Merge tag 'for-linus-4.9-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubca...
[sfrench/cifs-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 <linux/gpio.h>
18 #include <linux/delay.h>
19 #include <asm/dma.h>
20 #include <asm/bfin5xx_spi.h>
21 #include <asm/portmux.h>
22 #include <asm/dpmc.h>
23
24 /*
25  * Name the Board for the /proc/cpuinfo
26  */
27 const char bfin_board_name[] = "ADI BF561-EZKIT";
28
29 #if IS_ENABLED(CONFIG_USB_ISP1760_HCD)
30 #include <linux/usb/isp1760.h>
31 static struct resource bfin_isp1760_resources[] = {
32         [0] = {
33                 .start  = 0x2C0F0000,
34                 .end    = 0x203C0000 + 0xfffff,
35                 .flags  = IORESOURCE_MEM,
36         },
37         [1] = {
38                 .start  = IRQ_PF10,
39                 .end    = IRQ_PF10,
40                 .flags  = IORESOURCE_IRQ,
41         },
42 };
43
44 static struct isp1760_platform_data isp1760_priv = {
45         .is_isp1761 = 0,
46         .bus_width_16 = 1,
47         .port1_otg = 0,
48         .analog_oc = 0,
49         .dack_polarity_high = 0,
50         .dreq_polarity_high = 0,
51 };
52
53 static struct platform_device bfin_isp1760_device = {
54         .name           = "isp1760",
55         .id             = 0,
56         .dev = {
57                 .platform_data = &isp1760_priv,
58         },
59         .num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
60         .resource       = bfin_isp1760_resources,
61 };
62 #endif
63
64 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
65 #include <linux/usb/isp1362.h>
66
67 static struct resource isp1362_hcd_resources[] = {
68         {
69                 .start = 0x2c060000,
70                 .end = 0x2c060000,
71                 .flags = IORESOURCE_MEM,
72         }, {
73                 .start = 0x2c060004,
74                 .end = 0x2c060004,
75                 .flags = IORESOURCE_MEM,
76         }, {
77                 .start = IRQ_PF8,
78                 .end = IRQ_PF8,
79                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
80         },
81 };
82
83 static struct isp1362_platform_data isp1362_priv = {
84         .sel15Kres = 1,
85         .clknotstop = 0,
86         .oc_enable = 0,
87         .int_act_high = 0,
88         .int_edge_triggered = 0,
89         .remote_wakeup_connected = 0,
90         .no_power_switching = 1,
91         .power_switching_mode = 0,
92 };
93
94 static struct platform_device isp1362_hcd_device = {
95         .name = "isp1362-hcd",
96         .id = 0,
97         .dev = {
98                 .platform_data = &isp1362_priv,
99         },
100         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
101         .resource = isp1362_hcd_resources,
102 };
103 #endif
104
105 #if IS_ENABLED(CONFIG_USB_NET2272)
106 static struct resource net2272_bfin_resources[] = {
107         {
108                 .start = 0x2C000000,
109                 .end = 0x2C000000 + 0x7F,
110                 .flags = IORESOURCE_MEM,
111         }, {
112                 .start = 1,
113                 .flags = IORESOURCE_BUS,
114         }, {
115                 .start = IRQ_PF10,
116                 .end = IRQ_PF10,
117                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
118         },
119 };
120
121 static struct platform_device net2272_bfin_device = {
122         .name = "net2272",
123         .id = -1,
124         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
125         .resource = net2272_bfin_resources,
126 };
127 #endif
128
129 /*
130  *  USB-LAN EzExtender board
131  *  Driver needs to know address, irq and flag pin.
