[Blackfin] arch: Encourage users to use the spidev character driver: Provide platform...
[linux-2.6.git] / 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 <linux/ata_platform.h>
39 #include <asm/dma.h>
40 #include <asm/bfin5xx_spi.h>
41 #include <asm/portmux.h>
42
43 /*
44  * Name the Board for the /proc/cpuinfo
45  */
46 const char bfin_board_name[] = "ADDS-BF561-EZKIT";
47
48 #define ISP1761_BASE       0x2C0F0000
49 #define ISP1761_IRQ        IRQ_PF10
50
51 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
52 static struct resource bfin_isp1761_resources[] = {
53         {
54                 .name   = "isp1761-regs",
55                 .start  = ISP1761_BASE + 0x00000000,
56                 .end    = ISP1761_BASE + 0x000fffff,
57                 .flags  = IORESOURCE_MEM,
58         },
59         {
60                 .start  = ISP1761_IRQ,
61                 .end    = ISP1761_IRQ,
62                 .flags  = IORESOURCE_IRQ,
63         },
64 };
65
66 static struct platform_device bfin_isp1761_device = {
67         .name           = "isp1761",
68         .id             = 0,
69         .num_resources  = ARRAY_SIZE(bfin_isp1761_resources),
70         .resource       = bfin_isp1761_resources,
71 };
72
73 static struct platform_device *bfin_isp1761_devices[] = {
74         &bfin_isp1761_device,
75 };
76
77 int __init bfin_isp1761_init(void)
78 {
79         unsigned int num_devices = ARRAY_SIZE(bfin_isp1761_devices);
80
81         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
82         set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
83
84         return platform_add_devices(bfin_isp1761_devices, num_devices);
85 }
86
87 void __exit bfin_isp1761_exit(void)
88 {
89         platform_device_unregister(&bfin_isp1761_device);
90 }
91
92 arch_initcall(bfin_isp1761_init);
93 #endif
94
95 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
96 #include <linux/usb/isp1362.h>
97
98 static struct resource isp1362_hcd_resources[] = {
99         {
100                 .start = 0x2c060000,
101                 .end = 0x2c060000,
102                 .flags = IORESOURCE_MEM,
103         }, {
104                 .start = 0x2c060004,
105                 .end = 0x2c060004,
106                 .flags = IORESOURCE_MEM,
107         }, {
108                 .start = IRQ_PF8,
109                 .end = IRQ_PF8,
110                 .flags = IORESOURCE_IRQ,
111         },
112 };
113
114 static struct isp1362_platform_data isp1362_priv = {
115         .sel15Kres = 1,
116         .clknotstop = 0,
117         .oc_enable = 0,
118         .int_act_high = 0,
119         .int_edge_triggered = 0,
120         .remote_wakeup_connected = 0,
121         .no_power_switching = 1,
122         .power_switching_mode = 0,
123 };
124
125 static struct platform_device isp1362_hcd_device = {
126         .name = "isp1362-hcd",
127         .id = 0,
128         .dev = {
129                 .platform_data = &isp1362_priv,
130         },
131         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
132         .resource = isp1362_hcd_resources,
133 };
134 #endif
135
136 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
137 static struct resource net2272_bfin_resources[] = {
138         {
139                 .start = 0x2C000000,
140                 .end = 0x2C000000 + 0x7F,
141                 .flags = IORESOURCE_MEM,
142         }, {
143                 .start = IRQ_PF10,
144                 .end = IRQ_PF10,
145                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
146         },
147 };
148
149 static struct platform_device net2272_bfin_device = {
150         .name = "net2272",
151         .id = -1,
152         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
153         .resource = net2272_bfin_resources,
154 };
155 #endif
156
157 /*
158  *  USB-LAN EzExtender board
159  *  Driver needs to know address, irq and flag pin.
