
396         .udelay                 = 40,
397 };
398
399 static struct platform_device i2c_gpio_device = {
400         .name           = "i2c-gpio",
401         .id             = 0,
402         .dev            = {
403                 .platform_data  = &i2c_gpio_data,
404         },
405 };
406 #endif
407
408 static const unsigned int cclk_vlev_datasheet[] =
409 {
410         VRPAIR(VLEV_085, 250000000),
411         VRPAIR(VLEV_090, 300000000),
412         VRPAIR(VLEV_095, 313000000),
413         VRPAIR(VLEV_100, 350000000),
414         VRPAIR(VLEV_105, 400000000),
415         VRPAIR(VLEV_110, 444000000),
416         VRPAIR(VLEV_115, 450000000),
417         VRPAIR(VLEV_120, 475000000),
418         VRPAIR(VLEV_125, 500000000),
419         VRPAIR(VLEV_130, 600000000),
420 };
421
422 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
423         .tuple_tab = cclk_vlev_datasheet,
424         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
425         .vr_settling_time = 25 /* us */,
426 };
427
428 static struct platform_device bfin_dpmc = {
429         .name = "bfin dpmc",
430         .dev = {
431                 .platform_data = &bfin_dmpc_vreg_data,
432         },
433 };
434
435 static struct platform_device *ezkit_devices[] __initdata = {
436
437         &bfin_dpmc,
438
439 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
440         &smc91x_device,
441 #endif
442
443 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
444         &ax88180_device,
445 #endif
446
447 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
448         &net2272_bfin_device,
449 #endif
450
451 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
452         &bfin_isp1760_device,
453 #endif
454
455 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
456         &bfin_spi0_device,
457 #endif
458
459 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
460         &bfin_uart_device,
461 #endif
462
463 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
464 #ifdef CONFIG_BFIN_SIR0
465         &bfin_sir0_device,
466 #endif
467 #endif
468
469 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
470         &bfin_device_gpiokeys,
471 #endif
472
473 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
474         &i2c_gpio_device,
475 #endif
476
477 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
478         &isp1362_hcd_device,
479 #endif
480
481         &bfin_gpios_device,
482
483 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
484         &ezkit_flash_device,
485 #endif
486 };
487
488 static int __init ezkit_init(void)
489 {
490         int ret;
491
492         printk(KERN_INFO "%s(): registering device resources\n", __func__);
493
494         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
495         if (ret < 0)
496                 return ret;
497
498 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
499         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
500         SSYNC();
501 #endif
502
503         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
504         return 0;
505 }
506
507 arch_initcall(ezkit_init);