Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[linux-2.6.git] / arch / blackfin / mach-bf561 / boards / ezkit.c
1 /*
2  * Copyright 2004-2009 Analog Devices Inc.
3  *               2005 National ICT Australia (NICTA)
4  *                    Aidan Williams <aidan@nicta.com.au>
5  *
6  * Licensed under the GPL-2 or later.
7  */
8
9 #include <linux/device.h>
10 #include <linux/platform_device.h>
11 #include <linux/mtd/mtd.h>
12 #include <linux/mtd/partitions.h>
13 #include <linux/mtd/physmap.h>
14 #include <linux/spi/spi.h>
15 #include <linux/irq.h>
16 #include <linux/interrupt.h>
17 #include <asm/dma.h>
18 #include <asm/bfin5xx_spi.h>
19 #include <asm/portmux.h>
20 #include <asm/dpmc.h>
21
22 /*
23  * Name the Board for the /proc/cpuinfo
24  */
25 const char bfin_board_name[] = "ADI BF561-EZKIT";
26
27 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
28 #include <linux/usb/isp1760.h>
29 static struct resource bfin_isp1760_resources[] = {
30         [0] = {
31                 .start  = 0x2C0F0000,
32                 .end    = 0x203C0000 + 0xfffff,
33                 .flags  = IORESOURCE_MEM,
34         },
35         [1] = {
36                 .start  = IRQ_PF10,
37                 .end    = IRQ_PF10,
38                 .flags  = IORESOURCE_IRQ,
39         },
40 };
41
42 static struct isp1760_platform_data isp1760_priv = {
43         .is_isp1761 = 0,
44         .bus_width_16 = 1,
45         .port1_otg = 0,
46         .analog_oc = 0,
47         .dack_polarity_high = 0,
48         .dreq_polarity_high = 0,
49 };
50
51 static struct platform_device bfin_isp1760_device = {
52         .name           = "isp1760",
53         .id             = 0,
54         .dev = {
55                 .platform_data = &isp1760_priv,
56         },
57         .num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
58         .resource       = bfin_isp1760_resources,
59 };
60 #endif
61
62 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
63 #include <linux/usb/isp1362.h>
64
65 static struct resource isp1362_hcd_resources[] = {
66         {
67                 .start = 0x2c060000,
68                 .end = 0x2c060000,
69                 .flags = IORESOURCE_MEM,
70         }, {
71                 .start = 0x2c060004,
72                 .end = 0x2c060004,
73                 .flags = IORESOURCE_MEM,
74         }, {
75                 .start = IRQ_PF8,
76                 .end = IRQ_PF8,
77                 .flags = IORESOURCE_IRQ,
78         },
79 };
80
81 static struct isp1362_platform_data isp1362_priv = {
82         .sel15Kres = 1,
83         .clknotstop = 0,
84         .oc_enable = 0,
85         .int_act_high = 0,
86         .int_edge_triggered = 0,
87         .remote_wakeup_connected = 0,
88         .no_power_switching = 1,
89         .power_switching_mode = 0,
90 };
91
92 static struct platform_device isp1362_hcd_device = {
93         .name = "isp1362-hcd",
94         .id = 0,
95         .dev = {
96                 .platform_data = &isp1362_priv,
97         },
98         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
99         .resource = isp1362_hcd_resources,
100 };
101 #endif
102
103 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
104 static struct resource net2272_bfin_resources[] = {
105         {
106                 .start = 0x2C000000,
107                 .end = 0x2C000000 + 0x7F,
108                 .flags = IORESOURCE_MEM,
109         }, {
110                 .start = IRQ_PF10,
111                 .end = IRQ_PF10,
112                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
113         },
114 };
115
116 static struct platform_device net2272_bfin_device = {
117         .name = "net2272",
118         .id = -1,
119         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
120         .resource = net2272_bfin_resources,
121 };
122 #endif
123
124 /*
125  *  USB-LAN EzExtender board
126  *  Driver needs to know address, irq and flag pin.
