Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[pandora-kernel.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 <linux/delay.h>
18 #include <asm/dma.h>
19 #include <asm/bfin5xx_spi.h>
20 #include <asm/portmux.h>
21 #include <asm/dpmc.h>
22
23 /*
24  * Name the Board for the /proc/cpuinfo
25  */
26 const char bfin_board_name[] = "ADI BF561-EZKIT";
27
28 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
29 #include <linux/usb/isp1760.h>
30 static struct resource bfin_isp1760_resources[] = {
31         [0] = {
32                 .start  = 0x2C0F0000,
33                 .end    = 0x203C0000 + 0xfffff,
34                 .flags  = IORESOURCE_MEM,
35         },
36         [1] = {
37                 .start  = IRQ_PF10,
38                 .end    = IRQ_PF10,
39                 .flags  = IORESOURCE_IRQ,
40         },
41 };
42
43 static struct isp1760_platform_data isp1760_priv = {
44         .is_isp1761 = 0,
45         .bus_width_16 = 1,
46         .port1_otg = 0,
47         .analog_oc = 0,
48         .dack_polarity_high = 0,
49         .dreq_polarity_high = 0,
50 };
51
52 static struct platform_device bfin_isp1760_device = {
53         .name           = "isp1760",
54         .id             = 0,
55         .dev = {
56                 .platform_data = &isp1760_priv,
57         },
58         .num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
59         .resource       = bfin_isp1760_resources,
60 };
61 #endif
62
63 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
64 #include <linux/usb/isp1362.h>
65
66 static struct resource isp1362_hcd_resources[] = {
67         {
68                 .start = 0x2c060000,
69                 .end = 0x2c060000,
70                 .flags = IORESOURCE_MEM,
71         }, {
72                 .start = 0x2c060004,
73                 .end = 0x2c060004,
74                 .flags = IORESOURCE_MEM,
75         }, {
76                 .start = IRQ_PF8,
77                 .end = IRQ_PF8,
78                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
79         },
80 };
81
82 static struct isp1362_platform_data isp1362_priv = {
83         .sel15Kres = 1,
84         .clknotstop = 0,
85         .oc_enable = 0,
86         .int_act_high = 0,
87         .int_edge_triggered = 0,
88         .remote_wakeup_connected = 0,
89         .no_power_switching = 1,
90         .power_switching_mode = 0,
91 };
92
93 static struct platform_device isp1362_hcd_device = {
94         .name = "isp1362-hcd",
95         .id = 0,
96         .dev = {
97                 .platform_data = &isp1362_priv,
98         },
99         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
100         .resource = isp1362_hcd_resources,
101 };
102 #endif
103
104 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
105 static struct resource net2272_bfin_resources[] = {
106         {
107                 .start = 0x2C000000,
108                 .end = 0x2C000000 + 0x7F,
109                 .flags = IORESOURCE_MEM,
110         }, {
111                 .start = IRQ_PF10,
112                 .end = IRQ_PF10,
113                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
114         },
115 };
116
117 static struct platform_device net2272_bfin_device = {
118         .name = "net2272",
119         .id = -1,
120         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
121         .resource = net2272_bfin_resources,
122 };
123 #endif
124
125 /*
126  *  USB-LAN EzExtender board
127  *  Driver needs to know address, irq and flag pin.
128  */
129 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
130 #include <linux/smc91x.h>
131
132 static struct smc91x_platdata smc91x_info = {
133         .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
134         .leda = RPC_LED_100_10,
135         .ledb = RPC_LED_TX_RX,
136 };
137
138 static struct resource smc91x_resources[] = {
139         {
140                 .name = "smc91x-regs",
141                 .start = 0x2C010300,
142                 .end = 0x2C010300 + 16,
143                 .flags = IORESOURCE_MEM,
144         }, {
145
146                 .start = IRQ_PF9,
147                 .end = IRQ_PF9,
148                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
149         },
150 };
151
152 static struct platform_device smc91x_device = {
153         .name = "smc91x",
154         .id = 0,
155         .num_resources = ARRAY_SIZE(smc91x_resources),
156         .resource = smc91x_resources,
157         .dev    = {
158                 .platform_data  = &smc91x_info,
159         },
160 };
161 #endif
162
163 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
164 #ifdef CONFIG_SERIAL_BFIN_UART0
165 static struct resource bfin_uart0_resources[] = {
166         {
167                 .start = BFIN_UART_THR,
168                 .end = BFIN_UART_GCTL+2,
169                 .flags = IORESOURCE_MEM,
170         },
171         {
172                 .start = IRQ_UART_RX,
173                 .end = IRQ_UART_RX+1,
174                 .flags = IORESOURCE_IRQ,
175         },
176         {
177                 .start = IRQ_UART_ERROR,
178                 .end = IRQ_UART_ERROR,
179                 .flags = IORESOURCE_IRQ,
180         },
181         {
182                 .start = CH_UART_TX,
183                 .end = CH_UART_TX,
184                 .flags = IORESOURCE_DMA,
185         },
186         {
187                 .start = CH_UART_RX,
188                 .end = CH_UART_RX,
189                 .flags = IORESOURCE_DMA,
190         },
191 };
192
193 static unsigned short bfin_uart0_peripherals[] = {
194         P_UART0_TX, P_UART0_RX, 0
195 };
196
197 static struct platform_device bfin_uart0_device = {