132  */
133 #if IS_ENABLED(CONFIG_SMC91X)
134 #include <linux/smc91x.h>
135
136 static struct smc91x_platdata smc91x_info = {
137         .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
138                  SMC91X_NOWAIT,
139         .leda = RPC_LED_100_10,
140         .ledb = RPC_LED_TX_RX,
141 };
142
143 static struct resource smc91x_resources[] = {
144         {
145                 .name = "smc91x-regs",
146                 .start = 0x2C010300,
147                 .end = 0x2C010300 + 16,
148                 .flags = IORESOURCE_MEM,
149         }, {
150
151                 .start = IRQ_PF9,
152                 .end = IRQ_PF9,
153                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
154         },
155 };
156
157 static struct platform_device smc91x_device = {
158         .name = "smc91x",
159         .id = 0,
160         .num_resources = ARRAY_SIZE(smc91x_resources),
161         .resource = smc91x_resources,
162         .dev    = {
163                 .platform_data  = &smc91x_info,
164         },
165 };
166 #endif
167
168 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
169 #ifdef CONFIG_SERIAL_BFIN_UART0
170 static struct resource bfin_uart0_resources[] = {
171         {
172                 .start = BFIN_UART_THR,
173                 .end = BFIN_UART_GCTL+2,
174                 .flags = IORESOURCE_MEM,
175         },
176         {
177                 .start = IRQ_UART_TX,
178                 .end = IRQ_UART_TX,
179                 .flags = IORESOURCE_IRQ,
180         },
181         {
182                 .start = IRQ_UART_RX,
183                 .end = IRQ_UART_RX,
184                 .flags = IORESOURCE_IRQ,
185         },
186         {
187                 .start = IRQ_UART_ERROR,
188                 .end = IRQ_UART_ERROR,
189                 .flags = IORESOURCE_IRQ,
190         },
191         {
192                 .start = CH_UART_TX,
193                 .end = CH_UART_TX,
194                 .flags = IORESOURCE_DMA,
195         },
196         {
197                 .start = CH_UART_RX,
198                 .end = CH_UART_RX,
199                 .flags = IORESOURCE_DMA,
200         },
201 };
202
203 static unsigned short bfin_uart0_peripherals[] = {
204         P_UART0_TX, P_UART0_RX, 0
205 };
206
207 static struct platform_device bfin_uart0_device = {
208         .name = "bfin-uart",
209         .id = 0,
210         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
211         .resource = bfin_uart0_resources,
212         .dev = {
213                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
214         },
215 };
216 #endif
217 #endif
218
219 #if IS_ENABLED(CONFIG_BFIN_SIR)
220 #ifdef CONFIG_BFIN_SIR0
221 static struct resource bfin_sir0_resources[] = {
222         {
223                 .start = 0xFFC00400,
224                 .end = 0xFFC004FF,
225                 .flags = IORESOURCE_MEM,
226         },
227         {
228                 .start = IRQ_UART0_RX,
229                 .end = IRQ_UART0_RX+1,
230                 .flags = IORESOURCE_IRQ,
231         },
232         {
233                 .start = CH_UART0_RX,
234                 .end = CH_UART0_RX+1,
235                 .flags = IORESOURCE_DMA,
236         },
237 };
238
239 static struct platform_device bfin_sir0_device = {
240         .name = "bfin_sir",
241         .id = 0,
242         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
243         .resource = bfin_sir0_resources,
244 };
245 #endif
246 #endif
247
248 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
249 static struct mtd_partition ezkit_partitions[] = {
250         {
251                 .name       = "bootloader(nor)",
252                 .size       = 0x40000,
253                 .offset     = 0,
254         }, {
255                 .name       = "linux kernel(nor)",
256                 .size       = 0x1C0000,
257                 .offset     = MTDPART_OFS_APPEND,
258         }, {
259                 .name       = "file system(nor)",
260                 .size       = 0x800000 - 0x40000 - 0x1C0000 - 0x2000 * 8,
261                 .offset     = MTDPART_OFS_APPEND,
262         }, {
263                 .name       = "config(nor)",
264                 .size       = 0x2000 * 7,
265                 .offset     = MTDPART_OFS_APPEND,
266         }, {
267                 .name       = "u-boot env(nor)",
268                 .size       = 0x2000,
269                 .offset     = MTDPART_OFS_APPEND,
270         }
271 };
272
273 static struct physmap_flash_data ezkit_flash_data = {
274         .width      = 2,
275         .parts      = ezkit_partitions,
276         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
277 };
278
279 static struct resource ezkit_flash_resource = {
280         .start = 0x20000000,
281         .end   = 0x207fffff,
282         .flags = IORESOURCE_MEM,