160  */
161 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
162 static struct resource smc91x_resources[] = {
163         {
164                 .name = "smc91x-regs",
165                 .start = 0x2C010300,
166                 .end = 0x2C010300 + 16,
167                 .flags = IORESOURCE_MEM,
168         }, {
169
170                 .start = IRQ_PF9,
171                 .end = IRQ_PF9,
172                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
173         },
174 };
175
176 static struct platform_device smc91x_device = {
177         .name = "smc91x",
178         .id = 0,
179         .num_resources = ARRAY_SIZE(smc91x_resources),
180         .resource = smc91x_resources,
181 };
182 #endif
183
184 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
185 static struct resource ax88180_resources[] = {
186         [0] = {
187                 .start  = 0x2c000000,
188                 .end    = 0x2c000000 + 0x8000,
189                 .flags  = IORESOURCE_MEM,
190         },
191         [1] = {
192                 .start  = IRQ_PF10,
193                 .end    = IRQ_PF10,
194                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL),
195         },
196 };
197
198 static struct platform_device ax88180_device = {
199         .name           = "ax88180",
200         .id             = -1,
201         .num_resources  = ARRAY_SIZE(ax88180_resources),
202         .resource       = ax88180_resources,
203 };
204 #endif
205
206 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
207 static struct resource bfin_uart_resources[] = {
208         {
209                 .start = 0xFFC00400,
210                 .end = 0xFFC004FF,
211                 .flags = IORESOURCE_MEM,
212         },
213 };
214
215 static struct platform_device bfin_uart_device = {
216         .name = "bfin-uart",
217         .id = 1,
218         .num_resources = ARRAY_SIZE(bfin_uart_resources),
219         .resource = bfin_uart_resources,
220 };
221 #endif
222
223 static struct mtd_partition ezkit_partitions[] = {
224         {
225                 .name       = "Bootloader",
226                 .size       = 0x20000,
227                 .offset     = 0,
228         }, {
229                 .name       = "Kernel",
230                 .size       = 0xE0000,
231                 .offset     = MTDPART_OFS_APPEND,
232         }, {
233                 .name       = "RootFS",
234                 .size       = MTDPART_SIZ_FULL,
235                 .offset     = MTDPART_OFS_APPEND,
236         }
237 };
238
239 static struct physmap_flash_data ezkit_flash_data = {
240         .width      = 2,
241         .parts      = ezkit_partitions,
242         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
243 };
244
245 static struct resource ezkit_flash_resource = {
246         .start = 0x20000000,
247         .end   = 0x207fffff,
248         .flags = IORESOURCE_MEM,
249 };
250
251 static struct platform_device ezkit_flash_device = {
252         .name          = "physmap-flash",
253         .id            = 0,
254         .dev = {
255                 .platform_data = &ezkit_flash_data,
256         },
257         .num_resources = 1,
258         .resource      = &ezkit_flash_resource,
259 };
260
261 #ifdef CONFIG_SPI_BFIN
262 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
263         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
264 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
265         .enable_dma = 0,
266         .bits_per_word = 16,
267 };
268 #endif
269
270 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
271 static struct bfin5xx_spi_chip spidev_chip_info = {
272         .enable_dma = 0,
273         .bits_per_word = 8,
274 };
275 #endif
276 #endif
277
278 /* SPI (0) */
279 static struct resource bfin_spi0_resource[] = {
280         [0] = {
281                 .start = SPI0_REGBASE,
282                 .end   = SPI0_REGBASE + 0xFF,
283                 .flags = IORESOURCE_MEM,
284         },
285         [1] = {
286                 .start = CH_SPI,
287                 .end   = CH_SPI,
288                 .flags = IORESOURCE_IRQ,
289         }
290 };
291
292 /* SPI controller data */
293 static struct bfin5xx_spi_master bfin_spi0_info = {
294         .num_chipselect = 8,
295         .enable_dma = 1,  /* master has the ability to do dma transfer */
296         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
297 };
298
299 static struct platform_device bfin_spi0_device = {
300         .name = "bfin-spi",
301         .id = 0, /* Bus number */
302         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
303         .resource = bfin_spi0_resource,
304         .dev = {
305                 .platform_data = &bfin_spi0_info, /* Passed to driver */
306         },
307 };
308
309 static struct spi_board_info bfin_spi_board_info[] __initdata = {
310 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
311         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
312         {
313                 .modalias = "ad1836-spi",
314                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