198         .name = "bfin-uart",
199         .id = 0,
200         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
201         .resource = bfin_uart0_resources,
202         .dev = {
203                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
204         },
205 };
206 #endif
207 #endif
208
209 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
210 #ifdef CONFIG_BFIN_SIR0
211 static struct resource bfin_sir0_resources[] = {
212         {
213                 .start = 0xFFC00400,
214                 .end = 0xFFC004FF,
215                 .flags = IORESOURCE_MEM,
216         },
217         {
218                 .start = IRQ_UART0_RX,
219                 .end = IRQ_UART0_RX+1,
220                 .flags = IORESOURCE_IRQ,
221         },
222         {
223                 .start = CH_UART0_RX,
224                 .end = CH_UART0_RX+1,
225                 .flags = IORESOURCE_DMA,
226         },
227 };
228
229 static struct platform_device bfin_sir0_device = {
230         .name = "bfin_sir",
231         .id = 0,
232         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
233         .resource = bfin_sir0_resources,
234 };
235 #endif
236 #endif
237
238 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
239 static struct mtd_partition ezkit_partitions[] = {
240         {
241                 .name       = "bootloader(nor)",
242                 .size       = 0x40000,
243                 .offset     = 0,
244         }, {
245                 .name       = "linux kernel(nor)",
246                 .size       = 0x1C0000,
247                 .offset     = MTDPART_OFS_APPEND,
248         }, {
249                 .name       = "file system(nor)",
250                 .size       = MTDPART_SIZ_FULL,
251                 .offset     = MTDPART_OFS_APPEND,
252         }
253 };
254
255 static struct physmap_flash_data ezkit_flash_data = {
256         .width      = 2,
257         .parts      = ezkit_partitions,
258         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
259 };
260
261 static struct resource ezkit_flash_resource = {
262         .start = 0x20000000,
263         .end   = 0x207fffff,
264         .flags = IORESOURCE_MEM,
265 };
266
267 static struct platform_device ezkit_flash_device = {
268         .name          = "physmap-flash",
269         .id            = 0,
270         .dev = {
271                 .platform_data = &ezkit_flash_data,
272         },
273         .num_resources = 1,
274         .resource      = &ezkit_flash_resource,
275 };
276 #endif
277
278 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
279         || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
280 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
281         .enable_dma = 0,
282         .bits_per_word = 16,
283 };
284 #endif
285
286 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
287 static struct bfin5xx_spi_chip spidev_chip_info = {
288         .enable_dma = 0,
289         .bits_per_word = 8,
290 };
291 #endif
292
293 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
294 /* SPI (0) */
295 static struct resource bfin_spi0_resource[] = {
296         [0] = {
297                 .start = SPI0_REGBASE,
298                 .end   = SPI0_REGBASE + 0xFF,
299                 .flags = IORESOURCE_MEM,
300         },
301         [1] = {
302                 .start = CH_SPI,
303                 .end   = CH_SPI,
304                 .flags = IORESOURCE_DMA,
305         },
306         [2] = {
307                 .start = IRQ_SPI,
308                 .end   = IRQ_SPI,
309                 .flags = IORESOURCE_IRQ,
310         }
311 };
312
313 /* SPI controller data */
314 static struct bfin5xx_spi_master bfin_spi0_info = {
315         .num_chipselect = 8,
316         .enable_dma = 1,  /* master has the ability to do dma transfer */
317         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
318 };
319
320 static struct platform_device bfin_spi0_device = {
321         .name = "bfin-spi",
322         .id = 0, /* Bus number */
323         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
324         .resource = bfin_spi0_resource,
325         .dev = {
326                 .platform_data = &bfin_spi0_info, /* Passed to driver */
327         },
328 };
329 #endif
330
331 static struct spi_board_info bfin_spi_board_info[] __initdata = {
332 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
333         || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
334         {
335                 .modalias = "ad183x",
336                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
337                 .bus_num = 0,
338                 .chip_select = 4,
339                 .platform_data = "ad1836", /* only includes chip name for the moment */
340                 .controller_data = &ad1836_spi_chip_info,
341                 .mode = SPI_MODE_3,
342         },
343 #endif
344 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
345         {
346                 .modalias = "spidev",
347                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
348                 .bus_num = 0,
349                 .chip_select = 1,
350                 .controller_data = &spidev_chip_info,
351         },
352 #endif
353 };
354
355 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
356 #include <linux/input.h>
357 #include <linux/gpio_keys.h>
358
359 static struct gpio_keys_button bfin_gpio_keys_table[] = {
360         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
361         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
362         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
363         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