127  */
128 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
129 #include <linux/smc91x.h>
130
131 static struct smc91x_platdata smc91x_info = {
132         .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
133         .leda = RPC_LED_100_10,
134         .ledb = RPC_LED_TX_RX,
135 };
136
137 static struct resource smc91x_resources[] = {
138         {
139                 .name = "smc91x-regs",
140                 .start = 0x2C010300,
141                 .end = 0x2C010300 + 16,
142                 .flags = IORESOURCE_MEM,
143         }, {
144
145                 .start = IRQ_PF9,
146                 .end = IRQ_PF9,
147                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
148         },
149 };
150
151 static struct platform_device smc91x_device = {
152         .name = "smc91x",
153         .id = 0,
154         .num_resources = ARRAY_SIZE(smc91x_resources),
155         .resource = smc91x_resources,
156         .dev    = {
157                 .platform_data  = &smc91x_info,
158         },
159 };
160 #endif
161
162 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
163 #ifdef CONFIG_SERIAL_BFIN_UART0
164 static struct resource bfin_uart0_resources[] = {
165         {
166                 .start = BFIN_UART_THR,
167                 .end = BFIN_UART_GCTL+2,
168                 .flags = IORESOURCE_MEM,
169         },
170         {
171                 .start = IRQ_UART_RX,
172                 .end = IRQ_UART_RX+1,
173                 .flags = IORESOURCE_IRQ,
174         },
175         {
176                 .start = IRQ_UART_ERROR,
177                 .end = IRQ_UART_ERROR,
178                 .flags = IORESOURCE_IRQ,
179         },
180         {
181                 .start = CH_UART_TX,
182                 .end = CH_UART_TX,
183                 .flags = IORESOURCE_DMA,
184         },
185         {
186                 .start = CH_UART_RX,
187                 .end = CH_UART_RX,
188                 .flags = IORESOURCE_DMA,
189         },
190 };
191
192 unsigned short bfin_uart0_peripherals[] = {
193         P_UART0_TX, P_UART0_RX, 0
194 };
195
196 static struct platform_device bfin_uart0_device = {
197         .name = "bfin-uart",
198         .id = 0,
199         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
200         .resource = bfin_uart0_resources,
201         .dev = {
202                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
203         },
204 };
205 #endif
206 #endif
207
208 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
209 #ifdef CONFIG_BFIN_SIR0
210 static struct resource bfin_sir0_resources[] = {
211         {
212                 .start = 0xFFC00400,
213                 .end = 0xFFC004FF,
214                 .flags = IORESOURCE_MEM,
215         },
216         {
217                 .start = IRQ_UART0_RX,
218                 .end = IRQ_UART0_RX+1,
219                 .flags = IORESOURCE_IRQ,
220         },
221         {
222                 .start = CH_UART0_RX,
223                 .end = CH_UART0_RX+1,
224                 .flags = IORESOURCE_DMA,
225         },
226 };
227
228 static struct platform_device bfin_sir0_device = {
229         .name = "bfin_sir",
230         .id = 0,
231         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
232         .resource = bfin_sir0_resources,
233 };
234 #endif
235 #endif
236
237 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
238 static struct mtd_partition ezkit_partitions[] = {
239         {
240                 .name       = "bootloader(nor)",
241                 .size       = 0x40000,
242                 .offset     = 0,
243         }, {
244                 .name       = "linux kernel(nor)",
245                 .size       = 0x1C0000,
246                 .offset     = MTDPART_OFS_APPEND,
247         }, {
248                 .name       = "file system(nor)",
249                 .size       = MTDPART_SIZ_FULL,
250                 .offset     = MTDPART_OFS_APPEND,
251         }
252 };
253
254 static struct physmap_flash_data ezkit_flash_data = {
255         .width      = 2,
256         .parts      = ezkit_partitions,
257         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
258 };
259
260 static struct resource ezkit_flash_resource = {
261         .start = 0x20000000,
262         .end   = 0x207fffff,
263         .flags = IORESOURCE_MEM,
264 };
265
266 static struct platform_device ezkit_flash_device = {
267         .name          = "physmap-flash",
268         .id            = 0,
269         .dev = {
270                 .platform_data = &ezkit_flash_data,
271         },
272         .num_resources = 1,
273         .resource      = &ezkit_flash_resource,
274 };
275 #endif
276
277 #if defined(CONFIG_SND_BLACKFIN_AD183X) \
278         || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
279 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
280         .enable_dma = 0,
281         .bits_per_word = 16,
282 };
283 #endif
284
285 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
286 static struct bfin5xx_spi_chip spidev_chip_info = {
287         .enable_dma = 0,
288         .bits_per_word = 8,
289 };
290 #endif
291
292 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
293 /* SPI (0) */
294 static struct resource bfin_spi0_resource[] = {
295         [0] = {
296                 .start = SPI0_REGBASE,
297                 .end   = SPI0_REGBASE + 0xFF,
298                 .flags = IORESOURCE_MEM,
299         },
300         [1] = {
301                 .start = CH_SPI,
302                 .end   = CH_SPI,
303                 .flags = IORESOURCE_DMA,
304         },
305         [2] = {
306                 .start = IRQ_SPI,
307                 .end   = IRQ_SPI,
308                 .flags = IORESOURCE_IRQ,
309         }
310 };
311
312 /* SPI controller data */
313 static struct bfin5xx_spi_master bfin_spi0_info = {
314         .num_chipselect = 8,
315         .enable_dma = 1,  /* master has the ability to do dma transfer */