315                 .bus_num = 0,
316                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
317                 .controller_data = &ad1836_spi_chip_info,
318         },
319 #endif
320 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
321         {
322                 .modalias = "spidev",
323                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
324                 .bus_num = 0,
325                 .chip_select = 1,
326                 .controller_data = &spidev_chip_info,
327         },
328 #endif
329 };
330
331 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
332 #define PATA_INT        55
333
334 static struct pata_platform_info bfin_pata_platform_data = {
335         .ioport_shift = 1,
336         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
337 };
338
339 static struct resource bfin_pata_resources[] = {
340         {
341                 .start = 0x20314020,
342                 .end = 0x2031403F,
343                 .flags = IORESOURCE_MEM,
344         },
345         {
346                 .start = 0x2031401C,
347                 .end = 0x2031401F,
348                 .flags = IORESOURCE_MEM,
349         },
350         {
351                 .start = PATA_INT,
352                 .end = PATA_INT,
353                 .flags = IORESOURCE_IRQ,
354         },
355 };
356
357 static struct platform_device bfin_pata_device = {
358         .name = "pata_platform",
359         .id = -1,
360         .num_resources = ARRAY_SIZE(bfin_pata_resources),
361         .resource = bfin_pata_resources,
362         .dev = {
363                 .platform_data = &bfin_pata_platform_data,
364         }
365 };
366 #endif
367
368 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
369 #include <linux/input.h>
370 #include <linux/gpio_keys.h>
371
372 static struct gpio_keys_button bfin_gpio_keys_table[] = {
373         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
374         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
375         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
376         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
377 };
378
379 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
380         .buttons        = bfin_gpio_keys_table,
381         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
382 };
383
384 static struct platform_device bfin_device_gpiokeys = {
385         .name      = "gpio-keys",
386         .dev = {
387                 .platform_data = &bfin_gpio_keys_data,
388         },
389 };
390 #endif
391
392 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
393 #include <linux/i2c-gpio.h>
394
395 static struct i2c_gpio_platform_data i2c_gpio_data = {
396         .sda_pin                = 1,
397         .scl_pin                = 0,
398         .sda_is_open_drain      = 0,
399         .scl_is_open_drain      = 0,
400         .udelay                 = 40,
401 };
402
403 static struct platform_device i2c_gpio_device = {
404         .name           = "i2c-gpio",
405         .id             = 0,
406         .dev            = {
407                 .platform_data  = &i2c_gpio_data,
408         },
409 };
410 #endif
411
412 static struct platform_device *ezkit_devices[] __initdata = {
413 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
414         &smc91x_device,
415 #endif
416
417 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
418         &ax88180_device,
419 #endif
420
421 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
422         &net2272_bfin_device,
423 #endif
424
425 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
426         &bfin_spi0_device,
427 #endif
428
429 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
430         &bfin_uart_device,
431 #endif
432
433 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
434         &bfin_pata_device,
435 #endif
436
437 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
438         &bfin_device_gpiokeys,
439 #endif
440
441 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
442         &i2c_gpio_device,
443 #endif
444
445 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
446         &isp1362_hcd_device,
447 #endif
448
449         &ezkit_flash_device,
450 };
451
452 static int __init ezkit_init(void)
453 {
454         int ret;
455
456         printk(KERN_INFO "%s(): registering device resources\n", __func__);
457
458         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
459         if (ret < 0)
460                 return ret;
461
462 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
463         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
464         SSYNC();
465 #endif
466
467 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
468         spi_register_board_info(bfin_spi_board_info,
469                                 ARRAY_SIZE(bfin_spi_board_info));
470 #endif
471
472 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
473         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
474 #endif
475         return 0;
476 }
477
478 arch_initcall(ezkit_init);