364 };
365
366 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
367         .buttons        = bfin_gpio_keys_table,
368         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
369 };
370
371 static struct platform_device bfin_device_gpiokeys = {
372         .name      = "gpio-keys",
373         .dev = {
374                 .platform_data = &bfin_gpio_keys_data,
375         },
376 };
377 #endif
378
379 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
380 #include <linux/i2c-gpio.h>
381
382 static struct i2c_gpio_platform_data i2c_gpio_data = {
383         .sda_pin                = GPIO_PF1,
384         .scl_pin                = GPIO_PF0,
385         .sda_is_open_drain      = 0,
386         .scl_is_open_drain      = 0,
387         .udelay                 = 40,
388 };
389
390 static struct platform_device i2c_gpio_device = {
391         .name           = "i2c-gpio",
392         .id             = 0,
393         .dev            = {
394                 .platform_data  = &i2c_gpio_data,
395         },
396 };
397 #endif
398
399 static const unsigned int cclk_vlev_datasheet[] =
400 {
401         VRPAIR(VLEV_085, 250000000),
402         VRPAIR(VLEV_090, 300000000),
403         VRPAIR(VLEV_095, 313000000),
404         VRPAIR(VLEV_100, 350000000),
405         VRPAIR(VLEV_105, 400000000),
406         VRPAIR(VLEV_110, 444000000),
407         VRPAIR(VLEV_115, 450000000),
408         VRPAIR(VLEV_120, 475000000),
409         VRPAIR(VLEV_125, 500000000),
410         VRPAIR(VLEV_130, 600000000),
411 };
412
413 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
414         .tuple_tab = cclk_vlev_datasheet,
415         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
416         .vr_settling_time = 25 /* us */,
417 };
418
419 static struct platform_device bfin_dpmc = {
420         .name = "bfin dpmc",
421         .dev = {
422                 .platform_data = &bfin_dmpc_vreg_data,
423         },
424 };
425
426 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
427 static struct platform_device bfin_i2s = {
428         .name = "bfin-i2s",
429         .id = CONFIG_SND_BF5XX_SPORT_NUM,
430         /* TODO: add platform data here */
431 };
432 #endif
433
434 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
435 static struct platform_device bfin_tdm = {
436         .name = "bfin-tdm",
437         .id = CONFIG_SND_BF5XX_SPORT_NUM,
438         /* TODO: add platform data here */
439 };
440 #endif
441
442 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
443 static struct platform_device bfin_ac97 = {
444         .name = "bfin-ac97",
445         .id = CONFIG_SND_BF5XX_SPORT_NUM,
446         /* TODO: add platform data here */
447 };
448 #endif
449
450 static struct platform_device *ezkit_devices[] __initdata = {
451
452         &bfin_dpmc,
453
454 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
455         &smc91x_device,
456 #endif
457
458 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
459         &net2272_bfin_device,
460 #endif
461
462 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
463         &bfin_isp1760_device,
464 #endif
465
466 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
467         &bfin_spi0_device,
468 #endif
469
470 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
471 #ifdef CONFIG_SERIAL_BFIN_UART0
472         &bfin_uart0_device,
473 #endif
474 #endif
475
476 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
477 #ifdef CONFIG_BFIN_SIR0
478         &bfin_sir0_device,
479 #endif
480 #endif
481
482 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
483         &bfin_device_gpiokeys,
484 #endif
485
486 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
487         &i2c_gpio_device,
488 #endif
489
490 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
491         &isp1362_hcd_device,
492 #endif
493
494 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
495         &ezkit_flash_device,
496 #endif
497
498 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
499         &bfin_i2s,
500 #endif
501
502 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
503         &bfin_tdm,
504 #endif
505
506 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
507         &bfin_ac97,
508 #endif
509 };
510
511 static int __init ezkit_init(void)
512 {
513         int ret;
514
515         printk(KERN_INFO "%s(): registering device resources\n", __func__);
516
517         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
518         if (ret < 0)
519                 return ret;
520
521 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
522         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
523         SSYNC();
524 #endif
525
526 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
527         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15));
528         bfin_write_FIO0_FLAG_S(1 << 15);
529         SSYNC();
530         /*
531          * This initialization lasts for approximately 4500 MCLKs.
532          * MCLK = 12.288MHz
533          */
534         udelay(400);
535 #endif
536
537         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
538         return 0;
539 }
540
541 arch_initcall(ezkit_init);
542
543 static struct platform_device *ezkit_early_devices[] __initdata = {
544 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
545 #ifdef CONFIG_SERIAL_BFIN_UART0
546         &bfin_uart0_device,
547 #endif
548 #endif
549 };
550
551 void __init native_machine_early_platform_add_devices(void)
552 {
553         printk(KERN_INFO "register early platform devices\n");
554         early_platform_add_devices(ezkit_early_devices,
555                 ARRAY_SIZE(ezkit_early_devices));
556 }