283 };
284
285 static struct platform_device ezkit_flash_device = {
286         .name          = "physmap-flash",
287         .id            = 0,
288         .dev = {
289                 .platform_data = &ezkit_flash_data,
290         },
291         .num_resources = 1,
292         .resource      = &ezkit_flash_resource,
293 };
294 #endif
295
296 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
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_DMA,
308         },
309         [2] = {
310                 .start = IRQ_SPI,
311                 .end   = IRQ_SPI,
312                 .flags = IORESOURCE_IRQ,
313         }
314 };
315
316 /* SPI controller data */
317 static struct bfin5xx_spi_master bfin_spi0_info = {
318         .num_chipselect = 8,
319         .enable_dma = 1,  /* master has the ability to do dma transfer */
320         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
321 };
322
323 static struct platform_device bfin_spi0_device = {
324         .name = "bfin-spi",
325         .id = 0, /* Bus number */
326         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
327         .resource = bfin_spi0_resource,
328         .dev = {
329                 .platform_data = &bfin_spi0_info, /* Passed to driver */
330         },
331 };
332 #endif
333
334 static struct spi_board_info bfin_spi_board_info[] __initdata = {
335 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
336         {
337                 .modalias = "ad183x",
338                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
339                 .bus_num = 0,
340                 .chip_select = 4,
341                 .platform_data = "ad1836", /* only includes chip name for the moment */
342                 .mode = SPI_MODE_3,
343         },
344 #endif
345 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
346         {
347                 .modalias = "spidev",
348                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
349                 .bus_num = 0,
350                 .chip_select = 1,
351         },
352 #endif
353 };
354
355 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
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 IS_ENABLED(CONFIG_I2C_GPIO)
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                 = 10,
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 IS_ENABLED(CONFIG_VIDEO_BLACKFIN_CAPTURE)
427 #include <linux/videodev2.h>
428 #include <media/blackfin/bfin_capture.h>
429 #include <media/blackfin/ppi.h>
430
431 static const unsigned short ppi_req[] = {
432         P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3,
433         P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7,
434         P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
435         0,
436 };
437
438 static const struct ppi_info ppi_info = {
439         .type = PPI_TYPE_PPI,
440         .dma_ch = CH_PPI0,
441         .irq_err = IRQ_PPI1_ERROR,
442         .base = (void __iomem *)PPI0_CONTROL,
443         .pin_req = ppi_req,
444 };
445
446 #if IS_ENABLED(CONFIG_VIDEO_ADV7183)
447 #include <media/i2c/adv7183.h>
448 static struct v4l2_input adv7183_inputs[] = {
449         {
450                 .index = 0,
451                 .name = "Composite",
452                 .type = V4L2_INPUT_TYPE_CAMERA,
453                 .std = V4L2_STD_ALL,
454                 .capabilities = V4L2_IN_CAP_STD,
455         },
456         {
457                 .index = 1,
458                 .name = "S-Video",
459                 .type = V4L2_INPUT_TYPE_CAMERA,
460                 .std = V4L2_STD_ALL,
461                 .capabilities = V4L2_IN_CAP_STD,
462         },
463         {
464                 .index = 2,
465                 .name = "Component",
466                 .type = V4L2_INPUT_TYPE_CAMERA,
467                 .std = V4L2_STD_ALL,
468                 .capabilities = V4L2_IN_CAP_STD,
469         },
470 };
471
472 static struct bcap_route adv7183_routes[] = {
473         {
474                 .input = ADV7183_COMPOSITE4,
475                 .output = ADV7183_8BIT_OUT,
476         },
477         {
478                 .input = ADV7183_SVIDEO0,
479                 .output = ADV7183_8BIT_OUT,
480         },
481         {
482                 .input = ADV7183_COMPONENT0,
483                 .output = ADV7183_8BIT_OUT,
484         },
485 };
486
487
488 static const unsigned adv7183_gpio[] = {
489         GPIO_PF13, /* reset pin */
490         GPIO_PF2,  /* output enable pin */
491 };
492
493 static struct bfin_capture_config bfin_capture_data = {
494         .card_name = "BF561",
495         .inputs = adv7183_inputs,
496         .num_inputs = ARRAY_SIZE(adv7183_inputs),
497         .routes = adv7183_routes,
498         .i2c_adapter_id = 0,
499         .board_info = {
500                 .type = "adv7183",