316         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
317 };
318
319 static struct platform_device bfin_spi0_device = {
320         .name = "bfin-spi",
321         .id = 0, /* Bus number */
322         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
323         .resource = bfin_spi0_resource,
324         .dev = {
325                 .platform_data = &bfin_spi0_info, /* Passed to driver */
326         },
327 };
328 #endif
329
330 static struct spi_board_info bfin_spi_board_info[] __initdata = {
331 #if defined(CONFIG_SND_BLACKFIN_AD183X) \
332         || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
333         {
334                 .modalias = "ad1836",
335                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
336                 .bus_num = 0,
337                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
338                 .controller_data = &ad1836_spi_chip_info,
339         },
340 #endif
341 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
342         {
343                 .modalias = "spidev",
344                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
345                 .bus_num = 0,
346                 .chip_select = 1,
347                 .controller_data = &spidev_chip_info,
348         },
349 #endif
350 };
351
352 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
353 #include <linux/input.h>
354 #include <linux/gpio_keys.h>
355
356 static struct gpio_keys_button bfin_gpio_keys_table[] = {
357         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
358         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
359         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
360         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
361 };
362
363 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
364         .buttons        = bfin_gpio_keys_table,
365         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
366 };
367
368 static struct platform_device bfin_device_gpiokeys = {
369         .name      = "gpio-keys",
370         .dev = {
371                 .platform_data = &bfin_gpio_keys_data,
372         },
373 };
374 #endif
375
376 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
377 #include <linux/i2c-gpio.h>
378
379 static struct i2c_gpio_platform_data i2c_gpio_data = {
380         .sda_pin                = 1,
381         .scl_pin                = 0,
382         .sda_is_open_drain      = 0,
383         .scl_is_open_drain      = 0,
384         .udelay                 = 40,
385 };
386
387 static struct platform_device i2c_gpio_device = {
388         .name           = "i2c-gpio",
389         .id             = 0,
390         .dev            = {
391                 .platform_data  = &i2c_gpio_data,
392         },
393 };
394 #endif
395
396 static const unsigned int cclk_vlev_datasheet[] =
397 {
398         VRPAIR(VLEV_085, 250000000),
399         VRPAIR(VLEV_090, 300000000),
400         VRPAIR(VLEV_095, 313000000),
401         VRPAIR(VLEV_100, 350000000),
402         VRPAIR(VLEV_105, 400000000),
403         VRPAIR(VLEV_110, 444000000),
404         VRPAIR(VLEV_115, 450000000),
405         VRPAIR(VLEV_120, 475000000),
406         VRPAIR(VLEV_125, 500000000),
407         VRPAIR(VLEV_130, 600000000),
408 };
409
410 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
411         .tuple_tab = cclk_vlev_datasheet,
412         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
413         .vr_settling_time = 25 /* us */,
414 };
415
416 static struct platform_device bfin_dpmc = {
417         .name = "bfin dpmc",
418         .dev = {
419                 .platform_data = &bfin_dmpc_vreg_data,
420         },
421 };
422
423 static struct platform_device *ezkit_devices[] __initdata = {
424
425         &bfin_dpmc,
426
427 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
428         &smc91x_device,
429 #endif
430
431 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
432         &net2272_bfin_device,
433 #endif
434
435 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
436         &bfin_isp1760_device,
437 #endif
438
439 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
440         &bfin_spi0_device,
441 #endif
442
443 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
444 #ifdef CONFIG_SERIAL_BFIN_UART0
445         &bfin_uart0_device,
446 #endif
447 #endif
448
449 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
450 #ifdef CONFIG_BFIN_SIR0
451         &bfin_sir0_device,
452 #endif
453 #endif
454
455 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
456         &bfin_device_gpiokeys,
457 #endif
458
459 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
460         &i2c_gpio_device,
461 #endif
462
463 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
464         &isp1362_hcd_device,
465 #endif
466
467 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
468         &ezkit_flash_device,
469 #endif
470 };
471
472 static int __init ezkit_init(void)
473 {
474         int ret;
475
476         printk(KERN_INFO "%s(): registering device resources\n", __func__);
477
478         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
479         if (ret < 0)
480                 return ret;
481
482 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
483         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
484         SSYNC();
485 #endif
486
487         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
488         return 0;
489 }
490
491 arch_initcall(ezkit_init);
492
493 static struct platform_device *ezkit_early_devices[] __initdata = {
494 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
495 #ifdef CONFIG_SERIAL_BFIN_UART0
496         &bfin_uart0_device,
497 #endif
498 #endif
499 };
500
501 void __init native_machine_early_platform_add_devices(void)
502 {
503         printk(KERN_INFO "register early platform devices\n");
504         early_platform_add_devices(ezkit_early_devices,
505                 ARRAY_SIZE(ezkit_early_devices));
506 }