501                 .addr = 0x20,
502                 .platform_data = (void *)adv7183_gpio,
503         },
504         .ppi_info = &ppi_info,
505         .ppi_control = (PACK_EN | DLEN_8 | DMA32 | FLD_SEL),
506 };
507 #endif
508
509 static struct platform_device bfin_capture_device = {
510         .name = "bfin_capture",
511         .dev = {
512                 .platform_data = &bfin_capture_data,
513         },
514 };
515 #endif
516
517 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
518 static struct platform_device bfin_i2s = {
519         .name = "bfin-i2s",
520         .id = CONFIG_SND_BF5XX_SPORT_NUM,
521         /* TODO: add platform data here */
522 };
523 #endif
524
525 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
526 static struct platform_device bfin_ac97 = {
527         .name = "bfin-ac97",
528         .id = CONFIG_SND_BF5XX_SPORT_NUM,
529         /* TODO: add platform data here */
530 };
531 #endif
532
533 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
534 static const char * const ad1836_link[] = {
535         "bfin-i2s.0",
536         "spi0.4",
537 };
538 static struct platform_device bfin_ad1836_machine = {
539         .name = "bfin-snd-ad1836",
540         .id = -1,
541         .dev = {
542                 .platform_data = (void *)ad1836_link,
543         },
544 };
545 #endif
546
547 static struct platform_device *ezkit_devices[] __initdata = {
548
549         &bfin_dpmc,
550
551 #if IS_ENABLED(CONFIG_SMC91X)
552         &smc91x_device,
553 #endif
554
555 #if IS_ENABLED(CONFIG_USB_NET2272)
556         &net2272_bfin_device,
557 #endif
558
559 #if IS_ENABLED(CONFIG_USB_ISP1760_HCD)
560         &bfin_isp1760_device,
561 #endif
562
563 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
564         &bfin_spi0_device,
565 #endif
566
567 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
568 #ifdef CONFIG_SERIAL_BFIN_UART0
569         &bfin_uart0_device,
570 #endif
571 #endif
572
573 #if IS_ENABLED(CONFIG_BFIN_SIR)
574 #ifdef CONFIG_BFIN_SIR0
575         &bfin_sir0_device,
576 #endif
577 #endif
578
579 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
580         &bfin_device_gpiokeys,
581 #endif
582
583 #if IS_ENABLED(CONFIG_I2C_GPIO)
584         &i2c_gpio_device,
585 #endif
586
587 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
588         &isp1362_hcd_device,
589 #endif
590
591 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
592         &ezkit_flash_device,
593 #endif
594
595 #if IS_ENABLED(CONFIG_VIDEO_BLACKFIN_CAPTURE)
596         &bfin_capture_device,
597 #endif
598
599 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
600         &bfin_i2s,
601 #endif
602
603 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
604         &bfin_ac97,
605 #endif
606
607 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
608         &bfin_ad1836_machine,
609 #endif
610 };
611
612 static int __init net2272_init(void)
613 {
614 #if IS_ENABLED(CONFIG_USB_NET2272)
615         int ret;
616
617         ret = gpio_request(GPIO_PF11, "net2272");
618         if (ret)
619                 return ret;
620
621         /* Reset the USB chip */
622         gpio_direction_output(GPIO_PF11, 0);
623         mdelay(2);
624         gpio_set_value(GPIO_PF11, 1);
625 #endif
626
627         return 0;
628 }
629
630 static int __init ezkit_init(void)
631 {
632         int ret;
633
634         printk(KERN_INFO "%s(): registering device resources\n", __func__);
635
636         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
637         if (ret < 0)
638                 return ret;
639
640 #if IS_ENABLED(CONFIG_SMC91X)
641         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
642         SSYNC();
643 #endif
644
645 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
646         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15));
647         bfin_write_FIO0_FLAG_S(1 << 15);
648         SSYNC();
649         /*
650          * This initialization lasts for approximately 4500 MCLKs.
651          * MCLK = 12.288MHz
652          */
653         udelay(400);
654 #endif
655
656         if (net2272_init())
657                 pr_warning("unable to configure net2272; it probably won't work\n");
658
659         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
660         return 0;
661 }
662
663 arch_initcall(ezkit_init);
664
665 static struct platform_device *ezkit_early_devices[] __initdata = {
666 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
667 #ifdef CONFIG_SERIAL_BFIN_UART0
668         &bfin_uart0_device,
669 #endif
670 #endif
671 };
672
673 void __init native_machine_early_platform_add_devices(void)
674 {
675         printk(KERN_INFO "register early platform devices\n");
676         early_platform_add_devices(ezkit_early_devices,
677                 ARRAY_SIZE(ezkit_early_devices));
678 }